# coding=utf-8 """ @project: maxkb @Author：虎 @file： dataset_serializers.py @date：2023/9/21 16:14 @desc: """ import os.path import uuid from functools import reduce from typing import Dict from django.core import validators from django.db import transaction, models from django.db.models import QuerySet from drf_yasg import openapi from rest_framework import serializers from common.db.search import get_dynamics_model, native_page_search, native_search from common.exception.app_exception import AppApiException from common.mixins.api_mixin import ApiMixin from common.util.file_util import get_file_content from dataset.models.data_set import DataSet, Document, Paragraph from dataset.serializers.document_serializers import CreateDocumentSerializers from smartdoc.conf import PROJECT_DIR from users.models import User """ # __exact 精确等于 like ‘aaa’ # __iexact 精确等于 忽略大小写 ilike 'aaa' # __contains 包含like '%aaa%' # __icontains 包含 忽略大小写 ilike ‘%aaa%’，但是对于sqlite来说，contains的作用效果等同于icontains。 # __gt 大于 # __gte 大于等于 # __lt 小于 # __lte 小于等于 # __in 存在于一个list范围内 # __startswith 以…开头 # __istartswith 以…开头 忽略大小写 # __endswith 以…结尾 # __iendswith 以…结尾，忽略大小写 # __range 在…范围内 # __year 日期字段的年份 # __month 日期字段的月份 # __day 日期字段的日 # __isnull=True/False """ class DataSetSerializers(serializers.ModelSerializer): class Meta: model = DataSet fields = ['id', 'name', 'desc', 'create_time', 'update_time'] class Query(ApiMixin, serializers.Serializer): """ 查询对象 """ name = serializers.CharField(required=False, validators=[ validators.MaxLengthValidator(limit_value=20, message="数据集名称在1-20个字符之间"), validators.MinLengthValidator(limit_value=1, message="数据集名称在1-20个字符之间") ]) desc = serializers.CharField(required=False, validators=[ validators.MaxLengthValidator(limit_value=256, message="数据集名称在1-256个字符之间"), validators.MinLengthValidator(limit_value=1, message="数据集名称在1-256个字符之间") ]) def get_query_set(self): query_set = QuerySet(model=get_dynamics_model( {'dataset.name': models.CharField(), 'dataset.desc': models.CharField(), "document_temp.char_length": models.IntegerField()})) if "desc" in self.data: query_string = {'dataset.desc__contains', self.data.get("desc")} query_set = query_set.filter(query_string) if "name" in self.data: query_string = {'dataset.name__contains', self.data.get("name")} query_set = query_set.filter(query_string) return query_set def page(self, current_page: int, page_size: int): return native_page_search(current_page, page_size, self.get_query_set(), select_string=get_file_content( os.path.join(PROJECT_DIR, "apps", "dataset", 'sql', 'list_dataset.sql')), post_records_handler=lambda r: r) def list(self): return native_search(self.get_query_set(), select_string=get_file_content( os.path.join(PROJECT_DIR, "apps", "dataset", 'sql', 'list_dataset.sql'))) @staticmethod def get_request_params_api(): return [openapi.Parameter(name='name', in_=openapi.IN_QUERY, type=openapi.TYPE_STRING, required=False, description='数据集名称'), openapi.Parameter(name='desc', in_=openapi.IN_QUERY, type=openapi.TYPE_STRING, required=False, description='数据集描述') ] @staticmethod def get_response_body_api(): return openapi.Schema(type=openapi.TYPE_ARRAY, title="数据集列表", description="数据集列表", items=DataSetSerializers.Operate.get_response_body_api()) class Create(ApiMixin, serializers.Serializer): """ 创建序列化对象 """ name = serializers.CharField(required=True, validators=[ validators.MaxLengthValidator(limit_value=20, message="数据集名称在1-20个字符之间"), validators.MinLengthValidator(limit_value=1, message="数据集名称在1-20个字符之间") ]) desc = serializers.CharField(required=True, validators=[ validators.MaxLengthValidator(limit_value=256, message="数据集名称在1-256个字符之间"), validators.MinLengthValidator(limit_value=1, message="数据集名称在1-256个字符之间") ]) documents = CreateDocumentSerializers(required=False, many=True) def is_valid(self, *, raise_exception=False): super().is_valid(raise_exception=True) return True @transaction.atomic def save(self, user: User): dataset_id = uuid.uuid1() dataset = DataSet( **{'id': dataset_id, 'name': self.data.get("name"), 'desc': self.data.get('desc'), 