376 lines
15 KiB
Python
376 lines
15 KiB
Python
import json
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from io import BytesIO
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from django.shortcuts import render, redirect, get_object_or_404
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from django.views.generic import ListView, DetailView, CreateView, UpdateView, TemplateView, View, DeleteView
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from django.urls import reverse_lazy, reverse
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from django import forms
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from django.db.models import Count, Q
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from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
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from django.http import HttpResponse
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from reportlab.pdfgen import canvas
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from reportlab.lib.pagesizes import A4
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from reportlab.pdfbase import pdfmetrics
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from reportlab.pdfbase.ttfonts import TTFont
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from .models import FleetUnit, Maintenance, Breakdown, PartRequest, Category, Document, Supplier
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# Mixins
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class StaffRequiredMixin(UserPassesTestMixin):
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def test_func(self):
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return self.request.user.is_staff
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# Forms
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class FleetUnitForm(forms.ModelForm):
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class Meta:
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model = FleetUnit
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fields = [
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'name', 'category', 'model_name', 'vin', 'plate_number', 'year', 'photo', 'status',
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'commissioning_date', 'notes',
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'insurance_company', 'insurance_policy_number', 'insurance_start_date', 'insurance_end_date',
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'supplier', 'contract_number', 'vehicle_documents'
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]
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widgets = {
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'name': forms.TextInput(attrs={'class': 'form-control'}),
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'category': forms.Select(attrs={'class': 'form-select'}),
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'model_name': forms.TextInput(attrs={'class': 'form-control'}),
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'vin': forms.TextInput(attrs={'class': 'form-control'}),
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'plate_number': forms.TextInput(attrs={'class': 'form-control'}),
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'year': forms.NumberInput(attrs={'class': 'form-control'}),
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'photo': forms.FileInput(attrs={'class': 'form-control'}),
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'status': forms.Select(attrs={'class': 'form-select'}),
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'commissioning_date': forms.DateInput(attrs={'type': 'date', 'class': 'form-control'}),
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'notes': forms.Textarea(attrs={'rows': 3, 'class': 'form-control'}),
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'insurance_company': forms.TextInput(attrs={'class': 'form-control'}),
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'insurance_policy_number': forms.TextInput(attrs={'class': 'form-control'}),
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'insurance_start_date': forms.DateInput(attrs={'type': 'date', 'class': 'form-control'}),
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'insurance_end_date': forms.DateInput(attrs={'type': 'date', 'class': 'form-control'}),
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'supplier': forms.Select(attrs={'class': 'form-select'}),
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'contract_number': forms.TextInput(attrs={'class': 'form-control'}),
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'vehicle_documents': forms.FileInput(attrs={'class': 'form-control'}),
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}
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class SupplierForm(forms.ModelForm):
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class Meta:
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model = Supplier
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fields = ['name', 'representative_name', 'phone', 'email', 'contract_number']
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widgets = {
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'name': forms.TextInput(attrs={'class': 'form-control'}),
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'representative_name': forms.TextInput(attrs={'class': 'form-control'}),
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'phone': forms.TextInput(attrs={'class': 'form-control'}),
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'email': forms.EmailInput(attrs={'class': 'form-control'}),
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'contract_number': forms.TextInput(attrs={'class': 'form-control'}),
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}
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class MaintenanceForm(forms.ModelForm):
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class Meta:
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model = Maintenance
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fields = ['fleet_unit', 'm_type', 'planned_date', 'planned_runtime', 'mechanic', 'notes']
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widgets = {
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'fleet_unit': forms.Select(attrs={'class': 'form-select'}),
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'm_type': forms.Select(attrs={'class': 'form-select'}),
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'planned_date': forms.DateInput(attrs={'type': 'date', 'class': 'form-control'}),
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'planned_runtime': forms.NumberInput(attrs={'class': 'form-control'}),
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'mechanic': forms.Select(attrs={'class': 'form-select'}),
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'notes': forms.Textarea(attrs={'rows': 3, 'class': 'form-control'}),
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}
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class BreakdownForm(forms.ModelForm):
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class Meta:
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model = Breakdown
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fields = ['fleet_unit', 'system_node', 'description', 'photo', 'status', 'notes']
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widgets = {
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'fleet_unit': forms.Select(attrs={'class': 'form-select'}),
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'system_node': forms.TextInput(attrs={'class': 'form-control'}),
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'description': forms.Textarea(attrs={'rows': 3, 'class': 'form-control'}),
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'photo': forms.FileInput(attrs={'class': 'form-control'}),
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'status': forms.Select(attrs={'class': 'form-select'}),
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'notes': forms.Textarea(attrs={'rows': 3, 'class': 'form-control'}),
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}
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class PartRequestForm(forms.ModelForm):
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class Meta:
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model = PartRequest
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fields = ['fleet_unit', 'breakdown', 'part_name', 'article_number', 'quantity', 'status', 'photo', 'notes']
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widgets = {
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'fleet_unit': forms.Select(attrs={'class': 'form-select'}),
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'breakdown': forms.Select(attrs={'class': 'form-select'}),
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'part_name': forms.TextInput(attrs={'class': 'form-control'}),
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'article_number': forms.TextInput(attrs={'class': 'form-control'}),
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'quantity': forms.NumberInput(attrs={'class': 'form-control'}),
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'status': forms.Select(attrs={'class': 'form-select'}),
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'photo': forms.FileInput(attrs={'class': 'form-control'}),
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'notes': forms.Textarea(attrs={'rows': 3, 'class': 'form-control'}),
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}
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# Views
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class IndexView(TemplateView):
