From 28f4a33bcb2d97f777ae439f0ddeaa9da581deb7 Mon Sep 17 00:00:00 2001 From: mistic100 Date: Thu, 16 Jan 2014 15:24:36 +0000 Subject: feature 2999: documentation of admin/include/functions.php git-svn-id: http://piwigo.org/svn/trunk@26807 68402e56-0260-453c-a942-63ccdbb3a9ee --- admin/include/functions.php | 447 ++++++++++++++++++++++++++------------------ 1 file changed, 260 insertions(+), 187 deletions(-) diff --git a/admin/include/functions.php b/admin/include/functions.php index ba6cdf40d..71c164822 100644 --- a/admin/include/functions.php +++ b/admin/include/functions.php @@ -21,11 +21,19 @@ // | USA. | // +-----------------------------------------------------------------------+ -include(PHPWG_ROOT_PATH.'admin/include/functions_metadata.php'); +/** + * @package functions\admin\___ + */ + +include_once(PHPWG_ROOT_PATH.'admin/include/functions_metadata.php'); + -// The function delete_site deletes a site and call the function -// delete_categories for each primary category of the site -function delete_site( $id ) +/** + * Deletes a site and call delete_categories for each primary category of the site + * + * @param int $id + */ +function delete_site($id) { // destruction of the categories of the site $query = ' @@ -44,18 +52,19 @@ DELETE FROM '.SITES_TABLE.' pwg_query($query); } - -// 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 physically linked to 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. -// -// the $photo_deletion_mode is for photos virtually linked to the categorty -// * no_delete : delete no photo, may create orphans -// * delete_orphans : delete photos that are no longer linked to any category -// * force_delete : delete photos even if they are linked to another category +/** + * Recursively deletes one or more categories. + * It also deletes : + * - all the elements physically linked to the category (with delete_elements) + * - all the links between elements and this category + * - all the restrictions linked to the category + * + * @param int[] $ids + * @param string $photo_deletion_mode + * - no_delete : delete no photo, may create orphans + * - delete_orphans : delete photos that are no longer linked to any category + * - force_delete : delete photos even if they are linked to another category + */ function delete_categories($ids, $photo_deletion_mode='no_delete') { if (count($ids) == 0) @@ -156,8 +165,12 @@ DELETE FROM '.USER_CACHE_CATEGORIES_TABLE.' trigger_action('delete_categories', $ids); } -// Deletes all files (on disk) related to given image ids -// @return image ids where files are deleted successfully +/** + * Deletes all files (on disk) related to given image ids. + * + * @param int[] $ids + * @return 0|int[] image ids where files were successfully deleted + */ function delete_element_files($ids) { global $conf; @@ -219,12 +232,18 @@ SELECT return $new_ids; } -// 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 -// @return number of deleted elements +/** + * Deletes elements from database. + * It also deletes : + * - all the comments related to elements + * - all the links between categories/tags and elements + * - all the favorites/rates associated to elements + * - removes elements from caddie + * + * @param int[] $ids + * @param bool $physical_deletion + * @return int number of deleted elements + */ function delete_elements($ids, $physical_deletion=false) { if (count($ids) == 0) @@ -241,60 +260,55 @@ function delete_elements($ids, $physical_deletion=false) return 0; } } + + $ids_str = wordwrap(implode(', ', $ids), 80, "\n"); // destruction of the comments on the image $query = ' DELETE FROM '.COMMENTS_TABLE.' - WHERE image_id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE image_id IN ('. $ids_str .') ;'; pwg_query($query); - // destruction of the links between images and this category + // destruction of the links between images and categories $query = ' DELETE FROM '.IMAGE_CATEGORY_TABLE.' - WHERE image_id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE image_id IN ('. $ids_str .') ;'; pwg_query($query); // destruction