Move sorted contributors to kredits service

app/components/add-contribution/component.js

@@ -1,13 +1,15 @@
 import Component from '@ember/component';
 import { computed } from '@ember/object';
-import { and, notEmpty } from '@ember/object/computed';
+import { alias, and, notEmpty } from '@ember/object/computed';
 import { assign } from '@ember/polyfills';
 import moment from 'moment';
+import { inject as service } from '@ember/service';
 
 export default Component.extend({
+  kredits: service(),
 
   attributes: null,
-  contributors: Object.freeze([]),
+  contributors: alias('kredits.contributorsSorted'),
 
   isValidContributor: notEmpty('contributorId'),
   isValidKind: notEmpty('kind'),
@@ -72,7 +74,5 @@ export default Component.extend({
         })
         .finally(() => this.set('inProgress', false));
     }
-
   }
-
 });

app/services/kredits.js

@@ -4,7 +4,7 @@ import Kredits from 'kredits-contracts';
 import Service from '@ember/service';
 import EmberObject from '@ember/object';
 import { computed } from '@ember/object';
-import { alias, notEmpty } from '@ember/object/computed';
+import { alias, filterBy, notEmpty, sort } from '@ember/object/computed';
 import { isEmpty, isPresent } from '@ember/utils';
 import { inject as service } from '@ember/service';
 
@@ -39,6 +39,10 @@ export default Service.extend({
   currentUserIsCore: alias('currentUser.isCore'),
   hasAccounts: notEmpty('currentUserAccounts'),
 
+  contributorsMined: filterBy('contributors', 'id'),
+  contributorsSorting: Object.freeze(['name:asc']),
+  contributorsSorted: sort('contributorsMined', 'contributorsSorting'),
+
   // When data was loaded from cache, we need to fetch updates from the network
   contributorsNeedSync: false,
   contributionsNeedSync: false,

app/templates/contributions/new.hbs

@@ -6,8 +6,7 @@
     </header>
 
     <div class="content">
-      <AddContribution @contributors={{this.sortedContributors}}
-                       @attributes={{this.model.params}}
+      <AddContribution @attributes={{this.model.params}}
                        @save={{action "save"}} />
     </div>
   </section>

tests/unit/services/kredits-test.js

@@ -49,4 +49,12 @@ module('Unit | Service | kredits', function(hooks) {
     assert.equal(c3.amountUnconfirmed, 5000, 'correct amount unconfirmed');
     assert.equal(c3.amountTotal, 5000, 'correct amount total');
   });
+
+  test('#contributorsSorted', function(assert) {
+    let service = this.owner.lookup('service:kredits');
+    service.set('contributors', contributors);
+
+    assert.ok(service.contributorsSorted instanceof Array, 'is an array');
+    assert.equal(service.contributorsSorted[1].name, 'Manuel', 'sorts by name');
+  });
 });