v2: global player, infinite scroll, image picker, threaded comments

api/model/db.ts

@@ -1,5 +1,6 @@
 import { DatabaseSync, type SQLOutputValue } from "node:sqlite";
 import {
+  type Comment,
   Dump,
   type Playlist,
   type RichContent,
@@ -9,6 +10,32 @@ import {
 export const db = new DatabaseSync("api/sql/gerbeur.db");
 db.exec("PRAGMA foreign_keys = ON;");
 
+// Migration: add is_private column if it doesn't exist yet
+try {
+  db.exec(`ALTER TABLE dumps ADD COLUMN is_private INTEGER NOT NULL DEFAULT 0;`);
+} catch { /* column already exists */ }
+
+// Migration: create comments table if it doesn't exist yet
+try {
+  db.exec(`CREATE TABLE IF NOT EXISTS comments (
+    id TEXT PRIMARY KEY,
+    dump_id TEXT NOT NULL REFERENCES dumps(id) ON DELETE CASCADE,
+    user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    parent_id TEXT REFERENCES comments(id) ON DELETE CASCADE,
+    body TEXT NOT NULL,
+    created_at TEXT NOT NULL,
+    deleted INTEGER NOT NULL DEFAULT 0
+  );`);
+  db.exec(`CREATE INDEX IF NOT EXISTS idx_comments_dump ON comments(dump_id, created_at);`);
+  db.exec(`CREATE INDEX IF NOT EXISTS idx_votes_user ON votes(user_id);`);
+  db.exec(`CREATE INDEX IF NOT EXISTS idx_playlist_dumps_dump ON playlist_dumps(dump_id);`);
+} catch { /* already exists */ }
+
+// Migration: add deleted column to comments if it doesn't exist yet
+try {
+  db.exec(`ALTER TABLE comments ADD COLUMN deleted INTEGER NOT NULL DEFAULT 0;`);
+} catch { /* column already exists */ }
+
 /**
  * Database Row Types
  */
@@ -26,6 +53,8 @@ export interface DumpRow {
   file_mime: string | null;
   file_size: number | null;
   vote_count: number;
+  comment_count?: number;
+  is_private: number;
   [key: string]: SQLOutputValue; // Index signature
 }
 
@@ -62,7 +91,8 @@ export function isDumpRow(obj: Record<string, SQLOutputValue>): obj is DumpRow {
     (typeof obj.file_mime === "string" || obj.file_mime === null) &&
     "file_size" in obj &&
     (typeof obj.file_size === "number" || obj.file_size === null) &&
-    "vote_count" in obj && typeof obj.vote_count === "number";
+    "vote_count" in obj && typeof obj.vote_count === "number" &&
+    "is_private" in obj && typeof obj.is_private === "number";
 }
 
 export function isUserRow(obj: Record<string, SQLOutputValue>): obj is UserRow {
@@ -97,6 +127,8 @@ export function dumpRowToApi(row: DumpRow): Dump {
     fileMime: row.file_mime ?? undefined,
     fileSize: row.file_size ?? undefined,
     voteCount: row.vote_count,
+    commentCount: row.comment_count ?? 0,
+    isPrivate: Boolean(row.is_private),
   };
 }
 
@@ -114,6 +146,7 @@ export function dumpApiToRow(dump: Dump): DumpRow {
     file_mime: dump.fileMime ?? null,
     file_size: dump.fileSize ?? null,
     vote_count: dump.voteCount,
+    is_private: dump.isPrivate ? 1 : 0,
   };
 }
 
@@ -139,6 +172,46 @@ export function userApiToRow(user: User): UserRow {
   };
 }
 
+export interface CommentRow {
+  id: string;
+  dump_id: string;
+  user_id: string;
+  parent_id: string | null;
+  body: string;
+  created_at: string;
+  deleted: number;
+  author_username: string;
+  author_avatar_mime: string | null;
+  [key: string]: SQLOutputValue;
+}
+
+export function isCommentRow(obj: Record<string, SQLOutputValue>): obj is CommentRow {
+  return !!obj && typeof obj === "object" &&
+    typeof obj.id === "string" &&
+    typeof obj.dump_id === "string" &&
+    typeof obj.user_id === "string" &&
+    (typeof obj.parent_id === "string" || obj.parent_id === null) &&
+    typeof obj.body === "string" &&
+    typeof obj.created_at === "string" &&
+    typeof obj.deleted === "number" &&
+    typeof obj.author_username === "string" &&
+    (typeof obj.author_avatar_mime === "string" || obj.author_avatar_mime === null);
+}
+
+export function commentRowToApi(row: CommentRow): Comment {
+  return {
+    id: row.id,
+    dumpId: row.dump_id,
+    userId: row.user_id,
+    parentId: row.parent_id ?? undefined,
+    body: row.body,
+    createdAt: new Date(row.created_at),
+    deleted: Boolean(row.deleted),
+    authorUsername: row.author_username,
+    authorAvatarMime: row.author_avatar_mime ?? undefined,
+  };
+}
+
 export interface PlaylistRow {
   id: string;
   user_id: string;