Update the code generator to plugin (#578)

* Update the code generator to plugin

* Fix get all tables return type

backend/plugin/code_generator/templates/python/crud.jinja

@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+from typing import Sequence
+
+from sqlalchemy import Select
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy_crud_plus import CRUDPlus
+
+from backend.app.{{ app_name }}.model import {{ table_name_class }}
+from backend.app.{{ app_name }}.schema.{{ table_name_en }} import Create{{ schema_name }}Param, Update{{ schema_name }}Param
+
+
+class CRUD{{ table_name_class }}(CRUDPlus[{{ schema_name }}]):
+    async def get(self, db: AsyncSession, pk: int) -> {{ table_name_class }} | None:
+        """
+        获取{{ table_name_zh }}
+
+        :param db: 数据库会话
+        :param pk: {{ table_simple_name_zh }} ID
+        :return:
+        """
+        return await self.select_model(db, pk)
+
+    async def get_list(self) -> Select:
+        """获取{{ table_name_zh }}列表"""
+        return await self.select_order('created_time', 'desc')
+
+    async def get_all(self, db: AsyncSession) -> Sequence[{{ table_name_class }}]:
+        """
+        获取所有{{ table_name_zh }}
+
+        :param db: 数据库会话
+        :return:
+        """
+        return await self.select_models(db)
+
+    async def create(self, db: AsyncSession, obj: Create{{ schema_name }}Param) -> None:
+        """
+        创建{{ table_name_zh }}
+
+        :param db: 数据库会话
+        :param obj: 创建{{ table_simple_name_zh }} 参数
+        :return:
+        """
+        await self.create_model(db, obj)
+
+    async def update(self, db: AsyncSession, pk: int, obj: Update{{ schema_name }}Param) -> int:
+        """
+        更新{{ table_name_zh }}
+
+        :param db: 数据库会话
+        :param pk: {{ table_simple_name_zh }} ID
+        :param obj: 更新 {{ table_simple_name_zh }} 参数
+        :return:
+        """
+        return await self.update_model(db, pk, obj)
+
+    async def delete(self, db: AsyncSession, pk: list[int]) -> int:
+        """
+        删除{{ table_name_zh }}
+
+        :param db: 数据库会话
+        :param pk: {{ table_simple_name_zh }} ID
+        :return:
+        """
+        return await self.delete_model_by_column(db, allow_multiple=True, id__in=pk)
+
+
+{{ table_name_en }}_dao: CRUD{{ table_name_class }} = CRUD{{ table_name_class }}({{ table_name_class }})