1 files changed, 40 insertions, 0 deletions
diff --git a/app/assets/javascripts/filtered_search/services/recent_searches_service.js b/app/assets/javascripts/filtered_search/services/recent_searches_service.js
new file mode 100644
index 00000000000..a056dea928d
--- /dev/null
+++ b/app/assets/javascripts/filtered_search/services/recent_searches_service.js
@@ -0,0 +1,40 @@
+import RecentSearchesServiceError from './recent_searches_service_error';
+import AccessorUtilities from '../../lib/utils/accessor';
+
+class RecentSearchesService {
+  constructor(localStorageKey = 'issuable-recent-searches') {
+    this.localStorageKey = localStorageKey;
+  }
+
+  fetch() {
+    if (!RecentSearchesService.isAvailable()) {
+      const error = new RecentSearchesServiceError();
+      return Promise.reject(error);
+    }
+
+    const input = window.localStorage.getItem(this.localStorageKey);
+
+    let searches = [];
+    if (input && input.length > 0) {
+      try {
+        searches = JSON.parse(input);
+      } catch (err) {
+        return Promise.reject(err);
+      }
+    }
+
+    return Promise.resolve(searches);
+  }
+
+  save(searches = []) {
+    if (!RecentSearchesService.isAvailable()) return;
+
+    window.localStorage.setItem(this.localStorageKey, JSON.stringify(searches));
+  }
+
+  static isAvailable() {
+    return AccessorUtilities.isLocalStorageAccessSafe();
+  }
+}
+
+export default RecentSearchesService;