caterer bills table generation action

home/admin.py

@@ -185,6 +185,16 @@ class about_Admin(admin.ModelAdmin):
         ),
     )
     # In future can create an admin action to directly generate the table for caterer v=bills for a semester.
+    actions = ["generate_table"]
+
+    @admin.action(description="Generate the table for caterer Bills")
+    def generate_table(self,request,queryset):
+        semester = Semester.objects.filter().last()
+        for caterer in queryset:
+            caterer_bill,_ = CatererBills.objects.get_or_create(caterer=caterer,semester=semester)
+            caterer_bill.save()
+
+
 
 @admin.register(Form)
 class about_Admin(admin.ModelAdmin):
@@ -1119,7 +1129,6 @@ class about_admin(admin.ModelAdmin):
         (None,{"fields": ("name",)},),)
 
 
-
 @admin.register(Fee)
 class about_Admin(admin.ModelAdmin):
     model = Fee

home/signals.py

@@ -30,7 +30,6 @@ def update_bill(sender, instance, created, **kwargs):
             start_date= instance.start_date
             end_date = instance.end_date
             days = count(start_date, end_date)
-            print("Signal called for Short Rebate")
             save_short_bill(email,allocation.period,days,allocation.high_tea, allocation.caterer)
             new_rebate = TodayRebate(date=instance.date_applied,Caterer=allocation.caterer.name,allocation_id = allocation,start_date=start_date,end_date=end_date)
             new_rebate.save()
@@ -123,4 +122,12 @@ def create_unregistered(sender, instance,created, **kwargs):
         for student in Student.objects.all():
             unregistered,_ = UnregisteredStudent.objects.get_or_create(email=str(student.email))
             unregistered.period = instance
-            unregistered.save()
+            unregistered.save()
+
+@receiver(post_save, sender=Semester)
+def create_catererBills(sender, instance, created, **kwargs):
+    if created:
+        caterer = instance.name
+        semester = Semester.objects.filter().last()
+        caterer_bill,_ = CatererBills.objects.get_or_create(caterer=caterer,semester=semester)
+        caterer_bill.save()

home/views.py

@@ -150,7 +150,7 @@ def rebate(request):
                 period = period_obj
             )
             key = str(allocation_id.student_id) 
-        except:
+        except Exception as e:
             key="You are not allocated for current period, please contact the dining warden to allocate you to a caterer"
     except Student.DoesNotExist:
         key = "Signed in account does not does not have any allocation ID"