rewrite post update mechanism

diff --git a/functions.php b/functions.php
index 78bc8979e4044899d9bfb435efd190f777b55b79..3bd11df6a611fb4486b8e9e3911edb95c9bc64c2 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -314,11 +314,21 @@
 
                                // now it should exist, if not - bad luck then
 
-                               $result = db_query($link, "SELECT id FROM ttrss_entries WHERE 
-                                       guid = '$entry_guid'");
+                               $result = db_query($link, "SELECT 
+                                               id,content_hash,no_orig_date,title,
+                                               substring(updated,1,19) as updated
+                                       FROM 
+                                               ttrss_entries 
+                                       WHERE guid = '$entry_guid'");
 
                                if (db_num_rows($result) == 1) {
 
+                                               // this will be used below in update handler
+                                               $orig_content_hash = db_fetch_result($result, 0, "content_hash");
+//                                             $orig_timestamp = strtotime(db_fetch_result($result, 0, "updated"));
+//                                             $orig_no_orig_date = db_fetch_result($result, 0, "no_orig_date");
+                                               $orig_title = db_fetch_result($result, 0, "title");
+
                                                $ref_id = db_fetch_result($result, 0, "id");
 
                                                // check for user post link to main table
@@ -342,6 +352,42 @@
                                                                        (ref_id, owner_uid, feed_id) 
                                                                VALUES ('$ref_id', '$owner_uid', '$feed')");
                                                }
+
+                                       $post_needs_update = false;
+
+                                       if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE") &&
+                                               ($content_hash != $orig_content_hash)) {
+                                               $post_needs_update = true;
+                                       }
+
+                                       if ($orig_title != $entry_title) {
+                                               $post_needs_update = true;
+                                       }
+
+//                                     this doesn't seem to be very reliable
+//
+//                                     if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
+//                                             $post_needs_update = true;
+//                                     }
+
+                                       // if post needs update, update it and mark all user entries 
+                                       // linking to this post as updated
+                                       
+                                       if ($post_needs_update) {
+
+//                                             print "<!-- post $orig_title needs update : $post_needs_update -->";
+
+                                               $entry_content = db_escape_string($entry_content);
+                                               $entry_title = db_escape_string($entry_title);
+
+                                               db_query($link, "UPDATE ttrss_entries 
+                                                       SET title = '$entry_title', content = '$entry_content'
+                                                       WHERE id = '$ref_id'");
+
+                                               db_query($link, "UPDATE ttrss_user_entries 
+                                                       SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
+
+                                       }
                                }
 
 /*                             $result = db_query($link, "