Changed to hosted blazorwasm project.

Restructured project following changes.

Moved shop assembly fetching to public facing Web API.

src/AliExpressShop/AliExpressShop.csproj

@@ -1,12 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <ItemGroup>
-    <ProjectReference Include="..\MultiShop.ShopFramework\MultiShop.ShopFramework.csproj" />
-    <ProjectReference Include="..\..\SimpleLogger\SimpleLogger.csproj" />
-  </ItemGroup>
-
-  <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
-  </PropertyGroup>
-
-</Project>

src/MultiShop.Shop/AliExpressModule/MultiShop.Shop.AliExpressModule.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\Framework\MultiShop.Shop.Framework.csproj" />
+    <ProjectReference Include="..\..\..\SimpleLogger\SimpleLogger.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

src/MultiShop.Shop/AliExpressModule/Shop.cs

@@ -10,10 +10,10 @@ using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using GameServiceWarden.Core.Collection;
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 using SimpleLogger;
 
-namespace AliExpressShop
+namespace MultiShop.Shop.AliExpressModule
 {
     public class Shop : IShop
     {

src/MultiShop.Shop/AliExpressModule/ShopEnumerator.cs

@@ -7,10 +7,10 @@ using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using GameServiceWarden.Core.Collection;
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 using SimpleLogger;
 
-namespace AliExpressShop
+namespace MultiShop.Shop.AliExpressModule
 {
     class ShopEnumerator : IAsyncEnumerator<ProductListing>
     {

src/MultiShop.Shop/BanggoodModule/MultiShop.Shop.BanggoodModule.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <ItemGroup>
-    <ProjectReference Include="..\MultiShop.ShopFramework\MultiShop.ShopFramework.csproj" />
+    <ProjectReference Include="..\Framework\MultiShop.Shop.Framework.csproj" />
-    <ProjectReference Include="..\..\SimpleLogger\SimpleLogger.csproj" />
+    <ProjectReference Include="..\..\..\SimpleLogger\SimpleLogger.csproj" />
   </ItemGroup>
 
   <ItemGroup>

src/MultiShop.Shop/BanggoodModule/Shop.cs

@@ -3,9 +3,9 @@ using System.Collections.Generic;
 using System.Net.Http;
 using System.Runtime.CompilerServices;
 using System.Threading;
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 
-namespace BanggoodShop
+namespace MultiShop.Shop.BanggoodModule
 {
     public class Shop : IShop
     {

src/MultiShop.Shop/BanggoodModule/ShopEnumerator.cs

@@ -9,10 +9,10 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Xml;
 using HtmlAgilityPack;
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 using SimpleLogger;
 
-namespace BanggoodShop
+namespace MultiShop.Shop.BanggoodModule
 {
     class ShopEnumerator : IAsyncEnumerator<ProductListing>
     {

src/MultiShop.Shop/Framework/Currency.cs

@@ -1,4 +1,4 @@
-namespace MultiShop.ShopFramework
+namespace MultiShop.Shop.Framework
 {
     public enum Currency
     {

src/MultiShop.Shop/Framework/IShop.cs

@@ -4,7 +4,7 @@ using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace MultiShop.ShopFramework
+namespace MultiShop.Shop.Framework
 {
     public interface IShop : IAsyncEnumerable<ProductListing>, IDisposable
     {

src/MultiShop.Shop/Framework/ProductListing.cs

@@ -1,4 +1,4 @@
-namespace MultiShop.ShopFramework
+namespace MultiShop.Shop.Framework
 {
     public struct ProductListing
     {

src/MultiShop/App.razor

@@ -1,10 +0,0 @@
-<Router AppAssembly="@typeof(Program).Assembly" PreferExactMatches="@true">
-    <Found Context="routeData">
-        <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
-    </Found>
-    <NotFound>
-        <LayoutView Layout="@typeof(MainLayout)">
-            <p>Sorry, there's nothing at this address.</p>
-        </LayoutView>
-    </NotFound>
-</Router>

src/MultiShop/Client/App.razor

@@ -0,0 +1,39 @@
+@using System.Reflection
+@using Microsoft.Extensions.Configuration
+@inject IHttpClientFactory HttpFactory
+@inject IConfiguration Configuration
+@implements IDisposable
+
+
+<CascadingAuthenticationState>
+    <Router AppAssembly="@typeof(Program).Assembly" PreferExactMatches="@true">
+        <Found Context="routeData">
+            @if (modulesLoaded)
+            {
+                <CascadingValue Value="shops" Name="Shops">
+                    <AuthorizeRouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" Context="authState">
+                        <NotAuthorized>
+                            @if (!authState.User.Identity.IsAuthenticated)
+                            {
+                                <RedirectToLogin />
+                            }
+                            else
+                            {
+                                <p>You are not authorized to access this resource.</p>
+                            }
+                        </NotAuthorized>
+                    </AuthorizeRouteView>
+                </CascadingValue>
+            }
+            else
+            {
+                <p>Loading modules...</p>
+            }
+        </Found>
+        <NotFound>
+            <LayoutView Layout="@typeof(MainLayout)">
+                <p>Sorry, there's nothing at this address.</p>
+            </LayoutView>
+        </NotFound>
+    </Router>
+</CascadingAuthenticationState>

src/MultiShop/Client/App.razor.cs

@@ -0,0 +1,116 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Net.Http.Json;
+using System.Reflection;
+using System.Runtime.Loader;
+using System.Threading.Tasks;
+using MultiShop.Shop.Framework;
+using SimpleLogger;
+
+namespace MultiShop.Client
+{
+    public partial class App
+    {
+        private bool modulesLoaded = false;
+
+        private Dictionary<string, IShop> shops = new Dictionary<string, IShop>();
+        private Dictionary<string, byte[]> assemblyData = new Dictionary<string, byte[]>();
+        private Dictionary<string, Assembly> assemblyCache = new Dictionary<string, Assembly>();
+        protected override async Task OnInitializedAsync()
+        {
+            await DownloadShopModules();
+            await base.OnInitializedAsync();
+        }
+        private async Task DownloadShopModules()
+        {
+            HttpClient http = HttpFactory.CreateClient("Public-MultiShop.ServerAPI");
+            Logger.Log($"Fetching shop modules.", LogLevel.Debug);
+            string[] assemblyFileNames = await http.GetFromJsonAsync<string[]>("ShopModules");
+            Dictionary<Task<byte[]>, string> downloadTasks = new Dictionary<Task<byte[]>, string>(assemblyFileNames.Length);
+
+            foreach (string assemblyFileName in assemblyFileNames)
+            {
+                Logger.Log($"Downloading \"{assemblyFileName}\"...", LogLevel.Debug);
+                downloadTasks.Add(http.GetByteArrayAsync(Path.Join("ShopModules", assemblyFileName + ".dll")), assemblyFileName);
+            }
+
+            while (downloadTasks.Count != 0)
+            {
+                Task<byte[]> data = await Task.WhenAny(downloadTasks.Keys);
+                string assemblyFileName = downloadTasks[data];
+                Logger.Log($"\"{assemblyFileName}\" completed downloading.", LogLevel.Debug);
+                assemblyData.Add(assemblyFileName, data.Result);
+                downloadTasks.Remove(data);
+            }
+
+            AppDomain.CurrentDomain.AssemblyResolve += OnAssemblyDependencyRequest;
+
+            foreach (string assemblyFileName in assemblyData.Keys)
+            {
+                Assembly assembly = AppDomain.CurrentDomain.Load(assemblyData[assemblyFileName]);
+                bool used = false;
+                foreach (Type type in assembly.GetTypes())
+                {
+                    if (typeof(IShop).IsAssignableFrom(type))
+                    {
+                        IShop shop = Activator.CreateInstance(type) as IShop;
+                        if (shop != null)
+                        {
+                            shop.Initialize();
+                            shops.Add(shop.ShopName, shop);
+                            Logger.Log($"Registered and started lifetime of module for \"{shop.ShopName}\".", LogLevel.Debug);
+                            used = true;
+                        }
+                    }
+                }
+                if (!used) {
+                    Logger.Log($"Since unused, caching \"{assemblyFileName}\".", LogLevel.Debug);
+                    assemblyCache.Add(assemblyFileName, assembly);
+                }
+                assemblyData.Remove(assemblyFileName);
+            }
+            foreach (string assembly in assemblyData.Keys)
+            {
+                Logger.Log($"{assembly} was unused.", LogLevel.Warning);
+            }
+            foreach (string assembly in assemblyCache.Keys)
+            {
+                Logger.Log($"\"{assembly}\" was unused.", LogLevel.Warning);
+            }
+            assemblyData.Clear();
+            assemblyCache.Clear();
+            modulesLoaded = true;
+        }
+
+
+        private Assembly OnAssemblyDependencyRequest(object sender, ResolveEventArgs args)
+        {
+            string dependencyName = args.Name.Substring(0, args.Name.IndexOf(','));
+            Logger.Log($"Assembly \"{args.RequestingAssembly.GetName().Name}\" is requesting dependency assembly \"{dependencyName}\".", LogLevel.Debug);
+            if (assemblyCache.ContainsKey(dependencyName)) {
+                Logger.Log($"Found \"{dependencyName}\" in cache.", LogLevel.Debug);
+                Assembly dep = assemblyCache[dependencyName];
+                assemblyCache.Remove(dependencyName);
+                return dep;
+            } else if (assemblyData.ContainsKey(dependencyName)) {
+                return AppDomain.CurrentDomain.Load(assemblyData[dependencyName]);
+            } else {
+                Logger.Log($"No dependency under name \"{args.Name}\"", LogLevel.Warning);
+                return null;
+            }
+        }
+
+
+        public void Dispose()
+        {
+            foreach (string name in shops.Keys)
+            {
+                shops[name].Dispose();
+                Logger.Log($"Ending lifetime of shop module for \"{name}\".");
+            }
+        }
+    }
+}

