Allow item deletion. Close #18

manuels/templates/manuels/add_item.html

@@ -12,15 +12,15 @@
                 <a href="{% url 'list_books' teacher.pk %}" class="btn btn-secondary">Retour à la liste des {{ item_plural }}</a>
             </h2>
             {% if message_template %}
-                <div class="alert alert-info">
-                    {% include message_template %}
-                </div>
+                {% include message_template %}
             {% endif %}
             <form action="" method="post" class="form">
                 {% csrf_token %}
-                {% bootstrap_form form %}
+                {% if form %}
+                    {% bootstrap_form form %}
+                {% endif %}
                 {% buttons %}
-                    <button type="submit" class="btn btn-primary">Valider</button>
+                    <button type="submit" class="btn btn-{{ button_class }}">{{ verb }}</button>
                 {% endbuttons %}
             </form>
         </div>

manuels/templates/manuels/confirm_delete.html

@@ -0,0 +1,10 @@
+<div class="alert alert-danger">
+    <h4 class="alert-heading"><i class="fas fa-info-circle"></i> Danger</h4>
+    <p class="mb-0">
+        <strong>Êtes-vous certain&centerdot;e de vouloir supprimer cet élément ?
+            Cette action est définitive : vous ne pourrez plus le récupérer ensuite.</strong>
+    </p>
+    <p class="mb-0">
+        {{ object }}
+    </p>
+</div>

manuels/templates/manuels/list_books_supplies.html

@@ -48,9 +48,14 @@
                     {% for book in books %}
                         <tr>
                             <th scope="row">
-                                <a title="Modifier"
-                                   href="{% url 'edit_book' teacher_pk=book.teacher.pk pk=book.pk %}"><i
-                                        class="fas fa-edit"></i></a>
+                                <div class="btn-group">
+                                    <a title="Modifier"
+                                       href="{% url 'edit_book' teacher_pk=book.teacher.pk pk=book.pk %}"
+                                       class="btn btn-sm btn-secondary"><i class="fas fa-edit"></i></a>
+                                    <a title="Supprimer"
+                                       href="{% url 'delete_book' teacher_pk=book.teacher.pk pk=book.pk %}"
+                                       class="btn btn-sm btn-danger"><i class="fas fa-trash"></i></a>
+                                </div>
                             </th>
                             <td>{{ book.level }}</td>
                             <td>{{ book.field }}</td>
@@ -92,9 +97,14 @@
                     {% for supply in supplies %}
                         <tr>
                             <th scope="row">
-                                <a title="Modifier"
-                                   href="{% url 'edit_supplies' teacher_pk=supply.teacher.pk pk=supply.pk %}"><i
-                                        class="fas fa-edit"></i></a>
+                                <div class="btn-group">
+                                    <a title="Modifier"
+                                       href="{% url 'edit_supplies' teacher_pk=supply.teacher.pk pk=supply.pk %}"
+                                       class="btn btn-sm btn-secondary"><i class="fas fa-edit"></i></a>
+                                    <a title="Supprimer"
+                                       href="{% url 'delete_supplies' teacher_pk=supply.teacher.pk pk=supply.pk %}"
+                                       class="btn btn-sm btn-danger"><i class="fas fa-trash"></i></a>
+                                </div>
                             </th>
                             <td>{{ supply.level }}</td>
                             <td>{{ supply.fields }}</td>

manuels/templates/manuels/supplies_message.html

@@ -1,17 +1,21 @@
-<h4 class="alert-heading"><i class="fas fa-info-circle"></i> Information</h4>
-<p class="mb-0">
-    <strong>En complément des fournitures communes à tous les élèves, à savoir :</strong>
-</p>
-<ul class="mb-0">
-    <li>cahier de textes ou agenda</li>
-    <li>trousse complète (y compris gomme, taille-crayons, blanc correcteur, bâtons de colle, règle 30 cm., surligneurs
-        4 couleurs&#8230;)
-    </li>
-    <li>1 paire de ciseaux</li>
-    <li>clé(s) USB</li>
-    <li>1 agrafeuse</li>
-    <li>crayons de couleurs (minimum 12)</li>
-    <li>système de reliure (baguettes sans perçage, transparents, papier épais, &#8230;) pour les éventuels dossiers de
-        fin d’année
-    </li>
-</ul>
+<div class="alert alert-info">
+    <h4 class="alert-heading"><i class="fas fa-info-circle"></i> Information</h4>
+    <p class="mb-0">
+        <strong>En complément des fournitures communes à tous les élèves, à savoir :</strong>
+    </p>
+    <ul class="mb-0">
+        <li>cahier de textes ou agenda</li>
+        <li>trousse complète (y compris gomme, taille-crayons, blanc correcteur, bâtons de colle, règle 30 cm.,
+            surligneurs
+            4 couleurs&#8230;)
+        </li>
+        <li>1 paire de ciseaux</li>
+        <li>clé(s) USB</li>
+        <li>1 agrafeuse</li>
+        <li>crayons de couleurs (minimum 12)</li>
+        <li>système de reliure (baguettes sans perçage, transparents, papier épais, &#8230;) pour les éventuels dossiers
+            de
+            fin d’année
+        </li>
+    </ul>
+</div>

