File size: 8,557 Bytes
c4ae742 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 | import { randomUUID } from "node:crypto";
import pg from "pg";
import {
type DetectedMode,
type ItemRow,
type ItemStatus,
type JobRow,
type JobStatus,
type SetItemStatusMeta,
type Store,
nowMs,
truncateError,
} from "./store.js";
const { Pool } = pg;
export const POSTGRES_TAKE_NEXT_ITEM_SQL = `
WITH next_item AS (
SELECT id
FROM items
WHERE job_id = $1 AND status = 'queued'
ORDER BY ord ASC
LIMIT 1
FOR UPDATE SKIP LOCKED
)
UPDATE items
SET status = 'running',
attempt_count = attempt_count + 1,
error_preview = NULL,
last_stage = 'running',
updated_at = $2
FROM next_item
WHERE items.id = next_item.id
RETURNING items.*
`;
const SCHEMA_SQL = `
CREATE TABLE IF NOT EXISTS jobs (
id TEXT PRIMARY KEY,
status TEXT NOT NULL,
options_snapshot TEXT NOT NULL,
created_at BIGINT NOT NULL,
updated_at BIGINT NOT NULL
);
CREATE TABLE IF NOT EXISTS items (
id TEXT PRIMARY KEY,
job_id TEXT NOT NULL REFERENCES jobs(id) ON DELETE CASCADE,
ord INTEGER NOT NULL,
filename TEXT NOT NULL,
upload_path TEXT NOT NULL,
detected_mode TEXT NOT NULL,
status TEXT NOT NULL,
evidence_path TEXT,
task_package_path TEXT,
judge_result_path TEXT,
export_zip_path TEXT,
error_preview TEXT,
error_details_path TEXT,
attempt_count INTEGER NOT NULL DEFAULT 0,
last_stage TEXT,
created_at BIGINT NOT NULL,
updated_at BIGINT NOT NULL
);
ALTER TABLE items ADD COLUMN IF NOT EXISTS error_details_path TEXT;
ALTER TABLE items ADD COLUMN IF NOT EXISTS attempt_count INTEGER NOT NULL DEFAULT 0;
ALTER TABLE items ADD COLUMN IF NOT EXISTS last_stage TEXT;
CREATE INDEX IF NOT EXISTS idx_items_job_ord ON items(job_id, ord);
CREATE INDEX IF NOT EXISTS idx_items_status ON items(status);
CREATE INDEX IF NOT EXISTS idx_items_job_status_ord ON items(job_id, status, ord);
`;
function mapJob(row: any): JobRow {
return {
...row,
created_at: Number(row.created_at),
updated_at: Number(row.updated_at),
};
}
function mapItem(row: any): ItemRow {
return {
...row,
attempt_count: Number(row.attempt_count || 0),
created_at: Number(row.created_at),
updated_at: Number(row.updated_at),
evidence_path: row.evidence_path ?? null,
task_package_path: row.task_package_path ?? null,
judge_result_path: row.judge_result_path ?? null,
export_zip_path: row.export_zip_path ?? null,
error_preview: row.error_preview ?? null,
error_details_path: row.error_details_path ?? null,
last_stage: row.last_stage ?? null,
};
}
export class PostgresStore implements Store {
private pool: pg.Pool;
constructor(databaseUrl: string) {
if (!databaseUrl) throw new Error("DATABASE_URL is required for Postgres store");
this.pool = new Pool({ connectionString: databaseUrl });
}
async init(): Promise<void> {
await this.pool.query(SCHEMA_SQL);
}
async close(): Promise<void> {
await this.pool.end();
}
async createJob(optionsSnapshot: object): Promise<JobRow> {
const id = randomUUID();
const t = nowMs();
const result = await this.pool.query(
`INSERT INTO jobs (id, status, options_snapshot, created_at, updated_at)
VALUES ($1, $2, $3, $4, $5)
RETURNING *`,
[id, "pending", JSON.stringify(optionsSnapshot), t, t],
);
return mapJob(result.rows[0]);
}
async getJob(id: string): Promise<JobRow | null> {
const result = await this.pool.query("SELECT * FROM jobs WHERE id = $1", [id]);
return result.rows[0] ? mapJob(result.rows[0]) : null;
}
async setJobStatus(id: string, status: JobStatus): Promise<void> {
await this.pool.query("UPDATE jobs SET status = $1, updated_at = $2 WHERE id = $3", [
status,
nowMs(),
id,
]);
}
async updateJobOptions(id: string, optionsSnapshot: object): Promise<void> {
await this.pool.query(
"UPDATE jobs SET options_snapshot = $1, updated_at = $2 WHERE id = $3",
[JSON.stringify(optionsSnapshot), nowMs(), id],
);
}
