showing discounts

rowers/credits.py

@@ -1,4 +1,3 @@
-from rowers.models import Rower
 
 class InsufficientCreditError(Exception):
     """Raised when trying to subtract more than available"""
@@ -24,3 +23,19 @@ def withdraw(amount, rower):
         return rower.eurocredits
 
     return rower.eurocredits
+
+def discount(amount,rower):
+    if amount < rower.eurocredits:
+        return amount
+    else:
+        return rower.eurocredits
+
+    return 0
+
+def discounted(amount,rower):
+    if amount > rower.eurocredits:
+        return amount-rower.eurocredits
+    else:
+        return 0
+
+    return 0

rowers/templates/instantplans.html

@@ -10,11 +10,19 @@
 
 <ul class="main-content">
   <li class="grid_4">
+    <p>
     On this page, you find trusted training plans that work. If you are looking for a plan, this page is for you.
     This ever growing list of plans contains a plan for everyone, whether you are a beginning rower or experienced,
     irrespective of your current fitness level. Click on a plan to read more and see the sessions. If you're
     on a Self-Coach plan or higher, you can get the plan including even more detailed workout instructions
     copied straight to your training calendar on this site, with the simple click of a button.
+    </p>
+    {% if rower.eurocredits %}
+    <p>
+      <em>Your have discount vouchers for an mount of {{ rower.eurocredits }}&euro;</em>. You
+      will get discount for up to this amount on any paid plan.
+    </p>
+    {% endif %}
   </li>
   {% for plan in plans %}
   <li class="rounder">
@@ -34,6 +42,10 @@
     {% else %}
     <p>Price: {{ plan.price }}&euro;</p>
     {% endif %}
+    {% if rower.eurocredits  and plan.price > 0 %}
+    <p>Your discount: {{ plan.price|discount:rower }}&euro;</p>
+    <p>You pay: {{ plan.price|discounted:rower }}&euro;</p>
+    {% endif %}
 
   </li>
   {% endfor %}

rowers/templates/rower_form.html

@@ -52,6 +52,12 @@
             {% endif %}
           </th><td>{{ rower.planexpires }}</td>
         </tr>
+        {% if rower.eurocredits %}
+        <tr>
+          <th>Discount voucher for training plans</th>
+          <td>{{ rower.eurocredits }}&euro;</td>
+        </tr>
+        {% endif %}
         {% endif %}
       </table>
       {% csrf_token %}

rowers/templatetags/rowerfilters.py

@@ -19,6 +19,7 @@ from rowers.plannedsessions import (
     race_can_register, race_can_submit,race_rower_status
     )
 
+from rowers import credits
 from rowers import c2stuff
 from rowers.c2stuff import c2_open
 from rowers.rower_rules import is_coach_user, is_workout_user, isplanmember,ispromember
@@ -153,6 +154,15 @@ def weekbegin(nr):
         return True
     return False
 
+@register.filter
+def discount(amount,rower):
+    return credits.discount(amount,rower)
+
+
+@register.filter
+def discounted(amount,rower):
+    return credits.discounted(amount,rower)
+
 @register.filter
 def weekend(nr):
     week, day = divmod(nr,7)