'user': user}) document_model_list = [] paragraph_model_list = [] if 'documents' in self.data: documents = self.data.get('documents') for document in documents: document_model = Document(**{'dataset': dataset, 'id': uuid.uuid1(), 'name': document.get('name'), 'char_length': reduce(lambda x, y: x + y, list( map(lambda p: len(p), document.get("paragraphs"))), 0)}) document_model_list.append(document_model) if 'paragraphs' in document: paragraph_model_list += list(map(lambda p: Paragraph( **{'document': document_model, 'id': uuid.uuid1(), 'content': p}), document.get('paragraphs'))) # 插入数据集 dataset.save() # 插入文档 QuerySet(Document).bulk_create(document_model_list) if len(document_model_list) > 0 else None # 插入段落 QuerySet(Paragraph).bulk_create(paragraph_model_list) if len(paragraph_model_list) > 0 else None return True @staticmethod def get_request_body_api(): return openapi.Schema( type=openapi.TYPE_OBJECT, required=['name', 'desc'], properties={ 'name': openapi.Schema(type=openapi.TYPE_STRING, title="数据集名称", description="数据集名称"), 'desc': openapi.Schema(type=openapi.TYPE_STRING, title="数据集描述", description="数据集描述"), 'documents': openapi.Schema(type=openapi.TYPE_ARRAY, title="文档数据", description="文档数据", items=CreateDocumentSerializers().get_request_body_api() ) } ) class Operate(ApiMixin, serializers.Serializer): id = serializers.CharField(required=True) def is_valid(self, *, raise_exception=True): super().is_valid(raise_exception=True) if not QuerySet(DataSet).filter(id=self.data.get("id")).exists(): raise AppApiException(300, "id不存在") @transaction.atomic def delete(self): self.is_valid() dataset = QuerySet(DataSet).get(id=self.data.get("id")) document_list = QuerySet(Document).filter(dataset=dataset) QuerySet(Paragraph).filter(document__in=document_list).delete() document_list.delete() dataset.delete() return True def one(self, with_valid=True): if with_valid: self.is_valid() query_string = {'dataset.id', self.data.get("id")} query_set = QuerySet(model=get_dynamics_model( {'dataset.id': models.UUIDField()})).filter(query_string) return native_search(query_set, select_string=get_file_content( os.path.join(PROJECT_DIR, "apps", "dataset", 'sql', 'list_dataset.sql')), with_search_one=True) def edit(self, dataset: Dict): """ 修改数据集 :param dataset: Dict name desc :return: """ self.is_valid() _dataset = QuerySet(DataSet).get(id=self.data.get("id")) if "name" in dataset: _dataset.name = dataset.get("name") if 'desc' in dataset: _dataset.desc = dataset.get("desc") _dataset.save() return self.one(with_valid=False) @staticmethod def get_request_body_api(): return openapi.Schema( type=openapi.TYPE_OBJECT, required=['name', 'desc'], properties={ 'name': openapi.Schema(type=openapi.TYPE_STRING, title="数据集名称", description="数据集名称"), 'desc': openapi.Schema(type=openapi.TYPE_STRING, title="数据集描述", description="数据集描述") } ) @staticmethod def get_response_body_api(): return openapi.Schema( type=openapi.TYPE_OBJECT, required=['id', 'name', 'desc', 'user_id', 'char_length', 'document_count', 'update_time', 'create_time'], properties={ 'id': openapi.Schema(type=openapi.TYPE_STRING, title="id", description="id", default="xx"), 'name': openapi.Schema(type=openapi.TYPE_STRING, title="名称", description="名称", default="测试数据集"), 'desc': openapi.Schema(type=openapi.TYPE_STRING, title="描述", description="描述", default="测试数据集描述"), 'user_id': openapi.Schema(type=openapi.TYPE_STRING, title="所属用户id", description="所属用户id", default="user_xxxx"), 'char_length': openapi.Schema(type=openapi.TYPE_STRING, title="字符数", description="字符数", default=10), 'document_count': openapi.Schema(type=openapi.TYPE_STRING, title="文档数量", description="文档数量", default=1), 'update_time': openapi.Schema(type=openapi.TYPE_STRING, title="修改时间", description="修改时间", default="1970-01-01 00:00:00"), 'create_time': openapi.Schema(type=openapi.TYPE_STRING, title="创建时间", description="创建时间", default="1970-01-01 00:00:00" ) } ) @staticmethod def get_request_params_api(): return [openapi.Parameter(name='id', in_=openapi.IN_PATH, type=openapi.TYPE_STRING, required=False, description='数据集id') ]