90 lines
4.7 KiB
Python
90 lines
4.7 KiB
Python
from rest_framework import serializers
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from apps.shop.models import Product, ProductCategory
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class CategoryManagementSerializer(serializers.ModelSerializer):
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order_cat = serializers.IntegerField(required=False, allow_null=True, min_value=0, max_value=2147483647)
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excel_order = serializers.IntegerField(required=False, allow_null=True, min_value=0, max_value=2147483647)
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product_count = serializers.IntegerField(read_only=True)
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child_count = serializers.IntegerField(read_only=True)
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parent = serializers.PrimaryKeyRelatedField(queryset=ProductCategory.objects.all(), allow_null=True, required=False)
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class Meta:
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model = ProductCategory
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fields = ('id', 'name', 'parent', 'image', 'order_cat', 'excel_order', 'product_count', 'child_count')
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def validate(self, attrs):
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workspace = self.context['workspace']
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parent = attrs.get('parent', self.instance.parent if self.instance else None)
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if parent and parent.sys_ws_id != workspace.pk:
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raise serializers.ValidationError({'parent': 'دسته والد متعلق به فضای کاری دیگری است.'})
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visited = set()
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cursor = parent
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while cursor:
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if cursor.pk in visited or self.instance and cursor.pk == self.instance.pk:
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raise serializers.ValidationError({'parent': 'انتخاب این والد باعث چرخه در دسته‌ها می‌شود.'})
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visited.add(cursor.pk)
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cursor = cursor.parent
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name = attrs.get('name', self.instance.name if self.instance else '')
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matches = ProductCategory.objects.filter(sys_ws=workspace, name=name, parent=parent)
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if self.instance:
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matches = matches.exclude(pk=self.instance.pk)
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if matches.exists():
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raise serializers.ValidationError({'name': 'این نام در همین دسته والد قبلاً ثبت شده است.'})
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return attrs
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class ProductManagementSerializer(serializers.ModelSerializer):
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order_prd = serializers.IntegerField(required=False, allow_null=True, min_value=0, max_value=2147483647)
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excel_order = serializers.IntegerField(required=False, allow_null=True, min_value=0, max_value=2147483647)
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category_name = serializers.CharField(source='category.name', read_only=True)
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price = serializers.IntegerField(min_value=0, max_value=9223372036854775807)
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category = serializers.PrimaryKeyRelatedField(queryset=ProductCategory.objects.all())
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acc_code = serializers.CharField(required=False, allow_blank=True, allow_null=True)
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class Meta:
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model = Product
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fields = ('id', 'name', 'price', 'category', 'category_name', 'acc_code', 'attr', 'view_only', 'order_prd', 'excel_order', 'created_at', 'updated_at')
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read_only_fields = ('id', 'created_at', 'updated_at')
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def validate_category(self, category):
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if category.sys_ws_id != self.context['workspace'].pk:
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raise serializers.ValidationError('دسته متعلق به فضای کاری دیگری است.')
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return category
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def validate_acc_code(self, code):
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if code:
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matches = Product.objects.filter(sys_ws=self.context['workspace'], acc_code=code)
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if self.instance:
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matches = matches.exclude(pk=self.instance.pk)
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if matches.exists():
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raise serializers.ValidationError('کد محصول در این فضای کاری تکراری است.')
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return code
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def validate_attr(self, value):
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if value is not None and not isinstance(value, dict):
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raise serializers.ValidationError('ویژگی‌ها باید یک شیء JSON باشد.')
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return value
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def to_representation(self, instance):
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data = super().to_representation(instance)
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data['price'] = str(instance.price)
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return data
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class ImportOptionsSerializer(serializers.Serializer):
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file = serializers.FileField()
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sheet = serializers.CharField(required=False, allow_blank=True, default='')
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header_row = serializers.IntegerField(min_value=1, max_value=100, default=1)
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mode = serializers.ChoiceField(choices=('create', 'upsert', 'update'), default='create')
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create_categories = serializers.BooleanField(default=True)
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errors = serializers.ChoiceField(choices=('atomic', 'skip'), default='atomic')
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ordering = serializers.ChoiceField(choices=('preserve', 'rows', 'append'), default='preserve')
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mapping = serializers.JSONField(default=dict)
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def validate_mapping(self, value):
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if not isinstance(value, dict) or not all(isinstance(key, str) and isinstance(item, str) for key, item in value.items()):
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raise serializers.ValidationError('نگاشت ستون‌ها باید شیء JSON با مقدارهای متنی باشد.')
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return value
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