of the links between images and tags $query = ' DELETE FROM '.IMAGE_TAG_TABLE.' - WHERE image_id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE image_id IN ('. $ids_str .') ;'; pwg_query($query); // destruction of the favorites associated with the picture $query = ' DELETE FROM '.FAVORITES_TABLE.' - WHERE image_id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE image_id IN ('. $ids_str .') ;'; pwg_query($query); // destruction of the rates associated to this element $query = ' DELETE FROM '.RATE_TABLE.' - WHERE element_id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE element_id IN ('. $ids_str .') ;'; pwg_query($query); - // destruction of the rates associated to this element + // destruction of the caddie associated to this element $query = ' DELETE FROM '.CADDIE_TABLE.' - WHERE element_id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE element_id IN ('. $ids_str .') ;'; pwg_query($query); // destruction of the image $query = ' DELETE FROM '.IMAGES_TABLE.' - WHERE id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE id IN ('. $ids_str .') ;'; pwg_query($query); @@ -303,8 +317,7 @@ DELETE FROM '.IMAGES_TABLE.' SELECT id FROM '.CATEGORIES_TABLE.' - WHERE representative_picture_id IN ( -'.wordwrap(implode(', ', $ids), 80, "\n").') + WHERE representative_picture_id IN ('. $ids_str .') ;'; $category_ids = array_from_query($query, 'id'); if (count($category_ids) > 0) @@ -316,13 +329,13 @@ SELECT return count($ids); } -// The delete_user function delete a user identified by the $user_id -// It also deletes : -// - all the access linked to this user -// - all the links to any group -// - all the favorites linked to this user -// - calculated permissions linked to the user -// - all datas about notifications for the user +/** + * Deletes an user. + * It also deletes all related data (accesses, favorites, permissions, etc.) + * @todo : accept array input + * + * @param int $user_id + */ function delete_user($user_id) { global $conf; @@ -356,7 +369,7 @@ DELETE FROM '.$table.' pwg_query($query); } - // destruction of the user + // purge of sessions $query = ' DELETE FROM '.SESSIONS_TABLE.' WHERE data LIKE \'pwg_uid|i:'.(int)$user_id.';%\' @@ -415,10 +428,9 @@ SELECT /** * Verifies that the representative picture really exists in the db and - * picks up a random represantive if possible and based on config. + * picks up a random representative if possible and based on config. * - * @param mixed category id - * @returns void + * @param 'all'|int|int[] $ids */ function update_category($ids = 'all') { @@ -485,9 +497,8 @@ SELECT DISTINCT id } /** - * check and repair images integrity - * - * TODO see delete_elements function to check all linked tables + * Checks and repairs IMAGE_CATEGORY_TABLE integrity. + * Removes all entries from the table which correspond to a deleted image. */ function images_integrity() { @@ -513,18 +524,18 @@ DELETE } /** - * returns an array containing sub-directories which can be a category, - * recursive by default - * - * directories nammed "thumbnail", "pwg_high" or "pwg_representative" are - * omitted + * Returns an array containing sub-directories which are potentially + * a category. + * Directories named ".svn", "thumbnail", "pwg_high" or "pwg_representative" + * are omitted. * - * @param string $basedir - * @return array + * @param string $basedir (eg: ./galleries) + * @return string[] */ function get_fs_directories($path, $recursive = true) { $dirs = array(); + $path = rtrim($path, '/'); if (is_dir($path)) { @@ -555,9 +566,8 @@ function get_fs_directories($path, $recursive = true) } /** - * 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 + * Orders categories (update categories.rank and global_rank database fields) + * so that rank field are consecutive integers starting at 1 for each child. */ function update_global_rank() { @@ -623,22 +633,21 @@ SELECT id, id_uppercat, uppercats, rank, global_rank } /** - * change the visible property on a set of categories + * Change the **visible** property on a set of categories. * - * @param