Updates to fulltext-search sample.

README.md

@@ -42,7 +42,7 @@ Copies Firebase Database elements into BigQuery automatically. This can be usefu
 
 ### [Full-text search via Algolia](/fulltext-search)
 
-Enable full text search on firebase database elements by using an Algolia hosted search service.
+Enable full-text search on firebase database elements by using an Algolia hosted search service.
 
 ## Contributing
 

fulltext-search/README.md

@@ -10,28 +10,46 @@ The dependencies are listed in [package.json](package.json).
 
 ## Sample Database Structure
 
-As an example we'll be using a simple logs database structure:
+As an example we'll be using a simple blog structure:
 
 ```
 /functions-project-12345
-    /logs
+    /blog-posts
         /key-123456
-            text: "User signed in."
+            text: "This is my first blog entry..."
         /key-123457
-            text: "Error: Could not connect to Database"
+            text: "This is my second blog entry..."
+    /search
+        /queries
+            /key-546789
+                query: "first entry"
+            /key-078234
+                query: "second entry"
+        /results
+            /key-546789
+                result: "first entry"
+            /key-078234
+                result: "second entry"
 ```
 
 ## Trigger rules
 
-Below is the trigger rule for the `addtobigquery` function making sure it's triggered when a new log entry is added.
+Below is the trigger rule for the `indexentry` function making sure it's triggered when a new log entry is added and for the `searchentry` function making sure it's triggered when a new search query is added.
 
 ```
   "functions": {
     ".source": "functions",
-    "addtobigquery": {
+    "indexentry": {
       "triggers": {
         "database": {
-          "path": "/logs/$logid"
+          "path": "/blog-posts/$blogid"
+        }
+      }
+    }
+    "searchentry": {
+      "triggers": {
+        "database": {
+          "path": "/search/queries/$queryid"
         }
       }
     }

fulltext-search/index.js

@@ -22,40 +22,42 @@ var ref = new Firebase(env.get('firebase.database.url'), 'admin');
 ref.auth(env.get('firebase.database.token'));
 
 // Authenticate to Algolia Database.
-// TODO: Make sure you add your Algolia Key and Secret into env.json
+// TODO: Make sure you add your Algolia Key and Secret into the env.json file.
 var algoliasearch = require('algoliasearch');
 var client = algoliasearch(env.get('algolia.key'), env.get('algolia.secret'));
 var index = client.initIndex('users');
 
-ref.child("search").remove();
-
+// Updates the search index when new blog entries are created or updated.
 function index_entry(context, data) {
-  ref.child(data.path).once("value", function (dataSnapshot) {
+  ref.child(data.path).once('value', function (dataSnapshot) {
     var firebaseObject = dataSnapshot.val();
     firebaseObject.objectID = dataSnapshot.key();
 
-    index.saveObject(firebaseObject, function(err, content) {
-      if (err) throw err;
-      ref.child('last_index').set(Firebase.ServerValue.TIMESTAMP);
-      context.done();
+    index.saveObject(firebaseObject, function(error) {
+      if (error) {
+        context.done(error);
+      } else {
+        ref.child('last_index').set(Firebase.ServerValue.TIMESTAMP);
+        context.done();
+      }
     });
   });
 }
 
 function search_entry(context, data) {
   ref.child('last_query').set(Firebase.ServerValue.TIMESTAMP);
-  ref.child(data.path).once("value", function (dataSnapshot) {
+  ref.child(data.path).once('value', function (dataSnapshot) {
     var query = dataSnapshot.val(),
         key = dataSnapshot.key();
 
     index.search(query, function searchDone(err, content) {
-      ref.child("search/results").child(key).set(content);
+      ref.child('search/results').child(key).set(content);
       context.done();
     });
   });
 }
 
 module.exports = {
-  "index-entry": index_entry,
-  "search-entry": search_entry
+  'indexentry': index_entry,
+  'searchentry': search_entry
 }