manuels/urls.py

@@ -1,13 +1,15 @@
 from django.urls import path
 
-from manuels.views import AddBookView, ListBooksView, clear_teacher_view, AddSuppliesView, EditBookView,\
-    EditSuppliesView
+from manuels.views import AddBookView, ListBooksView, clear_teacher_view, AddSuppliesView, EditBookView, \
+    EditSuppliesView, DeleteBookView, DeleteSuppliesView
 
 urlpatterns = [
     path('teacher/<uuid:pk>/add_book', AddBookView.as_view(), name='add_book'),
     path('teacher/<uuid:pk>/add_supplies', AddSuppliesView.as_view(), name='add_supplies'),
     path('teacher/<uuid:pk>', ListBooksView.as_view(), name='list_books'),
     path('teacher/<uuid:teacher_pk>/book/<int:pk>', EditBookView.as_view(), name='edit_book'),
+    path('teacher/<uuid:teacher_pk>/book/<int:pk>/delete', DeleteBookView.as_view(), name='delete_book'),
     path('teacher/<uuid:teacher_pk>/supplies/<int:pk>', EditSuppliesView.as_view(), name='edit_supplies'),
+    path('teacher/<uuid:teacher_pk>/supplies/<int:pk>/delete', DeleteSuppliesView.as_view(), name='delete_supplies'),
     path('clear', clear_teacher_view, name='clear_teacher'),
 ]

manuels/views.py

@@ -2,7 +2,7 @@ from django.contrib import messages
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.shortcuts import get_object_or_404, redirect
 from django.urls import reverse
-from django.views.generic import CreateView, ListView, UpdateView
+from django.views.generic import CreateView, ListView, UpdateView, DeleteView
 
 from manuels.forms import AddBookForm, AddSuppliesForm, EditBookForm, EditSuppliesForm
 from manuels.models import Teacher, Book, SuppliesRequirement
@@ -68,6 +68,7 @@ class ItemView(BaseTeacherView):
     message_template = None
     template_name = 'manuels/add_item.html'
     verb = None
+    button_class = 'primary'
 
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
@@ -75,6 +76,7 @@ class ItemView(BaseTeacherView):
         context['item_plural'] = self.item_text_plural
         context['message_template'] = self.message_template
         context['verb'] = self.verb
+        context['button_class'] = self.button_class
         return context
 
     def get_initial(self):
@@ -119,11 +121,11 @@ class SuppliesView:
     success_target = 'add_supplies'
     item_text = 'des fournitures'
     item_text_plural = 'fournitures'
-    message_template = 'manuels/supplies_message.html'
 
 
 class AddSuppliesView(SuppliesView, AddItemView):
     form_class = AddSuppliesForm
+    message_template = 'manuels/supplies_message.html'
 
 
 class EditItemView(ItemView, UpdateView):
@@ -150,6 +152,30 @@ class EditSuppliesView(SuppliesView, EditItemView):
     form_class = EditSuppliesForm
 
 
+class DeleteItemView(ItemView, DeleteView):
+    teacher_field = 'teacher_pk'
+    item_text = None
+    item_text_plural = None
+    message_template = 'manuels/confirm_delete.html'
+    verb = 'Supprimer'
+    button_class = 'danger'
+
+    def get_queryset(self):
+        return self.model.objects.filter(teacher=self.teacher)
+
+    def get_success_url(self):
+        messages.success(self.request, f'"{self.object}" a été supprimé.')
+        return reverse('list_books', args=[str(self.teacher.pk)])
+
+
+class DeleteBookView(BookView, DeleteItemView):
+    pass
+
+
+class DeleteSuppliesView(SuppliesView, DeleteItemView):
+    pass
+
+
 def clear_teacher_view(request):
     if request.session['teacher_pk']:
         del request.session['teacher_pk']