"""creating database

Revision ID: 453787357254
Revises: 
Create Date: 2020-06-02 16:08:43.195875

"""
from alembic import op
import sqlalchemy as sa
import sqlalchemy_utc


# revision identifiers, used by Alembic.
revision = '453787357254'
down_revision = None
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('graph',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('path', sa.String(length=64, _expect_unicode=True), nullable=False),
    sa.Column('title', sa.String(length=64, _expect_unicode=True), nullable=False),
    sa.Column('username', sa.String(length=32, _expect_unicode=True), nullable=False),
    sa.Column('description', sa.Text(_expect_unicode=True), nullable=False),
    sa.Column('settings', sa.JSON(), nullable=True),
    sa.Column('created_at', sqlalchemy_utc.sqltypes.UtcDateTime(timezone=True), nullable=True),
    sa.Column('updated_at', sqlalchemy_utc.sqltypes.UtcDateTime(timezone=True), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_table('upload',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('sha256', sa.String(length=256), nullable=False),
    sa.Column('fn', sa.String(length=256), nullable=False),
    sa.Column('ext', sa.String(length=4, _expect_unicode=True), nullable=False),
    sa.Column('username', sa.String(length=16, _expect_unicode=True), nullable=False),
    sa.Column('created_at', sqlalchemy_utc.sqltypes.UtcDateTime(timezone=True), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_table('page',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('graph_id', sa.Integer(), nullable=True),
    sa.Column('path', sa.String(length=64, _expect_unicode=True), nullable=False),
    sa.Column('title', sa.String(length=64, _expect_unicode=True), nullable=False),
    sa.Column('username', sa.String(length=32, _expect_unicode=True), nullable=False),
    sa.Column('description', sa.Text(_expect_unicode=True), nullable=False),
    sa.Column('settings', sa.JSON(), nullable=True),
    sa.Column('created_at', sqlalchemy_utc.sqltypes.UtcDateTime(timezone=True), nullable=True),
    sa.Column('updated_at', sqlalchemy_utc.sqltypes.UtcDateTime(timezone=True), nullable=True),
    sa.ForeignKeyConstraint(['graph_id'], ['graph.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_table('tile',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('graph_id', sa.Integer(), nullable=True),
    sa.Column('page_id', sa.Integer(), nullable=True),
    sa.Column('target_page_id', sa.Integer(), nullable=True),
    sa.Column('type', sa.String(length=16, _expect_unicode=True), nullable=False),
    sa.Column('settings', sa.JSON(), nullable=True),
    sa.Column('created_at', sqlalchemy_utc.sqltypes.UtcDateTime(timezone=True), nullable=True),
    sa.Column('updated_at', sqlalchemy_utc.sqltypes.UtcDateTime(timezone=True), nullable=True),
    sa.ForeignKeyConstraint(['graph_id'], ['graph.id'], ),
    sa.ForeignKeyConstraint(['page_id'], ['page.id'], ),
    sa.ForeignKeyConstraint(['target_page_id'], ['page.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('tile')
    op.drop_table('page')
    op.drop_table('upload')
    op.drop_table('graph')
    # ### end Alembic commands ###