egutierrez
b5a867ca5a
Implementa el subsistema completo de background jobs para apps Go en el dominio infra. 9 funciones + 3 tipos + 17 tests, todos pasando. - Tipos: Job (product), JobQueue (product), JobStatus (sum) con JobHandler, EnqueueOption y WorkerOption usando functional options pattern - job_queue_create: CREATE TABLE + indices + WAL mode - job_enqueue: INSERT con UUID (github.com/google/uuid), WithPriority/WithScheduledAt/WithMaxAttempts - job_dequeue: SELECT+UPDATE atomico en transaccion exclusiva, filtro por jobTypes - job_complete / job_fail: transiciones de estado; fail → dead cuando attempts >= max_attempts - job_status_summary: pura, formatea conteo de jobs por estado - job_worker: poll loop bloqueante, context-cancelable, graceful shutdown - job_worker_pool: N workers con golang.org/x/sync/errgroup - job_cleanup: DELETE jobs terminales mas viejos que olderThan Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package infra
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import (
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"fmt"
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"time"
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)
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// JobFail increments the attempt counter and transitions the job to:
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// - "failed" when attempts < max_attempts (eligible for retry)
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// - "dead" when attempts >= max_attempts (no more retries)
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//
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// errMsg is stored in the error column for debugging.
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func JobFail(q *JobQueue, jobID string, errMsg string) error {
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if q == nil {
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return fmt.Errorf("job_fail: queue must not be nil")
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}
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if jobID == "" {
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return fmt.Errorf("job_fail: jobID must not be empty")
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}
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now := time.Now().UTC().Format(time.RFC3339)
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// Atomically increment attempts and decide status.
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query := fmt.Sprintf(`
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UPDATE %s
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SET
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attempts = attempts + 1,
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status = CASE WHEN (attempts + 1) >= max_attempts THEN 'dead' ELSE 'failed' END,
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error = ?,
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completed_at = ?
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WHERE id = ?
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`, q.TableName)
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res, err := q.DB.Exec(query, errMsg, now, jobID)
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if err != nil {
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return fmt.Errorf("job_fail: update: %w", err)
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}
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n, _ := res.RowsAffected()
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if n == 0 {
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return fmt.Errorf("job_fail: job %q not found", jobID)
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}
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return nil
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}
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