feat: centralize application framework primitives

packages/queue/src/stores.ts

@@ -54,6 +54,18 @@ export function redisQueueStore(client: RedisQueueClient, prefix = "wrnexus:queu
         .map((value) => JSON.parse(value) as Job)
         .filter((job) => !name || job.name === name);
     },
+    async findByIdempotencyKey(name, idempotencyKey) {
+      const ids = await client.smembers(jobs);
+      const values = await Promise.all(ids.map((id) => client.get(key(id))));
+      const found = values
+        .filter((value): value is string => value !== null)
+        .map((value) => JSON.parse(value) as Job)
+        .find((job) => job.name === name && job.idempotencyKey === idempotencyKey);
+      return found ?? null;
+    },
+    async size() {
+      return (await client.smembers(jobs)).length;
+    },
     async claim(id, worker, leaseUntil) {
       const ttl = Math.max(1, leaseUntil - Date.now());
       return Boolean(await client.set(`${prefix}:lease:${id}`, worker, { NX: true, PX: ttl }));
@@ -98,6 +110,19 @@ export function postgresQueueStore(db: SqlQueueClient, table = "wrnexus_jobs"):
       );
       return result.rows.map((row) => row.payload);
     },
+    async findByIdempotencyKey(name, key) {
+      const result = await db.query<{ payload: Job }>(
+        `SELECT payload FROM ${table} WHERE name=$1 AND payload->>'idempotencyKey'=$2 LIMIT 1`,
+        [name, key],
+      );
+      return result.rows[0]?.payload ?? null;
+    },
+    async size() {
+      const result = await db.query<{ total: number | string }>(
+        `SELECT COUNT(*) AS total FROM ${table}`,
+      );
+      return Number(result.rows[0]?.total ?? 0);
+    },
     async claim(id, worker, leaseUntil) {
       const result = await db.query(
         `UPDATE ${table} SET lease_owner=$2,lease_until=$3 WHERE id=$1 AND (lease_until IS NULL OR lease_until < $4) RETURNING id`,