4 files changed, 31 insertions, 43 deletions

diff --git a/application/FeedBuilder.php b/application/FeedBuilder.php
index 4036a7cc..bfdf2fd3 100644
--- a/application/FeedBuilder.php
+++ b/application/FeedBuilder.php
@@ -143,7 +143,7 @@ class FeedBuilder
      */
     protected function buildItem($link, $pageaddr)
     {
-        $link['guid'] = $pageaddr .'?'. smallHash($link['linkdate']);
+        $link['guid'] = $pageaddr .'?'. smallHash($link['created']->format('Ymd_His'));
         // Check for both signs of a note: starting with ? and 7 chars long.
         if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
             $link['url'] = $pageaddr . $link['url'];
@@ -156,12 +156,12 @@ class FeedBuilder
         $link['description']  = format_description($link['description'], '', $pageaddr);
         $link['description'] .= PHP_EOL .'<br>&#8212; '. $permalink;
 
-        $pubDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
+        $pubDate = $link['created'];
         $link['pub_iso_date'] = $this->getIsoDate($pubDate);
 
         // atom:entry elements MUST contain exactly one atom:updated element.
         if (!empty($link['updated'])) {
-            $upDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['updated']);
+            $upDate = $link['updated'];
             $link['up_iso_date'] = $this->getIsoDate($upDate, DateTime::ATOM);
         } else {
             $link['up_iso_date'] = $this->getIsoDate($pubDate, DateTime::ATOM);;
diff --git a/application/LinkFilter.php b/application/LinkFilter.php
index d4fe28df..7bab46ba 100644
--- a/application/LinkFilter.php
+++ b/application/LinkFilter.php
@@ -33,12 +33,12 @@ class LinkFilter
     public static $HASHTAG_CHARS = '\p{Pc}\p{N}\p{L}\p{Mn}';
 
     /**
-     * @var array all available links.
+     * @var LinkDB all available links.
      */
     private $links;
 
     /**
-     * @param array $links initialization.
+     * @param LinkDB $links initialization.
      */
     public function __construct($links)
     {
@@ -94,18 +94,16 @@ class LinkFilter
     private function noFilter($privateonly = false)
     {
         if (! $privateonly) {
-            krsort($this->links);
             return $this->links;
         }
 
         $out = array();
-        foreach ($this->links as $value) {
+        foreach ($this->links as $key => $value) {
             if ($value['private']) {
-                $out[$value['linkdate']] = $value;
+                $out[$key] = $value;
             }
         }
 
-        krsort($out);
         return $out;
     }
 
@@ -121,10 +119,10 @@ class LinkFilter
     private function filterSmallHash($smallHash)
     {
         $filtered = array();
-        foreach ($this->links as $l) {
-            if ($smallHash == smallHash($l['linkdate'])) {
+        foreach ($this->links as $key => $l) {
+            if ($smallHash == smallHash($l['created']->format('Ymd_His'))) {
                 // Yes, this is ugly and slow
-                $filtered[$l['linkdate']] = $l;
+                $filtered[$key] = $l;
                 return $filtered;
             }
         }
@@ -188,7 +186,7 @@ class LinkFilter
         $keys = array('title', 'description', 'url', 'tags');
 
         // Iterate over every stored link.
-        foreach ($this->links as $link) {
+        foreach ($this->links as $id => $link) {
 
             // ignore non private links when 'privatonly' is on.
             if (! $link['private'] && $privateonly === true) {
@@ -222,11 +220,10 @@ class LinkFilter
             }
 
             if ($found) {
-                $filtered[$link['linkdate']] = $link;
+                $filtered[$id] = $link;
             }
         }
 
-        krsort($filtered);
         return $filtered;
     }
 
@@ -256,7 +253,7 @@ class LinkFilter
             return $filtered;
         }
 
-        foreach ($this->links as $link) {
+        foreach ($this->links as $key => $link) {
             // ignore non private links when 'privatonly' is on.
             if (! $link['private'] && $privateonly === true) {
                 continue;
@@ -278,10 +275,9 @@ class LinkFilter
             }
 
             if ($found) {
-                $filtered[$link['linkdate']] = $link;
+                $filtered[$key] = $link;
             }
         }
-        krsort($filtered);
         return $filtered;
     }
 
