v3: allow users to edit dump thumbnail, fixed some linter errors in the frontend

api/model/db.ts

@@ -79,6 +79,7 @@ export interface DumpRow {
   vote_count: number;
   comment_count: number;
   is_private: number;
+  custom_thumbnail_mime: string | null;
   [key: string]: SQLOutputValue; // Index signature
 }
 
@@ -126,7 +127,10 @@ export function isDumpRow(obj: unknown): obj is DumpRow {
     (typeof obj.file_size === "number" || obj.file_size === null) &&
     "vote_count" in obj && typeof obj.vote_count === "number" &&
     "comment_count" in obj && typeof obj.comment_count === "number" &&
-    "is_private" in obj && typeof obj.is_private === "number";
+    "is_private" in obj && typeof obj.is_private === "number" &&
+    "custom_thumbnail_mime" in obj &&
+    (typeof obj.custom_thumbnail_mime === "string" ||
+      obj.custom_thumbnail_mime === null);
 }
 
 export function isUserRow(obj: unknown): obj is UserRow {
@@ -172,6 +176,7 @@ export function dumpRowToApi(row: DumpRow): Dump {
     voteCount: row.vote_count,
     commentCount: row.comment_count,
     isPrivate: Boolean(row.is_private),
+    thumbnailMime: row.custom_thumbnail_mime ?? undefined,
   };
 }
 
@@ -193,6 +198,7 @@ export function dumpApiToRow(dump: Dump): DumpRow {
     vote_count: dump.voteCount,
     comment_count: dump.commentCount,
     is_private: dump.isPrivate ? 1 : 0,
+    custom_thumbnail_mime: dump.thumbnailMime ?? null,
   };
 }
 

api/model/interfaces.ts

@@ -32,6 +32,7 @@ export interface Dump {
   voteCount: number;
   commentCount: number;
   isPrivate: boolean;
+  thumbnailMime?: string;
 }
 
 /**