src/MultiShop/Client/MultiShop.Client.csproj

@@ -7,12 +7,15 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="5.0.5" />
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="5.0.5" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Authentication" Version="5.0.5" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="5.0.0" />
     <PackageReference Include="System.Net.Http.Json" Version="5.0.0" />
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\MultiShop.ShopFramework\MultiShop.ShopFramework.csproj" />
+    <ProjectReference Include="..\Shared\MultiShop.Shared.csproj" />
-    <ProjectReference Include="..\..\SimpleLogger\SimpleLogger.csproj" />
+    <ProjectReference Include="..\..\MultiShop.Shop\Framework\MultiShop.Shop.Framework.csproj" />
+    <ProjectReference Include="..\..\..\SimpleLogger\SimpleLogger.csproj" />
   </ItemGroup>
 
 </Project>

src/MultiShop/Client/Pages/Authentication.razor

@@ -0,0 +1,7 @@
+@page "/authentication/{action}"
+@using Microsoft.AspNetCore.Components.WebAssembly.Authentication
+<RemoteAuthenticatorView Action="@Action" />
+
+@code{
+    [Parameter] public string Action { get; set; }
+}

src/MultiShop/Client/Pages/Counter.razor

@@ -0,0 +1,16 @@
+@page "/counter"
+
+<h1>Counter</h1>
+
+<p>Current count: @currentCount</p>
+
+<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
+
+@code {
+    private int currentCount = 0;
+
+    private void IncrementCount()
+    {
+        currentCount++;
+    }
+}

src/MultiShop/Client/Pages/FetchData.razor

@@ -0,0 +1,56 @@
+@page "/fetchdata"
+@using Microsoft.AspNetCore.Authorization
+@using Microsoft.AspNetCore.Components.WebAssembly.Authentication
+@using MultiShop.Shared
+@attribute [Authorize]
+@inject HttpClient Http
+
+<h1>Weather forecast</h1>
+
+<p>This component demonstrates fetching data from the server.</p>
+
+@if (forecasts == null)
+{
+    <p><em>Loading...</em></p>
+}
+else
+{
+    <table class="table">
+        <thead>
+            <tr>
+                <th>Date</th>
+                <th>Temp. (C)</th>
+                <th>Temp. (F)</th>
+                <th>Summary</th>
+            </tr>
+        </thead>
+        <tbody>
+            @foreach (var forecast in forecasts)
+            {
+                <tr>
+                    <td>@forecast.Date.ToShortDateString()</td>
+                    <td>@forecast.TemperatureC</td>
+                    <td>@forecast.TemperatureF</td>
+                    <td>@forecast.Summary</td>
+                </tr>
+            }
+        </tbody>
+    </table>
+}
+
+@code {
+    private WeatherForecast[] forecasts;
+
+    protected override async Task OnInitializedAsync()
+    {
+        try
+        {
+            forecasts = await Http.GetFromJsonAsync<WeatherForecast[]>("WeatherForecast");
+        }
+        catch (AccessTokenNotAvailableException exception)
+        {
+            exception.Redirect();
+        }
+    }
+
+}

src/MultiShop/Client/Pages/Info.razor

@@ -1,5 +1,5 @@
 @page "/info"
-@using ShopFramework
+@using Shop.Framework
 
 <div>
     

src/MultiShop/Client/Pages/Search.razor

@@ -1,13 +1,10 @@
 @page "/search/{Query?}"
 @using Microsoft.Extensions.Configuration
-@using ShopFramework
+@using MultiShop.Shared
-@using SimpleLogger
-@using DataStructures
 @inject HttpClient Http
 @inject IConfiguration Configuration
 @inject IJSRuntime js
 
