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167 lines
8.7 KiB
Python
167 lines
8.7 KiB
Python
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"""Initial database state
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Revision ID: 97ddefed1834
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Revises:
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Create Date: 2017-05-26 18:46:14.440040
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"""
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from alembic import op
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import sqlalchemy as sa
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import sqlalchemy_utils
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from sqlalchemy.dialects import mysql
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# revision identifiers, used by Alembic.
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revision = '97ddefed1834'
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down_revision = None
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branch_labels = None
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depends_on = None
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TABLE_PREFIXES = ('nyaa', 'sukebei')
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def upgrade():
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# Shared tables
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op.create_table('users',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('username', sa.String(length=32, collation='ascii_general_ci'), nullable=False),
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sa.Column('email', sqlalchemy_utils.types.email.EmailType(length=255), nullable=True),
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# These are actually PasswordType, UserStatusType and UserLevelType,
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# but database-wise binary and integers are what's being used
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sa.Column('password_hash', sa.Binary(length=255), nullable=False),
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sa.Column('status', sa.Integer(), nullable=False),
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sa.Column('level', sa.Integer(), nullable=False),
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sa.Column('created_time', sa.DateTime(), nullable=True),
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sa.Column('last_login_date', sa.DateTime(), nullable=True),
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sa.Column('last_login_ip', sa.Binary(), nullable=True),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('email'),
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sa.UniqueConstraint('username')
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)
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op.create_table('trackers',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('uri', sa.String(length=255, collation='utf8_general_ci'), nullable=False),
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sa.Column('disabled', sa.Boolean(), nullable=False),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('uri')
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)
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# Nyaa and Sukebei
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for prefix in TABLE_PREFIXES:
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# Main categories
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op.create_table(prefix + '_main_categories',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(length=64), nullable=False),
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sa.PrimaryKeyConstraint('id')
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)
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# Sub categories
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op.create_table(prefix + '_sub_categories',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('main_category_id', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(length=64), nullable=False),
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sa.ForeignKeyConstraint(['main_category_id'], [prefix + '_main_categories.id'], ),
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sa.PrimaryKeyConstraint('id', 'main_category_id')
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)
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# Main torrent table
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op.create_table(prefix + '_torrents',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('info_hash', sa.BINARY(length=20), nullable=False),
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sa.Column('display_name', sa.String(length=255, collation='utf8_general_ci'), nullable=False),
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sa.Column('torrent_name', sa.String(length=255), nullable=False),
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sa.Column('information', sa.String(length=255), nullable=False),
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sa.Column('description', mysql.TEXT(collation='utf8mb4_bin'), nullable=False),
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sa.Column('filesize', sa.BIGINT(), nullable=False),
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sa.Column('encoding', sa.String(length=32), nullable=False),
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sa.Column('flags', sa.Integer(), nullable=False),
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sa.Column('uploader_id', sa.Integer(), nullable=True),
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sa.Column('has_torrent', sa.Boolean(), nullable=False),
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sa.Column('created_time', sa.DateTime(), nullable=False),
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sa.Column('updated_time', sa.DateTime(), nullable=False),
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sa.Column('main_category_id', sa.Integer(), nullable=False),
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sa.Column('sub_category_id', sa.Integer(), nullable=False),
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sa.Column('redirect', sa.Integer(), nullable=True),
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sa.ForeignKeyConstraint(['main_category_id', 'sub_category_id'], [prefix + '_sub_categories.main_category_id', prefix + '_sub_categories.id'], ),
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sa.ForeignKeyConstraint(['main_category_id'], [prefix + '_main_categories.id'], ),
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sa.ForeignKeyConstraint(['redirect'], [prefix + '_torrents.id'], ),
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sa.ForeignKeyConstraint(['uploader_id'], ['users.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_' + prefix + '_torrents_display_name'), prefix + '_torrents', ['display_name'], unique=False)
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op.create_index(op.f('ix_' + prefix + '_torrents_filesize'), prefix + '_torrents', ['filesize'], unique=False)
