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piwigo_ynh/sources/include/ws_functions/pwg.categories.php
Jimmy Monin 11fd179d6d update to piwigo 2.8.2
2016-09-05 13:40:09 +02:00

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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2016 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | This program is distributed in the hope that it will be useful, but |
// | WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
/**
* API method
* Returns images per category
* @param mixed[] $params
* @option int[] cat_id (optional)
* @option bool recursive
* @option int per_page
* @option int page
* @option string order (optional)
*/
function ws_categories_getImages($params, &$service)
{
global $user, $conf;
$images = array();
//------------------------------------------------- get the related categories
$where_clauses = array();
foreach ($params['cat_id'] as $cat_id)
{
if ($params['recursive'])
{
$where_clauses[] = 'uppercats '.DB_REGEX_OPERATOR.' \'(^|,)'.$cat_id.'(,|$)\'';
}
else
{
$where_clauses[] = 'id='.$cat_id;
}
}
if (!empty($where_clauses))
{
$where_clauses = array('('. implode("\n OR ", $where_clauses) . ')');
}
$where_clauses[] = get_sql_condition_FandF(
array('forbidden_categories' => 'id'),
null, true
);
$query = '
SELECT id, name, permalink, image_order
FROM '. CATEGORIES_TABLE .'
WHERE '. implode("\n AND ", $where_clauses) .'
;';
$result = pwg_query($query);
$cats = array();
while ($row = pwg_db_fetch_assoc($result))
{
$row['id'] = (int)$row['id'];
$cats[ $row['id'] ] = $row;
}
//-------------------------------------------------------- get the images
if (!empty($cats))
{
$where_clauses = ws_std_image_sql_filter($params, 'i.');
$where_clauses[] = 'category_id IN ('. implode(',', array_keys($cats)) .')';
$where_clauses[] = get_sql_condition_FandF(
array('visible_images' => 'i.id'),
null, true
);
$order_by = ws_std_image_sql_order($params, 'i.');
if ( empty($order_by)
and count($params['cat_id'])==1
and isset($cats[ $params['cat_id'][0] ]['image_order'])
)
{
$order_by = $cats[ $params['cat_id'][0] ]['image_order'];
}
$order_by = empty($order_by) ? $conf['order_by'] : 'ORDER BY '.$order_by;
$query = '
SELECT i.*, GROUP_CONCAT(category_id) AS cat_ids
FROM '. IMAGES_TABLE .' i
INNER JOIN '. IMAGE_CATEGORY_TABLE .' ON i.id=image_id
WHERE '. implode("\n AND ", $where_clauses) .'
GROUP BY i.id
'. $order_by .'
LIMIT '. $params['per_page'] .'
OFFSET '. ($params['per_page']*$params['page']) .'
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$image = array();
foreach (array('id', 'width', 'height', 'hit') as $k)
{
if (isset($row[$k]))
{
$image[$k] = (int)$row[$k];
}
}
foreach (array('file', 'name', 'comment', 'date_creation', 'date_available') as $k)
{
$image[$k] = $row[$k];
}
$image = array_merge($image, ws_std_get_urls($row));
$image_cats = array();
foreach (explode(',', $row['cat_ids']) as $cat_id)
{
$url = make_index_url(
array(
'category' => $cats[$cat_id],
)
);
$page_url = make_picture_url(
array(
'category' => $cats[$cat_id],
'image_id' => $row['id'],
'image_file' => $row['file'],
)
);
$image_cats[] = array(
'id' => (int)$cat_id,
'url' => $url,
'page_url' => $page_url,
);
}
$image['categories'] = new PwgNamedArray(
$image_cats,
'category',
array('id', 'url', 'page_url')
);
$images[] = $image;
}
}
return array(
'paging' => new PwgNamedStruct(
array(
'page' => $params['page'],
'per_page' => $params['per_page'],
'count' => count($images)
)
),
'images' => new PwgNamedArray(
$images, 'image',
ws_std_get_image_xml_attributes()
)
);
}
/**
* API method
* Returns a list of categories
* @param mixed[] $params
* @option int cat_id (optional)
* @option bool recursive
* @option bool public
* @option bool tree_output
* @option bool fullname
*/
function ws_categories_getList($params, &$service)
{
global $user, $conf;
if (!in_array($params['thumbnail_size'], array_keys(ImageStdParams::get_defined_type_map())))
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid thumbnail_size");
}
$where = array('1=1');
$join_type = 'INNER';
$join_user = $user['id'];
if (!$params['recursive'])
{
if ($params['cat_id']>0)
{
$where[] = '(
id_uppercat = '. (int)($params['cat_id']) .'
