Better bans (#341)

* better bans

* put jinja2 template into correct file

migrations/versions/500117641608_add_bans.py

@@ -0,0 +1,38 @@
+"""Add bans table
+
+Revision ID: 500117641608
+Revises: b79d2fcafd88
+Create Date: 2017-08-17 01:44:39.205126
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '500117641608'
+down_revision = 'b79d2fcafd88'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table('bans',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('created_time', sa.DateTime(), nullable=True),
+    sa.Column('admin_id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=True),
+    sa.Column('user_ip', sa.Binary(length=16), nullable=True),
+    sa.Column('reason', sa.String(length=2048), nullable=False),
+    sa.ForeignKeyConstraint(['admin_id'], ['users.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    )
+    op.create_index('user_ip_16', 'bans', ['user_ip'], unique=True, mysql_length=16)
+    op.create_index('user_ip_4', 'bans', ['user_ip'], unique=True, mysql_length=4)
+
+
+def downgrade():
+    op.drop_index('user_ip_4', table_name='bans')
+    op.drop_index('user_ip_16', table_name='bans')
+    op.drop_table('bans')