279 lines
12 KiB
Python
279 lines
12 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 import logout, login
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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 .component_import import import_components_from_csv
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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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from django.forms import formset_factory
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from django.http import HttpResponse
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import uuid
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from .generic_views import BaseTemplateMixin
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ParameterSearchFormSet = formset_factory(ComponentParameterSearchForm, extra=1)
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# Create your views here.
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class ComponentView(LoginRequiredMixin, BaseTemplateMixin, TemplateView):
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template_name = 'parts/components.html'
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base_title = 'Components'
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navbar_selected = 'Components'
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default_page_size = 25
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def get_component_query_set(self, search_string):
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queryset = Component.objects.all()
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if not search_string:
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return queryset
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search_fragments = search_string.strip().split()
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for search in search_fragments:
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queryset = queryset.filter(Q(name__icontains = search) | Q(manufacturer__name__icontains = search) | Q(package__name__icontains = search))
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return queryset
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def get_component_queryset_from_advanced_search(self, cleaned_data):
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queryset = Component.objects.all()
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if cleaned_data['name']:
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queryset = queryset.filter(Q(name__icontains=cleaned_data['name']))
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if cleaned_data['package']:
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queryset = queryset.filter(package=cleaned_data['package'])
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if cleaned_data['package_pin_count']:
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queryset = queryset.filter(package__pin_count=cleaned_data['package_pin_count'])
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if cleaned_data['component_type']:
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queryset = queryset.filter(component_type=cleaned_data['component_type'])
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if cleaned_data['distributor_num']:
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if cleaned_data['distributor']:
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distri = cleaned_data['distributor']
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queryset = queryset.filter(Q(distributornum__distributor_part_number__icontains=cleaned_data['distributor_num']) & Q(distributornum__distributor=distri))
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else:
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queryset = queryset.filter(Q(distributornum__distributor_part_number__icontains=cleaned_data['distributor_num']))
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if cleaned_data['manufacturer']:
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queryset = queryset.filter(manufacturer=cleaned_data['manufacturer'])
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return queryset
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def get_context_data_int(self, advanced_search, parameter_formset : ParameterSearchFormSet, **kwargs):
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context = super().get_context_data(**kwargs)
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comp_page_num = self.request.GET.get('comp_page', default=1)
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if advanced_search and parameter_formset:
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search = None
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context['advanced_search_shown'] = True
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context['advanced_search_form'] = advanced_search
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context['advanced_search_param_formset'] = parameter_formset
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if advanced_search.is_valid():
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paginator_queryset = self.get_component_queryset_from_advanced_search(advanced_search.cleaned_data)
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else:
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paginator_queryset = Component.objects.all()
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if parameter_formset.is_valid():
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# Process parameters
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pass
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else:
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search = self.request.GET.get('search', default=None)
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paginator_queryset = self.get_component_query_set(search)
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comp_paginator = Paginator(paginator_queryset, self.default_page_size)
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context['components'] = comp_paginator.get_page(comp_page_num)
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context['comp_form'] = ComponentForm()
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context['import_comp_form'] = ImportComponentForm()
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context['search_string'] = search
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if not parameter_formset:
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context['advanced_search_param_formset'] = ParameterSearchFormSet()
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if not advanced_search:
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context['advanced_search_form'] = AdvancedComponentSearchForm(auto_id='adv_search_%s')
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return context
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def get_context_data(self, **kwargs):
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return self.get_context_data_int(advanced_search = None, parameter_formset=None, **kwargs)
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def handle_new_component_post(self, request, open=False, **kwargs):
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cform = ComponentForm(data=request.POST, files=request.FILES)
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new_component = None
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if cform.is_valid():
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new_component = cform.save()
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context = self.get_context_data(**kwargs)
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if not cform.is_valid():
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context['comp_form'] = cform
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if open and new_component:
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return redirect(reverse('parts-components-detail', kwargs={'uuid':new_component.id}))
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return self.render_to_response(context)
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def handle_import_components_post(self, request, open=False, **kwargs):
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cform = ImportComponentForm(data=request.POST, files=request.FILES)
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context = self.get_context_data(**kwargs)
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if cform.is_valid():
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try:
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import_components_from_csv(cform.files['csv_file'].file)
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except Exception as ex:
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cform.add_error('csv_file', str(ex))
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context['import_comp_form'] = cform
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else:
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context['import_comp_form'] = cform
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return self.render_to_response(context)
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def handle_advanced_search_post(self, request, **kwargs):
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form = AdvancedComponentSearchForm(auto_id='adv_search_%s', data=request.POST)
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param_formset = ParameterSearchFormSet(data=request.POST)
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if form.is_valid():
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print('Valid')
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if param_formset.is_valid():
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print('Formset is valid!')
