FIX Use the first stable version to list pages in "all"

* Add version to Pages as they are built in the DocumentationManifest
* Add getter for version from request/URL
* Filter Pages in Documentation Index by the requested version

code/DocumentationManifest.php

@@ -432,12 +432,13 @@ class DocumentationManifest
         $link = $this->stripLinkBase($page->Link());
 
         $this->pages[$link] = array(
-            'title' => $page->getTitle(),
-            'basename' => $basename,
-            'filepath' => DocumentationHelper::normalizePath($path),
-            'type' => get_class($page),
+            'title'      => $page->getTitle(),
+            'version'    => $page->getVersion(),
+            'basename'   => $basename,
+            'filepath'   => DocumentationHelper::normalizePath($path),
+            'type'       => get_class($page),
             'entitypath' => $this->entity->getPath(),
-            'summary' => $page->getSummary()
+            'summary'    => $page->getSummary()
         );
     }
 

code/controllers/DocumentationViewer.php

@@ -251,7 +251,7 @@ class DocumentationViewer extends Controller implements PermissionProvider
         if (in_array($action, $allowed)) {
             //
             // if it's one of the allowed actions such as search or all then the
-            // URL must be prefixed with one of the allowed languages.
+            // URL must be prefixed with one of the allowed languages and versions
             //
             return parent::handleAction($request, $action);
         } else {
@@ -275,8 +275,8 @@ class DocumentationViewer extends Controller implements PermissionProvider
                 $type = get_class($this->record);
                 $body = $this->renderWith(
                     array(
-                    "DocumentationViewer_{$type}",
-                    "DocumentationViewer"
+                        "DocumentationViewer_{$type}",
+                        'DocumentationViewer'
                     )
                 );
 
@@ -288,8 +288,8 @@ class DocumentationViewer extends Controller implements PermissionProvider
             } elseif (!$url || $url == $lang) {
                 $body = $this->renderWith(
                     array(
-                    "DocumentationViewer_DocumentationFolder",
-                    "DocumentationViewer"
+                        'DocumentationViewer_DocumentationFolder',
+                        'DocumentationViewer'
                     )
                 );
 
@@ -572,15 +572,21 @@ class DocumentationViewer extends Controller implements PermissionProvider
      * Generate a list of all the pages in the documentation grouped by the
      * first letter of the page.
      *
+     * @param  string|int|null $version
      * @return GroupedList
      */
-    public function AllPages()
+    public function AllPages($version = null)
     {
         $pages = $this->getManifest()->getPages();
         $output = new ArrayList();
         $baseLink = $this->getDocumentationBaseHref();
 
         foreach ($pages as $url => $page) {
+            // Option to skip Pages that do not belong to the current version
+            if (!is_null($version) && (string) $page['version'] !== (string) $version) {
+                continue;
+            }
+
             $first = strtoupper(trim(substr($page['title'], 0, 1)));
 
             if ($first) {
@@ -599,6 +605,16 @@ class DocumentationViewer extends Controller implements PermissionProvider
         return GroupedList::create($output->sort('Title', 'ASC'));
     }
 
+    /**
+     * Return all Pages that apply to the current version (from the route)
+     *
+     * @return GroupedList
+     */
+    public function getAllVersionPages()
+    {
+        return $this->AllPages($this->getRequestedVersion());
+    }
+
     /**
      * Documentation Search Form. Allows filtering of the results by many entities
      * and multiple versions.
@@ -761,4 +777,24 @@ class DocumentationViewer extends Controller implements PermissionProvider
     {
         return $this->getManifest()->getHasDefaultEntity();
     }
+
+    /**
+     * Gets the requested version from the URL
+     *
+     * @return string
+     */
+    public function getRequestedVersion()
+    {
+        return (string) $this->request->param('Version');
+    }
+
+    /**
+     * Gets the link to the "documentation index" containing the currently requested version
+     *
+     * @return string
+     */
+    public function getDocumentationIndexLink()
+    {
+        return $this->Link($this->getRequestedVersion() . '/all');
+    }
 }

code/models/DocumentationPage.php

@@ -15,7 +15,9 @@ class DocumentationPage extends ViewableData
     /**
      * @var string
      */
-    protected $title, $summary, $introduction;
+    protected $title;
+    protected $summary;
+    protected $introduction;
 
     /**
      * @var DocumentationEntity

templates/Includes/DocumentationSidebar.ss

@@ -63,7 +63,7 @@
 
 	<div class="no-box">
 		<ul class="minor-nav">
-			<li><a href="{$Link(all)}">Documentation Index</a></li>
+			<li><a href="$DocumentationIndexLink">Documentation Index</a></li>
 		</ul>
 	</div>
 </div>

templates/Layout/DocumentationViewer_all.ss

@@ -1,13 +1,13 @@
 <div id="documentation_index" class="box">
 	<div id="page-numbers">
 		<span>
-			<% loop $AllPages.GroupedBy(FirstLetter) %>
+			<% loop $AllVersionPages.GroupedBy(FirstLetter) %>
 				<a href="#$FirstLetter">$FirstLetter</a>
 			<% end_loop %>
 		</span>
 	</div>
 
-	<% loop $AllPages.GroupedBy(FirstLetter) %>
+	<% loop $AllVersionPages.GroupedBy(FirstLetter) %>
 		<h2 id="$FirstLetter">$FirstLetter</h2>
 
 		<ul class="third semantic">
@@ -18,4 +18,4 @@
 			<% end_loop %>
 		</ul>
 	<% end_loop %>
-</div>
+</div>