Better scale management for order creation

+ Extends labels formatting of scale.

kfet/statistic.py

@@ -86,7 +86,10 @@ class Scale(object):
     def get_labels(self, label_fmt=None):
         if label_fmt is None:
             label_fmt = self.label_fmt
-        return [begin.strftime(label_fmt) for begin, end in self]
+        return [
+            begin.strftime(label_fmt.format(i=i, rev_i=len(self)-i))
+            for i, (begin, end) in enumerate(self)
+        ]
 
     def chunkify_qs(self, qs, field=None):
         if field is None:

kfet/templates/kfet/base_form.html

@@ -1,3 +1,5 @@
+{% load kfet_tags %}
+
 <div class="row">
   <div class="col-sm-12 col-md-8 col-md-offset-2 nopadding">
     {% include "kfet/base_messages.html" %}

kfet/templates/kfet/inventory_create.html

@@ -17,7 +17,7 @@
     {% include 'kfet/base_messages.html' %}
     <div class="content-center">
       <form id='inventoryform' action="" method="post">
-	<div class="table-responsive">
+        <div class="table-responsive">
         <table class="table table-condensed text-center">
           <thead>
             <tr>
@@ -77,7 +77,7 @@
             </tr>
           </tbody>
         </table>
-	</div>
+        </div>
         {{ formset.management_form }}
         {% if not perms.kfet.add_inventory %}
         <div class='auth-form form-horizontal'>

kfet/templates/kfet/order_create.html

@@ -36,11 +36,9 @@
         <td rowspan="2">Commande</td>
       </tr>
       <tr>
-        <td>S1</td>
-        <td>S2</td>
-        <td>S3</td>
-        <td>S4</td>
-        <td>S5</td>
+        {% for label in scale.get_labels %}
+        <td>{{ label }}</td>
+        {% endfor %}
       </tr>
     </thead>
     <tbody>

kfet/views.py

@@ -1910,9 +1910,12 @@ def order_create(request, pk):
     else:
         formset = cls_formset(initial=initial)
 
+    scale.label_fmt = "S-{rev_i}"
+
     return render(request, 'kfet/order_create.html', {
         'supplier': supplier,
         'formset': formset,
+        'scale': scale,
     })