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template_name = 'core/index.html'
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context['total_units'] = FleetUnit.objects.count()
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context['active_units'] = FleetUnit.objects.filter(status='active').count()
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context['broken_units'] = FleetUnit.objects.filter(status='broken').count()
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context['repair_units'] = FleetUnit.objects.filter(status='repair').count()
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context['status_counts'] = FleetUnit.objects.values('status').annotate(total=Count('status'))
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context['recent_maintenances'] = Maintenance.objects.all().order_by('-planned_date')[:5]
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context['recent_breakdowns'] = Breakdown.objects.all().order_by('-date')[:5]
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return context
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# Fleet Views
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class FleetListView(ListView):
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model = FleetUnit
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template_name = 'core/fleet_list.html'
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context_object_name = 'units'
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paginate_by = 12
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def get_queryset(self):
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queryset = super().get_queryset()
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status = self.request.GET.get('status')
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if status:
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queryset = queryset.filter(status=status)
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search = self.request.GET.get('search')
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if search:
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queryset = queryset.filter(
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Q(name__icontains=search) |
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Q(plate_number__icontains=search) |
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Q(vin__icontains=search)
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)
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return queryset
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class FleetDetailView(DetailView):
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model = FleetUnit
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template_name = 'core/fleet_detail.html'
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context_object_name = 'unit'
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context['maintenances'] = self.object.maintenances.all().order_by('-planned_date')
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context['breakdowns'] = self.object.breakdowns.all().order_by('-date')
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context['part_requests'] = self.object.part_requests.all().order_by('-created_at')
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return context
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class FleetCreateView(CreateView):
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model = FleetUnit
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template_name = 'core/fleet_form.html'
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form_class = FleetUnitForm
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success_url = reverse_lazy('fleet_list')
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class FleetUpdateView(UpdateView):
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model = FleetUnit
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template_name = 'core/fleet_form.html'
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form_class = FleetUnitForm
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def get_success_url(self):
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return reverse_lazy('fleet_detail', kwargs={'pk': self.object.pk})
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class FleetUnitDeleteView(LoginRequiredMixin, StaffRequiredMixin, DeleteView):
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model = FleetUnit
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success_url = reverse_lazy('fleet_list')
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# Maintenance Views
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class MaintenanceListView(ListView):
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model = Maintenance
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template_name = 'core/maintenance_list.html'
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context_object_name = 'maintenances'
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paginate_by = 15
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class MaintenanceDetailView(DetailView):
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model = Maintenance
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template_name = 'core/maintenance_detail.html'
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context_object_name = 'maintenance'
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class MaintenanceCreateView(CreateView):
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model = Maintenance
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template_name = 'core/maintenance_form.html'
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form_class = MaintenanceForm
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success_url = reverse_lazy('maintenance_list')
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def get_initial(self):
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initial = super().get_initial()
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fleet_id = self.request.GET.get('fleet_unit')
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if fleet_id:
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initial['fleet_unit'] = get_object_or_404(FleetUnit, pk=fleet_id)
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return initial
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def form_valid(self, form):
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m_type = form.cleaned_data.get('m_type')
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checklist = []
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if m_type == 'TO-250':
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checklist = [{"task": "Замена масла в двигателе", "done": False}, {"task": "Замена масляного фильтра", "done": False}]
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elif m_type == 'TO-500':
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checklist = [{"task": "Замена масла в двигателе", "done": False}, {"task": "Замена фильтров", "done": False}, {"task": "Осмотр ходовой", "done": False}]
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else:
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checklist = [{"task": "Общий осмотр", "done": False}]
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form.instance.checklist = checklist
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return super().form_valid(form)
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class MaintenanceUpdateView(UpdateView):
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model = Maintenance
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template_name = 'core/maintenance_form.html'
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form_class = MaintenanceForm
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def get_success_url(self):
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return reverse('maintenance_detail', kwargs={'pk': self.object.pk})
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class MaintenanceDeleteView(LoginRequiredMixin, StaffRequiredMixin, DeleteView):
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model = Maintenance
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success_url = reverse_lazy('maintenance_list')
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class MaintenanceProcessView(View):
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def post(self, request, pk):
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maintenance = get_object_or_404(Maintenance, pk=pk)
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task_index = request.POST.get('task_index')
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done = request.POST.get('done') == 'true'
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if task_index is not None:
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idx = int(task_index)
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if 0 <= idx < len(maintenance.checklist):
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maintenance.checklist[idx]['done'] = done
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maintenance.save()
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return redirect('maintenance_detail', pk=pk)
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class MaintenanceCompleteView(View):
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def post(self, request, pk):
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maintenance = get_object_or_404(Maintenance, pk=pk)
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maintenance.status = 'completed'
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maintenance.actual_date = request.POST.get('actual_date') or None
