# -*- coding: utf-8 -*-
import django_filters
from apps.lyworkflow.models import *
from rest_framework import serializers
from utils.viewset import CustomModelViewSet
from utils.serializers import CustomModelSerializer
from utils.common import ast_convert
from utils.jsonResponse import SuccessResponse,ErrorResponse,DetailResponse

class LYWorkflowFilterSet(django_filters.rest_framework.FilterSet):
    #开始时间
    beginAt = django_filters.DateTimeFilter(field_name='create_datetime', lookup_expr='gte')  # 指定过滤的字段
    #结束时间
    endAt = django_filters.DateTimeFilter(field_name='create_datetime', lookup_expr='lte')
    name = django_filters.CharFilter(field_name='name',lookup_expr='icontains')

    class Meta:
        model = LYWorkflow
        fields = ['beginAt', 'endAt', 'name']

class LYWorkflowSerializer(CustomModelSerializer):
    """
    LYWorkflow 序列化器
    """

    class Meta:
        model = LYWorkflow
        read_only_fields = ["id"]
        fields = '__all__'       

class LYWorkflowViewSet(CustomModelViewSet):
    """
    LYWorkflow 接口
    """
    queryset = LYWorkflow.objects.filter(is_delete=False).order_by("-create_datetime")
    serializer_class = LYWorkflowSerializer
    filterset_class = LYWorkflowFilterSet
    
     #重写delete方法，并改为逻辑删除
    def destroy(self, request, *args, **kwargs):
        instance = self.get_object_list()
        for i in range(len(instance)):
            instance[i].is_delete = True
        model = self.get_serializer().Meta.model
        model.objects.bulk_update(instance,fields=['is_delete'])
        return DetailResponse(msg="删除成功")
    
    def opstatus(self,request,*args, **kwargs):
        """状态操作"""
        instance = LYWorkflow.objects.filter(id=kwargs.get('pk')).first()
        if instance:
            instance.status =0 if instance.status == 1 else 1
            instance.save()
            return SuccessResponse(data=None, msg="修改成功")
        else:
            return ErrorResponse(msg="未获取到数据")