Add package sorting.

* guix-packages.js (guix.Sorter): New data type.
  (guix.Soter.prototype.sort): New method.
  (guix.controller): Sort by name by default.

1 files changed, 12 insertions, 0 deletions

diff --git a/js/guix-packages.js b/js/guix-packages.js
index 3a3518a..1f57f1e 100644
--- a/js/guix-packages.js
+++ b/js/guix-packages.js
@@ -35,6 +35,17 @@ guix.Packages = function() {
   return m.request({ method: "GET", url: "packages.json" });
 };
 
+guix.Sorter = function(field, isDescending) {
+  this.field = field;
+  this.isDescending = _.isUndefined(isDescending) ? false : isDescending;
+};
+
+guix.Sorter.prototype.sort = function(array) {
+  var result = _.sortBy(array, this.field);
+
+  return this.isDescending ? result.reverse() : result;
+};
+
 guix.controller = function() {
   var self = this;
 
@@ -43,6 +54,7 @@ guix.controller = function() {
   this.currentPageIndex = 0;
   this.pageSize = 20;
   this.searchTerm = m.prop("");
+  this.sorter = new guix.Sorter("name");
 
   // All packages are visible initially
   this.packages.then(function(packages) {