[FA-6] Author's posts seem to work

FictionArchive.Service.NovelService/Services/SourceAdapters/Novelpia/NovelpiaAdapter.cs

@@ -132,7 +132,10 @@ public class NovelpiaAdapter : ISourceAdapter
         {
             novel.SourceTags.Add(tag);
         }
-        
+
+        // Author's posts (from notice_table in the page HTML)
+        var authorsPosts = ParseAuthorsPosts(novelData);
+
         // Chapters
         uint page = 0;
         List<ChapterMetadata> chapters = new List<ChapterMetadata>();
@@ -169,16 +172,24 @@ public class NovelpiaAdapter : ISourceAdapter
             page++;
         }
 
-        // Wrap all chapters in a single "Main Story" volume
-        novel.Volumes = new List<VolumeMetadata>
+        // Add Author's Posts volume if there are any
+        if (authorsPosts.Count > 0)
         {
-            new VolumeMetadata
+            novel.Volumes.Add(new VolumeMetadata
             {
-                Order = 1,
-                Name = "Main Story",
-                Chapters = chapters
-            }
-        };
+                Order = 0,
+                Name = "Author's Posts",
+                Chapters = authorsPosts
+            });
+        }
+
+        // Main Story volume
+        novel.Volumes.Add(new VolumeMetadata
+        {
+            Order = 1,
+            Name = "Main Story",
+            Chapters = chapters
+        });
 
         return novel;
     }
@@ -251,4 +262,40 @@ public class NovelpiaAdapter : ISourceAdapter
         }
         return await image.Content.ReadAsByteArrayAsync();
     }
+
+    private List<ChapterMetadata> ParseAuthorsPosts(string novelHtml)
+    {
+        var posts = new List<ChapterMetadata>();
+
+        // Find the notice_table section
+        var noticeTableMatch = Regex.Match(novelHtml,
+            @"(?s)<table[^>]*class=""notice_table[^""]*""[^>]*>(.*?)</table>");
+        if (!noticeTableMatch.Success)
+            return posts;
+
+        var tableContent = noticeTableMatch.Groups[1].Value;
+
+        // Find all td elements with onclick containing viewer URL and extract title from <b>
+        // HTML structure: <td ... onclick="...location='/viewer/3330612';"><b>Title</b>
+        var postMatches = Regex.Matches(tableContent,
+            @"onclick=""[^""]*location='/viewer/(\d+)'[^""]*""[^>]*><b>([^<]+)</b>");
+
+        uint order = 1;
+        foreach (Match match in postMatches)
+        {
+            string viewerId = match.Groups[1].Value;
+            string title = WebUtility.HtmlDecode(match.Groups[2].Value.Trim());
+
+            posts.Add(new ChapterMetadata
+            {
+                Revision = 0,
+                Order = order,
+                Url = $"https://novelpia.com/viewer/{viewerId}",
+                Name = title
+            });
+            order++;
+        }
+
+        return posts;
+    }
 }