refactor(migrations): extract applyMigrations as callable function

src/migrations/apply.ts

@@ -0,0 +1,83 @@
+import type { Database } from "@db/sqlite";
+
+export const applyMigrations = (db: Database): void => {
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS note (
+      title TEXT NOT NULL,
+      publishedAt DATETIME,
+      createdAt DATETIME NOT NULL,
+      did TEXT NOT NULL,
+      rkey TEXT NOT NULL,
+      discoverable INTEGER NOT NULL DEFAULT 1,
+      PRIMARY KEY (did, rkey)
+    );
+  `);
+
+  try {
+    db.exec(
+      `ALTER TABLE note ADD COLUMN listed INTEGER NOT NULL DEFAULT 1;`,
+    );
+  } catch {
+    // Column already exists — no-op
+  }
+
+  try {
+    db.exec(
+      `ALTER TABLE note ADD COLUMN language STRING;`,
+    );
+  } catch {
+    // Column already exists — no-op
+  }
+
+  try {
+    db.exec(`ALTER TABLE note RENAME COLUMN listed TO discoverable;`);
+  } catch {
+    // Column already renamed or doesn't exist — no-op
+  }
+
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS state (
+      key TEXT PRIMARY KEY,
+      value TEXT NOT NULL
+    );
+  `);
+
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS webhook_subscription (
+      id     INTEGER PRIMARY KEY,
+      did    TEXT NOT NULL,
+      method TEXT NOT NULL,
+      url    TEXT NOT NULL
+    );
+  `);
+
+  db.exec(`
+    CREATE INDEX IF NOT EXISTS idx_webhook_subscription_did
+      ON webhook_subscription(did);
+  `);
+
+  try {
+    db.exec(`ALTER TABLE webhook_subscription ADD COLUMN token TEXT;`);
+  } catch {
+    // Column already exists — no-op
+  }
+
+  try {
+    db.exec(
+      `ALTER TABLE webhook_subscription ADD COLUMN verb TEXT NOT NULL DEFAULT 'create';`,
+    );
+    db.exec(`
+      INSERT INTO webhook_subscription (did, method, url, token, verb)
+      SELECT did, method, url, token, 'delete'
+      FROM webhook_subscription
+      WHERE verb = 'create';
+    `);
+  } catch {
+    // Column already exists — backfill already happened on a previous run.
+  }
+
+  db.exec(`
+    CREATE INDEX IF NOT EXISTS idx_webhook_subscription_did_verb
+      ON webhook_subscription(did, verb);
+  `);
+};

src/migrations/init.ts

@@ -1,83 +1,6 @@
-import { db } from "../data/db.ts";
-
-db.exec(`
-  CREATE TABLE IF NOT EXISTS note (
-    title TEXT NOT NULL,
-    publishedAt DATETIME,
-    createdAt DATETIME NOT NULL,
-    did TEXT NOT NULL,
-    rkey TEXT NOT NULL,
-    discoverable INTEGER NOT NULL DEFAULT 1,
-    PRIMARY KEY (did, rkey)
-  );
-`);
-
-try {
-  db.exec(
-    `ALTER TABLE note ADD COLUMN listed INTEGER NOT NULL DEFAULT 1;`,
-  );
-} catch {
-  // Column already exists — no-op
-}
-
-try {
-  db.exec(
-    `ALTER TABLE note ADD COLUMN language STRING;`,
-  );
-} catch {
-  // Column already exists — no-op
-}
-
-try {
-  db.exec(`ALTER TABLE note RENAME COLUMN listed TO discoverable;`);
-} catch {
-  // Column already renamed or doesn't exist — no-op
-}
-
-db.exec(`
-  CREATE TABLE IF NOT EXISTS state (
-    key TEXT PRIMARY KEY,
-    value TEXT NOT NULL
-  );
-`);
-
-db.exec(`
-  CREATE TABLE IF NOT EXISTS webhook_subscription (
-    id     INTEGER PRIMARY KEY,
-    did    TEXT NOT NULL,
-    method TEXT NOT NULL,
-    url    TEXT NOT NULL
-  );
-`);
-
-db.exec(`
-  CREATE INDEX IF NOT EXISTS idx_webhook_subscription_did
-    ON webhook_subscription(did);
-`);
-
-try {
-  db.exec(`ALTER TABLE webhook_subscription ADD COLUMN token TEXT;`);
-} catch {
-  // Column already exists — no-op
-}
-
-try {
-  db.exec(
-    `ALTER TABLE webhook_subscription ADD COLUMN verb TEXT NOT NULL DEFAULT 'create';`,
-  );
-  db.exec(`
-    INSERT INTO webhook_subscription (did, method, url, token, verb)
-    SELECT did, method, url, token, 'delete'
-    FROM webhook_subscription
-    WHERE verb = 'create';
-  `);
-} catch {
-  // Column already exists — backfill already happened on a previous run.
-}
-
-db.exec(`
-  CREATE INDEX IF NOT EXISTS idx_webhook_subscription_did_verb
-    ON webhook_subscription(did, verb);
-`);
+import { Database } from "@db/sqlite";
+import { applyMigrations } from "./apply.ts";
 
+const db = new Database(Deno.env.get("SQLITE_PATH") ?? "notes.db");
+applyMigrations(db);
 db.close();