Files
trendyol-analiz/backend/alembic/versions/003_add_report_queue.py
furkanyigit34 8cbe100035 feat: PostgreSQL kuyruk sistemi (SSE yerine queue+poll)
Ne yaptik:
- ReportQueue modeli + Alembic migration (report_queue tablosu)
- QueueWorker: SELECT FOR UPDATE SKIP LOCKED ile tek worker polling
- 3 yeni endpoint: POST /api/queue/submit, GET /api/queue/{id}/status, GET /api/queue/active
- Startup hook ile worker otomatik basliyor, shutdown'da duruyor
- Stuck task recovery: 15 dk'dan eski PROCESSING tasklar PENDING'e donuyor

Neden yaptik:
- Esanli SSE rapor isteklerinde IP ban riski ve veri kaybi vardi
- Tek worker ile sirayla isleniyor, rate limit korunuyor
- Sifir yeni dependency: sadece PostgreSQL + mevcut scraper'lar

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-14 16:41:19 +03:00

46 lines
1.7 KiB
Python

"""Add report_queue table for background report generation
Revision ID: 003
Revises: 38207dbbac44
Create Date: 2026-04-14
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision: str = '003'
down_revision: Union[str, None] = '38207dbbac44'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.create_table(
'report_queue',
sa.Column('id', sa.Integer(), primary_key=True, index=True),
sa.Column('report_name', sa.String(), nullable=False),
sa.Column('category_id', sa.Integer(), nullable=False),
sa.Column('status', sa.String(), nullable=False, server_default='PENDING'),
sa.Column('progress', sa.Integer(), nullable=False, server_default='0'),
sa.Column('message', sa.Text(), nullable=True),
sa.Column('result_report_id', sa.Integer(), nullable=True),
sa.Column('error', sa.Text(), nullable=True),
sa.Column('worker_id', sa.String(), nullable=True),
sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
sa.Column('started_at', sa.DateTime(), nullable=True),
sa.Column('completed_at', sa.DateTime(), nullable=True),
sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now()),
)
op.create_index('idx_report_queue_status', 'report_queue', ['status'])
op.create_index('idx_report_queue_created_at', 'report_queue', ['created_at'])
def downgrade() -> None:
op.drop_index('idx_report_queue_created_at', table_name='report_queue')
op.drop_index('idx_report_queue_status', table_name='report_queue')
op.drop_table('report_queue')