Add support for non-image attachments

DiscordChatExporter/Models/Attachment.cs

@@ -8,14 +8,14 @@
 
         public string FileName { get; }
 
-        public long ContentLength { get; }
+        public bool IsImage { get; }
 
-        public Attachment(string id, string url, string fileName, long contentLength)
+        public Attachment(string id, string url, string fileName, bool isImage)
         {
             Id = id;
             Url = url;
             FileName = fileName;
-            ContentLength = contentLength;
+            IsImage = isImage;
         }
     }
 }

DiscordChatExporter/Services/DiscordApiService.cs

@@ -37,9 +37,9 @@ namespace DiscordChatExporter.Services
                     string attachmentId = attachmentJson.Value<string>("id");
                     string attachmentUrl = attachmentJson.Value<string>("url");
                     string attachmentFileName = attachmentJson.Value<string>("filename");
-                    long attachmentContentLength = attachmentJson.Value<long>("size");
+                    bool attachmentIsImage = attachmentJson["width"] != null;
 
-                    var attachment = new Attachment(attachmentId, attachmentUrl, attachmentFileName, attachmentContentLength);
+                    var attachment = new Attachment(attachmentId, attachmentUrl, attachmentFileName, attachmentIsImage);
                     attachments.Add(attachment);
                 }
 

DiscordChatExporter/Services/ExportService.cs

@@ -164,11 +164,22 @@ namespace DiscordChatExporter.Services
                         // Attachments
                         foreach (var attachment in message.Attachments)
                         {
-                            messageBodyHtml.AppendChild(
-                                HtmlNode.CreateNode("<div class=\"msg-attachment\">" +
-                                                    $"<a href=\"{attachment.Url}\">" +
-                                                    $"<img class=\"msg-attachment\" src=\"{attachment.Url}\" />" +
-                                                    "</a></div>"));
+                            if (attachment.IsImage)
+                            {
+                                messageBodyHtml.AppendChild(
+                                    HtmlNode.CreateNode("<div class=\"msg-attachment\">" +
+                                                        $"<a href=\"{attachment.Url}\">" +
+                                                        $"<img class=\"msg-attachment\" src=\"{attachment.Url}\" />" +
+                                                        "</a></div>"));
+                            }
+                            else
+                            {
+                                messageBodyHtml.AppendChild(
+                                    HtmlNode.CreateNode("<div class=\"msg-attachment\">" +
+                                                        $"<a href=\"{attachment.Url}\">" +
+                                                        $"Attachment: {attachment.FileName}" +
+                                                        "</a></div>"));
+                            }
                         }
                     }
                 }