+ # Automatically log tracked fields
+ #------------------------------------------------------
+
+ def _get_tracked_fields(self, cr, uid, updated_fields, context=None):
+ """ Return a structure of tracked fields for the current model.
+ :param list updated_fields: modified field names
+ :return list: a list of (field_name, column_info obj), containing
+ always tracked fields and modified on_change fields
+ """
+ lst = []
+ for name, column_info in self._all_columns.items():
+ visibility = getattr(column_info.column, 'track_visibility', False)
+ if visibility == 'always' or (visibility == 'onchange' and name in updated_fields) or name in self._track:
+ lst.append(name)
+ if not lst:
+ return lst
+ return self.fields_get(cr, uid, lst, context=context)
+
+ def message_track(self, cr, uid, ids, tracked_fields, initial_values, context=None):
+
+ def convert_for_display(value, col_info):
+ if not value and col_info['type'] == 'boolean':
+ return 'False'
+ if not value:
+ return ''
+ if col_info['type'] == 'many2one':
+ return value[1]
+ if col_info['type'] == 'selection':
+ return dict(col_info['selection'])[value]
+ return value
+
+ def format_message(message_description, tracked_values):
+ message = ''
+ if message_description:
+ message = '<span>%s</span>' % message_description
+ for name, change in tracked_values.items():
+ message += '<div> • <b>%s</b>: ' % change.get('col_info')
+ if change.get('old_value'):
+ message += '%s → ' % change.get('old_value')
+ message += '%s</div>' % change.get('new_value')
+ return message
+
+ if not tracked_fields:
+ return True
+
+ for record in self.read(cr, uid, ids, tracked_fields.keys(), context=context):
+ initial = initial_values[record['id']]
+ changes = []
+ tracked_values = {}
+
+ # generate tracked_values data structure: {'col_name': {col_info, new_value, old_value}}
+ for col_name, col_info in tracked_fields.items():
+ if record[col_name] == initial[col_name] and getattr(self._all_columns[col_name].column, 'track_visibility', None) == 'always':
+ tracked_values[col_name] = dict(col_info=col_info['string'],
+ new_value=convert_for_display(record[col_name], col_info))
+ elif record[col_name] != initial[col_name]:
+ if getattr(self._all_columns[col_name].column, 'track_visibility', None) in ['always', 'onchange']:
+ tracked_values[col_name] = dict(col_info=col_info['string'],
+ old_value=convert_for_display(initial[col_name], col_info),
+ new_value=convert_for_display(record[col_name], col_info))
+ if col_name in tracked_fields:
+ changes.append(col_name)
+ if not changes:
+ continue
+
+ # find subtypes and post messages or log if no subtype found
+ subtypes = []
+ for field, track_info in self._track.items():
+ if field not in changes:
+ continue
+ for subtype, method in track_info.items():
+ if method(self, cr, uid, record, context):
+ subtypes.append(subtype)
+
+ posted = False
+ for subtype in subtypes:
+ try:
+ subtype_rec = self.pool.get('ir.model.data').get_object(cr, uid, subtype.split('.')[0], subtype.split('.')[1])
+ except ValueError, e:
+ _logger.debug('subtype %s not found, giving error "%s"' % (subtype, e))
+ continue
+ message = format_message(subtype_rec.description if subtype_rec.description else subtype_rec.name, tracked_values)
+ self.message_post(cr, uid, record['id'], body=message, subtype=subtype, context=context)
+ posted = True
+ if not posted:
+ message = format_message('', tracked_values)
+ self.message_post(cr, uid, record['id'], body=message, context=context)
+ return True
+
+ #------------------------------------------------------