Initial move

backend/migrations/2_localtime.sql

@@ -0,0 +1,52 @@
+-- 1. Create a backup of the existing tables
+CREATE TABLE channels_backup AS SELECT * FROM channels;
+CREATE TABLE files_backup AS SELECT * FROM files;
+CREATE TABLE messages_backup AS SELECT * FROM messages;
+
+-- 2. Drop the existing tables
+DROP TABLE channels;
+DROP TABLE files;
+DROP TABLE messages;
+
+-- 3. Recreate the tables with the updated schema
+CREATE TABLE IF NOT EXISTS channels (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    createdAt DATETIME DEFAULT (datetime('now', 'localtime'))
+);
+
+CREATE TABLE IF NOT EXISTS files (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    channelId INTEGER,
+    filePath TEXT,
+    fileType TEXT,
+    fileSize INTEGER,
+    originalName TEXT,
+    createdAt DATETIME DEFAULT (datetime('now', 'localtime')),
+    FOREIGN KEY (channelId) REFERENCES channels (id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS messages (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    channelId INTEGER,
+    content TEXT,
+    fileId INTEGER NULL,
+    createdAt DATETIME DEFAULT (datetime('now', 'localtime')),
+    FOREIGN KEY (channelId) REFERENCES channels (id) ON DELETE CASCADE,
+    FOREIGN KEY (fileId) REFERENCES files (id) ON DELETE SET NULL
+);
+
+-- 4. Migrate the data back from the backup tables
+INSERT INTO channels (id, name, createdAt)
+SELECT id, name, createdAt FROM channels_backup;
+
+INSERT INTO files (id, channelId, filePath, fileType, fileSize, originalName, createdAt)
+SELECT id, channelId, filePath, fileType, fileSize, originalName, createdAt FROM files_backup;
+
+INSERT INTO messages (id, channelId, content, fileId, createdAt)
+SELECT id, channelId, content, fileId, createdAt FROM messages_backup;
+
+-- 5. Drop the backup tables
+DROP TABLE channels_backup;
+DROP TABLE files_backup;
+DROP TABLE messages_backup;