Bckn funcion

backend/migrations/versions/b2dcb926e091_add_ticket_issues.py

@@ -0,0 +1,63 @@
+"""add_ticket_issues
+
+Revision ID: b2dcb926e091
+Revises: 46bccd948688
+Create Date: 2026-03-17 16:25:34.452826
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+revision = 'b2dcb926e091'
+down_revision = '46bccd948688'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    existing_tables = inspector.get_table_names()
+
+    if 'ticket_issues' not in existing_tables:
+        op.create_table(
+            'ticket_issues',
+            sa.Column('id', sa.UUID(), nullable=False),
+            sa.Column('tenant_id', sa.UUID(), nullable=False),
+            sa.Column('ticket_id', sa.UUID(), nullable=False),
+            sa.Column('created_by', sa.UUID(), nullable=False),
+            sa.Column('content', sa.Text(), nullable=False),
+            sa.Column(
+                'priority',
+                postgresql.ENUM('LOW', 'MEDIUM', 'HIGH', 'URGENT',
+                                name='ticket_priority_enum', create_type=False),
+                nullable=False,
+            ),
+            sa.Column('attachment_path', sa.String(500), nullable=True),
+            sa.Column('attachment_filename', sa.String(255), nullable=True),
+            sa.Column('attachment_mime_type', sa.String(100), nullable=True),
+            sa.Column('created_at', postgresql.TIMESTAMP(timezone=True),
+                      server_default=sa.text('now()'), nullable=False),
+            sa.Column('updated_at', postgresql.TIMESTAMP(timezone=True),
+                      server_default=sa.text('now()'), nullable=False),
+            sa.ForeignKeyConstraint(['tenant_id'], ['tenants.id'], ondelete='CASCADE'),
+            sa.ForeignKeyConstraint(['ticket_id'], ['tickets.id'], ondelete='CASCADE'),
+            sa.ForeignKeyConstraint(['created_by'], ['users.id']),
+            sa.PrimaryKeyConstraint('id'),
+        )
+
+    if 'ticket_issue_tagged_users' not in existing_tables:
+        op.create_table(
+            'ticket_issue_tagged_users',
+            sa.Column('issue_id', sa.UUID(), nullable=False),
+            sa.Column('user_id', sa.UUID(), nullable=False),
+            sa.ForeignKeyConstraint(['issue_id'], ['ticket_issues.id'], ondelete='CASCADE'),
+            sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
+            sa.PrimaryKeyConstraint('issue_id', 'user_id'),
+        )
+
+
+def downgrade() -> None:
+    op.drop_table('ticket_issue_tagged_users')
+    op.drop_table('ticket_issues')