Initial code

.gitignore

@@ -1,3 +1,5 @@
+*/migrations/*
+!*/migrations/__init__.py
 # ---> Python
 # Byte-compiled / optimized / DLL files
 __pycache__/

maintenance/admin.py

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+from django.contrib import admin
+from django import forms
+from .models import Fournisseur, Technicien, Machine, Intervention, Panne
+
+
+@admin.register(Fournisseur)
+class FournisseurAdmin(admin.ModelAdmin):
+    list_display = ['nom_fournisseur']
+
+
+@admin.register(Technicien)
+class TechnicienAdmin(admin.ModelAdmin):
+    list_display = ['nom_technicien', 'ref_fournisseur']
+
+
+class PanneInline(admin.TabularInline):
+    model = Panne
+    extra = 1
+
+
+@admin.register(Machine)
+class MachineAdmin(admin.ModelAdmin):
+    list_display = ['numero_serie', 'nom_machine', 'ref_fournisseur']
+    inlines = [PanneInline]
+
+
+class InterventionAdminForm(forms.ModelForm):
+    class Meta:
+        model = Intervention
+        fields = '__all__'
+
+    def __init__(self, *args, **kwargs):
+        super(InterventionAdminForm, self).__init__(*args, **kwargs)
+        if self.instance:
+            try:
+                technicians = Technicien.objects.filter(
+                    ref_fournisseur=self.
+                    instance.
+                    ref_panne.
+                    ref_machine.
+                    ref_fournisseur)
+                self.fields['ref_technicien'].queryset = technicians
+            except Panne.DoesNotExist:
+                self.fields['ref_technicien'].queryset = Technicien. \
+                                                         objects. \
+                                                         none()
+
+
+@admin.register(Intervention)
+class InterventionAdmin(admin.ModelAdmin):
+    form = InterventionAdminForm
+    list_display = ['moment_intervention', 'description_intervention',
+                    'ref_panne', 'ref_technicien']
+
+
+@admin.register(Panne)
+class PanneAdmin(admin.ModelAdmin):
+    list_display = ['moment_panne', 'description_panne', 'ref_machine']

maintenance/apps.py

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+from django.apps import AppConfig
+
+
+class MaintenanceConfig(AppConfig):
+    name = 'maintenance'