OR id='.(int)($params['cat_id']).'
)';
}
else
{
$where[] = 'id_uppercat IS NULL';
}
}
else if ($params['cat_id']>0)
{
$where[] = 'uppercats '. DB_REGEX_OPERATOR .' \'(^|,)'.
(int)($params['cat_id']) .'(,|$)\'';
}
if ($params['public'])
{
$where[] = 'status = "public"';
$where[] = 'visible = "true"';
$join_user = $conf['guest_id'];
}
else if (is_admin())
{
// in this very specific case, we don't want to hide empty
// categories. Function calculate_permissions will only return
// categories that are either locked or private and not permitted
//
// calculate_permissions does not consider empty categories as forbidden
$forbidden_categories = calculate_permissions($user['id'], $user['status']);
$where[]= 'id NOT IN ('.$forbidden_categories.')';
$join_type = 'LEFT';
}
$query = '
SELECT
id, name, comment, permalink, status,
uppercats, global_rank, id_uppercat,
nb_images, count_images AS total_nb_images,
representative_picture_id, user_representative_picture_id, count_images, count_categories,
date_last, max_date_last, count_categories AS nb_categories
FROM '. CATEGORIES_TABLE .'
'.$join_type.' JOIN '. USER_CACHE_CATEGORIES_TABLE .'
ON id=cat_id AND user_id='.$join_user.'
WHERE '. implode("\n AND ", $where) .'
;';
$result = pwg_query($query);
// management of the album thumbnail -- starts here
$image_ids = array();
$categories = array();
$user_representative_updates_for = array();
// management of the album thumbnail -- stops here
$cats = array();
while ($row = pwg_db_fetch_assoc($result))
{
$row['url'] = make_index_url(
array(
'category' => $row
)
);
foreach (array('id','nb_images','total_nb_images','nb_categories') as $key)
{
$row[$key] = (int)$row[$key];
}
if ($params['fullname'])
{
$row['name'] = strip_tags(get_cat_display_name_cache($row['uppercats'], null));
}
else
{
$row['name'] = strip_tags(
trigger_change(
'render_category_name',
$row['name'],
'ws_categories_getList'
)
);
}
$row['comment'] = strip_tags(
trigger_change(
'render_category_description',
$row['comment'],
'ws_categories_getList'
)
);
// management of the album thumbnail -- starts here
//
// on branch 2.3, the algorithm is duplicated from
// include/category_cats, but we should use a common code for Piwigo 2.4
//
// warning : if the API method is called with $params['public'], the
// album thumbnail may be not accurate. The thumbnail can be viewed by
// the connected user, but maybe not by the guest. Changing the
// filtering method would be too complicated for now. We will simply
// avoid to persist the user_representative_picture_id in the database
// if $params['public']
if (!empty($row['user_representative_picture_id']))
{
$image_id = $row['user_representative_picture_id'];
}
else if (!empty($row['representative_picture_id']))
{ // if a representative picture is set, it has priority
$image_id = $row['representative_picture_id'];
}
else if ($conf['allow_random_representative'])
{
// searching a random representant among elements in sub-categories
$image_id = get_random_image_in_category($row);
}
else
{ // searching a random representant among representant of sub-categories
if ($row['count_categories']>0 and $row['count_images']>0)
{
$query = '
SELECT representative_picture_id
FROM '. CATEGORIES_TABLE .'
INNER JOIN '. USER_CACHE_CATEGORIES_TABLE .'
ON id=cat_id AND user_id='.$user['id'].'
WHERE uppercats LIKE \''.$row['uppercats'].',%\'
AND representative_picture_id IS NOT NULL
'.get_sql_condition_FandF(
array('visible_categories' => 'id'),
"\n AND"
).'
ORDER BY '. DB_RANDOM_FUNCTION .'()
LIMIT 1
;';
$subresult = pwg_query($query);
if (pwg_db_num_rows($subresult) > 0)
{
list($image_id) = pwg_db_fetch_row($subresult);
}
}
}
if (isset($image_id))
{
if ($conf['representative_cache_on_subcats'] and $row['user_representative_picture_id'] != $image_id)
{
$user_representative_updates_for[ $row['id'] ] = $image_id;
}
$row['representative_picture_id'] = $image_id;
$image_ids[] = $image_id;
$categories[] = $row;
}
unset($image_id);
// management of the album thumbnail -- stops here
$cats[] = $row;
}
usort($cats, 'global_rank_compare');
// management of the album thumbnail -- starts here
if (count($categories) > 0)
{
$thumbnail_src_of = array();
$new_image_ids = array();
$query = '
SELECT id, path, representative_ext, level
FROM '. IMAGES_TABLE .'