array categories - * @param string value - * @return void + * @param int[] $categories + * @param boolean|string $value */ function set_cat_visible($categories, $value) { - if (!in_array($value, array('true', 'false'))) + if ( ($value = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)) === null ) { trigger_error("set_cat_visible invalid param $value", E_USER_WARNING); return false; } // unlocking a category => all its parent categories become unlocked - if ($value == 'true') + if ($value) { $uppercats = get_uppercat_ids($categories); $query = ' @@ -648,7 +657,7 @@ UPDATE '.CATEGORIES_TABLE.' pwg_query($query); } // locking a category => all its child categories become locked - if ($value == 'false') + else { $subcats = get_subcat_ids($categories); $query = ' @@ -660,11 +669,10 @@ UPDATE '.CATEGORIES_TABLE.' } /** - * change the status property on a set of categories : private or public + * Change the **status** property on a set of categories : private or public. * - * @param array categories - * @param string value - * @return void + * @param int[] $categories + * @param string $value */ function set_cat_status($categories, $value) { @@ -698,10 +706,10 @@ UPDATE '.CATEGORIES_TABLE.' } /** - * returns all uppercats category ids of the given category ids + * Returns all uppercats category ids of the given category ids. * - * @param array cat_ids - * @return array + * @param int[] $cat_ids + * @return int[] */ function get_uppercat_ids($cat_ids) { @@ -729,9 +737,9 @@ SELECT uppercats } /** - * set a new random representant to the categories + * Set a new random representant to the categories. * - * @param array categories + * @param int[] $categories */ function set_random_representant($categories) { @@ -764,10 +772,10 @@ SELECT image_id } /** - * returns the fulldir for each given category id + * Returns the fulldir for each given category id. * - * @param array cat_ids - * @return array + * @param int[] intcat_ids + * @return string[] */ function get_fulldirs($cat_ids) { @@ -816,11 +824,10 @@ SELECT id, uppercats, site_id } /** - * returns an array with all file system files according to - * $conf['file_ext'] + * Returns an array with all file system files according to $conf['file_ext'] * * @param string $path - * @param bool recursive + * @param bool $recursive * @return array */ function get_fs($path, $recursive = true) @@ -902,14 +909,12 @@ function get_fs($path, $recursive = true) } /** - * synchronize base users list and related users list + * Synchronize base users list and related users list. * - * compares and synchronizes base users table (USERS_TABLE) with its child + * Compares and synchronizes base users table (USERS_TABLE) with its child * tables (USER_INFOS_TABLE, USER_ACCESS, USER_CACHE, USER_GROUP) : each * base user must be present in child tables, users in child tables not * present in base table must be deleted. - * - * @return void */ function sync_users() { @@ -971,10 +976,7 @@ DELETE } /** - * updates categories.uppercats field based on categories.id + - * categories.id_uppercat - * - * @return void + * Updates categories.uppercats field based on categories.id + categories.id_uppercat */ function update_uppercats() { @@ -1010,9 +1012,7 @@ SELECT id, id_uppercat, uppercats } /** - * update images.path field - * - * @return void + * Update images.path field base on images.file and storage categories fulldirs. */ function update_path() { @@ -1036,12 +1036,11 @@ UPDATE '.IMAGES_TABLE.' } /** - * change the parent category of the given categories. The categories are + * Change the parent category of the given categories. The categories are * supposed virtual. * - * @param array category identifiers - * @param int parent category identifier - * @return void + * @param int[] $category_ids + * @param int $new_parent (-1 for root) */ function move_categories($category_ids, $new_parent = -1) { @@ -1095,11 +1094,10 @@ SELECT uppercats } } - $tables = - array( - USER_ACCESS_TABLE => 'user_id', - GROUP_ACCESS_TABLE => 'group_id' - ); + $tables = array( + USER_ACCESS_TABLE => 'user_id', + GROUP_ACCESS_TABLE => 'group_id' + ); $query = ' UPDATE '.CATEGORIES_TABLE.' @@ -1175,11 +1173,17 @@ DELETE FROM '.