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context = self.get_context_data_int(form, param_formset, **kwargs)
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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-edit-component' in request.POST:
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return self.handle_new_component_post(request, open=False, **kwargs)
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elif 'submit-edit-component-open' in request.POST:
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return self.handle_new_component_post(request, open=True, **kwargs)
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elif 'submit-import-components' in request.POST:
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return self.handle_import_components_post(request, open=True, **kwargs)
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elif 'submit-advanced-search' in request.POST:
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return self.handle_advanced_search_post(request, **kwargs)
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else:
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return super().post(request, *args, **kwargs)
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class ComponentDetailView(LoginRequiredMixin, BaseTemplateMixin, DetailView):
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template_name = 'parts/components-detail.html'
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model = Component
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pk_url_kwarg = 'uuid'
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base_title = ''
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navbar_selected = 'Components'
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def get_context_data(self, **kwargs):
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self.base_title = 'Component / '+self.object.name
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context = super().get_context_data(**kwargs)
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context['component'] = self.object
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context['stocks'] = Stock.objects.filter(component=self.object)
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context['comp_form'] = ComponentForm(instance=self.object)
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context['new_distri_num_form'] = DistributorNumberCreateForm()
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context['new_param_form'] = ComponentParameterCreateForm()
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context['distri_nums'] = DistributorNum.objects.filter(component=self.object).order_by('distributor__name')
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context['parameters'] = ComponentParameter.objects.filter(component=self.object).order_by('parameter_type__parameter_name')
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return context
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def handle_submit_edit_component_post(self, request, **kwargs):
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cform = ComponentForm(instance=self.object, data=request.POST, files=request.FILES)
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if cform.is_valid():
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cform.save()
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context = self.get_context_data(**kwargs)
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if not cform.is_valid():
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context['comp_form'] = cform
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return self.render_to_response(context)
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def handle_submit_delete_post(self, request, **kwargs):
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delete_error = None
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protected_stuff = None
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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 = 'Component is protected'
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protected_stuff = pe.protected_objects
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except:
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delete_error = 'Cannot delete component. Unknown error'
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if delete_error is None:
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return redirect('parts-components')
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else:
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context = self.get_context_data(**kwargs)
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context['delete_error'] = delete_error
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context['protected_stuff'] = protected_stuff
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return self.render_to_response(context)
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def handle_submit_new_distri_num_post(self, request, **kwargs):
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form = DistributorNumberCreateForm(data=request.POST)
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if form.is_valid():
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new_number = form.save(commit=False)
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new_number.component = self.object
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try:
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new_number.save()
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except IntegrityError as ie:
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form.add_error('__all__', 'Number for given distributor already exists')
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context = self.get_context_data(**kwargs)
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if not form.is_valid():
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context['new_distri_num_form'] = form
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return self.render_to_response(context)
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def handle_submit_delete_distri_num_post(self, request, **kwargs):
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form = DistributorNumberDeleteForm(data=request.POST)
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if form.is_valid():
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form.cleaned_data['distributor_num'].delete()
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context = self.get_context_data(**kwargs)
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return self.render_to_response(context)
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def handle_submit_delete_param_post(self, request, **kwargs):
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form = ComponentParameterDeleteForm(data=request.POST)
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if form.is_valid():
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form.cleaned_data['param_num'].delete()
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context = self.get_context_data(**kwargs)
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return self.render_to_response(context)
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def handle_submit_new_param_post(self, request, **kwargs):
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form = ComponentParameterCreateForm(data=request.POST)
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if form.is_valid():
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try:
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form.save(self.object)
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except IntegrityError:
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form.add_error('__all__', 'This parameter is already set')
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context = self.get_context_data(**kwargs)
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if not form.is_valid():
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context['new_param_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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self.object = self.get_object()
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if 'submit-edit-component' in request.POST:
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return self.handle_submit_edit_component_post(request, **kwargs)
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elif 'submit-component-delete' in request.POST:
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return self.handle_submit_delete_post(request, **kwargs)
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elif 'submit-create-new-distri-num' in request.POST:
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return self.handle_submit_new_distri_num_post(request, **kwargs)
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elif 'submit-delete-distributor-num' in request.POST:
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return self.handle_submit_delete_distri_num_post(request, **kwargs)
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elif 'submit-delete-param' in request.POST:
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return self.handle_submit_delete_param_post(request, **kwargs)
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elif 'submit-create-new-param' in request.POST:
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return self.handle_submit_new_param_post(request, **kwargs)
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else:
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return super().post(request, *args, **kwargs)
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