part of group messages history

database.go

@@ -83,6 +83,16 @@ func DbInit(ctx context.Context) {
 		panic(err)
 	}
 
+	_, err = dbConn.Exec(ctx, `
+		CREATE TABLE IF NOT EXISTS chat_messages (
+			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			sender_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+			group_id UUID NOT NULL REFERENCES chat_groups(id) ON DELETE CASCADE,
+			created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+			content TEXT NOT NULL	
+		)
+	`)
+
 	_, err = dbConn.Exec(ctx, `
 		CREATE TABLE IF NOT EXISTS chat_group_members (
 			group_id UUID NOT NULL REFERENCES chat_groups(id) ON DELETE CASCADE,
@@ -380,3 +390,5 @@ func DbGroupSetOwnerId(ctx context.Context, group *Group) error {
 
 	return err
 }
+
+DbGroup