[HTML] Special case Spotify embeds

Closes #657

DiscordChatExporter.Cli.Tests/EmbedSpecs.cs

@@ -140,7 +140,41 @@ namespace DiscordChatExporter.Cli.Tests
         }
 
         [Fact]
-        public async Task Message_with_YouTube_video_is_rendered_using_an_iframe_player_in_HTML()
+        public async Task Message_with_a_Spotify_track_is_rendered_using_an_iframe_in_HTML()
+        {
+            // Arrange
+            var outputFilePath = _tempOutput.GetTempFilePath("html");
+
+            // Act
+            var htmlData = await GlobalCache.WrapAsync("embed-specs-output-html", async () =>
+            {
+                await new ExportChannelsCommand
+                {
+                    TokenValue = Secrets.DiscordToken,
+                    IsBotToken = Secrets.IsDiscordTokenBot,
+                    ChannelIds = new[] {Snowflake.Parse(ChannelIds.EmbedTestCases)},
+                    ExportFormat = ExportFormat.HtmlDark,
+                    OutputPath = outputFilePath
+                }.ExecuteAsync(new FakeConsole());
+
+                return await File.ReadAllTextAsync(outputFilePath);
+            });
+
+            _testOutput.WriteLine(htmlData);
+
+            var html = Html.Parse(htmlData);
+
+            var messageHtml = html.QuerySelector("#message-867886632203976775");
+            var iframeHtml = messageHtml?.QuerySelector("iframe");
+
+            // Assert
+            iframeHtml.Should().NotBeNull();
+            iframeHtml?.GetAttribute("src").Should()
+                .StartWithEquivalent("https://open.spotify.com/embed/track/1LHZMWefF9502NPfArRfvP");
+        }
+
+        [Fact]
+        public async Task Message_with_a_YouTube_video_is_rendered_using_an_iframe_in_HTML()
         {
             // Arrange
             var outputFilePath = _tempOutput.GetTempFilePath("html");

DiscordChatExporter.Core/Discord/Data/Embeds/Embed.cs

@@ -7,7 +7,7 @@ using System.Text.Json;
 using DiscordChatExporter.Core.Utils.Extensions;
 using JsonExtensions.Reading;
 
-namespace DiscordChatExporter.Core.Discord.Data
+namespace DiscordChatExporter.Core.Discord.Data.Embeds
 {
     // https://discord.com/developers/docs/resources/channel#embed-object
     public partial class Embed
@@ -56,6 +56,8 @@ namespace DiscordChatExporter.Core.Discord.Data
             Footer = footer;
         }
 
+        public SpotifyTrackEmbedProjection? TryGetSpotifyTrack() => SpotifyTrackEmbedProjection.TryResolve(this);
+
         public YouTubeVideoEmbedProjection? TryGetYouTubeVideo() => YouTubeVideoEmbedProjection.TryResolve(this);
 
         [ExcludeFromCodeCoverage]

DiscordChatExporter.Core/Discord/Data/Embeds/EmbedAuthor.cs

@@ -2,7 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Text.Json;
 using JsonExtensions.Reading;
 
-namespace DiscordChatExporter.Core.Discord.Data
+namespace DiscordChatExporter.Core.Discord.Data.Embeds
 {
     // https://discord.com/developers/docs/resources/channel#embed-object-embed-author-structure
     public partial class EmbedAuthor

DiscordChatExporter.Core/Discord/Data/Embeds/EmbedField.cs

@@ -2,7 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Text.Json;
 using JsonExtensions.Reading;
 
-namespace DiscordChatExporter.Core.Discord.Data
+namespace DiscordChatExporter.Core.Discord.Data.Embeds
 {
     // https://discord.com/developers/docs/resources/channel#embed-object-embed-field-structure
     public partial class EmbedField

DiscordChatExporter.Core/Discord/Data/Embeds/EmbedFooter.cs

@@ -2,7 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Text.Json;
 using JsonExtensions.Reading;
 
-namespace DiscordChatExporter.Core.Discord.Data
+namespace DiscordChatExporter.Core.Discord.Data.Embeds
 {
     // https://discord.com/developers/docs/resources/channel#embed-object-embed-footer-structure
     public partial class EmbedFooter

DiscordChatExporter.Core/Discord/Data/Embeds/EmbedImage.cs

@@ -1,7 +1,7 @@
 using System.Text.Json;
 using JsonExtensions.Reading;
 
-namespace DiscordChatExporter.Core.Discord.Data
+namespace DiscordChatExporter.Core.Discord.Data.Embeds
 {
     // https://discord.com/developers/docs/resources/channel#embed-object-embed-image-structure
     public partial class EmbedImage