async listResumableJobs(): Promise<JobRow[]> {
const result = await this.pool.query(
"SELECT * FROM jobs WHERE status = 'running' ORDER BY created_at",
);
return result.rows.map(mapJob);
}
async recoverInterruptedJob(id: string): Promise<void> {
const t = nowMs();
const client = await this.pool.connect();
try {
await client.query("BEGIN");
await client.query(
`UPDATE items
SET status = 'queued',
error_preview = NULL,
last_stage = 'recovered',
updated_at = $1
WHERE job_id = $2 AND status IN ('running', 'judging')`,
[t, id],
);
await client.query("UPDATE jobs SET status = 'running', updated_at = $1 WHERE id = $2", [
t,
id,
]);
await client.query("COMMIT");
} catch (err) {
await client.query("ROLLBACK");
throw err;
} finally {
client.release();
}
}
async createItem(input: {
jobId: string;
ord: number;
filename: string;
uploadPath: string;
detectedMode: DetectedMode;
}): Promise<ItemRow> {
const id = randomUUID();
const t = nowMs();
const result = await this.pool.query(
`INSERT INTO items
(id, job_id, ord, filename, upload_path, detected_mode, status,
created_at, updated_at)
VALUES ($1, $2, $3, $4, $5, $6, 'queued', $7, $8)
RETURNING *`,
[id, input.jobId, input.ord, input.filename, input.uploadPath, input.detectedMode, t, t],
);
return mapItem(result.rows[0]);
}
async getItem(id: string): Promise<ItemRow | null> {
const result = await this.pool.query("SELECT * FROM items WHERE id = $1", [id]);
return result.rows[0] ? mapItem(result.rows[0]) : null;
}
async listItemsByJob(jobId: string): Promise<ItemRow[]> {
const result = await this.pool.query(
"SELECT * FROM items WHERE job_id = $1 ORDER BY ord ASC",
[jobId],
);
return result.rows.map(mapItem);
}
async setItemStatus(
id: string,
status: ItemStatus,
errorPreview?: string,
meta: SetItemStatusMeta = {},
): Promise<void> {
await this.pool.query(
`UPDATE items
SET status = $1,
error_preview = $2,
last_stage = COALESCE($3, last_stage),
error_details_path = COALESCE($4, error_details_path),
updated_at = $5
WHERE id = $6`,
[
status,
truncateError(errorPreview),
meta.lastStage ?? null,
meta.errorDetailsPath ?? null,
nowMs(),
id,
],
);
}
async setItemPaths(
id: string,
paths: Partial<{
evidencePath: string;
taskPackagePath: string;
judgeResultPath: string;
exportZipPath: string;
}>,
): Promise<void> {
const fields: string[] = [];
const values: unknown[] = [];
const add = (column: string, value: unknown) => {
values.push(value);
fields.push(`${column} = $${values.length}`);
};
if (paths.evidencePath !== undefined) add("evidence_path", paths.evidencePath);
if (paths.taskPackagePath !== undefined) add("task_package_path", paths.taskPackagePath);
if (paths.judgeResultPath !== undefined) add("judge_result_path", paths.judgeResultPath);
if (paths.exportZipPath !== undefined) add("export_zip_path", paths.exportZipPath);
if (!fields.length) return;
values.push(nowMs());
fields.push(`updated_at = $${values.length}`);
values.push(id);
await this.pool.query(`UPDATE items SET ${fields.join(", ")} WHERE id = $${values.length}`, values);
}
async takeNextQueuedItem(jobId: string): Promise<ItemRow | null> {
const client = await this.pool.connect();
try {
await client.query("BEGIN");
const result = await client.query(POSTGRES_TAKE_NEXT_ITEM_SQL, [jobId, nowMs()]);
await client.query("COMMIT");
return result.rows[0] ? mapItem(result.rows[0]) : null;
} catch (err) {
await client.query("ROLLBACK");
throw err;
} finally {
client.release();
}
}
async resetItemForRetry(id: string): Promise<void> {
await this.pool.query(
`UPDATE items
SET status = 'queued',
error_preview = NULL,
error_details_path = NULL,
attempt_count = 0,
last_stage = NULL,
evidence_path = NULL,
task_package_path = NULL,
judge_result_path = NULL,
export_zip_path = NULL,
updated_at = $1
WHERE id = $2`,
[nowMs(), id],
);
}
}
|