Process contributor data

Add util function for processing contributor data, and remove bignums,
etc.

app/models/contributor.js

@@ -1,14 +1,12 @@
 import EmberObject from '@ember/object';
-import bignumber from 'kredits-web/utils/cps/bignumber';
-import kreditsValue from 'kredits-web/utils/cps/kredits';
 
 export default EmberObject.extend({
   // Contract
-  id: bignumber('idRaw', 'toString'),
+  id: null,
   account: null,
-  balance: kreditsValue('balanceRaw'),
-  totalKreditsEarned: bignumber('totalKreditsEarnedRaw', 'toNumber'),
-  contributionsCount: bignumber('contributionsCountRaw', 'toNumber'),
+  balance: 0,
+  totalKreditsEarned: 0,
+  contributionsCount: 0,
   isCore: false,
   ipfsHash: null,
 
@@ -20,6 +18,5 @@ export default EmberObject.extend({
   github_uid: null,
   wiki_username: null,
   zoom_display_name: null,
-  ipfsData: ''
 
 });

app/services/kredits.js

@@ -9,6 +9,7 @@ import { alias, notEmpty } from '@ember/object/computed';
 import { isEmpty, isPresent } from '@ember/utils';
 
 import groupBy from 'kredits-web/utils/group-by';
+import processContributorData from 'kredits-web/utils/process-contributor-data';
 import formatKredits from 'kredits-web/utils/format-kredits';
 
 import config from 'kredits-web/config/environment';
@@ -208,8 +209,8 @@ export default Service.extend({
   getContributors () {
     return this.kredits.Contributor.all()
       .then(contributors => {
-        return contributors.map(contributor => {
-          return Contributor.create(contributor);
+        return contributors.map(data => {
+          return Contributor.create(processContributorData(data));
         });
       });
   },

app/utils/process-contributor-data.js

@@ -0,0 +1,19 @@
+export default function processContributorData(data) {
+  const processed = {
+    id: data.id.toString(),
+    balance: data.balanceInt,
+    totalKreditsEarned: data.totalKreditsEarned,
+    contributionsCount: data.contributionsCount.toNumber()
+  }
+
+  const otherProperties = [
+    'account', 'accounts', 'ipfsHash', 'isCore', 'kind', 'name', 'url',
+    'github_username', 'github_uid', 'wiki_username', 'zoom_display_name'
+  ];
+
+  otherProperties.forEach(prop => {
+    processed[prop] = data[prop];
+  });
+
+  return processed;
+}