Roughing in roles selection

app/helpers/equal.js

@@ -0,0 +1,7 @@
+import Ember from 'ember';
+
+export function equalHelper(params) {
+  return params[0] === params[1];
+}
+
+export default Ember.HTMLBars.makeBoundHelper(equalHelper);

app/pods/protected/users/edit/template.hbs

@@ -1,6 +1,7 @@
 {{
   protected/users/user-form
   user=model
+  currentUser=session.currentUser
   save="save"
   cancel="cancel"
 }}

app/pods/protected/users/user-form/component.js

@@ -1,6 +1,12 @@
 import Ember from 'ember';
 
 export default Ember.Component.extend({
+  isAdmin: Ember.computed('currentUser', function() {
+    return this.get('currentUser.role') == 'A';
+  }),
+
+  roles: Ember.String.w('A R W'),
+
   actions: {
     save: function() {
       this.sendAction('save');

app/pods/protected/users/user-form/template.hbs

@@ -16,7 +16,15 @@
     <div data-row-span="1">
       <div data-field-span="1">
         <label>Role</label>
-        {{user.role}}
+        {{#if isAdmin}}
+          <select onchange={{action (mut user.role) value="target.value"}}>
+            {{#each roles as |roleChoice|}}
+              <option value={{roleChoice}} selected={{equal user.role roleChoice}}>{{roleChoice}}</option>
+            {{/each}}
+          </select>
+        {{else}}
+          {{user.role}}
+        {{/if}}
       </div>
     </div>
   </fieldset>