-@* TODO: Split C# code into a partial class. *@
 <div class="my-2">
     <div class="input-group my-2">
         <input type="text" class="form-control" placeholder="What are you looking for?" aria-label="What are you looking for?" id="search-input" @bind="Query" @onkeyup="@(async (a) => {if (a.Code == "Enter" || a.Code == "NumpadEnter") await PerformSearch(Query);})" disabled="@searching">
@@ -242,171 +239,76 @@
         </div>
     </div>
     <div>
-        <ListingTableView Products="@listings" />
+        @if (!organizing && listings.Count > 0)
+        {
+            <div class="table-responsive">
+                <table class="table table-top-borderless">
+                    <thead>
+                        <tr>
+                            <th scope="col">Name</th>
+                            <th scope="col">Price</th>
+                            <th scope="col">Shipping</th>
+                            <th scope="col">Purchases</th>
+                            <th scope="col">Rating</th>
+                            <th scope="col">Reviews</th>
+                            <th scope="col"></th>
+                        </tr>
+                    </thead>
+                    @if (!showSearchConfiguration && !searching) {
+                        <tbody>
+                            <Virtualize Items="@listings" Context="product">
+                                <tr>
+                                    <th scope="row" @key="product.Listing">
+                                        <div class="text-truncate">@product.Listing.Name</div>
+                                        <small>From @product.ShopName</small>
+                                        @if (product.Listing.ConvertedPrices)
+                                        {
+                                            <span class="ml-3 mr-1 badge badge-warning">Converted price</span>
+                                        }
+                                        @foreach (ResultsProfile.Category c in product.Tops)
+                                        {
+                                            <span class="mx-1 badge badge-primary">@CategoryTags(c)</span>
+                                        }
+                                    </th>
+                                    <td>
+                                        @if (product.Listing.UpperPrice != product.Listing.LowerPrice)
+                                        {
+                                            <div class="text-truncate">
+                                                @product.Listing.LowerPrice to @product.Listing.UpperPrice
+                                            </div>
+                                        }
+                                        else
+                                        {
+                                            <div class="text-truncate">
+                                                @GetOrNA(product.Listing.LowerPrice)
+                                            </div>
+                                        }
+                                    </td>
+                                    <td>
+                                        <div class="text-truncate">
+                                            @GetOrNA(product.Listing.Shipping)
+                                        </div>
+                                    </td>
+                                    <td>
+                                        <div class="text-truncate">
+                                            @GetOrNA(product.Listing.PurchaseCount)
+                                        </div>
+                                    </td>
+                                    <td>
+                                        <div class="text-truncate">
+                                            @(product.Listing.Rating != null ? string.Format("{0:P2}", product.Listing.Rating) : "N/A")
+                                        </div>
+                                    </td>
+                                    <td>@GetOrNA(product.Listing.ReviewCount)</td>
+                                    <td>
+                                        <a href="@product.Listing.URL" class="btn btn-primary" target="_blank">View</a>
+                                    </td>
+                                </tr>
+                            </Virtualize>
+                        </tbody>
+                    }
+                </table>
+            </div>
+        }
     </div>
 </div>
-
-
-@code {
-    [CascadingParameter(Name = "Shops")]
-    public Dictionary<string, IShop> Shops { get; set; }
-
-    [Parameter]
-    public string Query { get; set; }
-
-    private SearchProfile activeProfile = new SearchProfile();
-    private ResultsProfile activeResultsProfile = new ResultsProfile();
-
-    private bool showSearchConfiguration = false;
-    private bool showResultsConfiguration = false;
-
-    private string ToggleSearchConfigButtonCss
-    {
-        get => "btn btn-outline-secondary" + (showSearchConfiguration ? " active" : "");
-    }
-
-    private string ToggleResultsConfigurationcss {
-        get => "btn btn-outline-secondary btn-tab" + (showResultsConfiguration ? " active" : "");
-    }
-
-    private bool searched = false;
-    private bool searching = false;
-    private bool organizing = false;
-
-    private int resultsChecked = 0;
-    private List<ProductListingInfo> listings = new List<ProductListingInfo>();
-
-    protected override void OnInitialized()
-    {
-        foreach (string shop in Shops.Keys)
-        {
-            activeProfile.shopStates[shop] = true;
-        }
-        base.OnInitialized();
-    }
-
-    protected override async Task OnInitializedAsync()
-    {
-        await base.OnInitializedAsync();
-    }
-
-    protected override async Task OnParametersSetAsync()
-    {
-        if (!string.IsNullOrEmpty(Query))
-        {
-            await PerformSearch(Query);
-        }
-        await base.OnParametersSetAsync();
-    }
-
-    private async Task PerformSearch(string query)
-    {
-        if (string.IsNullOrWhiteSpace(query)) return;
-        if (searching) return;
-        searching = true;
-        Logger.Log($"Received search request for \"{query}\".", LogLevel.Debug);
-        resultsChecked = 0;
-        listings.Clear();
-        Dictionary<ResultsProfile.Category, List<ProductListingInfo>> greatest = new Dictionary<ResultsProfile.Category,
-        List<ProductListingInfo>>();
-        foreach (string shopName in Shops.Keys)
-        {
-            if (activeProfile.shopStates[shopName])
-            {
-                Logger.Log($"Querying \"{shopName}\" for products.");
-                Shops[shopName].SetupSession(query, activeProfile.currency);
-                int shopViableResults = 0;
-                await foreach (ProductListing listing in Shops[shopName])
-                {
-                    resultsChecked += 1;
-                    if (resultsChecked % 50 == 0)
-                    {
-                        StateHasChanged();
-                        await Task.Yield();
-                    }
-
-
-                    if (listing.Shipping == null && !activeProfile.keepUnknownShipping || (activeProfile.enableMaxShippingFee && listing.Shipping > activeProfile.MaxShippingFee)) continue;
-                    float shippingDifference = listing.Shipping != null ? listing.Shipping.Value : 0;
-                    if (!(listing.LowerPrice + shippingDifference >= activeProfile.lowerPrice && (!activeProfile.enableUpperPrice || listing.UpperPrice + shippingDifference <= activeProfile.UpperPrice))) continue;
-                    if ((listing.Rating == null && !activeProfile.keepUnrated) && activeProfile.minRating > (listing.Rating == null ? 0 : listing.Rating)) continue;
-                    if ((listing.PurchaseCount == null && !activeProfile.keepUnknownPurchaseCount) || activeProfile.minPurchases > (listing.PurchaseCount == null ? 0 : listing.PurchaseCount)) continue;
-                    if ((listing.ReviewCount == null && !activeProfile.keepUnknownRatingCount) || activeProfile.minReviews > (listing.ReviewCount == null ? 0 : listing.ReviewCount)) continue;
-
-                    ProductListingInfo info = new ProductListingInfo(listing, shopName);
-                    listings.Add(info);
-                    await Task.Yield();
-                    foreach (ResultsProfile.Category c in Enum.GetValues<ResultsProfile.Category>())
-                    {
-                        if (!greatest.ContainsKey(c)) greatest[c] = new List<ProductListingInfo>();
-                        if (greatest[c].Count > 0)
-                        {
-                            int? compResult = c.CompareListings(info, greatest[c][0]);
-                            if (compResult.HasValue)
-                            {
-                                if (compResult > 0) greatest[c].Clear();
-                                if (compResult >= 0) greatest[c].Add(info);
-                            }
-                        }
-                        else
-                        {
-                            if (c.CompareListings(info, info).HasValue)
-                            {
-                                greatest[c].Add(info);
-                            }
-                        }
-                    }
-
-                    shopViableResults += 1;
-                    if (shopViableResults >= activeProfile.maxResults) break;
-                }
-                Logger.Log($"\"{shopName}\" has completed. There are {listings.Count} results in total.", LogLevel.Debug);
-            }
-            else
-            {
-                Logger.Log($"Skipping {shopName} since it's disabled.");
-            }
-        }
-        searching = false;
-        searched = true;
-
-        foreach (ResultsProfile.Category c in greatest.Keys)
-        {
-            foreach (ProductListingInfo info in greatest[c])
-            {
-                info.Tops.Add(c);
-            }
-        }
-
-        await Organize(activeResultsProfile.Order);
-    }
-
-    private async Task Organize(List<ResultsProfile.Category> order)
-    {
-        if (searching) return;
-        organizing = true;
-        StateHasChanged();
-
-        List<ProductListingInfo> sortedResults = await Task.Run<List<ProductListingInfo>>(() =>
-        {
-            List<ProductListingInfo> sorted = new List<ProductListingInfo>(listings);
-            sorted.Sort((a, b) =>
-            {
-                foreach (ResultsProfile.Category category in activeResultsProfile.Order)
-                {
-                    int? compareResult = category.CompareListings(a, b);
-                    if (compareResult.HasValue && compareResult.Value != 0)
-                    {
-                        return -compareResult.Value;
-                    }
-                }
-                return 0;
-            });
-            return sorted;
-        });
-        listings.Clear();
-        listings.AddRange(sortedResults);
-        organizing = false;
-        StateHasChanged();
-    }
-}

