added migration for revoked_tokens table

securedrop/alembic/versions/e9fa666b089a_added_revoked_tokens_table.py

@@ -0,0 +1,32 @@
+"""added revoked_tokens table
+
+Revision ID: e9fa666b089a
+Revises: f2833ac34bb6
+Create Date: 2019-04-16 12:06:56.610815
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'e9fa666b089a'
+down_revision = 'f2833ac34bb6'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'revoked_tokens',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('journalist_id', sa.Integer(), nullable=True),
+        sa.Column('token', sa.Text(), nullable=False),
+        sa.ForeignKeyConstraint(['journalist_id'], ['journalists.id'], ),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('token')
+    )
+
+
+def downgrade():
+    op.drop_table('revoked_tokens')