Feature/provenance

Test missing but code can be checked

smash/web/forms/appointment_form.py

@@ -2,13 +2,13 @@ import logging
 from collections import OrderedDict
 
 from django import forms
+from django.db.models.query import QuerySet
 from django.forms import ModelForm
 
-from web.models.worker_study_role import WORKER_STAFF
 from web.forms.forms import DATETIMEPICKER_DATE_ATTRS, APPOINTMENT_TYPES_FIELD_POSITION
 from web.models import Appointment, Worker, AppointmentTypeLink, AppointmentType, Provenance
+from web.models.worker_study_role import WORKER_STAFF
 from web.views.notifications import get_filter_locations
-from django.db.models.query import QuerySet
 
 logger = logging.getLogger(__name__)
 
@@ -34,36 +34,37 @@ class AppointmentForm(ModelForm):
         for field in self.changed_data:
             new_value = self.cleaned_data[field] or self.data[field]
             if isinstance(new_value, QuerySet):
-                new_human_values = '; '.join([str(element) for element in new_value]) 
-                new_value = ','.join([str(element.id) for element in new_value]) #overwrite variable
-                #old value
-                if self.instance.id: #update instance
+                new_human_values = '; '.join([str(element) for element in new_value])
+                new_value = ','.join([str(element.id) for element in new_value])  # overwrite variable
+                # old value
+                if self.instance.id:  # update instance
                     previous_value = getattr(self.instance, field).all()
-                    old_human_values = '; '.join([str(element) for element in previous_value]) 
-                    previous_value = ','.join([str(element.id) for element in previous_value]) #overwrite variable
-                else: #new instance
+                    old_human_values = '; '.join([str(element) for element in previous_value])
+                    previous_value = ','.join([str(element.id) for element in previous_value])  # overwrite variable
+                else:  # new instance
                     old_human_values = ''
                     previous_value = ''
-                #description
+                # description
                 description = '{} changed from "{}" to "{}"'.format(field, old_human_values, new_human_values)
             else:
-                if self.instance.id: #update instance
+                if self.instance.id:  # update instance
                     previous_value = str(getattr(self.instance, field))
                 else:
                     previous_value = ''
                 new_value = str(self.cleaned_data[field])
                 description = '{} changed from "{}" to "{}"'.format(field, previous_value, new_value)
-  
-            p = Provenance(modified_table = Appointment._meta.db_table,
-                            modified_table_id = self.instance.id,
-                            modification_author=self.user,
-                            previous_value = previous_value,
-                            new_value = new_value,
-                            modification_description = description,
-                            modified_field = field,
-                            )
+
+            p = Provenance(modified_table=Appointment._meta.db_table,
+                           modified_table_id=self.instance.id,
+                           modification_author=self.user,
+                           previous_value=previous_value,
+                           new_value=new_value,
+                           modification_description=description,
+                           modified_field=field,
+                           )
             self.changes.append(p)
 
+
 class AppointmentDetailForm(AppointmentForm):
     class Meta:
         model = Appointment
@@ -110,7 +111,8 @@ class AppointmentEditForm(AppointmentForm):
             return location
 
     def clean(self):
-        self.register_changes() #right before instance is changed
+        if len(self.errors) == 0:
+            self.register_changes()  # right before instance is changed
 
     def save(self, commit=True):
 
@@ -135,7 +137,7 @@ class AppointmentEditForm(AppointmentForm):
                 appointment_type_link = AppointmentTypeLink(appointment=appointment,
                                                             appointment_type=appointment_type)
                 appointment_type_link.save()
-        
+
         self.save_changes()
         return appointment
 
@@ -165,14 +167,15 @@ class AppointmentAddForm(AppointmentForm):
                                                                              )
         fields['worker_assigned'].widget.attrs = {'class': 'search_worker_availability'}
         fields['datetime_when'].widget.attrs = {'class': 'start_date', 'placeholder': 'yyyy-mm-dd HH:MM',
-        'pattern': '[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}'}
+                                                'pattern': '[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}'}
         fields['length'].widget.attrs = {'class': 'appointment_duration'}
 
         self.fields = fields
         self.fields['location'].queryset = get_filter_locations(self.user)
 
     def clean(self):
-        self.register_changes() #right before instance is changed
+        if len(self.errors) == 0:
+            self.register_changes()  # right before instance is changed
 
     def clean_location(self):
         location = self.cleaned_data['location']