Suppression des anciens templates lors de la mise à jour

cotisations/models.py

@@ -33,6 +33,7 @@ each.
 
 from __future__ import unicode_literals
 from dateutil.relativedelta import relativedelta
+import os
 
 from django.db import models
 from django.db.models import Q, Max
@@ -976,3 +977,34 @@ class DocumentTemplate(RevMixin, AclMixin, models.Model):
 
     def __str__(self):
         return str(self.name)
+
+@receiver(models.signals.post_delete, sender=DocumentTemplate)
+def auto_delete_file_on_delete(sender, instance, **kwargs):
+    """
+    Deletes file from filesystem
+    when corresponding `DocumentTemplate` object is deleted.
+    """
+    if instance.template:
+        if os.path.isfile(instance.template.path):
+            os.remove(instance.template.path)
+
+
+@receiver(models.signals.pre_save, sender=DocumentTemplate)
+def auto_delete_file_on_change(sender, instance, **kwargs):
+    """
+    Deletes old file from filesystem
+    when corresponding `DocumentTemplate` object is updated
+    with new file.
+    """
+    if not instance.pk:
+        return False
+
+    try:
+        old_file = DocumentTemplate.objects.get(pk=instance.pk).template
+    except DocumentTemplate.DoesNotExist:
+        return False
+
+    new_file = instance.template
+    if not old_file == new_file:
+        if os.path.isfile(old_file.path):
+            os.remove(old_file.path)

cotisations/templates/cotisations/facture.html

@@ -51,7 +51,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 {% bootstrap_form_errors discount_form %}
 {% endif %}
 
-<form class="form" method="post">
+<form class="form" method="post"  enctype="multipart/form-data">
     {% csrf_token %}
     {% bootstrap_form factureform %}
     {% if payment_method %}

cotisations/views.py

@@ -1062,7 +1062,10 @@ def add_document_template(request):
     """
     View used to add a document template.
     """
-    document_template = DocumentTemplateForm(request.POST or None)
+    document_template = DocumentTemplateForm(
+        request.POST or None,
+        request.FILES or None,
+    )
     if document_template.is_valid():
         document_template.save()
         messages.success(
@@ -1084,7 +1087,9 @@ def edit_document_template(request, document_template_instance, **_kwargs):
     View used to edit a document_template.
     """
     document_template = DocumentTemplateForm(
-        request.POST or None, instance=document_template_instance)
+        request.POST or None,
+        request.FILES or None,
+        instance=document_template_instance)
     if document_template.is_valid():
         if document_template.changed_data:
             document_template.save()

install_re2o.sh

@@ -333,6 +333,7 @@ copy_templates_files() {
     mkdir -p media/templates/
     cp cotisations/templates/cotisations/factures.tex media/templates/default_invoice.tex
     cp cotisations/templates/cotisations/voucher.tex media/templates/default_voucher.tex
+    chown -R www-data:www-data media/templates/
     echo "Copying LaTeX templates: Done"
 }