notifications: clearAlert

src/notifications.js

@@ -17,6 +17,7 @@ exports = module.exports = {
     ALERT_MANUAL_APP_UPDATE: 'manualAppUpdate',
 
     alert,
+    clearAlert,
 
     // exported for testing
     _add: add
@@ -233,25 +234,29 @@ async function alert(id, title, message) {
 
     const result = await getByTitle(title);
 
-    if (message) {
-        if (!result) {
-            return await add(null /* eventId */, title, message);
-        } else {
-            await update(result, {
-                eventId: null,
-                title,
-                message,
-                acknowledged: false,
-                creationTime: new Date()
-            });
-            return result.id;
-        }
+    if (!result) {
+        return await add(null /* eventId */, title, message);
     } else {
-        await database.query('DELETE FROM notifications WHERE title = ?', [ title ]);
-        return null;
+        await update(result, {
+            eventId: null,
+            title,
+            message,
+            acknowledged: false,
+            creationTime: new Date()
+        });
+        return result.id;
     }
 }
 
+// id is unused but nice to search code
+async function clearAlert(id, title) {
+    assert.strictEqual(typeof id, 'string');
+    assert.strictEqual(typeof title, 'string');
+
+    await database.query('DELETE FROM notifications WHERE title = ?', [ title ]);
+    return null;
+}
+
 async function onEvent(id, action, source, data) {
     assert.strictEqual(typeof id, 'string');
     assert.strictEqual(typeof action, 'string');