migrated to tanasty and added dead letter queue

python/alembic/richie/versions/2026_03_10-add_dead_letter_message_table_a1b2c3d4e5f6.py

@@ -0,0 +1,54 @@
+"""add dead_letter_message table.
+
+Revision ID: a1b2c3d4e5f6
+Revises: 99fec682516c
+Create Date: 2026-03-10 12:00:00.000000
+
+"""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+from python.orm import RichieBase
+
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
+# revision identifiers, used by Alembic.
+revision: str = "a1b2c3d4e5f6"
+down_revision: str | None = "99fec682516c"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+schema = RichieBase.schema_name
+
+
+def upgrade() -> None:
+    """Upgrade."""
+    op.create_table(
+        "dead_letter_message",
+        sa.Column("source", sa.String(), nullable=False),
+        sa.Column("message", sa.Text(), nullable=False),
+        sa.Column("received_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column(
+            "status",
+            postgresql.ENUM("UNPROCESSED", "PROCESSED", name="message_status", schema=schema),
+            nullable=False,
+        ),
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_dead_letter_message")),
+        schema=schema,
+    )
+
+
+def downgrade() -> None:
+    """Downgrade."""
+    op.drop_table("dead_letter_message", schema=schema)
+    op.execute(sa.text(f"DROP TYPE IF EXISTS {schema}.message_status"))