DiscordChatExporter.Core/Discord/Data/Embeds/SpotifyTrackEmbedProjection.cs

@@ -0,0 +1,42 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Text.RegularExpressions;
+
+namespace DiscordChatExporter.Core.Discord.Data.Embeds
+{
+    public partial class SpotifyTrackEmbedProjection
+    {
+        public string TrackId { get; }
+
+        public string Url => $"https://open.spotify.com/embed/track/{TrackId}";
+
+        public SpotifyTrackEmbedProjection(string trackId) => TrackId = trackId;
+
+        [ExcludeFromCodeCoverage]
+        public override string ToString() => Url;
+    }
+
+    public partial class SpotifyTrackEmbedProjection
+    {
+        private static string? TryParseTrackId(string embedUrl)
+        {
+            // https://open.spotify.com/track/1LHZMWefF9502NPfArRfvP?si=3efac6ce9be04f0a
+            var trackId = Regex.Match(embedUrl, @"spotify\.com/track/(.*?)(?:\?|&|/|$)").Groups[1].Value;
+            if (!string.IsNullOrWhiteSpace(trackId))
+                return trackId;
+
+            return null;
+        }
+
+        public static SpotifyTrackEmbedProjection? TryResolve(Embed embed)
+        {
+            if (string.IsNullOrWhiteSpace(embed.Url))
+                return null;
+
+            var trackId = TryParseTrackId(embed.Url);
+            if (string.IsNullOrWhiteSpace(trackId))
+                return null;
+
+            return new SpotifyTrackEmbedProjection(trackId);
+        }
+    }
+}

DiscordChatExporter.Core/Discord/Data/Embeds/YouTubeVideoEmbedProjection.cs

@@ -1,7 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Text.RegularExpressions;
 
-namespace DiscordChatExporter.Core.Discord.Data
+namespace DiscordChatExporter.Core.Discord.Data.Embeds
 {
     public partial class YouTubeVideoEmbedProjection
     {

DiscordChatExporter.Core/Discord/Data/Message.cs

@@ -4,6 +4,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json;
 using DiscordChatExporter.Core.Discord.Data.Common;
+using DiscordChatExporter.Core.Discord.Data.Embeds;
 using DiscordChatExporter.Core.Utils.Extensions;
 using JsonExtensions.Reading;
 

DiscordChatExporter.Core/Exporting/Writers/Html/MessageGroupTemplate.cshtml

@@ -176,8 +176,18 @@
                 @{/* Embeds */}
                 @foreach (var embed in message.Embeds)
                 {
-                    var youTubeVideo = embed.TryGetYouTubeVideo();
-
+                    // Spotify embed
+                    if (embed.TryGetSpotifyTrack() is { } spotifyTrackEmbed)
+                    {
+                        <div class="chatlog__embed">
+                            <div class="chatlog__embed-spotify-container">
+                                <iframe class="chatlog__embed-spotify" src="@spotifyTrackEmbed.Url" width="400" height="80" allowtransparency="true" allow="encrypted-media"></iframe>
+                            </div>
+                        </div>
+                    }
+                    // YouTube embed
+                    else if (embed.TryGetYouTubeVideo() is { } youTubeVideoEmbed)
+                    {
                         <div class="chatlog__embed">
                             @{/* Color pill */}
                             @if (embed.Color is not null)
@@ -234,14 +244,76 @@
                                             </div>
                                         }
 
