From 57bfa4fe42c10e254a96817586d5e64de45cdf9d Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Wed, 21 May 2014 00:14:38 +0200
Subject: preprocess: split edge filtering for possible re-use

Also drop a useless users assignment.
---
 preprocess.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'preprocess.js')

diff --git a/preprocess.js b/preprocess.js
index 03af077..2055382 100644
--- a/preprocess.js
+++ b/preprocess.js
@@ -5,14 +5,13 @@
 
 'use strict';
 
-function preprocess(data, options) {
+/* find user nodes and remove invalid edges */
+function filterEdges(data) {
     // map userID to nodes
     var users = {};
     data.nodes.forEach(function (user, i) {
         users[user.group] = user;
     });
-    console.log('Initial nodes count:', data.nodes.length);
-    console.log('Initial edges count:', data.edges.length);
 
     var ratelimit_count = 0, ratelimit_max = 10;
     function ratelimit() {
@@ -41,6 +40,12 @@ function preprocess(data, options) {
     if (ratelimit_count > ratelimit_max) {
         console.log('Supressed', ratelimit_count, 'messages');
     }
+}
+
+function preprocess(data, options) {
+    console.log('Initial nodes count:', data.nodes.length);
+    console.log('Initial edges count:', data.edges.length);
+    filterEdges(data);
     console.log('Valid edges count:', data.edges.length);
 
     // find all related users by userID
@@ -61,7 +66,6 @@ function preprocess(data, options) {
     // prepare data for force layout: map user IDs to indices
     var userIds_indices = {};
     data.nodes.forEach(function (user, i) {
-        users[user.group] = user;
         userIds_indices[user.group] = i;
     });
     console.log('UserID to index map:', userIds_indices);
-- 
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