src/MultiShop/Client/Pages/Search.razor.cs

@@ -0,0 +1,196 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+using MultiShop.Shared;
+using MultiShop.Shop.Framework;
+using SimpleLogger;
+
+namespace MultiShop.Client.Pages
+{
+    public partial class Search
+    {
+        [CascadingParameter(Name = "Shops")]
+        public Dictionary<string, IShop> Shops { get; set; }
+
+        [Parameter]
+        public string Query { get; set; }
+
+        private SearchProfile activeProfile = new SearchProfile();
+        private ResultsProfile activeResultsProfile = new ResultsProfile();
+
+        private bool showSearchConfiguration = false;
+        private bool showResultsConfiguration = false;
+
+        private string ToggleSearchConfigButtonCss
+        {
+            get => "btn btn-outline-secondary" + (showSearchConfiguration ? " active" : "");
+        }
+
+        private string ToggleResultsConfigurationcss {
+            get => "btn btn-outline-secondary btn-tab" + (showResultsConfiguration ? " active" : "");
+        }
+
+        private bool searched = false;
+        private bool searching = false;
+        private bool organizing = false;
+
+        private int resultsChecked = 0;
+        private List<ProductListingInfo> listings = new List<ProductListingInfo>();
+
+        protected override void OnInitialized()
+        {
+            foreach (string shop in Shops.Keys)
+            {
+                activeProfile.shopStates[shop] = true;
+            }
+            base.OnInitialized();
+        }
+
+        protected override async Task OnInitializedAsync()
+        {
+            await base.OnInitializedAsync();
+        }
+
+        protected override async Task OnParametersSetAsync()
+        {
+            if (!string.IsNullOrEmpty(Query))
+            {
+                await PerformSearch(Query);
+            }
+            await base.OnParametersSetAsync();
+        }
+
+        private async Task PerformSearch(string query)
+        {
+            if (string.IsNullOrWhiteSpace(query)) return;
+            if (searching) return;
+            searching = true;
+            Logger.Log($"Received search request for \"{query}\".", LogLevel.Debug);
+            resultsChecked = 0;
+            listings.Clear();
+            Dictionary<ResultsProfile.Category, List<ProductListingInfo>> greatest = new Dictionary<ResultsProfile.Category,
+            List<ProductListingInfo>>();
+            foreach (string shopName in Shops.Keys)
+            {
+                if (activeProfile.shopStates[shopName])
+                {
+                    Logger.Log($"Querying \"{shopName}\" for products.");
+                    Shops[shopName].SetupSession(query, activeProfile.currency);
+                    int shopViableResults = 0;
+                    await foreach (ProductListing listing in Shops[shopName])
+                    {
+                        resultsChecked += 1;
+                        if (resultsChecked % 50 == 0)
+                        {
+                            StateHasChanged();
+                            await Task.Yield();
+                        }
+
+
+                        if (listing.Shipping == null && !activeProfile.keepUnknownShipping || (activeProfile.enableMaxShippingFee && listing.Shipping > activeProfile.MaxShippingFee)) continue;
+                        float shippingDifference = listing.Shipping != null ? listing.Shipping.Value : 0;
+                        if (!(listing.LowerPrice + shippingDifference >= activeProfile.lowerPrice && (!activeProfile.enableUpperPrice || listing.UpperPrice + shippingDifference <= activeProfile.UpperPrice))) continue;
+                        if ((listing.Rating == null && !activeProfile.keepUnrated) && activeProfile.minRating > (listing.Rating == null ? 0 : listing.Rating)) continue;
+                        if ((listing.PurchaseCount == null && !activeProfile.keepUnknownPurchaseCount) || activeProfile.minPurchases > (listing.PurchaseCount == null ? 0 : listing.PurchaseCount)) continue;
+                        if ((listing.ReviewCount == null && !activeProfile.keepUnknownRatingCount) || activeProfile.minReviews > (listing.ReviewCount == null ? 0 : listing.ReviewCount)) continue;
+
+                        ProductListingInfo info = new ProductListingInfo(listing, shopName);
+                        listings.Add(info);
+                        foreach (ResultsProfile.Category c in Enum.GetValues<ResultsProfile.Category>())
+                        {
+                            if (!greatest.ContainsKey(c)) greatest[c] = new List<ProductListingInfo>();
+                            if (greatest[c].Count > 0)
+                            {
+                                int? compResult = c.CompareListings(info, greatest[c][0]);
+                                if (compResult.HasValue)
+                                {
+                                    if (compResult > 0) greatest[c].Clear();
+                                    if (compResult >= 0) greatest[c].Add(info);
+                                }
+                            }
+                            else
+                            {
+                                if (c.CompareListings(info, info).HasValue)
+                                {
+                                    greatest[c].Add(info);
+                                }
+                            }
+                        }
+
+                        shopViableResults += 1;
+                        if (shopViableResults >= activeProfile.maxResults) break;
+                    }
+                    Logger.Log($"\"{shopName}\" has completed. There are {listings.Count} results in total.", LogLevel.Debug);
+                }
+                else
+                {
+                    Logger.Log($"Skipping {shopName} since it's disabled.");
+                }
+            }
+            searching = false;
+            searched = true;
+
+            foreach (ResultsProfile.Category c in greatest.Keys)
+            {
+                foreach (ProductListingInfo info in greatest[c])
+                {
+                    info.Tops.Add(c);
+                }
+            }
+
+            await Organize(activeResultsProfile.Order);
+        }
+
+        private async Task Organize(List<ResultsProfile.Category> order)
+        {
+            if (searching) return;
+            organizing = true;
+            StateHasChanged();
+
+            List<ProductListingInfo> sortedResults = await Task.Run<List<ProductListingInfo>>(() =>
+            {
+                List<ProductListingInfo> sorted = new List<ProductListingInfo>(listings);
+                sorted.Sort((a, b) =>
+                {
+                    foreach (ResultsProfile.Category category in activeResultsProfile.Order)
+                    {
+                        int? compareResult = category.CompareListings(a, b);
+                        if (compareResult.HasValue && compareResult.Value != 0)
+                        {
+                            return -compareResult.Value;
+                        }
+                    }
+                    return 0;
+                });
+                return sorted;
+            });
+            listings.Clear();
+            listings.AddRange(sortedResults);
+            organizing = false;
+            StateHasChanged();
+        }
+
+
+        private string GetOrNA(object data, string prepend = null, string append = null)
+        {
+            return data != null ? (prepend + data.ToString() + append) : "N/A";
+        }
+
+        private string CategoryTags(ResultsProfile.Category c)
+        {
+            switch (c)
+            {
+                case ResultsProfile.Category.RatingPriceRatio:
+                    return "Best rating to price ratio";
+                case ResultsProfile.Category.Price:
+                    return "Lowest price";
+                case ResultsProfile.Category.Purchases:
+                    return "Most purchases";
+                case ResultsProfile.Category.Reviews:
+                    return "Most reviews";
+            }
+            throw new ArgumentException($"{c} does not have an associated string.");
+        }
+    }
+}

src/MultiShop/Client/Program.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Net.Http;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Text;
+using Microsoft.AspNetCore.Components.WebAssembly.Authentication;
+using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using SimpleLogger;
+
+namespace MultiShop.Client
+{
+    public class Program
+    {
+        public static async Task Main(string[] args)
+        {
+            Logger.AddLogListener(new ConsoleLogReceiver() {Level = LogLevel.Debug});
+            var builder = WebAssemblyHostBuilder.CreateDefault(args);
+            builder.RootComponents.Add<App>("#app");
+
+            builder.Services.AddHttpClient("MultiShop.ServerAPI", client => client.BaseAddress = new Uri(builder.HostEnvironment.BaseAddress)).AddHttpMessageHandler<BaseAddressAuthorizationMessageHandler>();
+
+            builder.Services.AddHttpClient("Public-MultiShop.ServerAPI", client => client.BaseAddress = new Uri(builder.HostEnvironment.BaseAddress));
+
+            // Supply HttpClient instances that include access tokens when making requests to the server project
+            builder.Services.AddScoped(sp => sp.GetRequiredService<IHttpClientFactory>().CreateClient("MultiShop.ServerAPI"));
+
+            builder.Services.AddApiAuthorization();
+
+            await builder.Build().RunAsync();
+        }
+    }
+}

src/MultiShop/Client/Properties/launchSettings.json

@@ -3,8 +3,8 @@
     "windowsAuthentication": false,
     "anonymousAuthentication": true,
     "iisExpress": {
-      "applicationUrl": "http://localhost:46072",
+      "applicationUrl": "http://localhost:5738",
-      "sslPort": 44317
+      "sslPort": 44353
     }
   },
   "profiles": {

src/MultiShop/Client/Shared/LoginDisplay.razor

@@ -0,0 +1,24 @@
+@using Microsoft.AspNetCore.Components.Authorization
+@using Microsoft.AspNetCore.Components.WebAssembly.Authentication
+
+@inject NavigationManager Navigation
+@inject SignOutSessionStateManager SignOutManager
+
+<AuthorizeView>
+    <Authorized>
+        <a href="authentication/profile">Hello, @context.User.Identity.Name!</a>
+        <button class="nav-link btn btn-link" @onclick="BeginSignOut">Log out</button>
+    </Authorized>
+    <NotAuthorized>
+        <a href="authentication/register">Register</a>
+        <a href="authentication/login">Log in</a>
+    </NotAuthorized>
+</AuthorizeView>
+
+@code{
+    private async Task BeginSignOut(MouseEventArgs args)
+    {
+        await SignOutManager.SetSignOutState();
+        Navigation.NavigateTo("authentication/logout");
+    }
+}

src/MultiShop/Client/Shared/MainLayout.razor

@@ -0,0 +1,10 @@
+@inherits LayoutComponentBase
+
+<div class="page">
+    <NavMenu />
+    <div class="main">
+        <div class="content px-4">
+            @Body
+        </div>
+    </div>
+</div>

src/MultiShop/Client/Shared/NavMenu.razor

@@ -1,6 +1,6 @@
 <nav class="navbar navbar-expand-lg navbar-light bg-light">
     <a class="navbar-brand" href="">
-        <img src="100.png" width="30" height="30" class="d-inline-block align-top">
+        <img src="100x100.png" width="30" height="30" class="d-inline-block align-top">
         MultiShop
     </a>
     <button class="navbar-toggler" type="button" @onclick="ToggleNavMenu">

src/MultiShop/Client/Shared/RedirectToLogin.razor

@@ -0,0 +1,8 @@
+@inject NavigationManager Navigation
+@using Microsoft.AspNetCore.Components.WebAssembly.Authentication
+@code {
+    protected override void OnInitialized()
+    {
+        Navigation.NavigateTo($"authentication/login?returnUrl={Uri.EscapeDataString(Navigation.Uri)}");
+    }
+}

src/MultiShop/Client/_Imports.razor

@@ -1,10 +1,13 @@
 @using System.Net.Http
 @using System.Net.Http.Json
+@using Microsoft.AspNetCore.Components.Authorization
 @using Microsoft.AspNetCore.Components.Forms
 @using Microsoft.AspNetCore.Components.Routing
 @using Microsoft.AspNetCore.Components.Web
 @using Microsoft.AspNetCore.Components.Web.Virtualization
 @using Microsoft.AspNetCore.Components.WebAssembly.Http
 @using Microsoft.JSInterop
-@using MultiShop
+@using MultiShop.Client
-@using MultiShop.Shared
+@using MultiShop.Client.Shared
+@using Shop.Framework
+@using SimpleLogger

src/MultiShop/Client/wwwroot/index.html

@@ -8,7 +8,7 @@
     <base href="/" />
     <link href="css/bootstrap/bootstrap.min.css" rel="stylesheet" />
     <link href="css/app.css" rel="stylesheet" />
-    <link href="MultiShop.styles.css" rel="stylesheet" />
+    <link href="MultiShop.Client.styles.css" rel="stylesheet" />
 </head>
 