-                                    @{/* Embed description (with special casing for YouTube videos) */}
-                                    @if (youTubeVideo is not null)
-                                    {
+                                        @{/* Video player */}
                                         <div class="chatlog__embed-youtube-container">
-                                            <iframe class="chatlog__embed-youtube" src="@youTubeVideo.Url" width="400" height="225"></iframe>
+                                            <iframe class="chatlog__embed-youtube" src="@youTubeVideoEmbed.Url" width="400" height="225"></iframe>
+                                        </div>
                                     </div>
+                                </div>
+                            </div>
+                        </div>
+                    }
+                    // Generic embed
+                    else
+                    {
+                        <div class="chatlog__embed">
+                            @{/* Color pill */}
+                            @if (embed.Color is not null)
+                            {
+                                <div class="chatlog__embed-color-pill" style="background-color: rgba(@embed.Color?.R,@embed.Color?.G,@embed.Color?.B,@embed.Color?.A)"></div>
                             }
-                                    else if (!string.IsNullOrWhiteSpace(embed.Description))
+                            else
+                            {
+                                <div class="chatlog__embed-color-pill chatlog__embed-color-pill--default"></div>
+                            }
+
+                            <div class="chatlog__embed-content-container">
+                                <div class="chatlog__embed-content">
+                                    <div class="chatlog__embed-text">
+                                        @{/* Embed author */}
+                                        @if (embed.Author is not null)
+                                        {
+                                            <div class="chatlog__embed-author">
+                                                @if (!string.IsNullOrWhiteSpace(embed.Author.IconUrl))
+                                                {
+                                                    <img class="chatlog__embed-author-icon" src="@await ResolveUrlAsync(embed.Author.IconProxyUrl ?? embed.Author.IconUrl)" alt="Author icon" loading="lazy" onerror="this.style.visibility='hidden'">
+                                                }
+
+                                                @if (!string.IsNullOrWhiteSpace(embed.Author.Name))
+                                                {
+                                                    <span class="chatlog__embed-author-name">
+                                                        @if (!string.IsNullOrWhiteSpace(embed.Author.Url))
+                                                        {
+                                                            <a class="chatlog__embed-author-name-link" href="@embed.Author.Url">@embed.Author.Name</a>
+                                                        }
+                                                        else
+                                                        {
+                                                            @embed.Author.Name
+                                                        }
+                                                    </span>
+                                                }
+                                            </div>
+                                        }
+
+                                        @{/* Embed title */}
+                                        @if (!string.IsNullOrWhiteSpace(embed.Title))
+                                        {
+                                            <div class="chatlog__embed-title">
+                                                @if (!string.IsNullOrWhiteSpace(embed.Url))
+                                                {
+                                                    <a class="chatlog__embed-title-link" href="@embed.Url">
+                                                        <div class="markdown preserve-whitespace">@Raw(FormatEmbedMarkdown(embed.Title))</div>
+                                                    </a>
+                                                }
+                                                else
+                                                {
+                                                    <div class="markdown preserve-whitespace">@Raw(FormatEmbedMarkdown(embed.Title))</div>
+                                                }
+                                            </div>
+                                        }
+
+                                        @{/* Embed description */}
+                                        @if (!string.IsNullOrWhiteSpace(embed.Description))
                                         {
                                             <div class="chatlog__embed-description">
                                                 <div class="markdown preserve-whitespace">@Raw(FormatEmbedMarkdown(embed.Description))</div>
@@ -274,8 +346,8 @@
                                         }
                                     </div>
 
-                                @{/* Embed content (not shown for YouTube videos) */}
-                                @if (embed.Thumbnail is not null && !string.IsNullOrWhiteSpace(embed.Thumbnail.Url) && youTubeVideo is null)
+                                    @{/* Embed content */}
+                                    @if (embed.Thumbnail is not null && !string.IsNullOrWhiteSpace(embed.Thumbnail.Url))
                                     {
                                         <div class="chatlog__embed-thumbnail-container">
                                             <a class="chatlog__embed-thumbnail-link" href="@await ResolveUrlAsync(embed.Thumbnail.ProxyUrl ?? embed.Thumbnail.Url)">
@@ -328,6 +400,7 @@
                             </div>
                         </div>
                     }
+                }
 
                 @{/* Message reactions */}
                 @if (message.Reactions.Any())

DiscordChatExporter.Core/Exporting/Writers/Html/PreambleTemplate.cshtml

@@ -558,6 +558,10 @@
             font-weight: 500;
         }
 
+        .chatlog__embed-spotify {
+            border: 0;
+        }
+
         .chatlog__embed-youtube-container {
             margin-top: 0.6em;
         }

DiscordChatExporter.Core/Exporting/Writers/JsonMessageWriter.cs

@@ -3,6 +3,7 @@ using System.Text.Encodings.Web;
 using System.Text.Json;
 using System.Threading.Tasks;
 using DiscordChatExporter.Core.Discord.Data;
+using DiscordChatExporter.Core.Discord.Data.Embeds;
 using DiscordChatExporter.Core.Exporting.Writers.MarkdownVisitors;
 using DiscordChatExporter.Core.Utils.Extensions;
 using JsonExtensions.Writing;

DiscordChatExporter.Core/Exporting/Writers/PlainTextMessageWriter.cs

@@ -3,6 +3,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using DiscordChatExporter.Core.Discord.Data;
+using DiscordChatExporter.Core.Discord.Data.Embeds;
 using DiscordChatExporter.Core.Exporting.Writers.MarkdownVisitors;
 using Tyrrrz.Extensions;