Allow viewing supervisor logs

https://www.pivotaltracker.com/story/show/145177223

panels/hassio/dashboard/hassio-dashboard.html

@@ -107,7 +107,7 @@ Polymer({
   },
 
   storeTapped: function () {
-    this.fire('hassio-show-store');
+    this.fire('hassio-show-page', { page: 'addon-store' });
   },
 });
 </script>

panels/hassio/dashboard/hassio-supervisor-info.html

@@ -35,6 +35,7 @@
         </table>
       </div>
       <div class="card-actions">
+        <paper-button on-tap='supervisorLogsTapped'>View logs</paper-button>
         <template is='dom-if' if='[[computeUpdateAvailable(data)]]'>
           <ha-call-api-button
             hass='[[hass]]'
@@ -69,5 +70,9 @@ Polymer({
   computeUpdateAvailable: function (data) {
     return data.version !== data.last_version;
   },
+
+  supervisorLogsTapped: function () {
+    this.fire('hassio-show-page', { page: 'supervisor' });
+  }
 });
 </script>

panels/hassio/ha-panel-hassio.html

@@ -3,6 +3,7 @@
 <link rel="import" href="./dashboard/hassio-dashboard.html">
 <link rel="import" href="./addon-view/hassio-addon-view.html">
 <link rel="import" href="./addon-store/hassio-addon-store.html">
+<link rel="import" href="./supervisor/hassio-supervisor.html">
 <link rel="import" href="./hassio-loading.html">
 <link rel="import" href="./hassio-data.html">
 
@@ -52,11 +53,17 @@
 
     <template is='dom-if' if='[[addonStoreSelected(currentPage)]]'>
       <hassio-addon-store
-        id='addon-store'
         hass='[[hass]]'
         supervisor-info='[[supervisorInfo]]'
       ></hassio-addon-store>
     </template>
+
+    <template is='dom-if' if='[[supervisorSelected(currentPage)]]'>
+      <hassio-supervisor
+        hass='[[hass]]'
+        supervisor-info='[[supervisorInfo]]'
+      ></hassio-supervisor>
+    </template>
   </template>
 </dom-module>
 
@@ -121,7 +128,7 @@ Polymer({
 
   listeners: {
     'hassio-select-addon': 'addonSelected',
-    'hassio-show-store': 'showStore',
+    'hassio-show-page': 'showPage',
     'hass-api-called': 'apiCalled',
   },
 
@@ -167,8 +174,8 @@ Polymer({
     }
   },
 
-  showStore: function () {
-    this.currentPage = 'addon-store';
+  showPage: function (ev) {
+    this.currentPage = ev.detail.page;
   },
 
   dashboardSelected: function (currentPage) {
@@ -183,5 +190,9 @@ Polymer({
     return currentPage === 'addon-view';
   },
 
+  supervisorSelected: function (currentPage) {
+    return currentPage === 'supervisor';
+  },
+
 });
 </script>

panels/hassio/supervisor/hassio-supervisor.html

@@ -0,0 +1,87 @@
+<link rel="import" href="../../../bower_components/polymer/polymer.html">
+<link rel="import" href="../../../bower_components/app-layout/app-header-layout/app-header-layout.html">
+<link rel="import" href="../../../bower_components/app-layout/app-header/app-header.html">
+<link rel="import" href="../../../bower_components/app-layout/app-toolbar/app-toolbar.html">
+<link rel="import" href="../../../bower_components/paper-icon-button/paper-icon-button.html">
+
+<link rel="import" href="../../../src/components/ha-menu-button.html">
+
+<dom-module id="hassio-supervisor">
+  <template>
+    <style include="iron-flex ha-style">
+      .content {
+        padding: 16px;
+        margin: 0;
+        white-space: pre-wrap;
+      }
+    </style>
+    <app-header-layout has-scrolling-region>
+      <app-header fixed>
+        <app-toolbar>
+          <paper-icon-button
+            icon='mdi:arrow-left'
+            on-tap='backTapped'
+          ></paper-icon-button>
+          <div main-title>Supervisor Logs</div>
+          <paper-icon-button
+            icon="mdi:refresh"
+            on-tap="refreshTapped"
+          ></paper-icon-button>
+        </app-toolbar>
+      </app-header>
+
+      <pre class='content'>[[logs]]</pre>
+    </app-header-layout>
+  </template>
+</dom-module>
+
+<script>
+Polymer({
+  is: 'hassio-supervisor',
+
+  properties: {
+    hass: {
+      type: Object,
+    },
+
+    narrow: {
+      type: Boolean,
+    },
+
+    showMenu: {
+      type: Boolean,
+      value: false,
+    },
+
+    supervisorInfo: {
+      type: Object,
+    },
+
+    logs: {
+      type: String,
+      value: '',
+    },
+  },
+
+  attached: function () {
+    this.loadData();
+  },
+
+  loadData: function () {
+    this.hass.callApi('get', 'hassio/supervisor/logs')
+      .then(function (info) {
+        this.logs = info;
+      }.bind(this), function () {
+        this.logs = 'Error fetching logs';
+      }.bind(this));
+  },
+
+  refreshTapped: function () {
+    this.loadData();
+  },
+
+  backTapped: function () {
+    this.fire('hassio-select-addon', { addon: null });
+  },
+});
+</script>