Implementazioni varie

backend/alembic/versions/0012_add_deadline.py

@@ -0,0 +1,35 @@
+"""
+Migrazione 0012: campi deadline su tabella messages
+(Feature 4 – Scadenzario e tracking deadlines).
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0012"
+down_revision = "0011"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "messages",
+        sa.Column("deadline_at", sa.DateTime(timezone=True), nullable=True),
+    )
+    op.add_column(
+        "messages",
+        sa.Column("deadline_note", sa.Text, nullable=True),
+    )
+    op.create_index(
+        "idx_messages_deadline",
+        "messages",
+        ["tenant_id", "deadline_at"],
+        postgresql_where=sa.text("deadline_at IS NOT NULL"),
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("idx_messages_deadline", table_name="messages")
+    op.drop_column("messages", "deadline_note")
+    op.drop_column("messages", "deadline_at")