|
| 1 | +"""User defined groups |
| 2 | +
|
| 3 | +Revision ID: 1cacaf803a1d |
| 4 | +Revises: 9d98c1e9c864 |
| 5 | +Create Date: 2024-04-14 23:38:18.956845 |
| 6 | +
|
| 7 | +""" |
| 8 | + |
| 9 | +import sqlalchemy as sa |
| 10 | +from alembic import op |
| 11 | +from sqlalchemy.schema import CreateSequence, Sequence |
| 12 | + |
| 13 | + |
| 14 | +# revision identifiers, used by Alembic. |
| 15 | +revision = '1cacaf803a1d' |
| 16 | +down_revision = '9d98c1e9c864' |
| 17 | +branch_labels = None |
| 18 | +depends_on = None |
| 19 | + |
| 20 | + |
| 21 | +def upgrade(): |
| 22 | + op.create_table( |
| 23 | + 'group', |
| 24 | + sa.Column('id', sa.Integer(), nullable=False), |
| 25 | + sa.Column('type', sa.String(), nullable=False), |
| 26 | + sa.Column('owner_id', sa.Integer(), nullable=True), |
| 27 | + sa.Column('is_deleted', sa.Boolean(), nullable=False), |
| 28 | + sa.Column('last_active_ts', sa.DateTime(), nullable=False), |
| 29 | + sa.Column('create_ts', sa.DateTime(), nullable=False), |
| 30 | + sa.Column('update_ts', sa.DateTime(), nullable=False), |
| 31 | + ) |
| 32 | + op.execute( |
| 33 | + ''' |
| 34 | + INSERT INTO "group" |
| 35 | + (id, type, is_deleted, last_active_ts, create_ts, update_ts) |
| 36 | + SELECT id, 'vk_group', False, now(), create_ts, update_ts |
| 37 | + FROM vk_groups; |
| 38 | + ''' |
| 39 | + ) |
| 40 | + |
| 41 | + max_id = op.get_bind().execute(sa.text('SELECT MAX(id) FROM "group";')).scalar() or 0 |
| 42 | + op.create_primary_key('group_pk', 'group', ['id']) |
| 43 | + op.execute(CreateSequence(Sequence('group_id_seq', max_id + 1))) |
| 44 | + op.alter_column('group', 'id', server_default=sa.text('nextval(\'group_id_seq\')')) |
| 45 | + |
| 46 | + op.create_table( |
| 47 | + 'telegram_channel', |
| 48 | + sa.Column('id', sa.Integer(), nullable=False), |
| 49 | + sa.Column('channel_id', sa.BigInteger(), nullable=False), |
| 50 | + sa.ForeignKeyConstraint( |
| 51 | + ['id'], |
| 52 | + ['group.id'], |
| 53 | + ), |
| 54 | + sa.PrimaryKeyConstraint('id'), |
| 55 | + ) |
| 56 | + op.create_table( |
| 57 | + 'telegram_chat', |
| 58 | + sa.Column('id', sa.Integer(), nullable=False), |
| 59 | + sa.Column('chat_id', sa.BigInteger(), nullable=False), |
| 60 | + sa.ForeignKeyConstraint( |
| 61 | + ['id'], |
| 62 | + ['group.id'], |
| 63 | + ), |
| 64 | + sa.PrimaryKeyConstraint('id'), |
| 65 | + ) |
| 66 | + op.create_table( |
| 67 | + 'vk_chat', |
| 68 | + sa.Column('id', sa.Integer(), nullable=False), |
| 69 | + sa.Column('peer_id', sa.Integer(), nullable=False), |
| 70 | + sa.ForeignKeyConstraint( |
| 71 | + ['id'], |
| 72 | + ['group.id'], |
| 73 | + ), |
| 74 | + sa.PrimaryKeyConstraint('id'), |
| 75 | + ) |
| 76 | + op.create_foreign_key('group_vkgroup_fk', 'vk_groups', 'group', ['id'], ['id']) |
| 77 | + op.drop_column('vk_groups', 'update_ts') |
| 78 | + op.drop_column('vk_groups', 'create_ts') |
| 79 | + op.execute('DROP SEQUENCE IF EXISTS vk_groups_id_seq CASCADE;') |
| 80 | + op.rename_table('vk_groups', 'vk_group') |
| 81 | + |
| 82 | + |
| 83 | +def downgrade(): |
| 84 | + op.rename_table('vk_group', 'vk_groups') |
| 85 | + |
| 86 | + max_id = op.get_bind().execute(sa.text('SELECT MAX(id) FROM "vk_groups";')).scalar() or 0 |
| 87 | + op.execute(CreateSequence(Sequence('vk_groups_id_seq', max_id + 1))) |
| 88 | + op.alter_column('vk_groups', 'id', server_default=sa.text('nextval(\'vk_groups_id_seq\')')) |
| 89 | + |
| 90 | + op.add_column('vk_groups', sa.Column('create_ts', sa.DateTime())) |
| 91 | + op.add_column('vk_groups', sa.Column('update_ts', sa.DateTime())) |
| 92 | + op.execute('UPDATE vk_groups SET create_ts = (SELECT create_ts FROM "group" WHERE "group".id = vk_groups.id);') |
| 93 | + op.execute('UPDATE vk_groups SET update_ts = (SELECT update_ts FROM "group" WHERE "group".id = vk_groups.id);') |
| 94 | + op.alter_column('vk_groups', 'create_ts', nullable=False) |
| 95 | + op.alter_column('vk_groups', 'update_ts', nullable=False) |
| 96 | + op.drop_constraint('group_vkgroup_fk', 'vk_groups', type_='foreignkey') |
| 97 | + op.drop_table('vk_chat') |
| 98 | + op.drop_table('telegram_chat') |
| 99 | + op.drop_table('telegram_channel') |
| 100 | + op.drop_table('group') |
| 101 | + op.execute('DROP SEQUENCE IF EXISTS group_id_seq CASCADE;') |
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