Rename page feature added. Fixed bug in git commit function and other minor fixes.

3 files changed, 136 insertions, 14 deletions

diff --git a/Zotlabs/Module/Wiki.php b/Zotlabs/Module/Wiki.php
index f1f7b87b2..9e7d151b5 100644
--- a/Zotlabs/Module/Wiki.php
+++ b/Zotlabs/Module/Wiki.php
@@ -72,7 +72,8 @@ class Wiki extends \Zotlabs\Web\Controller {
 		switch (argc()) {
 			case 2:
 				// Configure page template
-				$wikiheader = t('Wiki Sandbox');
+				$wikiheaderName = t('Wiki');
+				$wikiheaderPage = t('Sandbox');
 				$content = '"# Wiki Sandbox\n\nContent you **edit** and **preview** here *will not be saved*."';
 				$hide_editor = false;
 				$showPageControls = false;
@@ -113,7 +114,8 @@ class Wiki extends \Zotlabs\Web\Controller {
 				} else {
 					$wiki_editor = true;
 				}
-				$wikiheader = urldecode($wikiUrlName) . ': ' . urldecode($pageUrlName);	// show wiki name and page			
+				$wikiheaderName = urldecode($wikiUrlName);
+				$wikiheaderPage = urldecode($pageUrlName);
 				$p = wiki_get_page_content(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName));
 				if(!$p['success']) {
 					notice('Error retrieving page content' . EOL);
@@ -135,7 +137,8 @@ class Wiki extends \Zotlabs\Web\Controller {
 		require_once('library/markdown.php');	
 		
 		$o .= replace_macros(get_markup_template('wiki.tpl'),array(
-			'$wikiheader' => $wikiheader,
+			'$wikiheaderName' => $wikiheaderName,
+			'$wikiheaderPage' => $wikiheaderPage,
 			'$hideEditor' => $hide_editor,
 			'$showPageControls' => $showPageControls,
 			'$showNewWikiButton'=> $showNewWikiButton,
@@ -152,6 +155,7 @@ class Wiki extends \Zotlabs\Web\Controller {
 			'$renderedContent' => Markdown(json_decode($content)),
 			'$wikiName' => array('wikiName', t('Enter the name of your new wiki:'), '', ''),
 			'$pageName' => array('pageName', t('Enter the name of the new page:'), '', ''),
+			'$pageRename' => array('pageRename', t('Enter the new name:'), '', ''),
 			'$commitMsg' => array('commitMsg', '', '', '', '', 'placeholder="(optional) Enter a custom message when saving the page..."'),
 			'$pageHistory' => $pageHistory['history']
 		));
@@ -377,7 +381,7 @@ class Wiki extends \Zotlabs\Web\Controller {
 			if($deleted['success']) {
 				$ob = \App::get_observer();
 				$commit = wiki_git_commit(array(
-						'commit_msg' => 'Deleted ' . $pageHtmlName, 
+						'commit_msg' => 'Deleted ' . $pageUrlName, 
 						'resource_id' => $resource_id, 
 						'observer' => $ob,
 						'files' => null
@@ -416,6 +420,48 @@ class Wiki extends \Zotlabs\Web\Controller {
 			}
 		}
 		
+		// Rename a page
+		if ((argc() === 4) && (argv(2) === 'rename') && (argv(3) === 'page')) {
+			$resource_id = $_POST['resource_id']; 
+			$pageUrlName = $_POST['oldName'];
+			$pageNewName = $_POST['newName'];
+			if ($pageUrlName === 'Home') {
+				json_return_and_die(array('message' => 'Cannot rename Home','success' => false));
+			}
+			if(urlencode(escape_tags($pageNewName)) === '') {				
+				json_return_and_die(array('message' => 'Error renaming page. Invalid name.', 'success' => false));
+			}
+			// Determine if observer has permission to rename pages
+			$nick = argv(1);
+			$channel = get_channel_by_nick($nick);			
+			if (local_channel() !== intval($channel['channel_id'])) {
+				$observer_hash = get_observer_hash();
+				$perms = wiki_get_permissions($resource_id, intval($channel['channel_id']), $observer_hash);
+				if(!$perms['write']) {
+					logger('Wiki write permission denied. ' . EOL);
+					json_return_and_die(array('success' => false));					
+				}
+			}
+			$renamed = wiki_rename_page(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName, 'pageNewName' => $pageNewName));
+			logger('$renamed: ' . json_encode($renamed));
+			if($renamed['success']) {
+				$ob = \App::get_observer();
+				$commit = wiki_git_commit(array(
+						'commit_msg' => 'Renamed ' . urldecode($pageUrlName) . ' to ' . $renamed['page']['htmlName'], 
+						'resource_id' => $resource_id, 
+						'observer' => $ob,
+						'files' => array($pageUrlName . '.md', $renamed['page']['fileName']),
+						'all' => true
+						));
+				if($commit['success']) {
+					json_return_and_die(array('name' => $renamed['page'], 'message' => 'Wiki git repo commit made', 'success' => true));
+				} else {
+					json_return_and_die(array('message' => 'Error making git commit','success' => false));					
+				}
+			} else {
+				json_return_and_die(array('message' => 'Error renaming page', 'success' => false));					
+			}
+		}
 
