Simple implementation of CSV file import. Successfully imported items are appended to the model.

model/metadata.h

@@ -50,5 +50,13 @@ static int GET_ROLE_FOR_COLUMN(const int column) {
       break;
   }
 }
+static QList<QString> GET_HEADER_NAMES() {
+  QList<QString> result;
+  for (const UserRoles& role : USER_FACING_ROLES) {
+    const QString headerName = ROLE_NAMES.value(role);
+    result.append(headerName);
+  }
+  return result;
+}
 
 #endif  // METADATA_H