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33 lines
824 B
33 lines
824 B
2 years ago
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from django import forms
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from django.contrib import admin
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from django.core.exceptions import ValidationError
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from .models import Child
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from .models import Parent
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class ChildInlineFormset(forms.models.BaseInlineFormSet):
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def clean(self):
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sum = 0
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for form in self.forms:
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if (
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form.is_valid()
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and "proportion" in form.cleaned_data
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and not form.cleaned_data["DELETE"]
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):
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sum += form.cleaned_data["proportion"]
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print(f">>> total proportion: {sum}")
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if sum > 100:
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raise ValidationError("Invalid proportion")
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class ChildAdmin(admin.TabularInline):
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model = Child
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formset = ChildInlineFormset
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@admin.register(Parent)
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class ParentAdmin(admin.ModelAdmin):
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inlines = [ChildAdmin]
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