ADD column for optionally disabling notifications for assignments

api/anubis/models/__init__.py

@@ -40,7 +40,7 @@ class User(db.Model):
     id = default_id()
 
     # Fields
-    netid: str = Column(String(length=128), unique=True)
+    netid: str = Column(String(length=128), unique=True, nullable=False)
     github_username = Column(Text(length=2 ** 14), index=True)
     name = Column(Text(length=2 ** 14))
     is_superuser: bool = Column(Boolean, nullable=False, default=False)
@@ -219,6 +219,7 @@ class Assignment(db.Model):
     accept_late: bool = Column(Boolean, default=True)
     hide_due_date: bool = Column(Boolean, default=False)
     questions_assigned: bool = Column(Boolean, default=False)
+    email_notifications_enabled: bool = Column(Boolean, default=True, nullable=False)
 
     # Autograde
     pipeline_image = Column(Text(length=2 ** 14), nullable=True, index=True)

api/migrations/versions/d5de41411043_add_assignment_email_enable.py

@@ -0,0 +1,36 @@
+"""ADD assignment email enable
+
+Revision ID: d5de41411043
+Revises: 4f7efe8d8177
+Create Date: 2022-08-31 17:56:55.711499
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision = "d5de41411043"
+down_revision = "4f7efe8d8177"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column(
+        "assignment",
+        sa.Column(
+            "email_notifications_enabled", sa.Boolean(),
+        ),
+    )
+    conn = op.get_bind()
+    conn.execute('UPDATE `assignment` SET `email_notifications_enabled` = 1;')
+    op.alter_column('assignment', 'email_notifications_enabled', type_=sa.Boolean(), nullable=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("assignment", "email_notifications_enabled")
+    # ### end Alembic commands ###