From ae8a4ba476664801f243bca1fc6cd89d99ae7da8 Mon Sep 17 00:00:00 2001
From: Jake Mannens <jake@asger.xyz>
Date: Tue, 26 Sep 2023 00:26:07 +1000
Subject: Added filename source decoding

---
 Pages/ViewMedia.razor     | 12 +++++++++++-
 Program.cs                |  1 +
 Services/SourceService.cs | 20 ++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 Services/SourceService.cs

diff --git a/Pages/ViewMedia.razor b/Pages/ViewMedia.razor
index f1270f2..ce9d608 100644
--- a/Pages/ViewMedia.razor
+++ b/Pages/ViewMedia.razor
@@ -4,6 +4,7 @@
 @inject IDbContextFactory<HBContext> dbFactory
 @inject ITagService tagService
 @inject IMediaService mediaService
+@inject ISourceService sourceService
 @attribute [Authorize]
 
 <PageTitle>@title</PageTitle>
@@ -55,6 +56,9 @@
                         <th>Original Checksum</th>
                     </tr>
                     @foreach(var file in media.UploadedFiles.OrderByDescending(uf => uf.UploadTime)) {
+                        string? sourceUrl = null;
+                        if(file.Filename is not null)
+                            sourceUrl = sourceService.GetUrlFromFilename(file.Filename);
                         <tr>
                             <td title=@file.CreateTime?.ToString()>
                                 @(file.CreateTime?.ToString("d") ?? "N/A")
@@ -63,7 +67,13 @@
                                 @(file.LastWriteTime?.ToString("d") ?? "N/A")
                             </td>
                             <td title=@file.UploadTime>@(file.UploadTime.ToString("d"))</td>
-                            <td title=@file.Filename>@file.Filename</td>
+                            <td title=@file.Filename>
+                                @if(sourceUrl is not null) {
+                                    <a class="nondecorated" target="_blank" href=@sourceUrl>@file.Filename</a>
+                                } else {
+                                    @file.Filename
+                                }
+                            </td>
                             <td title=@file.Length>@file.Length.ToBytesSI()</td>
                             <td
                                 title=@(file.Checksum + (file.ChecksumVerified ? " (verified)" : ""))
diff --git a/Program.cs b/Program.cs
index 79fe8fa..f80b996 100644
--- a/Program.cs
+++ b/Program.cs
@@ -28,6 +28,7 @@ public class Program {
         builder.Services.AddSingleton<IGlobalUserService, GlobalUserService>();
         builder.Services.AddScoped<IUserService, UserService>();
         builder.Services.AddHostedService<OcrService>();
+        builder.Services.AddSingleton<ISourceService, SourceService>();
 
         var app = builder.Build();
 
diff --git a/Services/SourceService.cs b/Services/SourceService.cs
new file mode 100644
index 0000000..d145346
--- /dev/null
+++ b/Services/SourceService.cs
@@ -0,0 +1,20 @@
+using System.Text.RegularExpressions;
+
+namespace HyperBooru.Services;
+
+public interface ISourceService {
+    public string? GetUrlFromFilename(string filename);
+}
+
+public class SourceService : ISourceService {
+    private Regex PixivRegex =
+        new(@"^([0-9]+)_p[0-9]+(_master1200)?\.[^.]+$", RegexOptions.Compiled);
+
+    public string? GetUrlFromFilename(string filename) {
+        var pixivMatch = PixivRegex.Match(filename);
+        if(pixivMatch.Success)
+            return $"https://pixiv.net/en/artworks/{pixivMatch.Groups[1].Value}";
+
+        return null;
+    }
+}
-- 
cgit v1.3