Wiki page list is fetched and the page widget is updated

Zotlabs/Module/Wiki.php

@@ -92,8 +92,6 @@ class Wiki extends \Zotlabs\Web\Controller {
 	function post() {
 		require_once('include/wiki.php');
 		
-		// TODO: Implement wiki API
-		
 		// Render mardown-formatted text in HTML
 		if((argc() > 2) && (argv(2) === 'preview')) {
 			$content = $_POST['content'];
@@ -212,8 +210,22 @@ class Wiki extends \Zotlabs\Web\Controller {
 			}
 		}		
 		
-		notice('You must be authenticated.');
-		goaway('/wiki');
+		// Fetch page list for a wiki
+		if ((argc() === 5) && (argv(2) === 'get') && (argv(3) === 'page') && (argv(4) === 'list')) {
+			$resource_id = $_POST['resource_id']; // resource_id for wiki in db
+			$channel = get_channel_by_nick(argv(1));
+			$observer_hash = get_observer_hash();
+			$perms = wiki_get_permissions($resource_id, intval($channel['channel_id']), $observer_hash);
+			if(!$perms['read']) {
+				logger('Wiki read permission denied.' . EOL);
+				json_return_and_die(array('pages' => null, 'message' => 'Permission denied.', 'success' => false));					
+			}
+			$page_list_html = widget_wiki_pages(array('resource_id' => $resource_id));
+			json_return_and_die(array('pages' => $page_list_html, 'message' => '', 'success' => true));					
+		}
+		
+		//notice('You must be authenticated.');
+		json_return_and_die(array('message' => 'You must be authenticated.', 'success' => false));
 		
 	}
 }

include/widgets.php

@@ -877,14 +877,21 @@ function widget_wiki_list($arr) {
 function widget_wiki_pages($arr) {
 
 	require_once("include/wiki.php");
-	$r = wiki_pages(App::$profile['channel_hash']);
 
-	if($r) {
-		return replace_macros(get_markup_template('wiki_page_list.tpl'), array(
-			'$header' => t('Wiki Pages'),
-			'$pages' => $r['pages']
-		));
+	$pages = array();
+	if (!array_key_exists('resource_id', $arr)) {
+		$hide = true;
+	} else {
+		$p = wiki_page_list($arr['resource_id']);
+		if ($p['pages']) {
+			$pages = $p['pages'];
+		}
 	}
+	return replace_macros(get_markup_template('wiki_page_list.tpl'), array(
+			'$hide' => $hide,
+			'$header' => t('Wiki Pages'),
+			'$pages' => $pages
+	));
 }
 
 function widget_bookmarkedchats($arr) {

include/wiki.php

@@ -20,9 +20,20 @@ function wiki_list($nick, $observer_hash) {
 	return array('wikis' => $wikis);
 }
 
-function wiki_pages() {
-	// TODO: scan wiki folder for pages
-	return array('pages' => array('page1.md', 'page2.md'));
+function wiki_page_list($resource_id) {
+	// TODO: Create item table records for pages so that metadata like title can be applied
+	$w = wiki_get_wiki($resource_id);
+	if (!$w['path']) {
+		return array('pages' => null);
+	}
+	$pages = array();
+	if (is_dir($w['path']) === true) {
+		$files = array_diff(scandir($w['path']), array('.', '..', '.git'));
+		// TODO: Check that the files are all text files
+		$pages = $files;
+	}
+
+	return array('pages' => $pages);
 }
 
 function wiki_init_wiki($channel, $name) {
@@ -125,6 +136,25 @@ function wiki_delete_wiki($resource_id) {
     }
 }
 
+function wiki_get_wiki($resource_id) {
+	$item = q("SELECT * FROM item WHERE resource_type = '%s' AND resource_id = '%s' AND item_deleted = 0 limit 1", 
+						dbesc(WIKI_ITEM_RESOURCE_TYPE), 
+						dbesc($resource_id)
+	);
+	if (!$item) {
+		return array('wiki' => null, 'path' => null);
+	} else {
+		$w = $item[0];
+		$object = json_decode($w['object'], true);
+		if (!realpath(__DIR__ . '/../' . $object['path'])) {
+			return array('wiki' => null, 'path' => null);
+		}
+		// Path to wiki exists
+		$abs_path = realpath(__DIR__ . '/../' . $object['path']);
+		return array('wiki' => $w, 'path' => $abs_path);
+	}
+}
+
 function wiki_exists_by_name($uid, $name) {
 		$item = q("SELECT id,resource_id FROM item WHERE resource_type = '%s' AND title = '%s' AND uid = '%s' AND item_deleted = 0 limit 1",
             dbesc(WIKI_ITEM_RESOURCE_TYPE),
@@ -147,7 +177,7 @@ function wiki_get_permissions($resource_id, $owner_id, $observer_hash) {
         dbesc($resource_id)
     );
 	if(!$r) {
-		return array('read' => false, 'write' => false, 'success' => false);
+		return array('read' => false, 'write' => false, 'success' => true);
 	} else {
 		return array('read' => true, 'write' => false, 'success' => true);
 	}

view/tpl/wiki.tpl

@@ -78,6 +78,7 @@
 <script>
   window.wiki_resource_id = '{{$resource_id}}';
   $(document).ready(function () {
+    wiki_refresh_page_list();
     // Show Edit tab first. Otherwise the Ace editor does not load.
     $("#wiki-nav-tabs li:eq(0) a").tab('show');
   });
@@ -131,4 +132,20 @@ function wiki_delete_wiki(wikiName, resource_id) {
       }, 'json');
     ev.preventDefault();
   });
+  
+  function wiki_refresh_page_list() {
+    if (window.wiki_resource_id === '') {
+      return false;
+    }
+  $.post("wiki/{{$channel}}/get/page/list/", {resource_id: window.wiki_resource_id}, function (data) {
+      if (data.success) {
+        $('#wiki_page_list').html(data.pages);
+        $('#wiki_page_list').show();
+      } else {
+        alert('Error fetching page list!');
+        window.console.log('Error fetching page list!');
+      }
+    }, 'json');
+    return false;
+  }
 </script>

view/tpl/wiki_page_list.tpl

@@ -1,4 +1,4 @@
-<div id="wiki_page_list" class="widget">
+<div id="wiki_page_list" class="widget" {{if $hide}} style="display: none;" {{/if}}>
 	<h3>{{$header}}</h3>
 	<ul class="nav nav-pills nav-stacked">
 		{{foreach $pages as $page}}