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authorrvelices <rv-github@modusoptimus.com>2008-04-20 22:20:20 +0000
committerrvelices <rv-github@modusoptimus.com>2008-04-20 22:20:20 +0000
commit23fcaf6b6493c8d479a30201ea9fff3e5cffe4ff (patch)
treea0ce56162f8d37d244953b0f1e2cc74865cb04b3 /admin/include/functions.php
parent57b03a7218475f365e8838bab029bc8a6de94a48 (diff)
- merged function ordering() with update_global_rank() and also optimized the queries
git-svn-id: http://piwigo.org/svn/trunk@2306 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'admin/include/functions.php')
-rw-r--r--admin/include/functions.php117
1 files changed, 41 insertions, 76 deletions
diff --git a/admin/include/functions.php b/admin/include/functions.php
index 63e173619..c6f72c5f4 100644
--- a/admin/include/functions.php
+++ b/admin/include/functions.php
@@ -665,69 +665,72 @@ function mass_updates($tablename, $dbfields, $datas)
}
/**
- * updates the global_rank of categories under the given id_uppercat
- *
- * @param int id_uppercat
+ * order categories (update categories.rank and global_rank database fields)
+ * so that rank field are consecutive integers starting at 1 for each child
* @return void
*/
-function update_global_rank($id_uppercat = 'all')
+function update_global_rank()
{
$query = '
-SELECT id,rank
+SELECT id, if(id_uppercat is null,\'\',id_uppercat) AS id_uppercat, uppercats, rank, global_rank
FROM '.CATEGORIES_TABLE.'
+ ORDER BY id_uppercat,rank,name
;';
- $result = pwg_query($query);
- $ranks_array = array();
- while ($row = mysql_fetch_array($result))
- {
- $ranks_array[$row['id']] = $row['rank'];
- }
- // which categories to update ?
- $uppercats_array = array();
+ $cat_map = array();
+
+ $current_rank = 0;
+ $current_uppercat = '';
- $query = '
-SELECT id,uppercats
- FROM '.CATEGORIES_TABLE;
- if (is_numeric($id_uppercat))
- {
- $query.= '
- WHERE uppercats REGEXP \'(^|,)'.$id_uppercat.'(,|$)\'
- AND id != '.$id_uppercat.'
-';
- }
- $query.= '
-;';
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
- $uppercats_array[$row['id']] = $row['uppercats'];
+ if ($row['id_uppercat'] != $current_uppercat)
+ {
+ $current_rank = 0;
+ $current_uppercat = $row['id_uppercat'];
+ }
+ ++$current_rank;
+ $cat =
+ array(
+ 'rank' => $current_rank,
+ 'rank_changed' =>$current_rank!=$row['rank'],
+ 'global_rank' => $row['global_rank'],
+ 'uppercats' => $row['uppercats'],
+ );
+ $cat_map[ $row['id'] ] = $cat;
}
$datas = array();
- foreach ($uppercats_array as $id => $uppercats)
+
+ foreach( $cat_map as $id=>$cat )
{
- array_push(
- $datas,
- array(
- 'id' => $id,
- 'global_rank' => preg_replace(
+ $new_global_rank = preg_replace(
'/(\d+)/e',
- "\$ranks_array['$1']",
- str_replace(',', '.', $uppercats)
- ),
- )
- );
+ "\$cat_map['$1']['rank']",
+ str_replace(',', '.', $cat['uppercats'] )
+ );
+ if ( $cat['rank_changed']
+ or $new_global_rank!=$cat['global_rank']
+ )
+ {
+ $datas[] = array(
+ 'id' => $id,
+ 'rank' => $cat['rank'],
+ 'global_rank' => $new_global_rank,
+ );
+ }
}
mass_updates(
CATEGORIES_TABLE,
array(
'primary' => array('id'),
- 'update' => array('global_rank')
+ 'update' => array('rank', 'global_rank')
),
$datas
);
+ return count($datas);
}
/**
@@ -876,43 +879,6 @@ SELECT image_id
}
/**
- * order categories (update categories.rank and global_rank database fields)
- *
- * the purpose of this function is to give a rank for all categories
- * (insides its sub-category), even the newer that have none at te
- * beginning. For this, ordering function selects all categories ordered by
- * rank ASC then name ASC for each uppercat.
- *
- * @returns void
- */
-function ordering()
-{
- $current_rank = 0;
- $current_uppercat = '';
-
- $query = '
-SELECT id, if(id_uppercat is null,\'\',id_uppercat) AS id_uppercat
- FROM '.CATEGORIES_TABLE.'
- ORDER BY id_uppercat,rank,name
-;';
- $result = pwg_query($query);
- $datas = array();
- while ($row = mysql_fetch_array($result))
- {
- if ($row['id_uppercat'] != $current_uppercat)
- {
- $current_rank = 0;
- $current_uppercat = $row['id_uppercat'];
- }
- $data = array('id' => $row['id'], 'rank' => ++$current_rank);
- array_push($datas, $data);
- }
-
- $fields = array('primary' => array('id'), 'update' => array('rank'));
- mass_updates(CATEGORIES_TABLE, $fields, $datas);
-}
-
-/**
* returns the fulldir for each given category id
*
* @param array cat_ids
@@ -1352,7 +1318,6 @@ UPDATE '.CATEGORIES_TABLE.'
pwg_query($query);
update_uppercats();
- ordering();
update_global_rank();
// status and related permissions management