Implementazioni varie

backend/alembic/versions/0013_add_scheduled_send.py

@@ -0,0 +1,30 @@
+"""
+Migrazione 0013: campo scheduled_at su send_jobs
+(Feature 5 – Invio differito).
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0013"
+down_revision = "0012"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "send_jobs",
+        sa.Column("scheduled_at", sa.DateTime(timezone=True), nullable=True),
+    )
+    op.create_index(
+        "idx_sendjobs_scheduled",
+        "send_jobs",
+        ["scheduled_at"],
+        postgresql_where=sa.text("status = 'pending' AND scheduled_at IS NOT NULL"),
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("idx_sendjobs_scheduled", table_name="send_jobs")
+    op.drop_column("send_jobs", "scheduled_at")