From f714212423012f45ec48e9394c3474e6a483e393 Mon Sep 17 00:00:00 2001
From: Devin Howard <devin@callysto.com>
Date: Sat, 16 Mar 2013 13:30:54 -0400
Subject: [PATCH] implement synapse autocomplete controller function to make
 the results distinct. fixes #139

---
 .../javascripts/Jit/graphsettings-event-handlers.js  |  3 +++
 app/controllers/synapses_controller.rb               | 12 +++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/Jit/graphsettings-event-handlers.js b/app/assets/javascripts/Jit/graphsettings-event-handlers.js
index 80136c18..52f12e20 100644
--- a/app/assets/javascripts/Jit/graphsettings-event-handlers.js
+++ b/app/assets/javascripts/Jit/graphsettings-event-handlers.js
@@ -61,6 +61,9 @@ function nodeDoubleClickHandler(node, e) {
     
 }//doubleClickNodeHandler
 
+/*
+ * Returns a boolean saying if the node was double clicked in our understanding of the word
+ */
 function nodeWasDoubleClicked() {
    //grab the timestamp of the click 
    var storedTime = MetamapsModel.lastNodeClick;
diff --git a/app/controllers/synapses_controller.rb b/app/controllers/synapses_controller.rb
index 4a4910ab..e1fe3f90 100644
--- a/app/controllers/synapses_controller.rb
+++ b/app/controllers/synapses_controller.rb
@@ -5,7 +5,17 @@ class SynapsesController < ApplicationController
     
   respond_to :html, :js, :json
   
-  autocomplete :synapse, :desc, :full => true
+  def autocomplete_synapse_desc
+    term = params[:term]
+    if term && !term.empty?
+      items = Synapse.select('DISTINCT "desc"').
+        where('LOWER("desc") like ?', term.downcase + '%').
+        limit(10).order('"desc"')
+    else
+      items = {}
+    end
+    render :json => json_for_autocomplete(items, :desc)
+  end
   
   # GET synapses
   # or GET users/:user_id/synapses