refactor {{poll-evaluation-chart}} and {{poll-evaluation-participants-table}} interfaces to make them less complex

app/components/poll-evaluation-chart.js

@@ -20,17 +20,11 @@ const addArrays = function() {
 export default Component.extend({
   i18n: inject.service(),
   type: 'bar',
-  data: computed('users.[]', 'dates.[]', 'dates.@each.formatted', 'pollOptions.[]', 'pollOptions.@each.title', 'i18n.locale', function() {
-    let labels;
-    if (this.get('isFindADate')) {
-      labels = this.get('dates').map((date) => {
-        return get(date, 'formatted');
+  data: computed('users.[]', 'options.[]', 'options.@each.formatted', 'options.@each.title', 'i18n.locale', function() {
+    let labels = this.get('options').map((option) => {
+      let formatted = get(option, 'formatted');
+      return isPresent(formatted) ? formatted : get(option, 'title');
     });
-    } else {
-      labels = this.get('pollOptions').map((pollOption) => {
-        return get(pollOption, 'title');
-      });
-    }
 
     let datasets = [];
     const participants = this.get('users.length');

app/templates/components/poll-evaluation-participants-table.hbs

@@ -14,9 +14,9 @@
       {{/if}}
       <tr>
         <th>&nbsp;</th>
-        {{#if isFindADate}}
-          {{#each dates as |date|}}
+        {{#each options as |option|}}
           <th>
+            {{#if isFindADate}}
               {{#if hasTimes}}
                 {{#if date.hasTime}}
                   {{date.formattedTime}}
@@ -24,15 +24,11 @@
               {{else}}
                 {{date.formatted}}
               {{/if}}
-            </th>
-          {{/each}}
             {{else}}
-          {{#each options as |option|}}
-            <th>
               {{option.title}}
+            {{/if}}
           </th>
         {{/each}}
-        {{/if}}
       </tr>
     </thead>
 

app/templates/poll/evaluation.hbs

@@ -4,9 +4,7 @@
   <h3>{{t 'poll.evaluation.overview'}}</h3>
   {{poll-evaluation-chart
     answerType=model.answerType
-    dates=dates
-    isFindADate=model.isFindADate
-    pollOptions=model.options
+    options=(if model.isFindADate dates model.options)
     users=model.users
   }}
 {{/if}}
@@ -14,10 +12,9 @@
 <h3>{{t 'poll.evaluation.participantTable'}}</h3>
 {{poll-evaluation-participants-table
   dateGroups=dateGroups
-  dates=dates
   hasTimes=hasTimes
   isFindADate=model.isFindADate
   isFreeText=model.isFreeText
-  options=model.options
+  options=(if model.isFindADate dates model.options)
   sortedUsers=sortedUsers
 }}

tests/integration/components/poll-evaluation-chart-test.js

@@ -11,7 +11,7 @@ moduleForComponent('poll-evaluation-chart', 'Integration | Component | poll eval
 });
 
 test('it renders', function(assert) {
-  this.set('dates', [
+  this.set('options', [
     Ember.Object.create({
       formatted: 'Thursday, January 1, 2015',
       title: moment('2015-01-01'),
@@ -70,7 +70,6 @@ test('it renders', function(assert) {
       ]
     })
   ]);
-  this.set('isFindADate', true);
-  this.render(hbs`{{poll-evaluation-chart dates=dates answerType=answerType isFindADate=isFindADate users=users}}`);
+  this.render(hbs`{{poll-evaluation-chart options=options answerType=answerType users=users}}`);
   assert.ok(this.$('canvas'), 'it renders a canvas element');
 });

tests/unit/components/poll-evaluation-chart-test.js

@@ -24,7 +24,7 @@ moduleForComponent('poll-evaluation-chart', 'Unit | Component | poll evaluation
 });
 
 test('data is a valid ChartJS dataset for FindADate', function(assert) {
-  const dates = [
+  let options = [
     Ember.Object.create({
       formatted: 'Thursday, January 1, 2015',
       title: moment('2015-01-01'),
@@ -48,8 +48,7 @@ test('data is a valid ChartJS dataset for FindADate', function(assert) {
   ];
   let component = this.subject({
     answerType: 'YesNoMaybe',
-    dates,
-    isFindADate: true,
+    options,
     users: [
       Ember.Object.create({
         id: 1,
@@ -90,8 +89,8 @@ test('data is a valid ChartJS dataset for FindADate', function(assert) {
   const data = component.get('data');
   assert.deepEqual(
     data.labels,
-    dates.map((date) => {
-      return date.hasTime ? date.title.format('LLLL') : date.title.format(
+    options.map((date) => {
+      return date.get('hasTime') ? date.get('title').format('LLLL') : date.get('title').format(
         moment.localeData()
           .longDateFormat('LLLL')
           .replace(
@@ -140,8 +139,7 @@ test('data is a valid ChartJS dataset for MakeAPoll', function(assert) {
   ];
   let component = this.subject({
     answerType: 'YesNoMaybe',
-    pollOptions: options,
-    isFindADate: false,
+    options,
     users: [
       Ember.Object.create({
         id: 1,