 <body>
@@ -19,7 +19,9 @@
         <a href="" class="reload">Reload</a>
         <a class="dismiss">🗙</a>
     </div>
+    
     <script src="js/ComponentsSupport.js"></script>
+    <script src="_content/Microsoft.AspNetCore.Components.WebAssembly.Authentication/AuthenticationService.js"></script>
     <script src="_framework/blazor.webassembly.js"></script>
 </body>
 

src/MultiShop/Program.cs

@@ -1,22 +0,0 @@
-using System;
-using System.Net.Http;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
-using Microsoft.Extensions.DependencyInjection;
-using SimpleLogger;
-
-namespace MultiShop
-{
-    public class Program
-    {
-        public static async Task Main(string[] args)
-        {
-            
-            Logger.AddLogListener(new ConsoleLogReceiver() {Level = LogLevel.Debug});
-            var builder = WebAssemblyHostBuilder.CreateDefault(args);
-            builder.RootComponents.Add<App>("#app");
-            builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
-            await builder.Build().RunAsync();
-        }
-    }
-}

src/MultiShop/Server/Areas/Identity/Pages/Shared/_LoginPartial.cshtml

@@ -0,0 +1,35 @@
+@using Microsoft.AspNetCore.Identity
+@using MultiShop.Server.Models
+@inject SignInManager<ApplicationUser> SignInManager
+@inject UserManager<ApplicationUser> UserManager
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+
+@{
+    var returnUrl = "/";
+    if (Context.Request.Query.TryGetValue("returnUrl", out var existingUrl)) {
+        returnUrl = existingUrl;
+    }
+}
+
+<ul class="navbar-nav">
+@if (SignInManager.IsSignedIn(User))
+{
+    <li class="nav-item">
+        <a  class="nav-link text-dark" asp-area="Identity" asp-page="/Account/Manage/Index" title="Manage">Hello @User.Identity.Name!</a>
+    </li>
+    <li class="nav-item">
+        <form class="form-inline" asp-area="Identity" asp-page="/Account/Logout" asp-route-returnUrl="/" method="post">
+            <button  type="submit" class="nav-link btn btn-link text-dark">Logout</button>
+        </form>
+    </li>
+}
+else
+{
+    <li class="nav-item">
+        <a class="nav-link text-dark" asp-area="Identity" asp-page="/Account/Register" asp-route-returnUrl="@returnUrl">Register</a>
+    </li>
+    <li class="nav-item">
+        <a class="nav-link text-dark" asp-area="Identity" asp-page="/Account/Login" asp-route-returnUrl="@returnUrl">Login</a>
+    </li>
+}
+</ul>

src/MultiShop/Server/Controllers/OidcConfigurationController.cs

@@ -0,0 +1,26 @@
+using Microsoft.AspNetCore.ApiAuthorization.IdentityServer;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+
+namespace MultiShop.Server.Controllers
+{
+    public class OidcConfigurationController : Controller
+    {
+        private readonly ILogger<OidcConfigurationController> _logger;
+
+        public OidcConfigurationController(IClientRequestParametersProvider clientRequestParametersProvider, ILogger<OidcConfigurationController> logger)
+        {
+            ClientRequestParametersProvider = clientRequestParametersProvider;
+            _logger = logger;
+        }
+
+        public IClientRequestParametersProvider ClientRequestParametersProvider { get; }
+
+        [HttpGet("_configuration/{clientId}")]
+        public IActionResult GetClientRequestParameters([FromRoute]string clientId)
+        {
+            var parameters = ClientRequestParametersProvider.GetClientParameters(HttpContext, clientId);
+            return Ok(parameters);
+        }
+    }
+}

src/MultiShop/Server/Controllers/ShopModulesController.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+
+namespace MultiShop.Server.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class ShopModulesController : ControllerBase
+    {
+        private readonly IConfiguration configuration;
+        private IDictionary<string, byte[]> shopAssemblyData;
+
+        
+
+        public ShopModulesController(IConfiguration configuration)
+        {
+            this.configuration = configuration;
+            this.shopAssemblyData = new Dictionary<string, byte[]>();
+        }
+        
+        public IEnumerable<string> GetShopModuleNames() {
+            foreach (string file in Directory.EnumerateFiles(configuration["ModulesDir"]))
+            {
+                if (Path.GetExtension(file).ToLower().Equals(".dll")) {
+                    yield return Path.GetFileNameWithoutExtension(file);
+                }
+            }
+        }
+
+
+        [HttpGet]
+        [Route("{shopModuleName}")]
+        public ActionResult GetModule(string shopModuleName) {
+            string shopPath = Path.Join(configuration["ModulesDir"], shopModuleName);
+            if (!System.IO.File.Exists(shopPath)) return NotFound();
+            return File(new FileStream(shopPath, FileMode.Open), "application/shop-dll");
+        }
+    }
+}

src/MultiShop/Server/Controllers/WeatherForecastController.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+using MultiShop.Shared;
+
+namespace MultiShop.Server.Controllers
+{
+    [Authorize]
+    [ApiController]
+    [Route("[controller]")]
+    public class WeatherForecastController : ControllerBase
+    {
+        private static readonly string[] Summaries = new[]
+        {
+            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+        };
+
+        private readonly ILogger<WeatherForecastController> _logger;
+
+        public WeatherForecastController(ILogger<WeatherForecastController> logger)
+        {
+            _logger = logger;
+        }
+
+        [HttpGet]
+        public IEnumerable<WeatherForecast> Get()
+        {
+            var rng = new Random();
+            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
+            {
+                Date = DateTime.Now.AddDays(index),
+                TemperatureC = rng.Next(-20, 55),
+                Summary = Summaries[rng.Next(Summaries.Length)]
+            })
+            .ToArray();
+        }
+    }
+}

src/MultiShop/Server/Data/ApplicationDbContext.cs

@@ -0,0 +1,21 @@
+using MultiShop.Server.Models;
+using IdentityServer4.EntityFramework.Options;
+using Microsoft.AspNetCore.ApiAuthorization.IdentityServer;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MultiShop.Server.Data
+{
+    public class ApplicationDbContext : ApiAuthorizationDbContext<ApplicationUser>
+    {
+        public ApplicationDbContext(
+            DbContextOptions options,
+            IOptions<OperationalStoreOptions> operationalStoreOptions) : base(options, operationalStoreOptions)
+        {
+        }
+    }
+}

src/MultiShop/Server/Data/Migrations/00000000000000_CreateIdentitySchema.Designer.cs

@@ -0,0 +1,373 @@
+// <auto-generated />
+using System;
+using MultiShop.Server.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace MultiShop.Server.Data.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    [Migration("00000000000000_CreateIdentitySchema")]
+    partial class CreateIdentitySchema
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "5.0.0-rc.1.20417.2");
+
+            modelBuilder.Entity("MultiShop.Server.Models.ApplicationUser", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers");
+                });
+
+            modelBuilder.Entity("IdentityServer4.EntityFramework.Entities.DeviceFlowCodes", b =>
+                {
+                    b.Property<string>("UserCode")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Data")
+                        .IsRequired()
+                        .HasMaxLength(50000)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("DeviceCode")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("Expiration")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SessionId")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SubjectId")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("UserCode");
+
+                    b.HasIndex("DeviceCode")
+                        .IsUnique();
+
+                    b.HasIndex("Expiration");
+
+                    b.ToTable("DeviceCodes");
+                });
+
+            modelBuilder.Entity("IdentityServer4.EntityFramework.Entities.PersistedGrant", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("ConsumedTime")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Data")
+                        .IsRequired()
+                        .HasMaxLength(50000)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("Expiration")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SessionId")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SubjectId")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("Expiration");
+
+                    b.HasIndex("SubjectId", "ClientId", "Type");
+
+                    b.HasIndex("SubjectId", "SessionId", "Type");
+
+                    b.ToTable("PersistedGrants");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ProviderKey")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("LoginProvider")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