WHERE id IN ('. implode(',', $image_ids) .')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
if ($row['level'] <= $user['level'])
{
$thumbnail_src_of[$row['id']] = DerivativeImage::url($params['thumbnail_size'], $row);
}
else
{
// problem: we must not display the thumbnail of a photo which has a
// higher privacy level than user privacy level
//
// * what is the represented category?
// * find a random photo matching user permissions
// * register it at user_representative_picture_id
// * set it as the representative_picture_id for the category
foreach ($categories as &$category)
{
if ($row['id'] == $category['representative_picture_id'])
{
// searching a random representant among elements in sub-categories
$image_id = get_random_image_in_category($category);
if (isset($image_id) and !in_array($image_id, $image_ids))
{
$new_image_ids[] = $image_id;
}
if ($conf['representative_cache_on_level'])
{
$user_representative_updates_for[ $category['id'] ] = $image_id;
}
$category['representative_picture_id'] = $image_id;
}
}
unset($category);
}
}
if (count($new_image_ids) > 0)
{
$query = '
SELECT id, path, representative_ext
FROM '. IMAGES_TABLE .'
WHERE id IN ('. implode(',', $new_image_ids) .')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$thumbnail_src_of[ $row['id'] ] = DerivativeImage::url($params['thumbnail_size'], $row);
}
}
}
// compared to code in include/category_cats, we only persist the new
// user_representative if we have used $user['id'] and not the guest id,
// or else the real guest may see thumbnail that he should not
if (!$params['public'] and count($user_representative_updates_for))
{
$updates = array();
foreach ($user_representative_updates_for as $cat_id => $image_id)
{
$updates[] = array(
'user_id' => $user['id'],
'cat_id' => $cat_id,
'user_representative_picture_id' => $image_id,
);
}
mass_updates(
USER_CACHE_CATEGORIES_TABLE,
array(
'primary' => array('user_id', 'cat_id'),
'update' => array('user_representative_picture_id')
),
$updates
);
}
foreach ($cats as &$cat)
{
foreach ($categories as $category)
{
if ($category['id'] == $cat['id'] and isset($category['representative_picture_id']))
{
$cat['tn_url'] = $thumbnail_src_of[$category['representative_picture_id']];
}
}
// we don't want them in the output
unset($cat['user_representative_picture_id'], $cat['count_images'], $cat['count_categories']);
}
unset($cat);
// management of the album thumbnail -- stops here
if ($params['tree_output'])
{
return categories_flatlist_to_tree($cats);
}
return array(
'categories' => new PwgNamedArray(
$cats,
'category',
ws_std_get_category_xml_attributes()
)
);
}
/**
* API method
* Returns the list of categories as you can see them in administration
* @param mixed[] $params
*
* Only admin can run this method and permissions are not taken into
* account.
*/
function ws_categories_getAdminList($params, &$service)
{
$query = '
SELECT category_id, COUNT(*) AS counter
FROM '. IMAGE_CATEGORY_TABLE .'
GROUP BY category_id
;';
$nb_images_of = query2array($query, 'category_id', 'counter');
$query = '
SELECT id, name, comment, uppercats, global_rank, dir, status
FROM '. CATEGORIES_TABLE .'
