Added Epic as a link source

HerrKnarz · Nov 1, 2022 · 13292e2 · 13292e2
1 parent af25d08
commit 13292e2
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Showing 10 changed files with 171 additions and 6 deletions.
diff --git a/Source/LinkUtilities.csproj b/Source/LinkUtilities.csproj
@@ -38,6 +38,7 @@
     <Reference Include="System.Core" />
     <Reference Include="System.Numerics" />
     <Reference Include="System.Web.Extensions" />
+    <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -59,6 +60,7 @@
     <Compile Include="Linker\ILink.cs" />
     <Compile Include="Linker\Link.cs" />
     <Compile Include="Linker\LinkAndLibrary.cs" />
+    <Compile Include="Linker\LinkSources\LinkEpic.cs" />
     <Compile Include="Linker\LinkSources\LinkMetacritic.cs" />
     <Compile Include="Linker\LinkSources\LinkHG101.cs" />
     <Compile Include="Linker\LinkSources\LinkMobyGames.cs" />
@@ -71,6 +73,7 @@
     <Compile Include="Linker\Links.cs" />
     <Compile Include="Linker\LinkSources\LinkWikipedia.cs" />
     <Compile Include="Logging.cs" />
+    <Compile Include="Models\EpicSearchResult.cs" />
     <Compile Include="Models\GogSearchResult.cs" />
     <Compile Include="Models\ItchMetaData.cs" />
     <Compile Include="Models\GogMetaData.cs" />

diff --git a/Source/Linker/Libraries/LibraryLinkGog.cs b/Source/Linker/Libraries/LibraryLinkGog.cs
@@ -10,7 +10,7 @@
 namespace LinkUtilities.Linker
 {
     /// <summary>
-    /// Adds a link to the gog page of the game, if it is part of the steam library.
+    /// Adds a link to GOG.
     /// </summary>
     class LibraryLinkGog : LinkAndLibrary
     {

diff --git a/Source/Linker/Libraries/LibraryLinkItch.cs b/Source/Linker/Libraries/LibraryLinkItch.cs
@@ -10,7 +10,7 @@
 namespace LinkUtilities.Linker
 {
     /// <summary>
-    /// Adds a link to the itch.io page of the game, if it is part of the steam library.
+    /// Adds a link to itch.io.
     /// </summary>
     class LibraryLinkItch : LinkAndLibrary
     {

diff --git a/Source/Linker/Libraries/LibraryLinkSteam.cs b/Source/Linker/Libraries/LibraryLinkSteam.cs
@@ -10,7 +10,7 @@
 namespace LinkUtilities.Linker
 {
     /// <summary>
-    /// Adds a link to the steam page of the game, if it is part of the steam library.
+    /// Adds a link to Steam.
     /// </summary>
     class LibraryLinkSteam : LinkAndLibrary
     {