 		//notice('You must be authenticated.');
 		json_return_and_die(array('message' => 'You must be authenticated.', 'success' => false));
diff --git a/include/wiki.php b/include/wiki.php
index 4aa3fc1b4..d60f4a3a7 100644
--- a/include/wiki.php
+++ b/include/wiki.php
@@ -231,6 +231,34 @@ function wiki_create_page($name, $resource_id) {
 	
 }
 
+function wiki_rename_page($arr) {
+	$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
+	$pageNewName = ((array_key_exists('pageNewName',$arr)) ? $arr['pageNewName'] : '');
+	$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
+	$w = wiki_get_wiki($resource_id);
+	if (!$w['path']) {
+		return array('message' => 'Wiki not found.', 'success' => false);
+	}
+	$page_path_old = $w['path'].'/'.$pageUrlName.'.md';
+	logger('$page_path_old: ' . $page_path_old);
+	if (!is_readable($page_path_old) === true) {
+		return array('message' => 'Cannot read wiki page: ' . $page_path_old, 'success' => false);
+	}
+	$page = array('rawName' => $pageNewName, 'htmlName' => escape_tags($pageNewName), 'urlName' => urlencode(escape_tags($pageNewName)), 'fileName' => urlencode(escape_tags($pageNewName)).'.md');
+	$page_path_new = $w['path'] . '/' . $page['fileName'] ;
+	logger('$page_path_new: ' . $page_path_new);
+	if (is_file($page_path_new)) {
+		return array('message' => 'Page already exists.', 'success' => false);
+	}
+	// Rename the page file in the wiki repo
+	if(!rename($page_path_old, $page_path_new)) {
+		return array('message' => 'Error renaming page file.', 'success' => false);
+	} else {
+		return array('page' => $page, 'message' => '', 'success' => true);
+	}
+	
+}
+
 function wiki_get_page_content($arr) {
 	$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
 	$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
@@ -342,7 +370,7 @@ function wiki_revert_page($arr) {
 				}
 			}
 		} catch (\PHPGit\Exception\GitException $e) {
-			json_return_and_die(array('content' => $content, 'message' => 'GitRepo error thrown', 'success' => false));
+			return array('content' => $content, 'message' => 'GitRepo error thrown', 'success' => false);
 		}
 		return array('content' => $content, 'message' => '', 'success' => true);
 	} else {
@@ -352,9 +380,18 @@ function wiki_revert_page($arr) {
 
 function wiki_git_commit($arr) {
 	$files = ((array_key_exists('files', $arr)) ? $arr['files'] : null);
+	$all = ((array_key_exists('all', $arr)) ? $arr['all'] : false);
 	$commit_msg = ((array_key_exists('commit_msg', $arr)) ? $arr['commit_msg'] : 'Repo updated');
-	$resource_id = ((array_key_exists('resource_id', $arr)) ? $arr['resource_id'] : json_return_and_die(array('message' => 'Wiki resource_id required for git commit', 'success' => false)));
-	$observer = ((array_key_exists('observer', $arr)) ? $arr['observer'] : json_return_and_die(array('message' => 'Observer required for git commit', 'success' => false)));
+	if(array_key_exists('resource_id', $arr)) {
+		$resource_id = $arr['resource_id'];
+	} else {
+		return array('message' => 'Wiki resource_id required for git commit', 'success' => false);
+	}
+	if(array_key_exists('observer', $arr)) {
+		$observer = $arr['observer'];
+	} else {
+		return array('message' => 'Observer required for git commit', 'success' => false);
+	}	
 	$w = wiki_get_wiki($resource_id);
 	if (!$w['path']) {
 		return array('message' => 'Error reading wiki', 'success' => false);
@@ -369,23 +406,23 @@ function wiki_git_commit($arr) {
 		if ($files === null) {
 			$options = array('all' => true); // git commit option to include all changes
 		} else {
-			$options = array(); // git commit options
+			$options = array('all' => $all); // git commit options\
 			foreach ($files as $file) {
 				if (!$git->git->add($file)) {	// add specified files to the git repo stage
 					if (!$git->git->reset->hard()) {
-						json_return_and_die(array('message' => 'Error adding file to git stage: ' . $file . '. Error resetting git repo.', 'success' => false));
+						return array('message' => 'Error adding file to git stage: ' . $file . '. Error resetting git repo.', 'success' => false);
 					}
-					json_return_and_die(array('message' => 'Error adding file to git stage: ' . $file, 'success' => false));
+					return array('message' => 'Error adding file to git stage: ' . $file, 'success' => false);
 				}
 			}
 		}
 		if ($git->commit($commit_msg, $options)) {
-			json_return_and_die(array('message' => 'Wiki repo commit succeeded', 'success' => true));
+			return array('message' => 'Wiki repo commit succeeded', 'success' => true);
 		} else {
-			json_return_and_die(array('message' => 'Wiki repo commit failed', 'success' => false));
+			return array('message' => 'Wiki repo commit failed', 'success' => false);
 		}
 	} catch (\PHPGit\Exception\GitException $e) {
-		json_return_and_die(array('message' => 'GitRepo error thrown', 'success' => false));
+		return array('message' => 'GitRepo error thrown', 'success' => false);
 	}
 }
 
