egutierrez
f7a4f26cf0
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
1.4 KiB
Markdown
44 lines
1.4 KiB
Markdown
---
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name: job_fail
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kind: function
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lang: go
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domain: infra
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version: "1.0.0"
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purity: impure
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signature: "func JobFail(q *JobQueue, jobID string, errMsg string) error"
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description: "Incrementa el contador de intentos y transiciona el job a 'failed' (reintentable) o 'dead' (sin mas intentos) segun si attempts >= max_attempts. Almacena el mensaje de error."
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tags: [job, queue, fail, retry, dead, sqlite, async, background, infra]
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uses_functions: []
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uses_types: [job_queue_go_infra]
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returns: []
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returns_optional: false
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error_type: "error_go_core"
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imports: [fmt, time]
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params:
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- name: q
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desc: "cola de jobs creada con JobQueueCreate"
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- name: jobID
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desc: "UUID del job que fallo"
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- name: errMsg
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desc: "mensaje de error para almacenar en la columna error"
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output: "error si el job no existe o falla el UPDATE"
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tested: true
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tests:
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- "fail_increments_attempts"
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- "fail_transitions_to_dead"
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test_file_path: "functions/infra/job_queue_test.go"
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file_path: "functions/infra/job_fail.go"
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---
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## Ejemplo
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```go
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if err := handler(job); err != nil {
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_ = JobFail(q, job.ID, err.Error())
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}
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```
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## Notas
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El UPDATE es atomico: incrementa attempts y decide el nuevo status en un solo SQL con CASE WHEN. Si `(attempts + 1) >= max_attempts` → status='dead', sino → status='failed'. Los jobs failed pueden ser reintentados manualmente reseteando su status a 'pending'. Los jobs dead no se procesan automaticamente.
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