maintenance/models.py

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+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django.template.defaultfilters import date as _date
+from django.urls import reverse
+
+
+class Fournisseur(models.Model):
+
+    nom_fournisseur = models.CharField('nom', max_length=50)
+
+    class Meta:
+        verbose_name = _("fournisseur")
+        verbose_name_plural = _("fournisseurs")
+
+    def __str__(self):
+        return self.nom_fournisseur
+
+    def get_absolute_url(self):
+        return reverse("fournisseur_detail", kwargs={"pk": self.pk})
+
+
+class Technicien(models.Model):
+
+    nom_technicien = models.CharField('nom', max_length=50)
+    ref_fournisseur = models.ForeignKey("maintenance.Fournisseur",
+                                        verbose_name=_("fournisseur"),
+                                        on_delete=models.PROTECT)
+
+    class Meta:
+        verbose_name = _("technicien")
+        verbose_name_plural = _("techniciens")
+
+    def __str__(self):
+        return self.nom_technicien
+
+    def get_absolute_url(self):
+        return reverse("technicien_detail", kwargs={"pk": self.pk})
+
+
+class Machine(models.Model):
+
+    numero_serie = models.CharField('numéro de série', max_length=20)
+    nom_machine = models.CharField('nom', max_length=50)
+    ref_fournisseur = models.ForeignKey("maintenance.Fournisseur",
+                                        verbose_name=_("fournisseur"),
+                                        on_delete=models.PROTECT)
+
+    class Meta:
+        verbose_name = _("machine")
+        verbose_name_plural = _("machines")
+
+    def __str__(self):
+        return self.nom_machine
+
+    def get_absolute_url(self):
+        return reverse("machine_detail", kwargs={"pk": self.pk})
+
+
+class Panne(models.Model):
+
+    moment_panne = models.DateTimeField('moment de la panne',
+                                        auto_now_add=True)
+    description_panne = models.TextField('description', default='-')
+    ref_machine = models.ForeignKey("maintenance.Machine",
+                                    verbose_name=_("machine"),
+                                    on_delete=models.PROTECT)
+
+    class Meta:
+        verbose_name = _("Panne")
+        verbose_name_plural = _("Pannes")
+
+    def __str__(self):
+        if len(self.description_panne) <= 20:
+            short_description = self.description_panne
+        else:
+            short_description = self.description_panne[:20]
+        return _date(self.moment_panne,
+                     'SHORT_DATETIME_FORMAT') + " | " + short_description
+
+    def get_absolute_url(self):
+        return reverse("panne_detail", kwargs={"pk": self.pk})
+
+
+class Intervention(models.Model):
+
+    moment_intervention = models.DateTimeField('moment de l\'intervention',
+                                               auto_now_add=True)
+    ref_panne = models.ForeignKey("maintenance.Panne",
+                                  verbose_name=_("panne"),
+                                  on_delete=models.PROTECT)
+    ref_technicien = models.ForeignKey("maintenance.Technicien",
+                                       verbose_name=_("technicien"),
+                                       on_delete=models.PROTECT,
+                                       null=True,
+                                       blank=True)
+    description_intervention = models.TextField('description',
+                                                blank=True,
+                                                null=True)
+
+    class Meta:
+        verbose_name = _("intervention")
+        verbose_name_plural = _("interventions")
+
+    def __str__(self):
+        if len(self.description_intervention) <= 20:
+            short_description = self.description_intervention
+        else:
+            short_description = self.description_intervention[:20]
+        return _date(self.moment_intervention,
+                     'SHORT_DATETIME_FORMAT') + " | " + short_description
+
+    def get_absolute_url(self):
+        return reverse("intervention_detail", kwargs={"pk": self.pk})

maintenance/serializers.py

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+from rest_framework import serializers
+from maintenance.models import Fournisseur
+
+
+class FournisseurSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Fournisseur
+        fields = ['nom_fournisseur']

maintenance/templates/maintenance/fournisseur_detail.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>{{ object.nom_fournisseur }}</title>
+</head>
+<body>
+  <h4>{{ object.nom_fournisseur }}</h4>
+</body>
+</html>

maintenance/templates/maintenance/technicien_detail.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>{{ object.nom_technicien }}</title>
+</head>
+<body>
+  <h4>{{ object.nom_technicien }}<h4>
+</body>
+</html>

maintenance/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

maintenance/urls.py

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+from django.urls import path, include
+from rest_framework import routers
+from maintenance.views import (
+    FournisseurDetailView,
+    TechnicienDetailView,
+    FournisseurViewSet
+)
+
+router = routers.DefaultRouter()
+router.register(r'fournisseurs', FournisseurViewSet)
+
+urlpatterns = [
+    path('fournisseur/<int:pk>', FournisseurDetailView.as_view(),
+         name='fournisseur_detail'),
+    path('technicien/<int:pk>', TechnicienDetailView.as_view(),
+         name='technicien_detail'),
+    path('api/', include(router.urls))
+]

maintenance/views.py

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+# from django.shortcuts import render
+from django.views.generic import DetailView
+from maintenance.models import Fournisseur, Technicien
+from rest_framework import viewsets
+from maintenance.serializers import FournisseurSerializer
+
+
+class FournisseurDetailView(DetailView):
+    model = Fournisseur
+    template_name = "maintenance/fournisseur_detail.html"
+
+
+class TechnicienDetailView(DetailView):
+    model = Technicien
+    template_name = "maintenance/technicien_detail.html"
+
+
+class FournisseurViewSet(viewsets.ModelViewSet):
+    queryset = Fournisseur.objects.all()
+    serializer_class = FournisseurSerializer

manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'boulangerie.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()