src/MultiShop/Server/Data/Migrations/00000000000000_CreateIdentitySchema.cs

@@ -0,0 +1,288 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace MultiShop.Server.Data.Migrations
+{
+    public partial class CreateIdentitySchema : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "AspNetRoles",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "TEXT", nullable: false),
+                    Name = table.Column<string>(type: "TEXT", maxLength: 256, nullable: true),
+                    NormalizedName = table.Column<string>(type: "TEXT", maxLength: 256, nullable: true),
+                    ConcurrencyStamp = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetRoles", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUsers",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "TEXT", nullable: false),
+                    UserName = table.Column<string>(type: "TEXT", maxLength: 256, nullable: true),
+                    NormalizedUserName = table.Column<string>(type: "TEXT", maxLength: 256, nullable: true),
+                    Email = table.Column<string>(type: "TEXT", maxLength: 256, nullable: true),
+                    NormalizedEmail = table.Column<string>(type: "TEXT", maxLength: 256, nullable: true),
+                    EmailConfirmed = table.Column<bool>(type: "INTEGER", nullable: false),
+                    PasswordHash = table.Column<string>(type: "TEXT", nullable: true),
+                    SecurityStamp = table.Column<string>(type: "TEXT", nullable: true),
+                    ConcurrencyStamp = table.Column<string>(type: "TEXT", nullable: true),
+                    PhoneNumber = table.Column<string>(type: "TEXT", nullable: true),
+                    PhoneNumberConfirmed = table.Column<bool>(type: "INTEGER", nullable: false),
+                    TwoFactorEnabled = table.Column<bool>(type: "INTEGER", nullable: false),
+                    LockoutEnd = table.Column<DateTimeOffset>(type: "TEXT", nullable: true),
+                    LockoutEnabled = table.Column<bool>(type: "INTEGER", nullable: false),
+                    AccessFailedCount = table.Column<int>(type: "INTEGER", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUsers", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "DeviceCodes",
+                columns: table => new
+                {
+                    UserCode = table.Column<string>(type: "TEXT", maxLength: 200, nullable: false),
+                    DeviceCode = table.Column<string>(type: "TEXT", maxLength: 200, nullable: false),
+                    SubjectId = table.Column<string>(type: "TEXT", maxLength: 200, nullable: true),
+                    SessionId = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    ClientId = table.Column<string>(type: "TEXT", maxLength: 200, nullable: false),
+                    Description = table.Column<string>(type: "TEXT", maxLength: 200, nullable: true),
+                    CreationTime = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    Expiration = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    Data = table.Column<string>(type: "TEXT", maxLength: 50000, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_DeviceCodes", x => x.UserCode);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PersistedGrants",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "TEXT", maxLength: 200, nullable: false),
+                    Type = table.Column<string>(type: "TEXT", maxLength: 50, nullable: false),
+                    SubjectId = table.Column<string>(type: "TEXT", maxLength: 200, nullable: true),
+                    SessionId = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    ClientId = table.Column<string>(type: "TEXT", maxLength: 200, nullable: false),
+                    Description = table.Column<string>(type: "TEXT", maxLength: 200, nullable: true),
+                    CreationTime = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    Expiration = table.Column<DateTime>(type: "TEXT", nullable: true),
+                    ConsumedTime = table.Column<DateTime>(type: "TEXT", nullable: true),
+                    Data = table.Column<string>(type: "TEXT", maxLength: 50000, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PersistedGrants", x => x.Key);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetRoleClaims",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    RoleId = table.Column<string>(type: "TEXT", nullable: false),
+                    ClaimType = table.Column<string>(type: "TEXT", nullable: true),
+                    ClaimValue = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetRoleClaims", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_AspNetRoleClaims_AspNetRoles_RoleId",
+                        column: x => x.RoleId,
+                        principalTable: "AspNetRoles",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserClaims",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    UserId = table.Column<string>(type: "TEXT", nullable: false),
+                    ClaimType = table.Column<string>(type: "TEXT", nullable: true),
+                    ClaimValue = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserClaims", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_AspNetUserClaims_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserLogins",
+                columns: table => new
+                {
+                    LoginProvider = table.Column<string>(type: "TEXT", maxLength: 128, nullable: false),
+                    ProviderKey = table.Column<string>(type: "TEXT", maxLength: 128, nullable: false),
+                    ProviderDisplayName = table.Column<string>(type: "TEXT", nullable: true),
+                    UserId = table.Column<string>(type: "TEXT", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserLogins", x => new { x.LoginProvider, x.ProviderKey });
+                    table.ForeignKey(
+                        name: "FK_AspNetUserLogins_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserRoles",
+                columns: table => new
+                {
+                    UserId = table.Column<string>(type: "TEXT", nullable: false),
+                    RoleId = table.Column<string>(type: "TEXT", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserRoles", x => new { x.UserId, x.RoleId });
+                    table.ForeignKey(
+                        name: "FK_AspNetUserRoles_AspNetRoles_RoleId",
+                        column: x => x.RoleId,
+                        principalTable: "AspNetRoles",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_AspNetUserRoles_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserTokens",
+                columns: table => new
+                {
+                    UserId = table.Column<string>(type: "TEXT", nullable: false),
+                    LoginProvider = table.Column<string>(type: "TEXT", maxLength: 128, nullable: false),
+                    Name = table.Column<string>(type: "TEXT", maxLength: 128, nullable: false),
+                    Value = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserTokens", x => new { x.UserId, x.LoginProvider, x.Name });
+                    table.ForeignKey(
+                        name: "FK_AspNetUserTokens_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetRoleClaims_RoleId",
+                table: "AspNetRoleClaims",
+                column: "RoleId");
+
+            migrationBuilder.CreateIndex(
+                name: "RoleNameIndex",
+                table: "AspNetRoles",
+                column: "NormalizedName",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUserClaims_UserId",
+                table: "AspNetUserClaims",
+                column: "UserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUserLogins_UserId",
+                table: "AspNetUserLogins",
+                column: "UserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUserRoles_RoleId",
+                table: "AspNetUserRoles",
+                column: "RoleId");
+
+            migrationBuilder.CreateIndex(
+                name: "EmailIndex",
+                table: "AspNetUsers",
+                column: "NormalizedEmail");
+
+            migrationBuilder.CreateIndex(
+                name: "UserNameIndex",
+                table: "AspNetUsers",
+                column: "NormalizedUserName",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DeviceCodes_DeviceCode",
+                table: "DeviceCodes",
+                column: "DeviceCode",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DeviceCodes_Expiration",
+                table: "DeviceCodes",
+                column: "Expiration");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PersistedGrants_Expiration",
+                table: "PersistedGrants",
+                column: "Expiration");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PersistedGrants_SubjectId_ClientId_Type",
+                table: "PersistedGrants",
+                columns: new[] { "SubjectId", "ClientId", "Type" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PersistedGrants_SubjectId_SessionId_Type",
+                table: "PersistedGrants",
+                columns: new[] { "SubjectId", "SessionId", "Type" });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "AspNetRoleClaims");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserClaims");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserLogins");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserRoles");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserTokens");
+
+            migrationBuilder.DropTable(
+                name: "DeviceCodes");
+
+            migrationBuilder.DropTable(
+                name: "PersistedGrants");
+
+            migrationBuilder.DropTable(
+                name: "AspNetRoles");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUsers");
+        }
+    }
+}

src/MultiShop/Server/Data/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -0,0 +1,371 @@
+// <auto-generated />
+using System;
+using MultiShop.Server.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace MultiShop.Server.Data.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    partial class ApplicationDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "5.0.0-rc.1.20417.2");
+
+            modelBuilder.Entity("MultiShop.Server.Models.ApplicationUser", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers");
+                });
+
+            modelBuilder.Entity("IdentityServer4.EntityFramework.Entities.DeviceFlowCodes", b =>
+                {
+                    b.Property<string>("UserCode")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Data")
+                        .IsRequired()
+                        .HasMaxLength(50000)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("DeviceCode")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("Expiration")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SessionId")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SubjectId")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("UserCode");
+
+                    b.HasIndex("DeviceCode")
+                        .IsUnique();
+
+                    b.HasIndex("Expiration");
+
+                    b.ToTable("DeviceCodes");
+                });
+
+            modelBuilder.Entity("IdentityServer4.EntityFramework.Entities.PersistedGrant", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("ConsumedTime")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Data")
+                        .IsRequired()
+                        .HasMaxLength(50000)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("Expiration")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SessionId")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SubjectId")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("Expiration");
+
+                    b.HasIndex("SubjectId", "ClientId", "Type");
+
+                    b.HasIndex("SubjectId", "SessionId", "Type");
+
+                    b.ToTable("PersistedGrants");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ProviderKey")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("LoginProvider")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(128)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("MultiShop.Server.Models.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

src/MultiShop/Server/Models/ApplicationUser.cs

@@ -0,0 +1,12 @@
+using Microsoft.AspNetCore.Identity;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MultiShop.Server.Models
+{
+    public class ApplicationUser : IdentityUser
+    {
+    }
+}

src/MultiShop/Server/MultiShop.Server.csproj

@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+    <UserSecretsId>MultiShop.Server-24B2AA0A-FA57-4FB2-B70E-6546BC734726</UserSecretsId>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="5.0.5" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Client\MultiShop.Client.csproj" />
+    <ProjectReference Include="..\Shared\MultiShop.Shared.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="app.db" CopyToOutputDirectory="PreserveNewest" ExcludeFromSingleFile="true" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="5.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="5.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="5.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.ApiAuthorization.IdentityServer" Version="5.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="5.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="5.0.5" />
+  </ItemGroup>
+
+</Project>

