mirror of
https://github.com/lemeow125/Borrowing-TrackerBackend.git
synced 2024-11-17 06:19:26 +08:00
68 lines
2.9 KiB
Python
68 lines
2.9 KiB
Python
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from rest_framework import serializers
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from accounts.models import CustomUser
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from equipments.models import EquipmentInstance
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from equipments.serializers import EquipmentInstanceSerializer
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from .models import Transaction
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from accounts.models import CustomUser
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from config.settings import DEBUG
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from .models import BreakageReport
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class BreakageReportSerializer(serializers.HyperlinkedModelSerializer):
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transaction = serializers.SlugRelatedField(
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many=False, slug_field='id', queryset=Transaction.objects.all(), required=True)
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equipments = serializers.SlugRelatedField(
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many=True, slug_field='id', queryset=EquipmentInstance.objects.all())
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class Meta:
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model = BreakageReport
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fields = ['id', 'transaction', 'equipments', 'status', 'timestamp']
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read_only_fields = ['id', 'timestamp']
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def update(self, instance, validated_data):
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transaction = validated_data.get('transaction')
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equipments = validated_data.get('equipments')
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user = self.context['request'].user
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if 'transaction' in validated_data:
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raise serializers.ValidationError({
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'equipments': 'You cannot change the associated transaction for a breakage report after it has been created'
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})
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if 'equipments' in validated_data:
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raise serializers.ValidationError({
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'equipments': 'You cannot change the equipments in a breakage report after it has been created'
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})
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if not DEBUG:
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if not user.is_teacher and 'status' in validated_data and validated_data['status'] != instance.status:
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raise serializers.ValidationError(
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"You do not have permission to change the status of a breakage report"
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)
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return super().update(instance, validated_data)
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def create(self, instance, validated_data):
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transaction = validated_data.get('transaction')
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equipments = validated_data.get('equipments')
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user = self.context['request'].user
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if transaction is None:
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raise serializers.ValidationError({
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'equipments': 'Please selected a transaction'
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})
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if equipments is None:
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raise serializers.ValidationError({
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'equipments': 'Please select equipments covered by the breakage report'
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})
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for equipment in equipments:
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if equipment not in transaction.equipments.all():
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raise serializers.ValidationError({
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'equipments': 'All equipments must be associated with the specified transaction'
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})
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if not DEBUG:
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if not user.is_teacher and 'status' in validated_data and validated_data['status'] != instance.status:
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raise serializers.ValidationError(
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"You do not have permission to create a breakage report"
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)
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return super().create(validated_data)
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