From f6d222b7ec6fc873f6fde924d1fe8a67afc8f3ff Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Sun, 14 Sep 2014 19:40:46 +0900
Subject: [PATCH] Fixing rating system

---
 server/db/search.js | 44 ++++++++++++++++++++++++++------------------
 1 file changed, 26 insertions(+), 18 deletions(-)

diff --git a/server/db/search.js b/server/db/search.js
index b2052c3..255e96f 100644
--- a/server/db/search.js
+++ b/server/db/search.js
@@ -28,12 +28,17 @@ function scale(values, factor) {
 function countData(searchParams, minScore) {
     var dataCount = 0;
 
-    for (var keyword in searchParams) {
-        var features = scale(db_keywords[keyword], searchParams[keyword]);
-        for (var i = 0, count = db_data.length; i < count; ++i) {
-            if (innerProduct(features, db_data[i].rating) >= minScore) {
-                ++dataCount;
-            }
+    for (var i = 0, count = db_data.length; i < count; ++i) {
+        var record = db_data[i];
+        var score  = 0.0;
+
+        for (var keyword in searchParams) {
+            var features = scale(db_keywords[keyword], searchParams[keyword]);
+            score += innerProduct(features, record.rating);
+        }
+
+        if (score >= minScore) {
+            ++dataCount;
         }
     }
 
@@ -43,19 +48,22 @@ function countData(searchParams, minScore) {
 function findData(searchParams, minScore, maxResults) {
     var results = [];
 
-    for (var keyword in searchParams) {
-        var features = scale(db_keywords[keyword], searchParams[keyword]);
-        for (var i = 0, count = db_data.length; i < count; ++i) {
-            var record = db_data[i];
-            var score  = innerProduct(features, record.rating);
+    for (var i = 0, count = db_data.length; i < count; ++i) {
+        var record = db_data[i];
+        var score  = 0.0;
 
-            if (score >= minScore) {
-                results.push({
-                   name:  record.name,
-                   url:   'http://www.tripadvisor.com' + record.relativeUrl,
-                   score: score
-                });
-            }
+        for (var keyword in searchParams) {
+            var features = scale(db_keywords[keyword], searchParams[keyword]);
+            score += innerProduct(features, record.rating);
+
+        }
+
+        if (score >= minScore) {
+            results.push({
+                name:  record.name,
+                url:   'http://www.tripadvisor.com' + record.relativeUrl,
+                score: score
+            });
         }
     }