102 lines
2.9 KiB
Python
102 lines
2.9 KiB
Python
from django.conf import settings
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from django.core.paginator import Paginator
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from django import forms
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from django.db import models
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from django.views.generic import TemplateView
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from django.shortcuts import get_object_or_404, render
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class FilteredQuerysetMixin:
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queryset = None
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filter_class = None
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def get_filter_class(self):
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return self.filter_class
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def get_queryset(self):
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filter_cls = self.get_filter_class()
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filter_obj = filter_cls(self.request.GET)
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filter_obj.is_valid()
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qs = filter_obj.filter_queryset(self.queryset)
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return qs
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class PaginatedQuerysetMixin:
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objects_per_page = settings.ITEMS_PER_PAGE or 20
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def get_paginated_queryset(self, qs):
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paginator = Paginator(qs, self.objects_per_page)
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page = self.request.GET.get("page", 1)
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qs = paginator.get_page(page)
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return qs
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class StylingMixin:
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placeholder_for_field = {}
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styled_fields = []
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.style_fields()
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def style_fields(self):
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for field_name in self.styled_fields:
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field = self.fields[field_name]
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field.required = True
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field.widget.attrs.update(
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{
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"class": "my-2 bg-gray-50 border border-gray-300 text-gray-900 sm:text-sm rounded-lg "
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"focus:ring-primary-600 focus:border-primary-600 block w-full p-2.5 dark:bg-gray-700 "
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"dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-primary-500 "
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"dark:focus:border-primary-500"
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}
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)
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if self.placeholder_for_field.get(field_name):
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field.widget.attrs.update(
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{
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"placeholder": self.placeholder_for_field.get(field_name),
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}
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)
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class ReadUpdateView(TemplateView):
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model: models.Model = None
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form_class: forms.ModelForm = None
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template_name: str = ""
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ok_template_name: str = ""
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error_template_name: str = ""
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def get_model(self):
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return self.model
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def get_object(self):
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pk = self.kwargs.get('pk')
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cls = self.get_model()
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return get_object_or_404(cls, pk=pk)
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def get_initial_values(self, instance):
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return {}
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def get_context_data(self, **kwargs):
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instance = self.get_object()
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form = self.form_class(initial=self.get_initial_values(instance))
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return {
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"form": form,
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}
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def post(self, request, *args, **kwargs):
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form = self.form_class(request.POST)
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if form.is_valid():
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instance = form.save()
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return render(request, self.ok_template_name, {
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"form": form,
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"instance": instance,
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})
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return render(request, self.error_template_name, {
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"form": form,
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})
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