hberp/hb_server/apps/em/serializers.py

47 lines
1.5 KiB
Python

from apps.mtm.models import Step
from rest_framework import serializers
from rest_framework.serializers import ModelSerializer
from .models import Equipment,Equipmentrecord
from apps.system.serializers import OrganizationSimpleSerializer, UserSimpleSerializer
class EquipmentSerializer(ModelSerializer):
belong_dept_ = OrganizationSimpleSerializer(source='belong_dept', read_only=True)
keeper_ = UserSimpleSerializer(source='keeper', read_only=True)
step_ = serializers.SerializerMethodField()
class Meta:
model = Equipment
fields = '__all__'
@staticmethod
def setup_eager_loading(queryset):
""" Perform necessary eager loading of data. """
queryset = queryset.select_related('belong_dept','keeper')
return queryset
def get_step_(self, obj):
return Step.objects.filter(equipments=obj).values('id', 'name', 'number')
class EquipmentSimpleSerializer(ModelSerializer):
class Meta:
model = Equipment
fields = ['id', 'number', 'name']
class EquipmentrecordSerializer(ModelSerializer):
equipment_ = EquipmentSerializer(source='equipment', read_only=True)
class Meta:
model = Equipmentrecord
fields = '__all__'
@staticmethod
def setup_eager_loading(queryset):
""" Perform necessary eager loading of data. """
queryset = queryset.select_related('equipment')
return queryset
class DaqCreateSerializer(serializers.Serializer):
number = serializers.CharField()
file = serializers.FileField()