migration to add email templates and switch to plan enum

migrations/versions/7446b8bbc888_email_templates_and_plan_enum.py

@@ -0,0 +1,54 @@
+"""email templates and plan enum
+
+Revision ID: 7446b8bbc888
+Revises: a156683c29f2
+Create Date: 2018-09-19 22:38:57.679264
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '7446b8bbc888'
+down_revision = 'a156683c29f2'
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+from sqlalchemy.dialects.postgresql import ENUM
+
+plans = ENUM('v1_free', 'v1_gold', 'v1_platinum', name='plans', create_type=False)
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('email_templates',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('form_id', sa.Integer(), nullable=False),
+    sa.Column('subject', sa.Text(), nullable=False),
+    sa.Column('from_name', sa.Text(), nullable=False),
+    sa.Column('style', sa.Text(), nullable=False),
+    sa.Column('body', sa.Text(), nullable=False),
+    sa.ForeignKeyConstraint(['form_id'], ['forms.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('form_id')
+    )
+    op.alter_column('submissions', 'form_id',
+               existing_type=sa.INTEGER(),
+               nullable=False)
+    plans.create(op.get_bind(), checkfirst=True)
+    op.add_column('users', sa.Column('plan', plans, nullable=True))
+    op.execute("UPDATE users SET plan = 'v1_gold' WHERE upgraded")
+    op.execute("UPDATE users SET plan = 'v1_free' WHERE NOT upgraded")
+    op.drop_column('users', 'upgraded')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('upgraded', sa.BOOLEAN(), autoincrement=False, nullable=True))
+    op.execute("UPDATE users SET upgraded = true WHERE plan != 'v1_free'")
+    op.execute("UPDATE users SET upgraded = false WHERE plan = 'v1_free'")
+    op.drop_column('users', 'plan')
+    op.alter_column('submissions', 'form_id',
+               existing_type=sa.INTEGER(),
+               nullable=True)
+    op.drop_table('email_templates')
+    # ### end Alembic commands ###