Fix displaying no-builds and not-active errors

This commit unifies the behaviour of displaying no-builds and not-active
errors for repo and fixes the error when user can't access repo settings
when the project is not active.

app/routes/repo/index.js

@@ -7,14 +7,41 @@ export default TravisRoute.extend({
     return this.controllerFor('repo').activate('current');
   },
 
-  renderTemplate() {
-    return this.render('build');
-  },
   deactivate() {
     var repo;
     repo = this.controllerFor('repo');
     this.controllerFor('build').set('build', null);
     this.controllerFor('job').set('job', null);
+    this.stopObservingRepoStatus();
     return this._super.apply(this, arguments);
+  },
+
+  activate() {
+    this.observeRepoStatus();
+    return this._super.apply(this, arguments);
+  },
+
+  observeRepoStatus() {
+    let controller = this.controllerFor('repo');
+    controller.addObserver('repo.active', this, 'renderTemplate');
+    controller.addObserver('repo.lastBuildId', this, 'renderTemplate');
+  },
+
+  stopObservingRepoStatus() {
+    let controller = this.controllerFor('repo');
+    controller.removeObserver('repo.active', this, 'renderTemplate');
+    controller.removeObserver('repo.lastBuildId', this, 'renderTemplate');
+  },
+
+  renderTemplate() {
+    let controller = this.controllerFor('repo');
+
+    if(!controller.get('repo.active')) {
+      this.render('repo/not-active');
+    } else if(!controller.get('repo.lastBuildId')) {
+      this.render('repo/no-build');
+    } else {
+      this.render('build');
+    }
   }
 });

app/templates/branches.hbs

@@ -1,30 +1,34 @@
-<div class="branches">
-  <section>
-    <h2 class="small-title">Default Branch</h2>
-    <ul class="blank-list">
-      {{branch-row build=defaultBranch}}
-    </ul>
-  </section>
-
-  {{#if activeBranches.length}}
+{{#if defaultBranch}}
+  <div class="branches">
     <section>
-      <h2 class="small-title">Active Branches</h2>
+      <h2 class="small-title">Default Branch</h2>
       <ul class="blank-list">
-        {{#each activeBranches as |branch|}}
-          {{branch-row build=branch}}
-        {{/each}}
+        {{branch-row build=defaultBranch}}
       </ul>
     </section>
-  {{/if}}
 
-  {{#if inactiveBranches.length}}
-    <section>
-      <h2 class="small-title">Inactive Branches</h2>
-      <ul class="blank-list">
-        {{#each inactiveBranches as |branch|}}
-          {{branch-row build=branch inactive=true}}
-        {{/each}}
-      </ul>
-    </section>
-  {{/if}}
-</div>
+    {{#if activeBranches.length}}
+      <section>
+        <h2 class="small-title">Active Branches</h2>
+        <ul class="blank-list">
+          {{#each activeBranches as |branch|}}
+            {{branch-row build=branch}}
+          {{/each}}
+        </ul>
+      </section>
+    {{/if}}
+
+    {{#if inactiveBranches.length}}
+      <section>
+        <h2 class="small-title">Inactive Branches</h2>
+        <ul class="blank-list">
+          {{#each inactiveBranches as |branch|}}
+            {{branch-row build=branch inactive=true}}
+          {{/each}}
+        </ul>
+      </section>
+    {{/if}}
+  </div>
+{{else}}
+  {{no-builds}}
+{{/if}}

app/templates/repo.hbs

@@ -23,15 +23,7 @@
           {{repo-show-tabs repo=repo tab=tab build=build job=job}}
         </div>
         <div class="tabbody repo-body">
-          {{#if showCurrentBuild}}
-            {{outlet}}
-          {{else}}
-            {{#if repo.lastBuildId}}
-              {{not-active user=currentUser repo=repo}}
-            {{else}}
-              {{no-builds}}
-            {{/if}}
-          {{/if}}
+          {{outlet}}
         </div>
       </main>
     </article>

app/templates/repo/no-build.hbs

@@ -0,0 +1 @@
+{{no-builds}}

app/templates/repo/not-active.hbs

@@ -0,0 +1 @@
+{{not-active user=currentUser repo=repo}}