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113 lines
5.4 KiB
Python
113 lines
5.4 KiB
Python
from app.api.v1.module_common.file.crud import FileCRUD
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from app.core.base_schema import AuthSchema
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from app.core.exceptions import CustomException
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from .crud import EnergyReportTemplateCRUD
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from .schema import (
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EnergyReportTemplateCreateSchema,
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EnergyReportTemplateOutSchema,
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EnergyReportTemplateQueryParam,
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EnergyReportTemplateUpdateSchema,
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)
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ENERGY_REPORT_TEMPLATE_BUSINESS_TYPE = "energy_report_template"
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class EnergyReportTemplateService:
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"""能源报告模板服务。"""
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def __init__(self, auth: AuthSchema) -> None:
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self.auth = auth
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async def detail(self, id: int) -> EnergyReportTemplateOutSchema:
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template = await EnergyReportTemplateCRUD(self.auth).get_or_404(id=id)
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return self._to_out_schema(template)
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async def page(
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self,
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page_no: int,
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page_size: int,
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search: EnergyReportTemplateQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> dict:
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offset = (page_no - 1) * page_size
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page_result = await EnergyReportTemplateCRUD(self.auth).page(
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offset=offset,
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limit=page_size,
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order_by=order_by or [{"order": "asc"}, {"id": "desc"}],
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search=vars(search) if search else None,
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out_schema=EnergyReportTemplateOutSchema,
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)
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for item in page_result.items:
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file_info = item.get("file") or {}
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item["file_url"] = file_info.get("file_url")
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item["original_name"] = file_info.get("original_name")
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item["object_name"] = file_info.get("object_name")
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return page_result
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async def create(self, data: EnergyReportTemplateCreateSchema) -> EnergyReportTemplateOutSchema:
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await self._validate_unique_name(template_name=data.template_name)
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await self._validate_file(file_id=data.file_id)
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template = await EnergyReportTemplateCRUD(self.auth).create(data=data)
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await self._bind_file(file_id=data.file_id, template_id=template.id)
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return self._to_out_schema(template)
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async def update(self, id: int, data: EnergyReportTemplateUpdateSchema) -> EnergyReportTemplateOutSchema:
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old_template = await EnergyReportTemplateCRUD(self.auth).get_or_404(id=id, msg="更新失败，能源报告模板不存在")
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await self._validate_unique_name(template_name=data.template_name, exclude_id=id)
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await self._validate_file(file_id=data.file_id, current_template_id=id)
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template = await EnergyReportTemplateCRUD(self.auth).update(id=id, data=data)
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if old_template.file_id != data.file_id:
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await self._unbind_file(file_id=old_template.file_id, template_id=id)
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await self._bind_file(file_id=data.file_id, template_id=id)
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return self._to_out_schema(template)
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async def delete(self, ids: list[int]) -> None:
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if len(ids) < 1:
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raise CustomException(msg="删除失败，删除对象不能为空")
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templates = await EnergyReportTemplateCRUD(self.auth).get_list(search={"id": ("in", ids)})
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template_map = {template.id: template for template in templates}
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for template_id in ids:
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if template_id not in template_map:
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raise CustomException(msg="删除失败，能源报告模板不存在")
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for template in templates:
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await self._unbind_file(file_id=template.file_id, template_id=template.id)
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await EnergyReportTemplateCRUD(self.auth).delete(ids=ids)
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def _to_out_schema(self, template) -> EnergyReportTemplateOutSchema:
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template_out = EnergyReportTemplateOutSchema.model_validate(template)
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if template_out.file:
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template_out.file_url = template_out.file.file_url
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template_out.original_name = template_out.file.original_name
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template_out.object_name = template_out.file.object_name
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return template_out
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async def _validate_unique_name(self, template_name: str, exclude_id: int | None = None) -> None:
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template = await EnergyReportTemplateCRUD(self.auth).get(template_name=template_name)
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if template and template.id != exclude_id:
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raise CustomException(msg="能源报告模板名称已存在")
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async def _validate_file(self, file_id: int, current_template_id: int | None = None) -> None:
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file_record = await FileCRUD(self.auth).get(id=file_id)
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if not file_record:
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raise CustomException(msg="文件记录不存在")
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if file_record.business_type and file_record.business_type != ENERGY_REPORT_TEMPLATE_BUSINESS_TYPE:
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raise CustomException(msg="文件已绑定到其他业务类型")
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if file_record.business_id and file_record.business_id != current_template_id:
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raise CustomException(msg="文件已绑定到其他能源报告模板")
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async def _bind_file(self, file_id: int, template_id: int) -> None:
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await FileCRUD(self.auth).set(
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ids=[file_id],
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business_type=ENERGY_REPORT_TEMPLATE_BUSINESS_TYPE,
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business_id=template_id,
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)
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async def _unbind_file(self, file_id: int, template_id: int) -> None:
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file_record = await FileCRUD(self.auth).get(id=file_id)
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if not file_record:
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return
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if file_record.business_type == ENERGY_REPORT_TEMPLATE_BUSINESS_TYPE and file_record.business_id == template_id:
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await FileCRUD(self.auth).set(ids=[file_id], business_id=None)
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