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authorplegall <plg@piwigo.org>2012-09-18 11:45:51 +0000
committerplegall <plg@piwigo.org>2012-09-18 11:45:51 +0000
commit081566eb83c8be9924612afb1cda6e4a55bf4cb0 (patch)
tree51f8ef4a04582353ce2e49ead3f48e13a8fb836d /admin
parentdc70afc4ac1caf7c30a95ec1ddf2259863c2fe2f (diff)
merge r17424 from trunk to branch 2.4
bug 2716: modifying a photo reset it's rank modify associate_images_to_categories() and move_images_to_categories() to preserve ranks please test before 2.4.4 ! :-D git-svn-id: http://piwigo.org/svn/branches/2.4@17981 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to '')
-rw-r--r--admin/include/functions.php66
1 files changed, 45 insertions, 21 deletions
diff --git a/admin/include/functions.php b/admin/include/functions.php
index 3d17e2a0a..ea62a0bbb 100644
--- a/admin/include/functions.php
+++ b/admin/include/functions.php
@@ -1488,7 +1488,7 @@ DELETE
/**
* Associate a list of images to a list of categories.
*
- * The function will not duplicate links
+ * The function will not duplicate links and will preserve ranks
*
* @param array images
* @param array categories
@@ -1501,15 +1501,25 @@ function associate_images_to_categories($images, $categories)
{
return false;
}
-
+
+ // get existing associations
$query = '
-DELETE
+SELECT
+ image_id,
+ category_id
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id IN ('.implode(',', $images).')
AND category_id IN ('.implode(',', $categories).')
;';
- pwg_query($query);
+ $result = pwg_query($query);
+
+ $existing = array();
+ while ($row = pwg_db_fetch_assoc($result))
+ {
+ $existing[ $row['category_id'] ][] = $row['image_id'];
+ }
+ // get max rank of each categories
$query = '
SELECT
category_id,
@@ -1526,6 +1536,7 @@ SELECT
'max_rank'
);
+ // associate only not already associated images
$inserts = array();
foreach ($categories as $category_id)
{
@@ -1533,35 +1544,47 @@ SELECT
{
$current_rank_of[$category_id] = 0;
}
+ if (!isset($existing[$category_id]))
+ {
+ $existing[$category_id] = array();
+ }
foreach ($images as $image_id)
{
- $rank = ++$current_rank_of[$category_id];
+ if (!in_array($image_id, $existing[$category_id]))
+ {
+ $rank = ++$current_rank_of[$category_id];
- array_push(
- $inserts,
- array(
- 'image_id' => $image_id,
- 'category_id' => $category_id,
- 'rank' => $rank,
- )
- );
+ array_push(
+ $inserts,
+ array(
+ 'image_id' => $image_id,
+ 'category_id' => $category_id,
+ 'rank' => $rank,
+ )
+ );
+ }
}
}
- mass_inserts(
- IMAGE_CATEGORY_TABLE,
- array_keys($inserts[0]),
- $inserts
- );
+ if (count($inserts))
+ {
+ mass_inserts(
+ IMAGE_CATEGORY_TABLE,
+ array_keys($inserts[0]),
+ $inserts
+ );
- update_category($categories);
+ update_category($categories);
+ }
}
/**
- * Disssociate images from all categories except their storage category and
+ * Dissociate images from all old categories except their storage category and
* associate to new categories.
*
+ * This function will preserve ranks
+ *
* @param array images
* @param array categories
* @return void
@@ -1573,12 +1596,13 @@ function move_images_to_categories($images, $categories)
return false;
}
- // let's first break links with all albums but their "storage album"
+ // let's first break links with all old albums but their "storage album"
$query = '
DELETE '.IMAGE_CATEGORY_TABLE.'.*
FROM '.IMAGE_CATEGORY_TABLE.'
JOIN '.IMAGES_TABLE.' ON image_id=id
WHERE id IN ('.implode(',', $images).')
+ '.((is_array($categories) and count($categories)>0) ? 'AND category_id NOT IN ('.implode(',', $categories).')' : null).'
AND (storage_category_id IS NULL OR storage_category_id != category_id)
;';
pwg_query($query);