@@ -304,13 +300,14 @@ class LinkFilter
         }
 
         $filtered = array();
-        foreach ($this->links as $l) {
-            if (startsWith($l['linkdate'], $day)) {
-                $filtered[$l['linkdate']] = $l;
+        foreach ($this->links as $key => $l) {
+            if ($l['created']->format('Ymd') == $day) {
+                $filtered[$key] = $l;
             }
         }
-        ksort($filtered);
-        return $filtered;
+
+        // sort by date ASC
+        return array_reverse($filtered, true);
     }
 
     /**
diff --git a/application/NetscapeBookmarkUtils.php b/application/NetscapeBookmarkUtils.php
index dd21f05b..8a939adb 100644
--- a/application/NetscapeBookmarkUtils.php
+++ b/application/NetscapeBookmarkUtils.php
@@ -38,7 +38,7 @@ class NetscapeBookmarkUtils
             if ($link['private'] == 0 && $selection == 'private') {
                 continue;
             }
-            $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
+            $date = $link['created'];
             $link['timestamp'] = $date->getTimestamp();
             $link['taglist'] = str_replace(' ', ',', $link['tags']);
 
@@ -147,7 +147,6 @@ class NetscapeBookmarkUtils
                 'url' => $bkm['uri'],
                 'description' => $bkm['note'],
                 'private' => $private,
-                'linkdate'=> '',
                 'tags' => $bkm['tags']
             );
 
@@ -161,25 +160,21 @@ class NetscapeBookmarkUtils
                 }
 
                 // Overwrite an existing link, keep its date
-                $newLink['linkdate'] = $existingLink['linkdate'];
-                $linkDb[$existingLink['linkdate']] = $newLink;
+                $newLink['id'] = $existingLink['id'];
+                $newLink['created'] = $existingLink['created'];
+                $newLink['updated'] = new DateTime();
+                $linkDb[$existingLink['id']] = $newLink;
                 $importCount++;
                 $overwriteCount++;
                 continue;
             }
 
-            // Add a new link
+            // Add a new link - @ used for UNIX timestamps
             $newLinkDate = new DateTime('@'.strval($bkm['time']));
-            while (!empty($linkDb[$newLinkDate->format(LinkDB::LINK_DATE_FORMAT)])) {
-                // Ensure the date/time is not already used
-                // - this hack is necessary as the date/time acts as a primary key
-                // - apply 1 second increments until an unused index is found
-                // See https://github.com/shaarli/Shaarli/issues/351
-                $newLinkDate->add(new DateInterval('PT1S'));
-            }
-            $linkDbDate = $newLinkDate->format(LinkDB::LINK_DATE_FORMAT);
-            $newLink['linkdate'] = $linkDbDate;
-            $linkDb[$linkDbDate] = $newLink;
+            $newLinkDate->setTimezone(new DateTimeZone(date_default_timezone_get()));
+            $newLink['created'] = $newLinkDate;
+            $newLink['id'] = $linkDb->getNextId();
+            $linkDb[$newLink['id']] = $newLink;
             $importCount++;
         }
 
diff --git a/application/Updater.php b/application/Updater.php
index 94b63990..16c8c376 100644
--- a/application/Updater.php
+++ b/application/Updater.php
@@ -218,7 +218,7 @@ class Updater
 
     /**
      * Update the database to use the new ID system, which replaces linkdate primary keys.
-     * Also, creation and update dates are now DateTime objects.
+     * Also, creation and update dates are now DateTime objects (done by LinkDB).
      *
      * Since this update is very sensitve (changing the whole database), the datastore will be
      * automatically backed up into the file datastore.<datetime>.php.
@@ -243,10 +243,6 @@ class Updater
         $links = array_reverse($links);
         $cpt = 0;
         foreach ($links as $l) {
-            $l['created'] = DateTime::createFromFormat('Ymd_His', $l['linkdate']);
-            if (! empty($l['updated'])) {
-                $l['updated'] = DateTime::createFromFormat('Ymd_His', $l['updated']);
-            }
             unset($l['linkdate']);
             $l['id'] = $cpt;
             $this->linkDB[$cpt++] = $l;