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Justin Visser 2026-02-21 17:33:05 +01:00
parent 4240ad38e2
commit e3f0d63fec
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alembic/versions/20260221_0013_add_publication_pdf_jobs.py Normal file
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"""Add persistent publication PDF job tracking tables.
Revision ID: 20260221_0013
Revises: 20260220_0012
Create Date: 2026-02-21 12:25:00.000000
"""
from collections.abc import Sequence
from alembic import op
import sqlalchemy as sa
revision: str = "20260221_0013"
down_revision: str | Sequence[str] | None = "20260220_0012"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None
def _table_names() -> set[str]:
bind = op.get_bind()
inspector = sa.inspect(bind)
return set(inspector.get_table_names())
def _create_publication_pdf_jobs_table() -> None:
op.create_table(
"publication_pdf_jobs",
sa.Column("publication_id", sa.Integer(), nullable=False),
sa.Column(
"status",
sa.String(length=16),
nullable=False,
server_default=sa.text("'queued'"),
),
sa.Column("attempt_count", sa.Integer(), nullable=False, server_default=sa.text("0")),
sa.Column("queued_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("last_attempt_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("last_failure_reason", sa.String(length=64), nullable=True),
sa.Column("last_failure_detail", sa.Text(), nullable=True),
sa.Column("last_source", sa.String(length=32), nullable=True),
sa.Column("last_requested_by_user_id", sa.Integer(), nullable=True),
sa.Column(
"created_at",
sa.DateTime(timezone=True),
nullable=False,
server_default=sa.func.now(),
),
sa.Column(
"updated_at",
sa.DateTime(timezone=True),
nullable=False,
server_default=sa.func.now(),
),
sa.CheckConstraint(
"status IN ('queued', 'running', 'resolved', 'failed')",
name="publication_pdf_jobs_status_valid",
),
sa.ForeignKeyConstraint(
["last_requested_by_user_id"],
["users.id"],
ondelete="SET NULL",
),
sa.ForeignKeyConstraint(
["publication_id"],
["publications.id"],
ondelete="CASCADE",
),
sa.PrimaryKeyConstraint("publication_id", name=op.f("pk_publication_pdf_jobs")),
)
def _create_publication_pdf_jobs_indexes() -> None:
op.create_index(
"ix_publication_pdf_jobs_status",
"publication_pdf_jobs",
["status"],
unique=False,
)
op.create_index(
"ix_publication_pdf_jobs_updated_at",
"publication_pdf_jobs",
["updated_at"],
unique=False,
)
op.create_index(
"ix_publication_pdf_jobs_queued_at",
"publication_pdf_jobs",
["queued_at"],
unique=False,
)
def _create_publication_pdf_job_events_table() -> None:
op.create_table(
"publication_pdf_job_events",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("publication_id", sa.Integer(), nullable=False),
sa.Column("user_id", sa.Integer(), nullable=True),
sa.Column("event_type", sa.String(length=32), nullable=False),
sa.Column("status", sa.String(length=16), nullable=True),
sa.Column("source", sa.String(length=32), nullable=True),
sa.Column("failure_reason", sa.String(length=64), nullable=True),
sa.Column("message", sa.Text(), nullable=True),
sa.Column(
"created_at",
sa.DateTime(timezone=True),
nullable=False,
server_default=sa.func.now(),
),
sa.ForeignKeyConstraint(
["publication_id"],
["publications.id"],
ondelete="CASCADE",
),
sa.ForeignKeyConstraint(
["user_id"],
["users.id"],
ondelete="SET NULL",
),
sa.PrimaryKeyConstraint("id", name=op.f("pk_publication_pdf_job_events")),
)
def _create_publication_pdf_job_events_indexes() -> None:
op.create_index(
"ix_publication_pdf_job_events_publication_created",
"publication_pdf_job_events",
["publication_id", "created_at"],
unique=False,
)
op.create_index(
"ix_publication_pdf_job_events_created_at",
"publication_pdf_job_events",
["created_at"],
unique=False,
)
op.create_index(
"ix_publication_pdf_job_events_event_type",
"publication_pdf_job_events",
["event_type"],
unique=False,
)
def _drop_publication_pdf_jobs_indexes() -> None:
op.drop_index("ix_publication_pdf_jobs_queued_at", table_name="publication_pdf_jobs")
op.drop_index("ix_publication_pdf_jobs_updated_at", table_name="publication_pdf_jobs")
op.drop_index("ix_publication_pdf_jobs_status", table_name="publication_pdf_jobs")
def _drop_publication_pdf_job_events_indexes() -> None:
op.drop_index("ix_publication_pdf_job_events_event_type", table_name="publication_pdf_job_events")
op.drop_index("ix_publication_pdf_job_events_created_at", table_name="publication_pdf_job_events")
op.drop_index(
"ix_publication_pdf_job_events_publication_created",
table_name="publication_pdf_job_events",
)
def upgrade() -> None:
tables = _table_names()
if "publication_pdf_jobs" not in tables:
_create_publication_pdf_jobs_table()
_create_publication_pdf_jobs_indexes()
if "publication_pdf_job_events" not in tables:
_create_publication_pdf_job_events_table()
_create_publication_pdf_job_events_indexes()
def downgrade() -> None:
tables = _table_names()
if "publication_pdf_job_events" in tables:
_drop_publication_pdf_job_events_indexes()
op.drop_table("publication_pdf_job_events")
if "publication_pdf_jobs" in tables:
_drop_publication_pdf_jobs_indexes()
op.drop_table("publication_pdf_jobs")