Add User.intro_shown column

app/models.py

@@ -160,6 +160,11 @@ class User(db.Model, ModelMixin, UserMixin):
 
     referral = db.relationship("Referral", foreign_keys=[referral_id])
 
+    # whether intro has been shown to user
+    intro_shown = db.Column(
+        db.Boolean, default=False, nullable=False, server_default="0"
+    )
+
     @classmethod
     def create(cls, email, name, password=None, **kwargs):
         user: User = super(User, cls).create(email=email, name=name, **kwargs)

migrations/versions/2020_041313_bfd7b2302903_.py

@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: bfd7b2302903
+Revises: ea30c0b5b2e3
+Create Date: 2020-04-13 13:21:14.857574
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'bfd7b2302903'
+down_revision = 'ea30c0b5b2e3'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('intro_shown', sa.Boolean(), server_default='0', nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('users', 'intro_shown')
+    # ### end Alembic commands ###