init: 初始化 dpb 桃育种系统代码库

前后端 + 后端 FastAPI 全量源码、部署脚本与文档。
2026-08-06 00:17:49 +08:00
commit b95053c52c
1469 changed files with 322298 additions and 0 deletions
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+from typing import Any
+
+from fastapi import UploadFile
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.base_schema import AuthSchema, BatchSetAvailable, PageResultSchema
+from app.core.exceptions import CustomException
+from app.core.logger import logger
+from app.utils.common_util import search_to_dict
+from app.utils.excel_util import ExcelUtil
+
+from .crud import DemoCRUD
+from .schema import (
+    DemoCreateSchema,
+    DemoOutSchema,
+    DemoQueryParam,
+    DemoUpdateSchema,
+)
+
+
+class DemoService:
+    """示例管理模块服务层"""
+
+    def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
+        self.auth = auth
+        self.db = db
+
+    async def detail(self, id: int) -> DemoOutSchema:
+        obj = await DemoCRUD(self.auth, self.db).get(id=id)
+        if not obj:
+            raise CustomException(msg="该数据不存在")
+        return DemoOutSchema.model_validate(obj)
+
+    async def get_list(
+        self,
+        search: DemoQueryParam | None = None,
+        order_by: list[dict[str, str]] | None = None,
+    ) -> list[DemoOutSchema]:
+        obj_list = await DemoCRUD(self.auth, self.db).get_list(search=search_to_dict(search), order_by=order_by)
+        return [DemoOutSchema.model_validate(obj) for obj in obj_list]
+
+    async def page(
+        self,
+        page_no: int,
+        page_size: int,
+        search: DemoQueryParam | None = None,
+        order_by: list[dict[str, str]] | None = None,
+    ) -> PageResultSchema[DemoOutSchema]:
+        offset = (page_no - 1) * page_size
+        return await DemoCRUD(self.auth, self.db).page(
+            offset=offset,
+            limit=page_size,
+            order_by=order_by or [{"id": "asc"}],
+            search=search_to_dict(search, {}),
+            out_schema=DemoOutSchema,
+        )
+
+    async def create(self, data: DemoCreateSchema) -> DemoOutSchema:
+        obj = await DemoCRUD(self.auth, self.db).get(name=data.name)
+        if obj:
+            raise CustomException(msg="创建失败，名称已存在")
+        obj = await DemoCRUD(self.auth, self.db).create(data=data)
+        return DemoOutSchema.model_validate(obj)
+
+    async def update(self, id: int, data: DemoUpdateSchema) -> DemoOutSchema:
+        obj = await DemoCRUD(self.auth, self.db).get(id=id)
+        if not obj:
+            raise CustomException(msg="更新失败，该数据不存在")
+
+        exist_obj = await DemoCRUD(self.auth, self.db).get(name=data.name)
+        if exist_obj and exist_obj.id != id:
+            raise CustomException(msg="更新失败，名称重复")
+
+        obj = await DemoCRUD(self.auth, self.db).update(id=id, data=data)
+        return DemoOutSchema.model_validate(obj)
+
+    async def delete(self, ids: list[int]) -> None:
+        if not ids:
+            raise CustomException(msg="删除失败，删除对象不能为空")
+        objs = await DemoCRUD(self.auth, self.db).get_list(search={"id": ("in", ids)})
+        obj_map = {o.id: o for o in objs}
+        for id_ in ids:
+            if id_ not in obj_map:
+                raise CustomException(msg="删除失败，该数据不存在")
+        await DemoCRUD(self.auth, self.db).delete(ids=ids)
+
+    async def set_available(self, data: BatchSetAvailable) -> None:
+        await DemoCRUD(self.auth, self.db).set(ids=data.ids, status=data.status)
+
+    @staticmethod
+    def batch_export(obj_list: list[dict[str, Any]]) -> bytes:
+        mapping_dict = {
+            "id": "编号",
+            "name": "名称",
+            "status": "状态",
+            "description": "备注",
+            "created_time": "创建时间",
+            "updated_time": "更新时间",
+            "created_id": "创建者",
+        }
+
+        data = obj_list.copy()
+        for item in data:
+            item["status"] = "启用" if item.get("status") == 0 else "停用"
+            creator_info = item.get("created_id")
+            if isinstance(creator_info, dict):
