121 lines
4.0 KiB
Python
121 lines
4.0 KiB
Python
from django.shortcuts import redirect
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from django.views.generic import TemplateView, DetailView
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from django.contrib.auth.mixins import LoginRequiredMixin
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from ..models import Distributor
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from django.core.paginator import Paginator
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from django.db.models import ProtectedError
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from ..forms import *
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from django.db.models import Q
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from .generic_views import BaseTemplateMixin
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class DistributorView(LoginRequiredMixin, BaseTemplateMixin, TemplateView):
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template_name = 'parts/distributors.html'
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base_title = 'Distributors'
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navbar_selected = 'Distributors'
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default_page_size = 25
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def search_distributors(self, search):
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qs = Distributor.objects.all()
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if not search:
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return qs
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search_fragments = search.strip().split()
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for search in search_fragments:
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qs = qs.filter(Q(name__icontains = search) | Q(website__icontains = search))
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return qs
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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page_num = self.request.GET.get('page', default=1)
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search_string = self.request.GET.get('search', default=None)
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queryset = self.search_distributors(search_string)
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paginator = Paginator(queryset, self.default_page_size)
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context['search_string'] = search_string
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context['distributors'] = paginator.get_page(page_num)
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context['new_distri_form'] = DistributorForm()
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return context
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def handle_add_new_distributor(self, request):
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form = DistributorForm(data=request.POST, files=request.FILES)
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if form.is_valid():
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form.save()
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context = self.get_context_data()
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if not form.is_valid():
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context['new_distri_form'] = form
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return self.render_to_response(context)
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def post(self, request, *args, **kwargs):
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if 'submit-distri-add-new' in request.POST:
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return self.handle_add_new_distributor(request)
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return super().post(request, *args, **kwargs)
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class DistributorDetailView(LoginRequiredMixin, BaseTemplateMixin, DetailView):
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template_name = 'parts/distributors-detail.html'
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model = Distributor
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pk_url_kwarg = 'uuid'
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base_title = ''
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navbar_selected = 'Distributors'
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def get_context_data(self, **kwargs):
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self.base_title = 'Distributor / '+self.object.name
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context = super().get_context_data(**kwargs)
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context['distributor'] = self.object
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context['edit_form'] = DistributorForm(instance=self.object)
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return context
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def handle_delete_distributor(self, request):
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delete_error = None
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protected_objects = None
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# Try to delete this instance
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try:
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self.object.delete()
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except ProtectedError as pe:
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delete_error = 'Cannot delete this distributor. It is referenced by a component.'
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protected_objects = pe.protected_objects
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except:
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delete_error = 'Cannot delete this distributor. Unknown error'
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if delete_error:
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context = self.get_context_data()
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context['delete_error'] = delete_error
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context['protected_components'] = protected_objects
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return self.render_to_response(context)
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else:
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return redirect('parts-distributors')
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def edit_distributor(self, request):
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edit_form = DistributorForm(data=request.POST, files=request.FILES, instance=self.object)
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if edit_form.is_valid():
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edit_form.save()
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context = self.get_context_data()
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if not edit_form.is_valid():
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context['edit_form'] = edit_form
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return self.render_to_response(context)
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def post(self, request, *args, **kwargs):
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self.object = self.get_object()
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if 'submit-distri-delete' in request.POST:
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return self.handle_delete_distributor(request)
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elif 'submit-distri-edit' in request.POST:
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return self.edit_distributor(request)
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return super().post(request, *args, **kwargs)
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