src/MultiShop/Server/Pages/Error.cshtml

@@ -0,0 +1,42 @@
+@page
+@model MultiShop.Server.Pages.ErrorModel
+
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>Error</title>
+    <link href="~/css/bootstrap/bootstrap.min.css" rel="stylesheet" />
+    <link href="~/css/app.css" rel="stylesheet" />
+</head>
+
+<body>
+    <div class="main">
+        <div class="content px-4">
+            <h1 class="text-danger">Error.</h1>
+            <h2 class="text-danger">An error occurred while processing your request.</h2>
+
+            @if (Model.ShowRequestId)
+            {
+                <p>
+                    <strong>Request ID:</strong> <code>@Model.RequestId</code>
+                </p>
+            }
+
+            <h3>Development Mode</h3>
+            <p>
+                Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
+            </p>
+            <p>
+                <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+                It can result in displaying sensitive information from exceptions to end users.
+                For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+                and restarting the app.
+            </p>
+        </div>
+    </div>
+</body>
+
+</html>

src/MultiShop/Server/Pages/Error.cshtml.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace MultiShop.Server.Pages
+{
+    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+    [IgnoreAntiforgeryToken]
+    public class ErrorModel : PageModel
+    {
+        public string RequestId { get; set; }
+
+        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+        private readonly ILogger<ErrorModel> _logger;
+
+        public ErrorModel(ILogger<ErrorModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+            RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
+        }
+    }
+}

src/MultiShop/Server/Program.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace MultiShop.Server
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            CreateHostBuilder(args).Build().Run();
+        }
+
+        public static IHostBuilder CreateHostBuilder(string[] args) =>
+            Host.CreateDefaultBuilder(args)
+                .ConfigureWebHostDefaults(webBuilder =>
+                {
+                    webBuilder.UseStartup<Startup>();
+                });
+    }
+}

src/MultiShop/Server/Properties/launchSettings.json

@@ -0,0 +1,30 @@
+{
+    "iisSettings": {
+      "windowsAuthentication": false,
+      "anonymousAuthentication": true,
+      "iisExpress": {
+        "applicationUrl": "http://localhost:5738",
+        "sslPort": 44353
+      }
+    },
+    "profiles": {
+      "IIS Express": {
+        "commandName": "IISExpress",
+        "launchBrowser": true,
+        "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      },
+      "MultiShop.Server": {
+        "commandName": "Project",
+        "dotnetRunMessages": "true",
+        "launchBrowser": true,
+        "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}",
+        "applicationUrl": "https://localhost:5001;http://localhost:5000",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      }
+    }
+  }

src/MultiShop/Server/Startup.cs

@@ -0,0 +1,82 @@
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.HttpsPolicy;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.ResponseCompression;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using System.Linq;
+using MultiShop.Server.Data;
+using MultiShop.Server.Models;
+
+namespace MultiShop.Server
+{
+    public class Startup
+    {
+        public Startup(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        public IConfiguration Configuration { get; }
+
+        // This method gets called by the runtime. Use this method to add services to the container.
+        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
+        public void ConfigureServices(IServiceCollection services)
+        {
+            services.AddDbContext<ApplicationDbContext>(options =>
+                options.UseSqlite(
+                    Configuration.GetConnectionString("DefaultConnection")));
+
+            services.AddDatabaseDeveloperPageExceptionFilter();
+
+            services.AddDefaultIdentity<ApplicationUser>(options => options.SignIn.RequireConfirmedAccount = true)
+                .AddEntityFrameworkStores<ApplicationDbContext>();
+
+            services.AddIdentityServer()
+                .AddApiAuthorization<ApplicationUser, ApplicationDbContext>();
+
+            services.AddAuthentication()
+                .AddIdentityServerJwt();
+
+            services.AddControllersWithViews();
+            services.AddRazorPages();
+        }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        {
+            if (env.IsDevelopment())
+            {
+                app.UseDeveloperExceptionPage();
+                app.UseMigrationsEndPoint();
+                app.UseWebAssemblyDebugging();
+            }
+            else
+            {
+                app.UseExceptionHandler("/Error");
+                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+                app.UseHsts();
+            }
+
+            app.UseHttpsRedirection();
+            app.UseBlazorFrameworkFiles();
+            app.UseStaticFiles();
+
+            app.UseRouting();
+
+            app.UseIdentityServer();
+            app.UseAuthentication();
+            app.UseAuthorization();
+
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapRazorPages();
+                endpoints.MapControllers();
+                endpoints.MapFallbackToFile("index.html");
+            });
+        }
+    }
+}

src/MultiShop/Server/appsettings.Development.json

@@ -0,0 +1,14 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "IdentityServer": {
+    "Key": {
+      "Type": "Development"
+    }
+  }
+}

src/MultiShop/Server/appsettings.json

@@ -0,0 +1,21 @@
+{
+  "ModulesDir": "modules",
+  "ConnectionStrings": {
+    "DefaultConnection": "DataSource=app.db"
+  },
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "IdentityServer": {
+    "Clients": {
+      "MultiShop.Client": {
+        "Profile": "IdentityServerSPA"
+      }
+    }
+  },
+"AllowedHosts": "*"
+}

src/MultiShop/Shared/ListingTableView.razor

@@ -1,98 +0,0 @@
-@using DataStructures
-
-<div class="table-responsive">
-    <table class="table table-top-borderless">
-        <thead>
-            <tr>
-                <th scope="col">Name</th>
-                <th scope="col">Price</th>
-                <th scope="col">Shipping</th>
-                <th scope="col">Purchases</th>
-                <th scope="col">Rating</th>
-                <th scope="col">Reviews</th>
-                <th scope="col"></th>
-            </tr>
-        </thead>
-        <tbody>
-            <Virtualize Items="@Products" Context="product">
-                <tr>
-                    <th scope="row" @key="product.Listing">
-                        <div class="text-truncate">@product.Listing.Name</div>
-                        <small>From @product.ShopName</small>
-                        @if (product.Listing.ConvertedPrices)
-                        {
-                            <span class="ml-3 mr-1 badge badge-warning">Converted price</span>
-                        }
-                        @foreach (ResultsProfile.Category c in product.Tops)
-                        {
-                            <span class="mx-1 badge badge-primary">@CategoryTags(c)</span>
-                        }
-                    </th>
-                    <td>
-                        @if (product.Listing.UpperPrice != product.Listing.LowerPrice)
-                        {
-                            <div class="text-truncate">
-                                @product.Listing.LowerPrice to @product.Listing.UpperPrice
-                            </div>
-                        }
-                        else
-                        {
-                            <div class="text-truncate">
-                                @GetOrNA(product.Listing.LowerPrice)
-                            </div>
-                        }
-                    </td>
-                    <td>
-                        <div class="text-truncate">
-                            @GetOrNA(product.Listing.Shipping)
-                        </div>
-                    </td>
-                    <td>
-                        <div class="text-truncate">
-                            @GetOrNA(product.Listing.PurchaseCount)
-                        </div>
-                    </td>
-                    <td>
-                        <div class="text-truncate">
-                            @(product.Listing.Rating != null ? string.Format("{0:P2}", product.Listing.Rating) : "N/A")
-                        </div>
-                    </td>
-                    <td>@GetOrNA(product.Listing.ReviewCount)</td>
-                    <td>
-                        <a href="@product.Listing.URL" class="btn btn-primary" target="_blank">View</a>
-                    </td>
-                </tr>
-            </Virtualize>
-        </tbody>
-    </table>
-</div>
-
-@code {
-
-    [Parameter]
-    public List<ProductListingInfo> Products { get; set; }
-
-    private string PriceCellHeight { get => "height: " + "4rem"; }
-
-    private string GetOrNA(object data, string prepend = null, string append = null)
-    {
-        return data != null ? (prepend + data.ToString() + append) : "N/A";
-    }
-
-    private string CategoryTags(ResultsProfile.Category c)
-    {
-        switch (c)
-        {
-            case ResultsProfile.Category.RatingPriceRatio:
-                return "Best rating to price ratio";
-            case ResultsProfile.Category.Price:
-                return "Lowest price";
-            case ResultsProfile.Category.Purchases:
-                return "Most purchases";
-            case ResultsProfile.Category.Reviews:
-                return "Most reviews";
-        }
-        throw new ArgumentException($"{c} does not have an associated string.");
-    }
-
-}

