From b5f8e6d90c97a3608e041f957ade0001356c395a Mon Sep 17 00:00:00 2001
From: shale <sarah.hale@nasa.gov>
Date: Tue, 21 Jul 2015 16:21:23 -0700
Subject: [PATCH] [Search] Updating searchbar

Updating the searchbar to be again more
similar to the search view. It now has
a 'load more' button, but it is not
clickable for some reason. In progress.
---
 .../commonUI/browse/res/templates/browse.html |  4 +-
 platform/features/search/bundle.json          |  2 +-
 .../search/res/templates/searchbar.html       |  7 ++
 .../src/controllers/SearchbarController.js    | 74 +++++++++++++++++--
 4 files changed, 76 insertions(+), 11 deletions(-)

diff --git a/platform/commonUI/browse/res/templates/browse.html b/platform/commonUI/browse/res/templates/browse.html
index f2f0d4baa5..aa4816a882 100644
--- a/platform/commonUI/browse/res/templates/browse.html
+++ b/platform/commonUI/browse/res/templates/browse.html
@@ -28,11 +28,11 @@
                 >
                 <mct-representation key="'create-button'" mct-object="navigatedObject">
                 </mct-representation>
-                <!-- div>
+                <div>
                     <mct-include key="'searchbar'"
                                         mct-object="domainObject">
                     </mct-include>
-                </div -->
+                </div>
                 <div class='holder tree-holder abs'>
                     <mct-representation key="'tree'"
                                         mct-object="domainObject"
diff --git a/platform/features/search/bundle.json b/platform/features/search/bundle.json
index fd01c28a12..bb1ae81806 100644
--- a/platform/features/search/bundle.json
+++ b/platform/features/search/bundle.json
@@ -20,7 +20,7 @@
             {
                 "key": "SearchbarController",
                 "implementation": "controllers/SearchbarController.js",
-                "depends": [ "$scope", "searchService" ]
+                "depends": [ "$scope", "$timeout", "searchService" ]
             }
         ],
         "templates": [
diff --git a/platform/features/search/res/templates/searchbar.html b/platform/features/search/res/templates/searchbar.html
index 1416992fc2..27218e2778 100644
--- a/platform/features/search/res/templates/searchbar.html
+++ b/platform/features/search/res/templates/searchbar.html
@@ -36,4 +36,11 @@
                             mct-object="result.object">
         </mct-representation>
     </div>
+    
+    <!-- Load more? --> 
+    <div ng-if="controller.areMore()">
+        <button ng-click="controller.loadMore()"> 
+            Load more
+        </button>
+    </div>
 </span>
\ No newline at end of file
diff --git a/platform/features/search/src/controllers/SearchbarController.js b/platform/features/search/src/controllers/SearchbarController.js
index 1a48a9c793..5fa81793a5 100644
--- a/platform/features/search/src/controllers/SearchbarController.js
+++ b/platform/features/search/src/controllers/SearchbarController.js
@@ -27,23 +27,81 @@
 define(function () {
     "use strict";
     
-    function SearchbarController($scope, searchService) {
+    var INITIAL_LOAD_NUMBER = 20,
+        LOAD_INCREMENT = 5;
+    
+    function SearchbarController($scope, $timeout, searchService) {
+        // Starting amount of results to load. Will get increased. 
+        var numResults = INITIAL_LOAD_NUMBER;
+        
+        function update(timestamp) {
+            // Get the results 
+            $scope.results = searchService.getLatestResults(0, numResults);
+            
+            // Check to make sure that these results are the latest ones
+            function waitForLatest() {
+                var timestamps = searchService.getLatestTimestamps(),
+                    areOld = timestamps.some(function(c) {return c < timestamp;});
+                // If any of the timestamps are older than the one we made the query with
+                if (areOld) {
+                    // Then wait and try to update again
+                    searchService.updateResults();
+                    $timeout(waitForLatest, 100);
+                } else {
+                    // We got the latest results now 
+                    $scope.results = searchService.getLatestResults(0, numResults);
+                }
+            }
+            waitForLatest();
+        }
+        
+        function search(inputID) {
+            var date = new Date(),
+                timestamp = date.getTime();
+            
+            // Reset 'load more'
+            numResults = INITIAL_LOAD_NUMBER;
+            
+            // Send the query
+            searchService.sendQuery(inputID, timestamp);
+            
+            update(timestamp);
+        }
         
         return {
-            // Search the database using the user input of id "searchinput"
-            search: function (inputID) {
-                searchService.query(inputID).then(function (c) {
-                    $scope.results = c;
-                });
-            },
+            /**
+             * Search the filetree.
+             * 
+             * @param inputID The name of the ID property of the html text 
+             *   input where this funcion should find the search term.
+             */
+            search: search,
             
-            // Check to see if there are any search results to display.
+            /**
+             * Checks to see if there are any search results to display.
+             */
             areResults: function () {
                 if ($scope.results) {
                     return $scope.results.length > 0;
                 } else {
                     return false;
                 }
+            },
+            
+            /**
+             * Checks to see if there are more search results to display.
+             */
+            areMore: function () {
+                return numResults < searchService.getNumResults();
+            }, 
+            
+            /**
+             * Increases the number of search results to display, and then 
+             *   load them. 
+             */
+            loadMore: function () {
+                numResults += LOAD_INCREMENT;
+                update();
             }
         };
     }