Now save only the username of the user in search history.

seasoned_api/src/searchHistory/searchHistory.js

@@ -15,7 +15,7 @@ class SearchHistory {
    * @returns {Promise}
    */
    read(user) {
-      return this.database.all(this.queries.read, user)
+      return this.database.all(this.queries.read, user.username)
          .then(rows => rows.map(row => row.search_query));
    }
 
@@ -26,7 +26,7 @@ class SearchHistory {
    * @returns {Promise}
    */
    create(user, searchQuery) {
-      return this.database.run(this.queries.create, [searchQuery, user])
+      return this.database.run(this.queries.create, [searchQuery, user.username])
          .catch((error) => {
             if (error.message.includes('FOREIGN')) {
                throw new Error('Could not create search history.');