;';
$result = pwg_query($query);
$cats = array();
while ($row = pwg_db_fetch_assoc($result))
{
$id = $row['id'];
$row['nb_images'] = isset($nb_images_of[$id]) ? $nb_images_of[$id] : 0;
$row['name'] = strip_tags(
trigger_change(
'render_category_name',
$row['name'],
'ws_categories_getAdminList'
)
);
$row['fullname'] = strip_tags(
get_cat_display_name_cache(
$row['uppercats'],
null
)
);
$row['comment'] = strip_tags(
trigger_change(
'render_category_description',
$row['comment'],
'ws_categories_getAdminList'
)
);
$cats[] = $row;
}
usort($cats, 'global_rank_compare');
return array(
'categories' => new PwgNamedArray(
$cats,
'category',
array('id', 'nb_images', 'name', 'uppercats', 'global_rank', 'status')
)
);
}
/**
* API method
* Adds a category
* @param mixed[] $params
* @option string name
* @option int parent (optional)
* @option string comment (optional)
* @option bool visible
* @option string status (optional)
* @option bool commentable
*/
function ws_categories_add($params, &$service)
{
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
$options = array();
if (!empty($params['status']) and in_array($params['status'], array('private','public')))
{
$options['status'] = $params['status'];
}
if (!empty($params['comment']))
{
$options['comment'] = $params['comment'];
}
$creation_output = create_virtual_category(
$params['name'],
$params['parent'],
$options
);
if (isset($creation_output['error']))
{
return new PwgError(500, $creation_output['error']);
}
invalidate_user_cache();
return $creation_output;
}
/**
* API method
* Sets details of a category
* @param mixed[] $params
* @option int cat_id
* @option string name (optional)
* @option string comment (optional)
*/
function ws_categories_setInfo($params, &$service)
{
// does the category really exist?
$query = '
SELECT *
FROM '.CATEGORIES_TABLE.'
WHERE id = '.$params['category_id'].'
;';
$categories = query2array($query);
if (count($categories) == 0)
{
return new PwgError(404, 'category_id not found');
}
$category = $categories[0];
if (!empty($params['status']))
{
if (!in_array($params['status'], array('private','public')))
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid status, only public/private");
}
if ($params['status'] != $category['status'])
{
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
set_cat_status(array($params['category_id']), $params['status']);
}
}
$update = array(
'id' => $params['category_id'],
);
$info_columns = array('name', 'comment',);
$perform_update = false;
foreach ($info_columns as $key)
{
if (isset($params[$key]))
{
$perform_update = true;
$update[$key] = $params[$key];
}
}
if ($perform_update)
{
single_update(
CATEGORIES_TABLE,
$update,
array('id' => $update['id'])
);
}
}
/**
* API method
* Sets representative image of a category
* @param mixed[] $params
* @option int category_id
* @option int image_id
*/
function ws_categories_setRepresentative($params, &$service)
{
// does the category really exist?
$query = '
SELECT COUNT(*)
FROM '. CATEGORIES_TABLE .'
WHERE id = '. $params['category_id'] .'
;';
list($count) = pwg_db_fetch_row(pwg_query($query));
if ($count == 0)
{
return new PwgError(404, 'category_id not found');
}
// does the image really exist?
$query = '
SELECT COUNT(*)
FROM '. IMAGES_TABLE .'
WHERE id = '. $params['image_id'] .'
;';
list($count) = pwg_db_fetch_row(pwg_query($query));
if ($count == 0)
{
return new PwgError(404, 'image_id not found');
}
// apply change
$query = '
UPDATE '. CATEGORIES_TABLE .'
SET representative_picture_id = '. $params['image_id'] .'
WHERE id = '. $params['category_id'] .'
;';
pwg_query($query);
$query = '
UPDATE '. USER_CACHE_CATEGORIES_TABLE .'
SET user_representative_picture_id = NULL
WHERE cat_id = '. $params['category_id'] .'
;';
pwg_query($query);
}
/**
* API method
*
* Deletes the album thumbnail. Only possible if
* $conf['allow_random_representative']
*
* @param mixed[] $params
* @option int category_id
*/
function ws_categories_deleteRepresentative($params, &$service)
{
global $conf;
// does the category really exist?
$query = '
SELECT id
FROM '. CATEGORIES_TABLE .'
WHERE id = '. $params['category_id'] .'
;';
$result = pwg_query($query);
if (pwg_db_num_rows($result) == 0)
{
return new PwgError(404, 'category_id not found');
}
if (!$conf['allow_random_representative'])
{
return new PwgError(401, 'not permitted');
}
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET representative_picture_id = NULL
WHERE id = '.$params['category_id'].'
;';
pwg_query($query);
}
/**
* API method
*
* Find a new album thumbnail.
*
* @param mixed[] $params
* @option int category_id
*/
function ws_categories_refreshRepresentative($params, &$service)
{
global $conf;
// does the category really exist?
$query = '
SELECT id
FROM '. CATEGORIES_TABLE .'
WHERE id = '. $params['category_id'] .'
;';
$result = pwg_query($query);
if (pwg_db_num_rows($result) == 0)
{
return new PwgError(404, 'category_id not found');
}
$query = '
SELECT
DISTINCT category_id
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id = '.$params['category_id'].'
