flask backend: fix access_date population

Enables saving updates to access_date and ensures it is populated

backend/flask/src/clipperz/api.py

@@ -438,6 +438,11 @@ class message(HandlerMixin):
         result['oldestUsedEncryptedVersion'] = oldest_encryption_version
         result['versions'] = record_versions
         result['currentVersion'] = record.current_record_version.reference
+        record.current_record_version.access()
+        record.access()
+        db.session.add(record)
+        db.session.add(record_version)
+        db.session.commit()
         return jsonify({'result': result})
 
     @login_required

backend/flask/src/clipperz/models.py

@@ -104,8 +104,12 @@ class RecordVersion(db.Model):
         self.version = self.record.version
         self.previous_version_key = recordVersionData['previousVersionKey']
         self.update_date = datetime.datetime.utcnow()
+        self.access_date = datetime.datetime.utcnow()
 
         self.record.update(someData['record'], self)
+
+    def access(self):
+        self.access_date = datetime.datetime.now()
 # ------------------------------------------------------------------------------
 
 
@@ -144,9 +148,13 @@ class Record(db.Model):
         self.data = data['data']
         self.api_version = data['version']
         self.update_date = datetime.datetime.now()
+        self.access_date = datetime.datetime.now()
         self.current_record_version = record_version
         self.version += 1
 
+    def access(self):
+        self.access_date = datetime.datetime.now()
+
 # ------------------------------------------------------------------------------