Moved export_data() function to seperate file

Database errors may have been caused by having export_data() in
the models.py file.

website/json.py

+from website.models import Restaurant
+
+
+def export_data():
+    restaurants = list()
+    for restaurant in Restaurant.objects.all():
+        restaurant_data = {'name': restaurant.name}
+        open_times = list()
+        for time in restaurant.main_schedule.open_times.all():
+            open_times.append({
+                    'start_day': time.start_day,
+                    'start_time': time.start_time.isoformat(),
+                    'end_day': time.end_day,
+                    'end_time': time.end_time.isoformat()
+            })
+        restaurant_data['main_schedule'] = {
+                'name': restaurant.main_schedule.name,
+                'id': restaurant.id,
+                'open_times': open_times
+        }
+        special_schedules = list()
+        for schedule in restaurant.special_schedules.all():
+            open_times = list()
+            for time in schedule.open_times.all():
+                open_times.append({
+                        'start_day': time.start_day,
+                        'start_time': time.start_time.isoformat(),
+                        'end_day': time.end_day,
+                        'end_time': time.end_time.isoformat()
+                })
+            special_schedules.append({
+                    'name': schedule.name,
+                    'id': restaurant.id,
+                    'start': schedule.valid_start.isoformat(),
+                    'end': schedule.valid_end.isoformat(),
+                    'open_times': open_times
+            })
+        restaurant_data['special_schedules'] = special_schedules
+        restaurants.append(restaurant_data)
+    return restaurants

website/models.py

@@ -103,42 +103,3 @@ class OpenTime(BaseModel):
         return '%s %s to %s %s' % (weekdays[self.start_day],
                 self.start_time.strftime("%H:%M:%S"), weekdays[self.end_day],
                 self.end_time.strftime("%H:%M:%S"))
-
-
-def export_data():
-    restaurants = list()
-    for restaurant in Restaurant.objects.all():
-        restaurant_data = {'name': restaurant.name}
-        open_times = list()
-        for time in restaurant.main_schedule.open_times.all():
-            open_times.append({
-                    'start_day': time.start_day,
-                    'start_time': time.start_time.isoformat(),
-                    'end_day': time.end_day,
-                    'end_time': time.end_time.isoformat()
-            })
-        restaurant_data['main_schedule'] = {
-                'name': restaurant.main_schedule.name,
-                'id': restaurant.id,
-                'open_times': open_times
-        }
-        special_schedules = list()
-        for schedule in restaurant.special_schedules.all():
-            open_times = list()
-            for time in schedule.open_times.all():
-                open_times.append({
-                        'start_day': time.start_day,
-                        'start_time': time.start_time.isoformat(),
-                        'end_day': time.end_day,
-                        'end_time': time.end_time.isoformat()
-                })
-            special_schedules.append({
-                    'name': schedule.name,
-                    'id': restaurant.id,
-                    'start': schedule.valid_start.isoformat(),
-                    'end': schedule.valid_end.isoformat(),
-                    'open_times': open_times
-            })
-        restaurant_data['special_schedules'] = special_schedules
-        restaurants.append(restaurant_data)
-    return restaurants

website/views.py

 from django.template import RequestContext
-from website.models import Restaurant, OpenTime, BaseModel, export_data
+from website.models import Restaurant, OpenTime, BaseModel
+from website.json import export_data
 from django.shortcuts import render_to_response
 from django.http import HttpResponse
 from django.views.decorators.http import condition