137 lines
4.7 KiB
Python
137 lines
4.7 KiB
Python
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from django.shortcuts import render, redirect
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from django.urls import reverse
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from django.contrib.auth.forms import AuthenticationForm as AuthForm
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from django.contrib.auth.forms import PasswordChangeForm
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from django.contrib.auth import update_session_auth_hash
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import django.forms as forms
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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 Storage, Stock, Component, Distributor, Manufacturer, Package, ComponentParameter, DistributorNum
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from django.core.paginator import Paginator
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from django.core.exceptions import ValidationError
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from django.db import IntegrityError
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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 django.db.models.functions import Lower
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import uuid
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from .generic_views import BaseTemplateMixin
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class PackageView(LoginRequiredMixin, BaseTemplateMixin, TemplateView):
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template_name = 'parts/packages.html'
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base_title = 'Packages'
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navbar_selected = 'Packages'
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default_page_size = 25
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def search_packages(self, search):
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qs = Package.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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if search.lower() == 'smd':
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s_filter = Q(name__icontains = search) | Q(smd = True)
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else:
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try:
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pin_count = int(search)
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s_filter = Q(name__icontains = search) | Q(pin_count=pin_count)
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except:
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s_filter = Q(name__icontains = search)
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qs = qs.filter(s_filter)
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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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package_queryset = self.search_packages(search_string)
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paginator = Paginator(package_queryset, self.default_page_size)
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context['search_string'] = search_string
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context['packages'] = paginator.get_page(page_num)
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context['new_pkg_form'] = PackageForm()
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return context
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def handle_add_new_package(self, request):
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form = PackageForm(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_pkg_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-pkg-add-new' in request.POST:
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return self.handle_add_new_package(request)
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return super().post(request, *args, **kwargs)
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class PackageDetailView(LoginRequiredMixin, BaseTemplateMixin, DetailView):
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template_name = 'parts/packages-detail.html'
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model = Package
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pk_url_kwarg = 'uuid'
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base_title = ''
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navbar_selected = 'Packages'
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def get_context_data(self, **kwargs):
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self.base_title = 'Package / '+self.object.name
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context = super().get_context_data(**kwargs)
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context['package'] = self.object
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context['edit_form'] = PackageForm(instance=self.object)
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return context
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def handle_delete_package(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 package. 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 package. 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-packages')
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def edit_package(self, request):
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edit_form = PackageForm(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-pkg-delete' in request.POST:
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return self.handle_delete_package(request)
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elif 'submit-pkg-edit' in request.POST:
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return self.edit_package(request)
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return super().post(request, *args, **kwargs)
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