Add Next/Previous Links for Blog display

1 files changed, 84 insertions, 5 deletions

diff --git a/lookup_post_inc.php b/lookup_post_inc.php
index 5e20677..5c2f7f0 100644
--- a/lookup_post_inc.php
+++ b/lookup_post_inc.php
@@ -6,12 +6,91 @@
 
 	global $gContent, $gBitSmarty;
 
-// 	if( empty( $gContent ) || !is_object( $gContent ) || !$gContent->isValid() ) {
-		$postId = @BitBase::verifyId( $_REQUEST['post_id'] ) ? $_REQUEST['post_id'] : NULL;
-		$conId = @BitBase::verifyId( $_REQUEST['content_id'] ) ? $_REQUEST['content_id'] : NULL;
+	if( empty( $gContent ) || !is_object( $gContent ) || !$gContent->isValid() ) {
+		$postId = !empty( $_REQUEST['post_id'] ) ? $_REQUEST['post_id'] : NULL;
+		$conId = !empty( $_REQUEST['content_id'] ) ? $_REQUEST['content_id'] : NULL;
 		$gContent = new BitBlogPost( $postId, $conId );
 		$gContent->load();
 		$comments_return_url = $_SERVER['PHP_SELF']."?post_id=$postId";
-		$gBitSmarty->assign( 'gContent', $gContent );
-// 	}
+		$gBitSmarty->assign_by_ref( 'gContent', $gContent );
+	}
+
+global $gContent_previous;
+
+if (!empty( $gContent) && !empty( $gContent->mInfo['blog_id'] ) ) {
+	# get previos post if it exists
+	$blog_id = $gContent->mInfo['blog_id'];
+	$max_records = 1;
+	$sort_mode = 'post_id_desc';
+	$post_id = $gContent->mInfo['post_id'];
+	$listHash = array();    
+	$listHash['blog_id'] = $blog_id;
+	$listHash['max_records'] = $max_records;
+	$listHash['sort_mode'] = $sort_mode;
+	$listHash['parse_data'] = TRUE;
+	$listHash['load_comments'] = FALSE;
+	$listHash['page'] = (!empty($_REQUEST['page']) ? $_REQUEST['page'] : 1);
+	$listHash['offset'] = (!empty($_REQUEST['offset']) ? $_REQUEST['offset'] : 0);
+	$listHash['offset'] = 0;
+	$listHash['post_id_lt'] = $post_id;
+
+
+	$gContent_previous = new BitBlogPost();
+	$blogPosts = $gContent_previous->getList( $listHash );
+
+#	echo "blogPosts=" . serialize($blogPosts);
+	
+	$blogposts_data = $blogPosts['data'];
+	$gContent_previous = NULL;
+	if (count($blogposts_data) > 0) {
+		$blogpost = $blogposts_data[0];
+		
+	#	echo "blogPosts=" . serialize($blogPosts) . "\n\n<p>\n\n";
+		$gContent_previous = new BitBlogPost($blogpost['post_id'],$blogpost['content_id']);
+		$gContent_previous->load();
+
+	#	echo "gContent_previous=" . serialize($gContent_previous);
+#		echo "Previous title=" . $blogpost['title'];
+		}
+
+	$gBitSmarty->assign_by_ref( 'gContent_previous', $gContent_previous );
+
+
+	# get next post if it exists
+	$blog_id = $gContent->mInfo['blog_id'];
+	$max_records = 1;
+	$sort_mode = 'post_id_asc';
+	$post_id = $gContent->mInfo['post_id'];
+	$listHash = array();    
+	$listHash['blog_id'] = $blog_id;
+	$listHash['max_records'] = $max_records;
+	$listHash['sort_mode'] = $sort_mode;
+	$listHash['parse_data'] = TRUE;
+	$listHash['load_comments'] = FALSE;
+	$listHash['page'] = (!empty($_REQUEST['page']) ? $_REQUEST['page'] : 1);
+	$listHash['offset'] = (!empty($_REQUEST['offset']) ? $_REQUEST['offset'] : 0);
+	$listHash['offset'] = 0;
+	$listHash['post_id_gt'] = $post_id;
+
+
+	$gContent_next = new BitBlogPost();
+	$blogPosts = $gContent_next->getList( $listHash );
+#	echo "blogPosts=" . serialize($blogPosts);
+	
+	$blogposts_data = $blogPosts['data'];
+	$gContent_next = NULL;
+	if (count($blogposts_data) > 0) {
+		$blogpost = $blogposts_data[0];
+		
+	#	echo "blogPosts=" . serialize($blogPosts) . "\n\n<p>\n\n";
+		$gContent_next = new BitBlogPost($blogpost['post_id'],$blogpost['content_id']);
+		$gContent_next->load();
+
+	#	echo "gContent_next=" . serialize($gContent_next);
+#		echo "Next title=" . $blogpost['title'];
+		}
+
+	$gBitSmarty->assign_by_ref( 'gContent_next', $gContent_next );
+	}
+
 ?>