kami_apple_exchage/backend/alembic/versions/002_add_batch_tasks.py

"""Add batch tasks tables

Revision ID: 002
Revises: 001
Create Date: 2024-08-24 22:00:00.000000

"""

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision = "002"
down_revision = "001"
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Create batch_tasks table
    op.create_table(
        "batch_tasks",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column(
            "name", sa.String(length=255), nullable=False, comment="批量任务名称"
        ),
        sa.Column("description", sa.Text(), nullable=True, comment="任务描述"),
        sa.Column(
            "status",
            sa.Enum(
                "PENDING",
                "PROCESSING",
                "COMPLETED",
                "FAILED",
                "CANCELLED",
                name="batchtaskstatus",
            ),
            nullable=True,
            comment="任务状态",
        ),
        sa.Column("total_count", sa.Integer(), nullable=True, comment="总任务数量"),
        sa.Column("processed_count", sa.Integer(), nullable=True, comment="已处理数量"),
        sa.Column("success_count", sa.Integer(), nullable=True, comment="成功数量"),
        sa.Column("failed_count", sa.Integer(), nullable=True, comment="失败数量"),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=True,
            comment="创建时间",
        ),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=True,
            comment="更新时间",
        ),
        sa.Column(
            "started_at",
            sa.DateTime(timezone=True),
            nullable=True,
            comment="开始处理时间",
        ),
        sa.Column(
            "completed_at",
            sa.DateTime(timezone=True),
            nullable=True,
            comment="完成时间",
        ),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_batch_tasks_id"), "batch_tasks", ["id"], unique=False)

    # Create batch_task_items table
    op.create_table(
        "batch_task_items",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("batch_task_id", sa.Integer(), nullable=False, comment="批量任务ID"),
        sa.Column(
            "order_url", sa.String(length=1000), nullable=False, comment="订单链接"
        ),
        sa.Column(
            "amount",
            sa.Numeric(precision=10, scale=2),
            nullable=False,
            comment="订单金额",
        ),
        sa.Column(
            "status",
            sa.Enum(
                "PENDING",
                "PROCESSING",
                "SUCCESS",
                "FAILED",
                "SKIPPED",
                name="batchtaskitemstatus",
            ),
            nullable=True,
            comment="任务项状态",
        ),
        sa.Column(
            "order_number", sa.String(length=255), nullable=True, comment="生成的订单号"
        ),
        sa.Column(
            "final_order_url",
            sa.String(length=1000),
            nullable=True,
            comment="最终订单URL",
        ),
        sa.Column("failure_reason", sa.Text(), nullable=True, comment="失败原因"),
        sa.Column("retry_count", sa.Integer(), nullable=True, comment="重试次数"),
        sa.Column("max_retries", sa.Integer(), nullable=True, comment="最大重试次数"),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=True,
            comment="创建时间",
        ),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=True,
            comment="更新时间",
        ),
        sa.Column(
            "started_at",
            sa.DateTime(timezone=True),
            nullable=True,
            comment="开始处理时间",
        ),
        sa.Column(
            "completed_at",
            sa.DateTime(timezone=True),
            nullable=True,
            comment="完成时间",
        ),
        sa.PrimaryKeyConstraint("id"),
        sa.ForeignKeyConstraint(
            ["batch_task_id"], ["batch_tasks.id"], ondelete="CASCADE"
        ),
    )
    op.create_index(
        op.f("ix_batch_task_items_id"), "batch_task_items", ["id"], unique=False
    )
    op.create_index(
        "ix_batch_task_items_batch_task_id",
        "batch_task_items",
        ["batch_task_id"],
        unique=False,
    )
    op.create_index(
        "ix_batch_task_items_status", "batch_task_items", ["status"], unique=False
    )


def downgrade() -> None:
    # Drop indexes
    op.drop_index("ix_batch_task_items_status", table_name="batch_task_items")
    op.drop_index("ix_batch_task_items_batch_task_id", table_name="batch_task_items")
    op.drop_index(op.f("ix_batch_task_items_id"), table_name="batch_task_items")
    op.drop_index(op.f("ix_batch_tasks_id"), table_name="batch_tasks")

    # Drop tables
    op.drop_table("batch_task_items")
    op.drop_table("batch_tasks")

    # Drop enums
    op.execute("DROP TYPE IF EXISTS batchtaskitemstatus")
    op.execute("DROP TYPE IF EXISTS batchtaskstatus")