Migration for AssignmentRoster

lms/migrations/versions/cb5fe6e8dc09_assignment_rosters_table.py

@@ -0,0 +1,53 @@
+"""Assignment Rosters table."""
+
+import sqlalchemy as sa
+from alembic import op
+
+revision = "cb5fe6e8dc09"
+down_revision = "481968561169"
+
+
+def upgrade() -> None:
+    op.create_table(
+        "assignment_roster",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("assignment_id", sa.Integer(), nullable=False),
+        sa.Column("lms_user_id", sa.Integer(), nullable=False),
+        sa.Column("lti_role_id", sa.Integer(), nullable=False),
+        sa.Column("active", sa.Boolean(), nullable=False),
+        sa.Column(
+            "created", sa.DateTime(), server_default=sa.text("now()"), nullable=False
+        ),
+        sa.Column(
+            "updated", sa.DateTime(), server_default=sa.text("now()"), nullable=False
+        ),
+        sa.ForeignKeyConstraint(
+            ["assignment_id"],
+            ["assignment.id"],
+            name=op.f("fk__assignment_roster__assignment_id__assignment"),
+            ondelete="cascade",
+        ),
+        sa.ForeignKeyConstraint(
+            ["lms_user_id"],
+            ["lms_user.id"],
+            name=op.f("fk__assignment_roster__lms_user_id__lms_user"),
+            ondelete="cascade",
+        ),
+        sa.ForeignKeyConstraint(
+            ["lti_role_id"],
+            ["lti_role.id"],
+            name=op.f("fk__assignment_roster__lti_role_id__lti_role"),
+            ondelete="cascade",
+        ),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk__assignment_roster")),
+        sa.UniqueConstraint(
+            "assignment_id",
+            "lms_user_id",
+            "lti_role_id",
+            name=op.f("uq__assignment_roster__assignment_id"),
+        ),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("assignment_roster")