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- non picture files management

Browse Source 
- refactoring

- function delete_category and delete_element now runs with an array of ids
  in parameters instead of a single id.


git-svn-id: http://piwigo.org/svn/trunk@467 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
z0rglub
2004-08-05 17:35:43 +00:00
parent ed5aeef0e8
commit 74bc00f9f7
1 changed files with 128 additions and 87 deletions
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admin/include/functions.php
+128 -87
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@@ -63,23 +63,23 @@ function is_image( $filename, $create_thumbnail = false )
}
/**
* returns an array with all picture files according to $conf['picture_ext']
* returns an array with all picture files according to $conf['file_ext']
*
* @param string $dir
* @return array
*/
function get_picture_files( $dir )
function get_pwg_files($dir)
{
global $conf;
$pictures = array();
if ( $opendir = opendir( $dir ) )
if ($opendir = opendir($dir))
{
while ( $file = readdir( $opendir ) )
while ($file = readdir($opendir))
{
if ( in_array( get_extension( $file ), $conf['picture_ext'] ) )
if (in_array(get_extension($file), $conf['file_ext']))
{
array_push( $pictures, $file );
array_push($pictures, $file);
}
}
}
@@ -93,27 +93,52 @@ function get_picture_files( $dir )
* @param string $dir
* @return array
*/
function get_thumb_files( $dir )
function get_thumb_files($dir)
{
global $conf;
$prefix_length = strlen( $conf['prefix_thumbnail'] );
$prefix_length = strlen($conf['prefix_thumbnail']);
$thumbnails = array();
if ( $opendir = @opendir( $dir ) )
if ($opendir = @opendir($dir.'/thumbnail'))
{
while ( $file = readdir( $opendir ) )
while ($file = readdir($opendir))
{
if ( in_array( get_extension( $file ), $conf['picture_ext'] )
and substr($file,0,$prefix_length) == $conf['prefix_thumbnail'] )
if (in_array(get_extension($file), $conf['picture_ext'])
and substr($file, 0, $prefix_length) == $conf['prefix_thumbnail'])
{
array_push( $thumbnails, $file );
array_push($thumbnails, $file);
}
}
}
return $thumbnails;
}
/**
* returns an array with representative picture files of a directory
* according to $conf['picture_ext']
*
* @param string $dir
* @return array
*/
function get_representative_files($dir)
{
global $conf;
$pictures = array();
if ($opendir = @opendir($dir.'/representative'))
{
while ($file = readdir($opendir))
{
if (in_array(get_extension($file), $conf['picture_ext']))
{
array_push($pictures, $file);
}
}
}
return $pictures;
}
function TN_exists( $dir, $file )
{
global $conf;
@@ -130,116 +155,132 @@ function TN_exists( $dir, $file )
}
// The function delete_site deletes a site
// and call the function delete_category for each primary category of the site
// The function delete_site deletes a site and call the function
// delete_categories for each primary category of the site
function delete_site( $id )
{
// destruction of the categories of the site
$query = 'SELECT id';
$query.= ' FROM '.CATEGORIES_TABLE;
$query.= ' WHERE site_id = '.$id;
$query.= ';';
$result = mysql_query( $query );
while ( $row = mysql_fetch_array( $result ) )
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
WHERE site_id = '.$id.'
;';
$result = mysql_query($query);
$category_ids = array();
while ($row = mysql_fetch_array($result))
{
delete_category( $row['id'] );
array_push($category_ids, $row['id']);
}
delete_categories($category_ids);
// destruction of the site
$query = 'DELETE FROM '.PREFIX_TABLE.'sites';
$query.= ' WHERE id = '.$id;
$query.= ';';
mysql_query( $query );
$query = '
DELETE FROM '.SITES_TABLE.'
WHERE id = '.$id.'
;';
mysql_query($query);
}
// The function delete_category deletes the category identified by the $id
// It also deletes (in the database) :
// - all the images of the images (thanks to delete_image, see further)
// - all the links between images and this category
// The function delete_categories deletes the categories identified by the
// (numeric) key of the array $ids. It also deletes (in the database) :
// - all the elements of the category (delete_elements, see further)
// - all the links between elements and this category