diff --git a/view/tpl/wiki.tpl b/view/tpl/wiki.tpl
index 1312f8518..dc78aad9f 100644
--- a/view/tpl/wiki.tpl
+++ b/view/tpl/wiki.tpl
@@ -25,7 +25,7 @@
       <button id="inline-btn" type="button" class="btn btn-default btn-xs" onclick="makeFullScreen(false);
           adjustInlineTopBarHeight();"><i class="fa fa-compress"></i></button>
     </div>
-    <h2>{{$wikiheader}}</h2>
+    <h2><span id="wiki-header-name">{{$wikiheaderName}}</span>: <span id="wiki-header-page">{{$wikiheaderPage}}</span></h2>
     <div class="clear"></div>
   </div>
 	<div id="new-wiki-form-wrapper" class="section-content-tools-wrapper" style="display:none;">
@@ -57,6 +57,17 @@
       <hr>
     </div>
   
+    <div id="rename-page-form-wrapper" class="section-content-tools-wrapper" style="display:none;">
+      <form id="rename-page-form" action="wiki/rename/page" method="post" >
+        <div class="clear"></div>
+        {{include file="field_input.tpl" field=$pageRename}}
+        <div class="btn-group pull-right">
+            <button id="rename-page-submit" class="btn btn-warning" type="submit" name="submit" >Rename Page</button>
+        </div>
+      </form>        <div class="clear"></div>
+      <hr>
+    </div>
+
   <div id="wiki-content-container" class="section-content-wrapper" {{if $hideEditor}}style="display: none;"{{/if}}>
     <ul class="nav nav-tabs" id="wiki-nav-tabs">
       <li><a data-toggle="tab" href="#edit-pane">Edit</a></li>
@@ -67,6 +78,7 @@
         <a data-toggle="dropdown" class="dropdown-toggle" href="#">Page <b class="caret"></b></a>
         <ul class="dropdown-menu">
           <li><a id="save-page" data-toggle="tab" href="#">Save</a></li>
+          <li><a id="rename-page" data-toggle="tab" href="#">Rename</a></li>
           <li><a id="delete-page" data-toggle="tab" href="#">Delete</a></li>
         </ul>
       </li>
@@ -115,7 +127,34 @@
   
   if (window.wiki_page_name === 'Home') {
     $('#delete-page').hide();
+    $('#rename-page').hide();
   }
+  
+  $('#rename-page').click(function (ev) {
+    $('#rename-page-form-wrapper').show();
+  });
+  
+  $( "#rename-page-form" ).submit(function( event ) {
+    $.post("wiki/{{$channel}}/rename/page", 
+      {
+        oldName: window.wiki_page_name, 
+        newName: $('#id_pageRename').val(), 
+        resource_id: window.wiki_resource_id
+      }, 
+      function (data) {
+      if (data.success) {
+        $('#rename-page-form-wrapper').hide();
+        window.console.log('data: ' + JSON.stringify(data));
+        window.wiki_page_name = data.name.urlName;
+        $('#wiki-header-page').html(data.name.htmlName);
+        wiki_refresh_page_list();
+      } else {
+        window.console.log('Error renaming page.');
+      }
+      }, 'json');    
+    event.preventDefault();
+  });
+  
   $(document).ready(function () {
     wiki_refresh_page_list();
     // Show Edit tab first. Otherwise the Ace editor does not load.