diff --git a/Source/Linker/LinkSources/LinkEpic.cs b/Source/Linker/LinkSources/LinkEpic.cs
@@ -0,0 +1,104 @@
+using LinkUtilities.Helper;
+using LinkUtilities.Models;
+using LinkUtilities.Models.Epic;
+using Playnite.SDK;
+using Playnite.SDK.Models;
+using System;
+using System.Collections.Generic;
+using System.Net;
+using System.Text;
+
+namespace LinkUtilities.Linker
+{
+    class LinkEpic : Link
+    {
+        public override string LinkName { get; } = "Epic";
+        public override string BaseUrl { get; } = "https://store.epicgames.com/en-US/p/";
+        public override string SearchUrl { get; } = "https://www.epicgames.com/graphql?query={Catalog{searchStore(keywords:%22{SearchString}%22,category:%22games/edition%22,effectiveDate:%22[1900-01-01,{DateUntil}]%22,count:100){elements{title%20urlSlug%20seller{name}}}}}";
+
+        private readonly string CheckUrl = "https://store-content-ipv4.ak.epicgames.com/api/en-US/content/products/";
+
+        public override string GetGamePath(Game game)
+        {
+            // Epic Links need the game name in lowercase without special characters and underscores instead of white spaces.
+            return game.Name.RemoveDiacritics()
+                .RemoveSpecialChars()
+                .CollapseWhitespaces()
+                .Replace(" ", "-")
+                .ToLower();
+        }
+
+        public override bool AddLink(Game game)
+        {
+            // Unfortunately Epic returns the status code forbidden, when trying to check the url, because they want cookies and
+            // javascipt active. Fortunately we can use the game slug in the store api. If it doesn't return an error, there should also
+            // be a link with that slug.
+            string gameSlug = GetGamePath(game);
+            string url = $"{CheckUrl}{gameSlug}";
+
+            WebClient client = new WebClient() { Encoding = Encoding.UTF8 };
+            client.Headers.Add("Accept", "application/json");
+
+            try
+            {
+                string _ = client.DownloadString(url);
+                LinkUrl = $"{BaseUrl}{gameSlug}";
+                return LinkHelper.AddLink(game, LinkName, LinkUrl, Settings);
+            }
+            catch
+            {
+                LinkUrl = string.Empty;
+                return false;
+            }
+        }
+
+        public override List<GenericItemOption> SearchLink(string searchTerm)
+        {
+            SearchResults.Clear();
+
+            try
+            {
+                WebClient client = new WebClient() { Encoding = Encoding.UTF8 };
+
+                client.Headers.Add("Accept", "application/json");
+
+                // We use replace instead of format, because the url already contains several braces.
+                string url = SearchUrl
+                    .Replace("{SearchString}", searchTerm.UrlEncode())
+                    .Replace("{DateUntil}", DateTime.Now.AddDays(5).ToString("yyyy-MM-dd"));
+
+                string jsonResult = client.DownloadString(url);
+
+                EpicSearchResult epicSearchResult = Newtonsoft.Json.JsonConvert.DeserializeObject<EpicSearchResult>(jsonResult);
+
+                int counter = 0;
+
+                foreach (Element element in epicSearchResult.Data.Catalog.SearchStore.Elements)
+                {
+                    counter++;
+
+                    if (!string.IsNullOrEmpty(element.UrlSlug))
+                    {
+                        SearchResults.Add(new SearchResult
+                        {
+                            Name = $"{counter}. {element.Title}",
+                            Url = $"{BaseUrl}{element.UrlSlug}",
+                            Description = element.Seller.Name
+                        }
+                        );
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, $"Error loading data from {LinkName}");
+            }
+
+            return base.SearchLink(searchTerm);
+        }
+
+        public LinkEpic(LinkUtilitiesSettings settings) : base(settings)
+        {
+        }
+    }
+}
diff --git a/Source/Linker/LinkSources/LinkHG101.cs b/Source/Linker/LinkSources/LinkHG101.cs
@@ -10,7 +10,7 @@
 namespace LinkUtilities.Linker
 {
     /// <summary>
-    /// Adds a link to MobyGames.
+    /// Adds a link to Hardcore Gaming 101.
     /// </summary>
     class LinkHG101 : Link
     {

diff --git a/Source/Linker/LinkSources/LinkMetacritic.cs b/Source/Linker/LinkSources/LinkMetacritic.cs
@@ -8,7 +8,7 @@
 namespace LinkUtilities.Linker
 {
     /// <summary>
-    /// Adds a link to MobyGames.
+    /// Adds a link to Metacritic.
     /// </summary>
     class LinkMetacritic : Link
     {

diff --git a/Source/Linker/Links.cs b/Source/Linker/Links.cs
@@ -9,6 +9,7 @@ public class Links : List<Link>
     {
         public Links(LinkUtilitiesSettings settings)
         {
+            Add(new LinkEpic(settings));
             Add(new LibraryLinkGog(settings));
             Add(new LinkHG101(settings));
             if (!string.IsNullOrWhiteSpace(settings.ItchApiKey))

diff --git a/Source/Logging.cs b/Source/Logging.cs
@@ -31,7 +31,7 @@ public static void Error(Exception ex, string Message = "", bool showDialog = fa
                 Message = $"Error on {traceInfos.InitialCaller}()";
             }
 
-            Message += $"{Message}|{traceInfos.FileName}|{traceInfos.LineNumber}";
+            Message += $"|{traceInfos.FileName}|{traceInfos.LineNumber}";
 
             logger.Error(ex, $"{Message}");
 

diff --git a/Source/Models/EpicSearchResult.cs b/Source/Models/EpicSearchResult.cs
@@ -0,0 +1,57 @@
+using Newtonsoft.Json;
+using System.Collections.Generic;
+
+// Contains all the classes needed to deserialize the JSON fetched from the Epic graphql api.
+namespace LinkUtilities.Models.Epic
+{
+    public class Catalog
+    {
+        [JsonProperty("searchStore")]
+        public SearchStore SearchStore;
+    }
+
+    public class Data
+    {
+        [JsonProperty("Catalog")]
+        public Catalog Catalog;
+    }
+
+    public class Element
+    {
+        [JsonProperty("title")]
+        public string Title;
+
+        [JsonProperty("urlSlug")]
+        public string UrlSlug;
+
+        [JsonProperty("seller")]
+        public Seller Seller;
+    }
+
+    public class Extensions
+    {
+    }
+
+    public class EpicSearchResult
+    {
+        [JsonProperty("data")]
+        public Data Data;
+
+        [JsonProperty("extensions")]
+        public Extensions Extensions;
+    }
+
+    public class SearchStore
+    {
+        [JsonProperty("elements")]
+        public List<Element> Elements;
+    }
+
+    public class Seller
+    {
+        [JsonProperty("name")]
+        public string Name;
+    }
+
+
+}