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bug 2345 fixed: ability to update the rank of a photo for an existing

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category. I haven't modified pwg.images.setInfo, I've just added a new
method pwg.images.setRank which does this very specific job.


git-svn-id: http://piwigo.org/svn/branches/2.2@11371 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
plegall 2011-06-14 13:53:40 +00:00
parent 4d304c80e1
commit bbb43a2c25
2 changed files with 123 additions and 0 deletions
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112
include/ws_functions.inc.php
View file

@ -1016,6 +1016,118 @@ UPDATE '.IMAGES_TABLE.'
return $affected_rows;
}
function ws_images_setRank($params, &$service)
{
if (!is_admin())
{
return new PwgError(401, 'Access denied');
}
if (!$service->isPost())
{
return new PwgError(405, "This method requires HTTP POST");
}
// is the image_id valid?
$params['image_id'] = (int)$params['image_id'];
if ($params['image_id'] <= 0)
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id");
}
// is the category valid?
$params['category_id'] = (int)$params['category_id'];
if ($params['category_id'] <= 0)
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid category_id");
}
// is the rank valid?
$params['rank'] = (int)$params['rank'];
if ($params['rank'] <= 0)
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid rank");
}
// does the image really exist?
$query='
SELECT
*
FROM '.IMAGES_TABLE.'
WHERE id = '.$params['image_id'].'
;';
$image_row = pwg_db_fetch_assoc(pwg_query($query));
if ($image_row == null)
{
return new PwgError(404, "image_id not found");
}
// is the image associated to this category?
$query = '
SELECT
image_id,
category_id,
rank
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id = '.$params['image_id'].'
AND category_id = '.$params['category_id'].'
;';
$category_row = pwg_db_fetch_assoc(pwg_query($query));
if ($category_row == null)
{
return new PwgError(404, "This image is not associated to this category");
}
// what is the current higher rank for this category?
$query = '
SELECT
MAX(rank) AS max_rank
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id = '.$params['category_id'].'
;';
$result = pwg_query($query);
$row = pwg_db_fetch_assoc($result);
if (is_numeric($row['max_rank']))
{
if ($params['rank'] > $row['max_rank'])
{
$params['rank'] = $row['max_rank'] + 1;
}
}
else
{
$params['rank'] = 1;
}
// update rank for all other photos in the same category
$query = '
UPDATE '.IMAGE_CATEGORY_TABLE.'
SET rank = rank + 1
WHERE category_id = '.$params['category_id'].'
AND rank IS NOT NULL
AND rank >= '.$params['rank'].'
;';
pwg_query($query);
// set the new rank for the photo
$query = '
UPDATE '.IMAGE_CATEGORY_TABLE.'
SET rank = '.$params['rank'].'
WHERE image_id = '.$params['image_id'].'
AND category_id = '.$params['category_id'].'
;';
pwg_query($query);
// return data for client
return array(
'image_id' => $params['image_id'],
'category_id' => $params['category_id'],
'rank' => $params['rank'],
);
}
function ws_images_add_chunk($params, &$service)
{
global $conf;

11
ws.php
View file

@ -143,6 +143,17 @@ function ws_addDefaultMethods( $arr )
'sets the privacy levels for the images (POST method only)'
);
$service->addMethod(
'pwg.images.setRank',
'ws_images_setRank',
array(
'image_id' => array(),
'category_id' => array(),
'rank' => array(),
),
'sets the rank of a photo for a given album (POST method only, for admins)'
);
$service->addMethod('pwg.session.getStatus', 'ws_session_getStatus', null, '' );
$service->addMethod('pwg.session.login', 'ws_session_login',
array('username', 'password'),