55eae8bd7f1e_initial_schema.py

"""initial schema

Revision ID: 55eae8bd7f1e
Revises:
Create Date: 2019-10-09 20:59:21.799403

"""

from datetime import datetime, timezone

import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = "55eae8bd7f1e"
down_revision = None
branch_labels = None
depends_on = None

status_table = sa.table(
    "status",
    sa.column("id", sa.Integer),
    sa.column("name", sa.String),
    sa.column("created_at", sa.DateTime),
    sa.column("updated_at", sa.DateTime),
)


def upgrade():
    bind = op.get_bind()
    op.create_table(
        "status",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("name", sa.String(), nullable=True),
        sa.Column("created_at", sa.DateTime(), nullable=True),
        sa.Column("updated_at", sa.DateTime(), nullable=False),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(
        op.f("ix_status_created_at"), "status", ["created_at"], unique=False
    )
    op.create_index(op.f("ix_status_id"), "status", ["id"], unique=False)
    op.create_index(
        op.f("ix_status_updated_at"), "status", ["updated_at"], unique=False
    )
    op.create_table(
        "events",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("book_id", sa.String(), nullable=True),
        sa.Column("status_id", sa.Integer(), nullable=True),
        sa.Column("created_at", sa.DateTime(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), nullable=False),
        sa.ForeignKeyConstraint(
            ["status_id"],
            ["status.id"],
        ),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(
        op.f("ix_events_book_id"), "events", ["book_id"], unique=False
    )
    op.create_index(
        op.f("ix_events_created_at"), "events", ["created_at"], unique=False
    )
    op.create_index(op.f("ix_events_id"), "events", ["id"], unique=False)
    # ### end Alembic commands ###
    utcnow = datetime.now(timezone.utc)

    status_data = [
        {"name": "queued", "created_at": utcnow, "updated_at": utcnow},
        {"name": "assigned", "created_at": utcnow, "updated_at": utcnow},
        {"name": "processing", "created_at": utcnow, "updated_at": utcnow},
        {"name": "failed", "created_at": utcnow, "updated_at": utcnow},
        {"name": "completed", "created_at": utcnow, "updated_at": utcnow},
    ]

    insert = status_table.insert().values(status_data)

    bind.execute(insert)


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f("ix_events_id"), table_name="events")
    op.drop_index(op.f("ix_events_created_at"), table_name="events")
    op.drop_index(op.f("ix_events_book_id"), table_name="events")
    op.drop_table("events")
    op.drop_index(op.f("ix_status_updated_at"), table_name="status")
    op.drop_index(op.f("ix_status_id"), table_name="status")
    op.drop_index(op.f("ix_status_created_at"), table_name="status")
    op.drop_table("status")
    # ### end Alembic commands ###