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maintenance.actual_runtime = request.POST.get('actual_runtime') or None
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maintenance.parts_used = request.POST.get('parts_used')
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maintenance.save()
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unit = maintenance.fleet_unit
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unit.status = 'active'
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unit.save()
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return redirect('maintenance_detail', pk=pk)
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class MaintenancePDFView(View):
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def get(self, request, pk):
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maintenance = get_object_or_404(Maintenance, pk=pk)
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buffer = BytesIO()
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p = canvas.Canvas(buffer, pagesize=A4)
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# Register Cyrillic font
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font_path = "/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf"
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try:
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pdfmetrics.registerFont(TTFont('LiberationSans', font_path))
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p.setFont('LiberationSans', 12)
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except:
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pass # Fallback to default if font not found
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p.drawString(100, 800, f"Акт технического обслуживания - {maintenance.m_type}")
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p.drawString(100, 780, f"Техника: {maintenance.fleet_unit.name}")
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p.drawString(100, 760, f"Дата: {maintenance.actual_date}")
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p.drawString(100, 740, f"Наработка: {maintenance.actual_runtime}")
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y = 700
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p.drawString(100, y, "Чек-лист:")
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y -= 20
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for item in maintenance.checklist:
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status = "[x]" if item['done'] else "[ ]"
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p.drawString(120, y, f"{status} {item['task']}")
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y -= 20
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p.showPage()
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p.save()
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buffer.seek(0)
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return HttpResponse(buffer, content_type='application/pdf',
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headers={'Content-Disposition': f'attachment; filename="maintenance-{pk}.pdf"'})
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# Breakdown Views
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class BreakdownListView(ListView):
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model = Breakdown
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template_name = 'core/breakdown_list.html'
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context_object_name = 'breakdowns'
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class BreakdownCreateView(CreateView):
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model = Breakdown
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form_class = BreakdownForm
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template_name = 'core/breakdown_form.html'
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def get_initial(self):
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initial = super().get_initial()
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fleet_id = self.request.GET.get('fleet_unit')
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if fleet_id:
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initial['fleet_unit'] = get_object_or_404(FleetUnit, pk=fleet_id)
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return initial
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def form_valid(self, form):
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response = super().form_valid(form)
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unit = self.object.fleet_unit
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if self.object.status == 'reported':
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unit.status = 'broken'
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elif self.object.status == 'need_part':
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unit.status = 'waiting_parts'
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unit.save()
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return response
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def get_success_url(self):
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return reverse('fleet_detail', kwargs={'pk': self.object.fleet_unit.pk})
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class BreakdownDeleteView(LoginRequiredMixin, StaffRequiredMixin, DeleteView):
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model = Breakdown
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def get_success_url(self):
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return reverse('fleet_detail', kwargs={'pk': self.object.fleet_unit.pk})
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# Part Request Views
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class PartRequestListView(ListView):
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model = PartRequest
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template_name = 'core/part_request_list.html'
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context_object_name = 'requests'
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class PartRequestCreateView(CreateView):
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model = PartRequest
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form_class = PartRequestForm
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template_name = 'core/part_request_form.html'
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def get_initial(self):
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initial = super().get_initial()
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breakdown_id = self.request.GET.get('breakdown')
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if breakdown_id:
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breakdown = get_object_or_404(Breakdown, pk=breakdown_id)
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initial['breakdown'] = breakdown
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initial['fleet_unit'] = breakdown.fleet_unit
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fleet_id = self.request.GET.get('fleet_unit')
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if fleet_id:
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initial['fleet_unit'] = get_object_or_404(FleetUnit, pk=fleet_id)
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return initial
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def get_success_url(self):
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return reverse('fleet_detail', kwargs={'pk': self.object.fleet_unit.pk})
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class PartRequestDeleteView(LoginRequiredMixin, StaffRequiredMixin, DeleteView):
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model = PartRequest
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def get_success_url(self):
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return reverse('supply_list')
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class SupplyListView(ListView):
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model = PartRequest
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template_name = 'core/supply_list.html'
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context_object_name = 'requests'
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context['suppliers'] = Supplier.objects.all()
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return context
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class SupplierCreateView(CreateView):
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model = Supplier
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form_class = SupplierForm
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template_name = 'core/supplier_form.html'
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success_url = reverse_lazy('supply_list')
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class SupplierUpdateView(UpdateView):
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model = Supplier
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form_class = SupplierForm
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template_name = 'core/supplier_form.html'
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success_url = reverse_lazy('supply_list')
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class SupplierDeleteView(LoginRequiredMixin, StaffRequiredMixin, DeleteView):
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model = Supplier
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success_url = reverse_lazy('supply_list') |