Fix flask model to support sqlalchemy-migrate

backend/flask/src/db_repository/versions/001_migration.py

@@ -0,0 +1,97 @@
+from sqlalchemy import *
+from migrate import *
+
+
+from migrate.changeset import schema
+pre_meta = MetaData()
+post_meta = MetaData()
+one_time_password = Table('one_time_password', post_meta,
+    Column('id', Integer, primary_key=True, nullable=False),
+    Column('user_id', Integer),
+    Column('status', String),
+    Column('reference', String),
+    Column('key_value', String),
+    Column('key_checksum', String),
+    Column('data', Text),
+    Column('version', String),
+    Column('creation_date', DateTime),
+    Column('request_date', DateTime),
+    Column('usage_date', DateTime),
+)
+
+record = Table('record', post_meta,
+    Column('id', Integer, primary_key=True, nullable=False),
+    Column('user_id', Integer),
+    Column('reference', String),
+    Column('data', Text),
+    Column('api_version', String),
+    Column('version', Integer, default=ColumnDefault(0)),
+    Column('creation_date', DateTime),
+    Column('update_date', DateTime),
+    Column('access_date', DateTime),
+)
+
+record_version = Table('record_version', post_meta,
+    Column('id', Integer, primary_key=True, nullable=False),
+    Column('reference', String),
+    Column('header', Text),
+    Column('data', Text),
+    Column('api_version', String),
+    Column('version', Integer),
+    Column('previous_version_key', String),
+    Column('previous_version_id', Integer),
+    Column('creation_date', DateTime),
+    Column('update_date', DateTime),
+    Column('access_date', DateTime),
+    Column('record_id', Integer, nullable=False),
+)
+
+session = Table('session', post_meta,
+    Column('id', Integer, primary_key=True, nullable=False),
+    Column('sessionId', String),
+    Column('access_date', DateTime),
+)
+
+sessions = Table('sessions', post_meta,
+    Column('key', String(length=250), primary_key=True, nullable=False),
+    Column('value', LargeBinary, nullable=False),
+)
+
+user = Table('user', post_meta,
+    Column('id', Integer, primary_key=True, nullable=False),
+    Column('username', String),
+    Column('srp_s', String(length=128)),
+    Column('srp_v', String(length=128)),
+    Column('header', Text),
+    Column('statistics', Text),
+    Column('auth_version', String),
+    Column('version', String),
+    Column('lock', String),
+    Column('offline_saved', Boolean, default=ColumnDefault(False)),
+    Column('update_date', DateTime),
+)
+
+
+def upgrade(migrate_engine):
+    # Upgrade operations go here. Don't create your own engine; bind
+    # migrate_engine to your metadata
+    pre_meta.bind = migrate_engine
+    post_meta.bind = migrate_engine
+    post_meta.tables['one_time_password'].create()
+    post_meta.tables['record'].create()
+    post_meta.tables['record_version'].create()
+    post_meta.tables['session'].create()
+    post_meta.tables['sessions'].create()
+    post_meta.tables['user'].create()
+
+
+def downgrade(migrate_engine):
+    # Operations to reverse the above upgrade go here.
+    pre_meta.bind = migrate_engine
+    post_meta.bind = migrate_engine
+    post_meta.tables['one_time_password'].drop()
+    post_meta.tables['record'].drop()
+    post_meta.tables['record_version'].drop()
+    post_meta.tables['session'].drop()
+    post_meta.tables['sessions'].drop()
+    post_meta.tables['user'].drop()