LIMIT 1
;';
$result = pwg_query($query);
$has_images = pwg_db_num_rows($result) > 0 ? true : false;
if (!$has_images)
{
return new PwgError(401, 'not permitted');
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
set_random_representant(array($params['category_id']));
// return url of the new representative
$query = '
SELECT *
FROM '.CATEGORIES_TABLE.'
WHERE id = '.$params['category_id'].'
;';
$category = pwg_db_fetch_assoc(pwg_query($query));
return get_category_representant_properties($category['representative_picture_id']);
}
/**
* API method
* Deletes a category
* @param mixed[] $params
* @option string|int[] category_id
* @option string photo_deletion_mode
* @option string pwg_token
*/
function ws_categories_delete($params, &$service)
{
if (get_pwg_token() != $params['pwg_token'])
{
return new PwgError(403, 'Invalid security token');
}
$modes = array('no_delete', 'delete_orphans', 'force_delete');
if (!in_array($params['photo_deletion_mode'], $modes))
{
return new PwgError(500,
'[ws_categories_delete]'
.' invalid parameter photo_deletion_mode "'.$params['photo_deletion_mode'].'"'
.', possible values are {'.implode(', ', $modes).'}.'
);
}
if (!is_array($params['category_id']))
{
$params['category_id'] = preg_split(
'/[\s,;\|]/',
$params['category_id'],
-1,
PREG_SPLIT_NO_EMPTY
);
}
$params['category_id'] = array_map('intval', $params['category_id']);
$category_ids = array();
foreach ($params['category_id'] as $category_id)
{
if ($category_id > 0)
{
$category_ids[] = $category_id;
}
}
if (count($category_ids) == 0)
{
return;
}
$query = '
SELECT id
FROM '. CATEGORIES_TABLE .'
WHERE id IN ('. implode(',', $category_ids) .')
;';
$category_ids = array_from_query($query, 'id');
if (count($category_ids) == 0)
{
return;
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
delete_categories($category_ids, $params['photo_deletion_mode']);
update_global_rank();
}
/**
* API method
* Moves a category
* @param mixed[] $params
* @option string|int[] category_id
* @option int parent
* @option string pwg_token
*/
function ws_categories_move($params, &$service)
{
global $page;
if (get_pwg_token() != $params['pwg_token'])
{
return new PwgError(403, 'Invalid security token');
}
if (!is_array($params['category_id']))
{
$params['category_id'] = preg_split(
'/[\s,;\|]/',
$params['category_id'],
-1,
PREG_SPLIT_NO_EMPTY
);
}
$params['category_id'] = array_map('intval', $params['category_id']);
$category_ids = array();
foreach ($params['category_id'] as $category_id)
{
if ($category_id > 0)
{
$category_ids[] = $category_id;
}
}
if (count($category_ids) == 0)
{
return new PwgError(403, 'Invalid category_id input parameter, no category to move');
}
// we can't move physical categories
$categories_in_db = array();
$query = '
SELECT id, name, dir
FROM '. CATEGORIES_TABLE .'
WHERE id IN ('. implode(',', $category_ids) .')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$categories_in_db[ $row['id'] ] = $row;
// we break on error at first physical category detected
if (!empty($row['dir']))
{
$row['name'] = strip_tags(
trigger_change(
'render_category_name',
$row['name'],
'ws_categories_move'
)
);
return new PwgError(403,
sprintf(
'Category %s (%u) is not a virtual category, you cannot move it',
$row['name'],
$row['id']
)
);
}
}
if (count($categories_in_db) != count($category_ids))
{
$unknown_category_ids = array_diff($category_ids, array_keys($categories_in_db));
return new PwgError(403,
sprintf(
'Category %u does not exist',
$unknown_category_ids[0]
)
);
}
// does this parent exists? This check should be made in the
// move_categories function, not here
// 0 as parent means "move categories at gallery root"
if (0 != $params['parent'])
{
$subcat_ids = get_subcat_ids(array($params['parent']));
if (count($subcat_ids) == 0)
{
return new PwgError(403, 'Unknown parent category id');
}
}
$page['infos'] = array();
$page['errors'] = array();
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
move_categories($category_ids, $params['parent']);
invalidate_user_cache();
if (count($page['errors']) != 0)
{
return new PwgError(403, implode('; ', $page['errors']));
}
}
?>
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