Updated blog to support multiple revisions and automatic saving of drafts.

git-svn-id: http://code.elgg.org/elgg/trunk@5437 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 57 insertions, 21 deletions

diff --git a/mod/blog/blog_lib.php b/mod/blog/blog_lib.php
index 0fe1b80d4..993728dcc 100644
--- a/mod/blog/blog_lib.php
+++ b/mod/blog/blog_lib.php
@@ -16,54 +16,85 @@
  * @param int $guid of a blog entity.
  * @return string html
  */
-function blog_get_page_content_read($owner_guid, $guid) {
+function blog_get_page_content_read($owner_guid = NULL, $guid = NULL) {
+	$content = elgg_view('page_elements/content_header', array('context' => $context, 'type' => 'blog'));
+
 	if ($guid) {
 		$blog = get_entity($guid);
 
 		if (!elgg_instanceof($blog, 'object', 'blog') && $blog->status == 'final') {
-			$content = elgg_echo('blog:error:post_not_found');
+			$content .= elgg_echo('blog:error:post_not_found');
 		} else {
 			elgg_push_breadcrumb($blog->title, $blog->getURL());
-			$content = elgg_view_entity($blog, TRUE);
+			$content .= elgg_view_entity($blog, TRUE);
 		}
 	} else {
-		$content = elgg_list_entities_from_metadata(array(
+		$options = array(
 			'type' => 'object',
 			'subtype' => 'blog',
-			'owner_guid' => $owner_guid,
 			'full_view' => FALSE,
-			'metadata_name_value_pair' => array('name' => 'status', 'value' => 'final')
-		));
+			'order_by_metadata' => array('name'=>'publish_date', 'direction'=>'DESC', 'as'=>'int')
+		);
+
+		if ($owner_guid) {
+			$options['owner_guid'] = $owner_guid;
+		}
+
+		// show all posts for admin or users looking at their own blogs
+		// show only published posts for other users.
+		if (!(isadminloggedin() || (isloggedin() && $owner_guid == get_loggedin_userid()))) {
+			$options['metadata_name_value_pairs'] = array(
+				array('name' => 'status', 'value' => 'published'),
+				array('name' => 'publish_date', 'operand' => '<', 'value' => time())
+			);
+		}
+
+		$content .= elgg_list_entities_from_metadata($options);
 	}
 
-	return $content;
+	return array('content' => $content);
 }
 
 /**
  * Returns HTML to edit a blog post.
  *
  * @param int $guid
+ * @param int annotation id optional revision to edit
  * @return string html
  */
-function blog_get_page_content_edit($guid) {
+function blog_get_page_content_edit($guid, $revision = NULL) {
 	$vars = array();
 	if ($guid) {
-		$blog = get_entity($guid);
-		$vars['entity'] = $blog;
+		$blog = get_entity((int)$guid);
+
+		if (elgg_instanceof($blog, 'object', 'blog') && $blog->canEdit()) {
+			$vars['entity'] = $blog;
+
+			if ($revision) {
+				$revision = get_annotation((int)$revision);
+				$vars['revision'] = $revision;
+
+				if (!$revision || !($revision->entity_guid == $guid)) {
+					$content = elgg_echo('blog:error:revision_not_found');
+				}
+			}
+
+			elgg_push_breadcrumb($blog->title, $blog->getURL());
+			elgg_push_breadcrumb(elgg_echo('edit'));
 
-		if (!elgg_instanceof($blog, 'object', 'blog') || !$blog->canEdit()) {
+			$content = elgg_view('blog/forms/edit', $vars);
+			$sidebar = elgg_view('blog/sidebar_revisions', array('entity' => $blog));
+			//$sidebar .= elgg_view('blog/sidebar_related');
+		} else {
 			$content = elgg_echo('blog:error:post_not_found');
 		}
-
-		elgg_push_breadcrumb($blog->title, $blog->getURL());
-		elgg_push_breadcrumb(elgg_echo('edit'));
 	} else {
 		elgg_push_breadcrumb(elgg_echo('blog:new'));
+		$content = elgg_view('blog/forms/edit', $vars);
+		//$sidebar = elgg_view('blog/sidebar_related');
 	}
 
-	$content = elgg_view('blog/forms/edit', $vars);
-
-	return $content;
+	return array('content' => $content, 'sidebar' => $sidebar);
 }
 
 /**
@@ -175,7 +206,12 @@ function blog_save_blog($info) {
 	return $return;
 }
 
-
-class ElggBlog extends ElggObject {
-
+/**
+ * Returns an appropriate excerpt for a blog.
+ *
+ * @param string $text
+ * @return string
+ */
+function blog_make_excerpt($text) {
+	return substr(strip_tags($text), 0, 300);
 }
\ No newline at end of file