rename src to source

source/services/storage/migrations/001-resources.ts

@@ -0,0 +1,37 @@
+import type { Kysely } from 'kysely';
+import { sql } from 'kysely';
+import type { DatabaseTables } from '../tables.ts';
+
+/**
+ * Helper for converting the current time to a millisecond timestamp.
+ *
+ * @returns SQLite expression producing the current time in milliseconds.
+ */
+const millisecondTime = sql`(CAST(unixepoch('subsec') * 1000 AS INTEGER))`;
+
+/**
+ * Creates the resource_data table.
+ *
+ * @param db - Kysely database to apply the migration against.
+ */
+export const up = async (db: Kysely<DatabaseTables>): Promise<void> => {
+    // Composite primary key enforces one blob slot per (resource, public key).
+    await db.schema
+        .createTable('resource_data')
+        .ifNotExists()
+        .addColumn('resource_id', 'text', (col) => col.notNull())
+        .addColumn('public_key', 'text', (col) => col.notNull())
+        .addColumn('blob', 'blob', (col) => col.notNull())
+        .addColumn('timestamp', 'integer', (col) => col.notNull().defaultTo(millisecondTime))
+        .addPrimaryKeyConstraint('pk_resource_data', ['resource_id', 'public_key'])
+        .execute();
+};
+
+/**
+ * Drops the resource_data table.
+ *
+ * @param db - Kysely database to apply the rollback against.
+ */
+export const down = async (db: Kysely<DatabaseTables>): Promise<void> => {
+    await db.schema.dropTable('resource_data').ifExists().execute();
+};