Add transfer button/action to loans list

hardware_provisioning/templates/hardware_provisioning/list.html

@@ -37,6 +37,9 @@
                   <a href="{% url 'hardware_provisioning:loan-return' pk=loan.pk %}" class="small button">
                      <i class="fa fa-times"></i>&nbsp;Rendre
                  </a>
+                <a href="{% url 'hardware_provisioning:loan-transfer' pk=loan.pk %}" class="small button">
+                   <i class="fa fa-exchange"></i> Transférer
+                </a>
               </div>
             </td>
             {% endif %}

hardware_provisioning/urls.py

@@ -8,5 +8,6 @@ from . import views
 urlpatterns = [
     url(r'^$', views.loan_list, name='loan-list'),
     url(r'^(?P<pk>[0-9]+)/return$', views.loan_return, name='loan-return'),
+    url(r'^(?P<pk>[0-9]+)/transfer$', views.loan_transfer, name='loan-transfer'),
     url(r'^(?P<pk>[0-9]+)$', views.loan_detail, name='loan-detail'),
 ]

hardware_provisioning/views.py

@@ -2,13 +2,15 @@
 
 from __future__ import unicode_literals
 
+import datetime
+
 from django.shortcuts import render, redirect
 from django.contrib.auth.decorators import login_required
 from django.contrib import messages
 from django.http import HttpResponseForbidden
 from django.core.urlresolvers import reverse
 
-
+from .forms import LoanTransferForm
 from .models import Item, Loan
 
 
@@ -34,6 +36,39 @@ def loan_return(request, pk):
 
 
 @login_required
+def loan_transfer(request, pk):
+    """ Transfer something loaned to another member
+    """
+    old_loan = Loan.objects.get(pk=pk)
+
+    if not old_loan.user_can_close(request.user):
+        return HttpResponseForbidden()
+
+    if request.method == 'POST':
+        form = LoanTransferForm(request.POST)
+        if form.is_valid():
+            old_loan.item.give_back()
+            Loan.objects.create(
+                user=form.cleaned_data['target_user'],
+                loan_date=datetime.date.today(),
+                item=old_loan.item)
+            messages.success(
+                request,
+                "Le matériel {} a été transféré à l'adhérent \"{}\"".format(
+                    old_loan.item,
+                    form.data['target_user']))
+            return redirect(reverse('hardware_provisioning:loan-list'))
+
+    else:
+        form = LoanTransferForm()
+
+    return render(request, 'hardware_provisioning/transfer.html', {
+        'form': form,
+        'loan': old_loan,
+    })
+
+
+@login_required
 def loan_list(request):
     view = 'old' if 'old' in request.GET else ''