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op.create_index(op.f('ix_' + prefix + '_torrents_flags'), prefix + '_torrents', ['flags'], unique=False)
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op.create_index(op.f('ix_' + prefix + '_torrents_info_hash'), prefix + '_torrents', ['info_hash'], unique=True)
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op.create_index(prefix + '_uploader_flag_idx', prefix + '_torrents', ['uploader_id', 'flags'], unique=False)
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# Statistics for torrents
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op.create_table(prefix + '_statistics',
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sa.Column('torrent_id', sa.Integer(), nullable=False),
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sa.Column('seed_count', sa.Integer(), nullable=False),
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sa.Column('leech_count', sa.Integer(), nullable=False),
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sa.Column('download_count', sa.Integer(), nullable=False),
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sa.Column('last_updated', sa.DateTime(), nullable=True),
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sa.ForeignKeyConstraint(['torrent_id'], [prefix + '_torrents.id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('torrent_id')
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)
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op.create_index(op.f('ix_' + prefix + '_statistics_download_count'), prefix + '_statistics', ['download_count'], unique=False)
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op.create_index(op.f('ix_' + prefix + '_statistics_leech_count'), prefix + '_statistics', ['leech_count'], unique=False)
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op.create_index(op.f('ix_' + prefix + '_statistics_seed_count'), prefix + '_statistics', ['seed_count'], unique=False)
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# Trackers relationships for torrents
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op.create_table(prefix + '_torrent_trackers',
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sa.Column('torrent_id', sa.Integer(), nullable=False),
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sa.Column('tracker_id', sa.Integer(), nullable=False),
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sa.Column('order', sa.Integer(), nullable=False),
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sa.ForeignKeyConstraint(['torrent_id'], [prefix + '_torrents.id'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['tracker_id'], ['trackers.id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('torrent_id', 'tracker_id')
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)
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op.create_index(op.f('ix_' + prefix + '_torrent_trackers_order'), prefix + '_torrent_trackers', ['order'], unique=False)
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# Torrent filelists
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op.create_table(prefix + '_torrents_filelist',
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sa.Column('torrent_id', sa.Integer(), nullable=False),
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sa.Column('filelist_blob', mysql.MEDIUMBLOB(), nullable=True),
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sa.ForeignKeyConstraint(['torrent_id'], [prefix + '_torrents.id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('torrent_id'),
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mysql_row_format='COMPRESSED'
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)
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# Torrent info_dicts
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op.create_table(prefix + '_torrents_info',
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sa.Column('torrent_id', sa.Integer(), nullable=False),
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sa.Column('info_dict', mysql.MEDIUMBLOB(), nullable=True),
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sa.ForeignKeyConstraint(['torrent_id'], [prefix + '_torrents.id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('torrent_id'),
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mysql_row_format='COMPRESSED'
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)
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# ### end Alembic commands ###
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def downgrade():
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# Note: this may fail. It's better to just drop all tables instead (or reset the database)
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# Nyaa and Sukebei
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for prefix in TABLE_PREFIXES:
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op.drop_table(prefix + '_torrents_info')
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op.drop_table(prefix + '_torrents_filelist')
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op.drop_index(op.f('ix_' + prefix + '_torrent_trackers_order'), table_name=prefix + '_torrent_trackers')
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op.drop_table(prefix + '_torrent_trackers')
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op.drop_index(op.f('ix_' + prefix + '_statistics_seed_count'), table_name=prefix + '_statistics')
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op.drop_index(op.f('ix_' + prefix + '_statistics_leech_count'), table_name=prefix + '_statistics')
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op.drop_index(op.f('ix_' + prefix + '_statistics_download_count'), table_name=prefix + '_statistics')
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op.drop_table(prefix + '_statistics')
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op.drop_table(prefix + '_torrents')
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op.drop_index(prefix + '_uploader_flag_idx', table_name=prefix + '_torrents')
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op.drop_index(op.f('ix_' + prefix + '_torrents_info_hash'), table_name=prefix + '_torrents')
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op.drop_index(op.f('ix_' + prefix + '_torrents_flags'), table_name=prefix + '_torrents')
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op.drop_index(op.f('ix_' + prefix + '_torrents_filesize'), table_name=prefix + '_torrents')
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op.drop_index(op.f('ix_' + prefix + '_torrents_display_name'), table_name=prefix + '_torrents')
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op.drop_table(prefix + '_sub_categories')
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op.drop_table(prefix + '_main_categories')
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# Shared tables
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op.drop_table('users')
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op.drop_table('trackers')
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# ### end Alembic commands ###
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