Show file extension

nummi/main/templates/main/form/fileinput.html

@@ -1,9 +1,11 @@
+{% load i18n %}
+{% load main_extras %}
 <table class="file-input">
     {% if widget.is_initial %}
         <tr>
             <th>{{ widget.initial_text }}</th>
             <td>
-                <a href="{{ widget.value.url }}">Fichier</a>
+                <a href="{{ widget.value.url }}">{% translate "File" %} [{{ widget.value|extension }}]</a>
             </td>
         </tr>
         {% if not widget.required %}

nummi/main/templates/main/table/invoice.html

@@ -18,7 +18,7 @@
                             <a href="{{ invoice.get_absolute_url }}">{{ invoice.name }}</a>
                         </th>
                         <td>
-                            <a href="{{ invoice.file.url }}">{% translate "File" %}</a>
+                            <a href="{{ invoice.file.url }}">{% translate "File" %} [{{ invoice.file|extension }}]</a>
                         </td>
                         <td>
                             <a href="{{ invoice.get_delete_url }}">{% translate "Delete" %}

nummi/main/templatetags/main_extras.py

@@ -45,3 +45,8 @@ def form_buttons(instance):
 @register.filter
 def remix(icon):
     return mark_safe(f"""<span class="ri-{icon}-line"></span>""")
+
+
+@register.filter
+def extension(file):
+    return file.name.split(".")[-1].upper()