src/MultiShop/Shared/MainLayout.razor

@@ -1,100 +0,0 @@
-@using ShopFramework
-@using SimpleLogger
-@using System.Reflection
-@using Microsoft.Extensions.Configuration
-@inject HttpClient Http
-@inject IConfiguration Configuration
-@inherits LayoutComponentBase
-@implements IDisposable
-
-<div class="page">
-    <NavMenu />
-    <div class="main">
-        <div class="content px-4">
-            @if (modulesLoaded)
-            {
-                <CascadingValue Value="shops" Name="Shops">
-                    @Body
-                </CascadingValue>
-            }
-        </div>
-    </div>
-</div>
-
-@code {
-    private bool modulesLoaded = false;
-
-    private Dictionary<string, IShop> shops = new Dictionary<string, IShop>();
-    private Dictionary<string, Assembly> unusedDependencies = new Dictionary<string, Assembly>();
-        
-    protected override async Task OnInitializedAsync()
-    {
-        await DownloadShopModules();
-        await base.OnInitializedAsync();
-    }
-    private async Task DownloadShopModules() {
-        Logger.Log($"Fetching shop modules.", LogLevel.Debug);
-        string[] shopNames = await Http.GetFromJsonAsync<string[]>(Configuration["ModulesList"]);
-        Task<byte[]>[] assemblyDownloadTasks = new Task<byte[]>[shopNames.Length];
-
-        for (int i = 0; i < shopNames.Length; i++)
-        {
-            string shopPath = Configuration["ModulesDir"] + shopNames[i] + ".dll";
-            assemblyDownloadTasks[i] = Http.GetByteArrayAsync(shopPath);
-            Logger.Log($"Downloading \"{shopPath}\".", LogLevel.Debug);
-        }
-
-        AppDomain.CurrentDomain.AssemblyResolve += OnAssemblyDependencyRequest;
-
-        foreach (Task<byte[]> task in assemblyDownloadTasks)
-        {
-            Assembly assembly = AppDomain.CurrentDomain.Load(await task);
-            bool assigned = false;
-            foreach (Type type in assembly.GetTypes())
-            {
-                if (typeof(IShop).IsAssignableFrom(type)) {
-                    IShop shop = Activator.CreateInstance(type) as IShop;
-                    if (shop != null) {
-                        shop.Initialize();
-                        shops.Add(shop.ShopName, shop);
-                        Logger.Log($"Registered and started lifetime of module for \"{shop.ShopName}\".", LogLevel.Debug);
-                    } 
-                    assigned = true;
-                }
-            }
-            if (!assigned) {
-                unusedDependencies.Add(assembly.FullName, assembly);
-                Logger.Log($"Assembly \"{assembly.FullName}\" did not contain a shop module. Storing it as potential extension.", LogLevel.Debug);
-            }
-        }
-        foreach (string assembly in unusedDependencies.Keys)
-        {
-            Logger.Log($"{assembly} was unused.", LogLevel.Warning);
-        }
-        unusedDependencies.Clear();
-        modulesLoaded = true;
-    }
-
-    
-    private Assembly OnAssemblyDependencyRequest(object sender, ResolveEventArgs args) {
-        Logger.Log($"Assembly {args.RequestingAssembly} is requesting dependency assembly {args.Name}.", LogLevel.Debug);
-        if (unusedDependencies.ContainsKey(args.Name))
-        {
-            Logger.Log("Dependency found.", LogLevel.Debug);
-            Assembly dependency = unusedDependencies[args.Name];
-            unusedDependencies.Remove(args.Name);
-            return dependency;
-        }
-        Logger.Log($"No dependency under name {args.Name}", LogLevel.Debug);
-        return null;
-    }
-
-
-    public void Dispose() {
-        foreach (string name in shops.Keys)
-        {
-            shops[name].Dispose();
-            Logger.Log($"Ending lifetime of shop module for \"{name}\".");
-        }
-    }
-}

src/MultiShop/Shared/MultiShop.Shared.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <SupportedPlatform Include="browser" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\MultiShop.Shop\Framework\MultiShop.Shop.Framework.csproj" />
+  </ItemGroup>
+</Project>

src/MultiShop/Shared/ProductListingInfo.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 
-namespace MultiShop.DataStructures
+namespace MultiShop.Shared
 {
     public class ProductListingInfo
     {

src/MultiShop/Shared/ResultCategoryExtensions.cs

@@ -1,8 +1,6 @@
 using System;
-using System.ComponentModel;
-using MultiShop.ShopFramework;
 
-namespace MultiShop.DataStructures
+namespace MultiShop.Shared
 {
     public static class ResultCategoryExtensions
     {

src/MultiShop/Shared/ResultsProfile.cs

@@ -2,7 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 
-namespace MultiShop.DataStructures
+namespace MultiShop.Shared
 {
     public class ResultsProfile
     {

src/MultiShop/Shared/SearchProfile.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 
-namespace MultiShop.DataStructures
+namespace MultiShop.Shared
 {
     public class SearchProfile
     {

src/MultiShop/Shared/WeatherForecast.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace MultiShop.Shared
+{
+    public class WeatherForecast
+    {
+        public DateTime Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public string Summary { get; set; }
+
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+    }
+}

src/MultiShop/wwwroot/appsettings.json

@@ -1,5 +0,0 @@
-{
-    "LogLevel" : "Debug",
-    "ModulesDir" : "modules/",
-    "ModulesList" : "modules/modules_content.json"
-}

src/MultiShop/wwwroot/modules/gen_metadata.py

@@ -1,14 +0,0 @@
-import os
-import json
-
-modulepaths = []
-
-for content in os.listdir(os.getcwd()):
-    components = os.path.splitext(content)
-    if (os.path.isfile(content) and  components[1] == ".dll"):
-        print("Adding \"{0}\" to list of modules.".format(components[0]))
-        modulepaths.append(components[0])
-
-file = open("modules_content.json", "w")
-json.dump(modulepaths, file, sort_keys=True, indent=4)
-file.close()

src/MultiShop/wwwroot/modules/modules_content.json

@@ -1,5 +0,0 @@
-[
-    "HtmlAgilityPack",
-    "AliExpressShop",
-    "BanggoodShop"
-]

test/MultiShop.Shop/AliExpressModule.Tests/MultiShop.Shop.AliExpressModule.Tests.csproj

@@ -20,8 +20,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\src\AliExpressShop\AliExpressShop.csproj" />
+    <ProjectReference Include="..\..\..\SimpleLogger\SimpleLogger.csproj" />
-    <ProjectReference Include="..\..\SimpleLogger\SimpleLogger.csproj" />
+    <ProjectReference Include="..\..\..\src\MultiShop.Shop\AliExpressModule\MultiShop.Shop.AliExpressModule.csproj" />
   </ItemGroup>
 
 </Project>

test/MultiShop.Shop/AliExpressModule.Tests/ShopTest.cs

@@ -1,9 +1,9 @@
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 using SimpleLogger;
 using Xunit;
 using Xunit.Abstractions;
 
-namespace AliExpressShop.Tests
+namespace MultiShop.Shop.AliExpressModule.Tests
 {
     public class ShopTest
     {

test/MultiShop.Shop/AliExpressModule.Tests/XUnitLogger.cs

@@ -2,7 +2,7 @@ using System;
 using SimpleLogger;
 using Xunit.Abstractions;
 
-namespace AliExpressShop
+namespace MultiShop.Shop.AliExpressModule
 {
     public class XUnitLogger : ILogReceiver
     {

test/MultiShop.Shop/BanggoodModule.Tests/MultiShop.Shop.BanggoodModule.Tests.csproj

@@ -20,8 +20,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\src\BanggoodShop\BanggoodShop.csproj" />
+    <ProjectReference Include="..\..\..\src\MultiShop.Shop\BanggoodModule\MultiShop.Shop.BanggoodModule.csproj" />
-    <ProjectReference Include="..\..\SimpleLogger\SimpleLogger.csproj" />
+    <ProjectReference Include="..\..\..\SimpleLogger\SimpleLogger.csproj" />
   </ItemGroup>
 
 </Project>

test/MultiShop.Shop/BanggoodModule.Tests/ShopTest.cs

@@ -1,9 +1,9 @@
-using MultiShop.ShopFramework;
+using MultiShop.Shop.Framework;
 using SimpleLogger;
 using Xunit;
 using Xunit.Abstractions;
 
-namespace BanggoodShop.Tests
+namespace MultiShop.Shop.BanggoodModule.Tests
 {
     public class ShopTest
     {
@@ -12,7 +12,6 @@ namespace BanggoodShop.Tests
             Logger.AddLogListener(new XUnitLogger(output));
         }
 
-
         [Fact]
         public async void Search_CAD_ResultsFound()
         {

test/MultiShop.Shop/BanggoodModule.Tests/XUnitLogger.cs

@@ -2,7 +2,7 @@ using System;
 using SimpleLogger;
 using Xunit.Abstractions;
 
-namespace BanggoodShop
+namespace MultiShop.Shop.BanggoodModule
 {
     public class XUnitLogger : ILogReceiver
     {