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[Search] Throttle search

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Use the throttle service to throttle search
calls from the search controller. #91.
This commit is contained in:
slhale 2015-08-28 13:39:25 -07:00
parent 5230bdfc6b
commit e045ce223b
2 changed files with 17 additions and 12 deletions
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2
platform/search/bundle.json
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@ -13,7 +13,7 @@
{ {
"key": "SearchController", "key": "SearchController",
"implementation": "controllers/SearchController.js", "implementation": "controllers/SearchController.js",
"depends": [ "$scope", "searchService" ] "depends": [ "$scope", "searchService", "throttle" ]
}, },
{ {
"key": "SearchMenuController", "key": "SearchMenuController",

27
platform/search/src/controllers/SearchController.js
View File

@ -30,7 +30,7 @@ define(function () {
var INITIAL_LOAD_NUMBER = 20, var INITIAL_LOAD_NUMBER = 20,
LOAD_INCREMENT = 20; LOAD_INCREMENT = 20;
function SearchController($scope, searchService) { function SearchController($scope, searchService, throttle) {
// numResults is the amount of results to display. Will get increased. // numResults is the amount of results to display. Will get increased.
// fullResults holds the most recent complete searchService response object // fullResults holds the most recent complete searchService response object
var numResults = INITIAL_LOAD_NUMBER, var numResults = INITIAL_LOAD_NUMBER,
@ -88,15 +88,6 @@ define(function () {
function search(maxResults) { function search(maxResults) {
var inputText = $scope.ngModel.input; var inputText = $scope.ngModel.input;
if (inputText !== '' && inputText !== undefined) {
// We are starting to load.
$scope.loading = true;
// Update whether the file tree should be displayed
// Hide tree only when starting search
$scope.ngModel.search = true;
}
if (!maxResults) { if (!maxResults) {
// Reset 'load more' // Reset 'load more'
numResults = INITIAL_LOAD_NUMBER; numResults = INITIAL_LOAD_NUMBER;
@ -129,7 +120,21 @@ define(function () {
* that this function should return. If not provided, search * that this function should return. If not provided, search
* service default will be used. * service default will be used.
*/ */
search: search, search: function (maxResults) {
// Show that we are loading before starting the throttled function
// so that the user knows the input was detected.
if ($scope.ngModel.input !== '' && $scope.ngModel.input !== undefined) {
// We are starting to load.
$scope.loading = true;
// Update whether the file tree should be displayed
// Hide tree only when starting search
$scope.ngModel.search = true;
}
// Call a throttled search
return throttle(search)(maxResults);
},
/** /**
* Checks to see if there are more search results to display. If the answer is * Checks to see if there are more search results to display. If the answer is