183 lines
8.0 KiB
Python
183 lines
8.0 KiB
Python
import json
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from apps.lyFormBuilder.models.models_lyFormBuilder import *
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from utils.jsonResponse import SuccessResponse,DetailResponse,ErrorResponse
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from utils.common import get_parameter_dic, ast_convert,starts_with_digit
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from utils.models import is_table_exists
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from rest_framework import serializers
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from utils.serializers import CustomModelSerializer
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from utils.viewset import CustomModelViewSet
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from utils.lyformbuilder.lygeneratecode import GenerateCode
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from django.db.models import Q
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from django.db import transaction
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import logging
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logger = logging.getLogger(__name__)
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class lyFormBuilderSerializer(CustomModelSerializer):
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"""
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表单构建 -序列化器
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"""
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def to_representation(self, instance): # 序列化
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ret = super().to_representation(instance)
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ret['formJson'] = ast_convert(ret['formJson']) # 可以保存的修改字段值的方法
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return ret
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class Meta:
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model = lyFormBuilder
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read_only_fields = ["id"]
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fields = '__all__'
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class lyFormBuilderCreateUpdateSerializer(CustomModelSerializer):
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"""
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表单构建 -序列化器
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"""
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formJson = serializers.JSONField()
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class Meta:
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model = lyFormBuilder
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read_only_fields = ["id"]
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fields = '__all__'
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class lyFormBuilderViewSet(CustomModelViewSet):
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"""
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后台表单构建 接口:
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"""
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queryset = lyFormBuilder.objects.filter(is_delete=False).order_by('-create_datetime')
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serializer_class = lyFormBuilderSerializer
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create_serializer_class = lyFormBuilderCreateUpdateSerializer
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update_serializer_class = lyFormBuilderCreateUpdateSerializer
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search_fields = ('class_name','verbose_name','db_table')
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# 重写delete方法，并改为逻辑删除
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def destroy(self, request, *args, **kwargs):
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real_delete = get_parameter_dic(request).get('real_delete',None)
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instance = self.get_object_list()
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if not real_delete:
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for i in range(len(instance)):
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instance[i].is_delete = True
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model = self.get_serializer().Meta.model
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model.objects.bulk_update(instance, fields=['is_delete'])
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return SuccessResponse(data=[], msg="删除成功")
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else:
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for i in range(len(instance)):
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serializer = self.get_serializer(instance[i])
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object = serializer.data
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if instance[i].is_mount:
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menu_instance = None
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if instance[i].menu:
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menu_instance = instance[i].menu
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newObject = json.loads(json.dumps(object['formJson']))
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newObject['class_name'] = object['class_name']
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newObject['file_name_old'] = object['file_name_old']
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GenerateCode().generate(newObject, True, menu_instance,True)
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self.perform_destroy(instance)
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return DetailResponse(msg="删除成功")
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def create(self, request, *args, **kwargs):
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params = request.data
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class_name = params.get('class_name',None)
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if starts_with_digit(class_name):
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return ErrorResponse(msg="类名【%s】不能以数字开头！！！"%class_name)
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db_table = params.get('db_table', None)
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if not all([class_name,db_table]):
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return ErrorResponse(msg="请先填写表单CRUD属性")
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if self.filter_queryset(self.get_queryset()).filter(Q(class_name=class_name)|Q(db_table=db_table)).exists():
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return ErrorResponse(msg="存在同名的类名或表名")
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if is_table_exists(db_table):
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return ErrorResponse(msg="存在同名的表名,请更改后再试")
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formJson = ast_convert(params.get('formJson', None))
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if not formJson or not len(formJson['widgetList'])>0:
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return ErrorResponse(msg="表单至少拥有一个组件")
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params['parent_menu'] = 35#系统工具
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params['file_name_old'] = class_name
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serializer = self.get_serializer(data=params, request=request)
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serializer.is_valid(raise_exception=True)
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self.perform_create(serializer)
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return DetailResponse(data=serializer.data, msg="新增成功")
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def editMenu(self,request):
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"""
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菜单配置
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"""
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params = request.data
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parent_menu = params.get('parent_menu',None)
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id = params.get('id',None)
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menu_sort = params.get('menu_sort',88)
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queryset = self.filter_queryset(self.get_queryset())
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instance = queryset.filter(id=id).first()
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if not instance:
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return ErrorResponse(msg="id error or no permission")
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instance.parent_menu = parent_menu
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instance.menu_sort = menu_sort
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instance.save()
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return DetailResponse(msg="更新成功")
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def previewCodeFormJSON(self,request):
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"""
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根据前端传递form表单json数据预览生成代码
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"""
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formJson = ast_convert(get_parameter_dic(request).get('formJson',None))
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if not formJson:
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return ErrorResponse(msg="参数错误")
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if formJson['formConfig']['jsonVersion'] !=1:
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return ErrorResponse(msg="版本错误")
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if formJson['formConfig']['modelClassName'] == "" or formJson['formConfig']['modelDbTable'] == "" or formJson['formConfig']['modelVerboseName'] == "":
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return SuccessResponse(data=[],total=0)
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data = GenerateCode().generate(formJson)
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return SuccessResponse(data=data,total=len(data))
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def generateMount(self,request):
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id = get_parameter_dic(request).get('id',None)
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instance = self.filter_queryset(self.get_queryset()).filter(id=id).first()
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if not instance:
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return ErrorResponse(msg="id error")
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serializer = self.get_serializer(instance)
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object = serializer.data
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# vue的route name
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VueIndexName = 'lyFormBuilder%s' % object['class_name']
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try:
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# 在事务开始前创建保存点
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save_id = transaction.savepoint()
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# 以下代码会在事务中执行
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# 配置路由菜单
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if instance.menu:
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menu_instance = instance.menu
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Menu.objects.filter(id=menu_instance.id).update(name=object['verbose_name'], web_path=VueIndexName,sort=object['menu_sort'],parent_id=object['parent_menu'])
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else:
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menu_instance,created = Menu.objects.get_or_create(name=object['verbose_name'], sort=object['menu_sort'],web_path=VueIndexName, isautopm=1)
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if object['parent_menu']:
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menu_instance.parent_id = object['parent_menu']
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menu_instance.save()
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instance.menu = menu_instance
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instance.save()
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newObject = json.loads(json.dumps(object['formJson']))
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newObject['class_name'] = object['class_name']
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newObject['file_name_old'] = object['file_name_old']
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data = GenerateCode().generate(newObject, True, menu_instance)
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if not data:
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# 回滚到保存点
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transaction.savepoint_rollback(save_id)
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return ErrorResponse(msg="生成文件错误")
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instance.file_name_old = object['class_name']
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instance.is_mount = True
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instance.save()
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# 提交从保存点到当前状态的所有数据库事务操作
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transaction.savepoint_commit(save_id)
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return DetailResponse(msg="操作成功")
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except Exception as e:
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# 回滚到保存点
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transaction.savepoint_rollback(save_id)
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# 处理代码
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raise e
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def syncdb(self,request):
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result = GenerateCode().syncdb()
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if result:
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return DetailResponse(msg="数据库同步成功")
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return ErrorResponse(msg="数据库同步失败，请查看后端IDE报错内容，或重启后端项目重试同步")
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