From 7f841196a627ab5e4304bbc8a05c409995dfb6dd Mon Sep 17 00:00:00 2001
From: Victor Costa <vfcosta@gmail.com>
Date: Wed, 22 Apr 2015 14:29:05 -0300
Subject: [PATCH] List in selection only topics that belongs to a category

---
 index.html               |  9 ++-------
 js/handlebars-helpers.js | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/index.html b/index.html
index 0c45d56..c8c0c65 100644
--- a/index.html
+++ b/index.html
@@ -77,16 +77,11 @@
               {{#each categories}}
                 <li class='category proposal-category' data-category="{{slug}}">
                   {{#link name id}}{{/link}}
-                  <select class='proposal-selection'>
-                    <option value='{{../id}}' selected> {{../title}}</option>
-                    {{#each ../../article.children}}
-                      <option value='{{id}}'> {{title}}</option>
-                    {{/each}}
-                  </select>
+                  {{#select_proposal ../../article.children slug ../id}}{{/select_proposal}}
                 </li>
               {{/each}}
             </ul>
-            
+
             <div class='proposal-header'>
               <div class='abstract'>
                 <img src="{{../host}}{{image.url}}"/>
diff --git a/js/handlebars-helpers.js b/js/handlebars-helpers.js
index b46000d..8a6a1b6 100644
--- a/js/handlebars-helpers.js
+++ b/js/handlebars-helpers.js
@@ -52,3 +52,23 @@ Handlebars.registerHelper('replace', function(string, to_replace, replacement) {
 Handlebars.registerHelper('score', function(article) {
   return article.votes_for - article.votes_against;
 });
+
+Handlebars.registerHelper('select_proposal', function(proposals, category_slug, selected_id) {
+  var ret = '<select class="proposal-selection">';
+
+  for(var i=0; i<proposals.length; i++) {
+    if(!proposal_has_category(proposals[i], category_slug)) continue;
+    var selected = proposals[i].id===selected_id ? "selected" : "";
+    ret += '<option value="'+proposals[i].id+'" '+selected+'>'+proposals[i].title+'</option>';
+  }
+  ret += '</select>';
+  return ret;
+});
+
+function proposal_has_category(proposal, category_slug) {
+  for(var i=0; i<proposal.categories.length; i++) {
+    if(proposal.categories[i].slug == category_slug)
+      return true;
+  }
+  return false;
+}
--
libgit2 0.21.2