+                item["created_id"] = creator_info.get("name", "未知")
+            else:
+                item["created_id"] = "未知"
+
+        return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict)
+
+    async def batch_import(self, file: UploadFile, update_support: bool = False) -> str:
+        header_dict = {"名称": "name", "状态": "status", "描述": "description"}
+
+        try:
+            contents = await file.read()
+            rows = ExcelUtil.read_excel_to_dicts(contents)
+            await file.close()
+
+            if not rows:
+                raise CustomException(msg="导入文件为空")
+
+            missing_headers = [h for h in header_dict if h not in rows[0]]
+            if missing_headers:
+                raise CustomException(msg=f"导入文件缺少必要的列: {', '.join(missing_headers)}")
+
+            # 将中文字段名映射为英文字段
+            mapped_rows = []
+            for row in rows:
+                mapped_rows.append({en: row.get(ch) for ch, en in header_dict.items()})
+
+            required_fields = ["name", "status"]
+            errors = []
+            for field in required_fields:
+                missing_indices = [i + 1 for i, r in enumerate(mapped_rows) if r.get(field) is None]
+                if missing_indices:
+                    field_name = next(k for k, v in header_dict.items() if v == field)
+                    rows_str = "、".join(str(i) for i in missing_indices)
+                    errors.append(f"{field_name}不能为空，第{rows_str}行")
+            if errors:
+                raise CustomException(msg=f"导入失败，以下行缺少必要字段：\n{'; '.join(errors)}")
+
+            error_msgs = []
+            success_count = 0
+
+            for i, row in enumerate(mapped_rows, start=1):
+                try:
+                    status_str = str(row["status"]).strip()
+                    if status_str == "正常":
+                        status = 0
+                    elif status_str == "停用":
+                        status = 1
+                    else:
+                        error_msgs.append(f"第{i}行: 状态必须是'正常'或'停用'")
+                        continue
+
+                    create_data = DemoCreateSchema(
+                        name=str(row["name"]),
+                        status=status,
+                        description=str(row["description"] or ""),
+                    )
+
+                    exists_obj = await DemoCRUD(self.auth, self.db).get(name=create_data.name)
+                    if exists_obj:
+                        if update_support:
+                            update_data = DemoUpdateSchema(
+                                name=create_data.name,
+                                status=create_data.status,
+                                description=create_data.description,
+                            )
+                            await DemoCRUD(self.auth, self.db).update(id=exists_obj.id, data=update_data)
+                            success_count += 1
+                        else:
+                            error_msgs.append(f"第{i}行: 对象 {create_data.name} 已存在")
+                    else:
+                        await DemoCRUD(self.auth, self.db).create(data=create_data)
+                        success_count += 1
+
+                except Exception as e:
+                    error_msgs.append(f"第{i}行: {e!s}")
+                    continue
+
+            result = f"成功导入 {success_count} 条数据"
+            if error_msgs:
+                result += "\n错误信息:\n" + "\n".join(error_msgs)
+            return result
+
+        except Exception as e:
+            logger.error(f"批量导入用户失败: {e!s}")
+            raise CustomException(msg=f"导入失败: {e!s}")
+
+    @staticmethod
+    def import_template_download() -> bytes:
+        header_list = ["名称", "状态", "描述"]
+        selector_header_list = ["状态"]
+        option_list = [{"状态": ["正常", "停用"]}]
+        return ExcelUtil.get_excel_template(
+            header_list=header_list,
+            selector_header_list=selector_header_list,
+            option_list=option_list,
+        )