// - all the restrictions linked to the category
// The function works recursively.
function delete_category( $id )
function delete_categories($ids)
{
// destruction of all the related images
$query = 'SELECT id';
$query.= ' FROM '.PREFIX_TABLE.'images';
$query.= ' WHERE storage_category_id = '.$id;
$query.= ';';
$result = mysql_query( $query );
while ( $row = mysql_fetch_array( $result ) )
// destruction of all the related elements
$query = '
SELECT id
FROM '.IMAGES_TABLE.'
WHERE storage_category_id IN ('.implode(',', $ids).')
;';
$result = mysql_query($query);
$element_ids = array();
while ($row = mysql_fetch_array($result))
{
delete_image( $row['id'] );
array_push($element_ids, $row['id']);
}
delete_elements($element_ids);
// destruction of the links between images and this category
$query = 'DELETE FROM '.PREFIX_TABLE.'image_category';
$query.= ' WHERE category_id = '.$id;
$query.= ';';
mysql_query( $query );
$query = '
DELETE FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id IN ('.implode(',', $ids).')
;';
mysql_query($query);
// destruction of the access linked to the category
$query = 'DELETE FROM '.PREFIX_TABLE.'user_access';
$query.= ' WHERE cat_id = '.$id;
$query.= ';';
mysql_query( $query );
$query = 'DELETE FROM '.PREFIX_TABLE.'group_access';
$query.= ' WHERE cat_id = '.$id;
$query.= ';';
mysql_query( $query );
$query = '
DELETE FROM '.USER_ACCESS_TABLE.'
WHERE cat_id IN ('.implode(',', $ids).')
;';
mysql_query($query);
$query = '
DELETE FROM '.GROUP_ACCESS_TABLE.'
WHERE cat_id IN ('.implode(',', $ids).')
;';
mysql_query($query);
// destruction of the sub-categories
$query = 'SELECT id';
$query.= ' FROM '.CATEGORIES_TABLE;
$query.= ' WHERE id_uppercat = '.$id;
$query.= ';';
$result = mysql_query( $query );
while( $row = mysql_fetch_array( $result ) )
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
WHERE id_uppercat IN ('.implode(',', $ids).')
;';
$result = mysql_query($query);
$subcat_ids = array();
while($row = mysql_fetch_array($result))
{
delete_category( $row['id'] );
array_push($subcat_ids, $row['id']);
}
delete_categories($subcat_ids);
// destruction of the category
$query = 'DELETE FROM '.CATEGORIES_TABLE;
$query.= ' WHERE id = '.$id;
$query.= ';';
mysql_query( $query );
$query = '
DELETE FROM '.CATEGORIES_TABLE.'
WHERE id IN ('.implode(',', $ids).')
;';
mysql_query($query);
}
// The function delete_image deletes the image identified by the $id
// It also deletes (in the database) :
// - all the comments related to the image
// - all the links between categories and this image
// - all the favorites associated to the image
function delete_image( $id )
// The function delete_elements deletes the elements identified by the
// (numeric) values of the array $ids. It also deletes (in the database) :
// - all the comments related to elements
// - all the links between categories and elements
// - all the favorites associated to elements
function delete_elements($ids)
{
global $count_deleted;
// destruction of the comments on the image
$query = 'DELETE FROM '.PREFIX_TABLE.'comments';
$query.= ' WHERE image_id = '.$id;
$query.= ';';
mysql_query( $query );
$query = '
DELETE FROM '.COMMENTS_TABLE.'
WHERE image_id IN ('.implode(',', $ids).')
;';
echo '<pre>'.$query.'</pre>';
mysql_query($query);
// destruction of the links between images and this category
$query = 'DELETE FROM '.PREFIX_TABLE.'image_category';
$query.= ' WHERE image_id = '.$id;
$query.= ';';
mysql_query( $query );
$query = '
DELETE FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id IN ('.implode(',', $ids).')
;';
mysql_query($query);
// destruction of the favorites associated with the picture
$query = 'DELETE FROM '.PREFIX_TABLE.'favorites';
$query.= ' WHERE image_id = '.$id;
$query.= ';';
mysql_query( $query );
$query = '
DELETE FROM '.FAVORITES_TABLE.'
WHERE image_id IN ('.implode(',', $ids).')
;';
mysql_query($query);
// destruction of the image
$query = 'DELETE FROM '.PREFIX_TABLE.'images';
$query.= ' WHERE id = '.$id;
$query.= ';';
mysql_query( $query );
$count_deleted++;
$query = '
DELETE FROM '.IMAGES_TABLE.'
WHERE id IN ('.implode(',', $ids).')
;';
mysql_query($query);
}
// The delete_user function delete a user identified by the $user_id