$table.' } /** - * create a virtual category + * Create a virtual category. * - * @param string category name - * @param int parent category id - * @return array with ('info' and 'id') or ('error') key + * @param string $category_name + * @param int $parent_id + * @param array $options + * - boolean commentable + * - boolean visible + * - string status + * - string comment + * - boolean inherit + * @return array ('info', 'id') or ('error') */ function create_virtual_category($category_name, $parent_id=null, $options=array()) { @@ -1322,12 +1326,11 @@ SELECT id, uppercats, global_rank, visible, status } /** - * Set tags to an image. Warning: given tags are all tags associated to the - * image, not additionnal tags. + * Set tags to an image. + * Warning: given tags are all tags associated to the image, not additionnal tags. * - * @param array tag ids - * @param int image id - * @return void + * @param int[] $tags + * @param int $image_id */ function set_tags($tags, $image_id) { @@ -1337,9 +1340,8 @@ function set_tags($tags, $image_id) /** * Add new tags to a set of images. * - * @param array tag ids - * @param array image ids - * @return void + * @param int[] $tags + * @param int[] $images */ function add_tags($tags, $images) { @@ -1378,7 +1380,9 @@ DELETE } /** + * Delete tags and tags associations. * + * @param int[] $tag_ids */ function delete_tags($tag_ids) { @@ -1409,7 +1413,13 @@ DELETE invalidate_user_cache_nb_tags(); } -function tag_id_from_tag_name($tag_name) +/** + * Returns a tag id from its name. If nothing found, create a new tag. + * + * @param string $tag_name + * @return int + */ +function tag_id_from_tag_name($tag_name, $create=true) { global $page; @@ -1454,6 +1464,9 @@ SELECT id ) ) ); + + invalidate_user_cache_nb_tags(); + $page['tag_id_from_tag_name_cache'][$tag_name] = pwg_db_insert_id(TAGS_TABLE); return $page['tag_id_from_tag_name_cache'][$tag_name]; } @@ -1464,6 +1477,11 @@ SELECT id return $page['tag_id_from_tag_name_cache'][$tag_name]; } +/** + * Set tags of images. Overwrites all existing associations. + * + * @param array $tags_of - keys are image ids, values are array of tag ids + */ function set_tags_of($tags_of) { if (count($tags_of) > 0) @@ -1503,12 +1521,10 @@ DELETE /** * Associate a list of images to a list of categories. + * The function will not duplicate links and will preserve ranks. * - * The function will not duplicate links and will preserve ranks - * - * @param array images - * @param array categories - * @return void + * @param int[] $images + * @param int[] $categories */ function associate_images_to_categories($images, $categories) { @@ -1595,12 +1611,10 @@ SELECT /** * Dissociate images from all old categories except their storage category and * associate to new categories. + * This function will preserve ranks. * - * This function will preserve ranks - * - * @param array images - * @param array categories - * @return void + * @param int[] $images + * @param int[] $categories */ function move_images_to_categories($images, $categories) { @@ -1639,9 +1653,8 @@ DELETE '.IMAGE_CATEGORY_TABLE.'.* * Associate images associated to a list of source categories to a list of * destination categories. * - * @param array sources - * @param array destinations - * @return void + * @param int[] $sources + * @param int[] $destinations */ function associate_categories_to_categories($sources, $destinations) { @@ -1663,8 +1676,7 @@ SELECT image_id /** * Refer main Piwigo URLs (currently PHPWG_DOMAIN domain) * - * @param void - * @return array like $conf['links'] + * @return string[] */ function pwg_URL() { @@ -1680,7 +1692,7 @@ function pwg_URL() } /** - * Invalidates cahed data (permissions and category counts) for all users. + * Invalidates cached data (permissions and category counts) for all users. */ function invalidate_user_cache($full = true) { @@ -1703,11 +1715,14 @@ UPDATE '.USER_CACHE_TABLE.' trigger_action('invalidate_user_cache', $full); } - +/** + * Invalidates cached tags counter for all users. + */ function invalidate_user_cache_nb_tags() { global $user; unset($user['nb_available_tags']); + $query = ' UPDATE '.USER_CACHE_TABLE.' SET nb_available_tags = NULL'; @@ -1715,9 +1730,11 @@ UPDATE '.USER_CACHE_TABLE.' } /** - * adds the caracter set to a create table sql query. - * all CREATE TABLE queries must call this function - * @param string query - the sql query + * Adds the caracter set to a create table sql query. + * All CREATE TABLE queries must call this function + * + * @param string $query + * @return string */ function create_table_add_character_set($query) { @@ -1762,9 +1779,11 @@ function create_table_add_character_set($query) } /** - * Returns array use on template with html_options method - * @param Min and Max access to use - * @return array of user access level + * Returns access levels as array used on template with html_options functions. + * + * @param int $MinLevelAccess + * @param int $MaxLevelAccess + * @return array */ function get_user_access_level_html_options($MinLevelAccess = ACCESS_FREE, $MaxLevelAccess = ACCESS_CLOSED) { @@ -1777,9 +1796,11 @@ function get_user_access_level_html_options($MinLevelAccess = ACCESS_FREE, $MaxL } /** - * returns a list of templates currently available in template-extension + * returns a list of templates currently available in template-extension. * Each .tpl file is extracted from template-extension. - * @return array + * + * @param string $start (internal use) + * @return string[] */ function get_extents($start='') { @@ -1804,6 +1825,12 @@ function get_extents($start='') return $extents; } +/** + * Create a new tag. + * + * @param string $tag_name + * @return array ('id', info') or ('error') + */ function create_tag($tag_name) { // does the tag already exists? @@ -1841,11 +1868,10 @@ SELECT id /** * Is the category accessible to the (Admin) user ? - * * Note : if the user is not authorized to see this category, category jump * will be replaced by admin cat_modify page * - * @param int category id to verify + * @param int $category_id * @return bool */ function cat_admin_access($category_id) @@ -1862,10 +1888,14 @@ function cat_admin_access($category_id) } /** - * Retrieve data from external URL + * Retrieve data from external URL. * - * @param string $src: URL - * @param global $dest: can be a file ressource or string + * @param string $src + * @param string|Ressource $dest - can be a file ressource or string + * @param array $get_data - data added to request url + * @param array $post_data - data transmitted with POST + * @param string $user_agent + * @param int $step (internal use) * @return bool */ function fetchRemote($src, &$dest, $get_data=array(), $post_data=array(), $user_agent='Piwigo', $step=0) @@ -2019,13 +2049,11 @@ function fetchRemote($src, &$dest, $get_data=array(), $post_data=array(), $user_ return true; } - /** - * returns the groupname corresponding to the given group identifier if - * exists + * Returns the groupname corresponding to the given group identifier if exists. * - * @param int group_id - * @return mixed + * @param int $group_id + * @return string|false */ function get_groupname($group_id) { @@ -2048,10 +2076,10 @@ SELECT name } /** - * returns the username corresponding to the given user identifier if exists + * Returns the username corresponding to the given user identifier if exists. * - * @param int user_id - * @return mixed + * @param int $user_id + * @return string|false */ function get_username($user_id) { @@ -2075,13 +2103,22 @@ SELECT '.$conf['user_fields']['username'].' return stripslashes($username); } -function get_newsletter_subscribe_base_url($language) { +/** + * Get url on piwigo.org for newsletter subscription + * + * @param string $language (unused) + * @return string + */ +function get_newsletter_subscribe_base_url($language='en_UK') +{ return PHPWG_URL.'/announcement/subscribe/'; } /** - * Accordion menus need to know which section to open by default when - * loading the page + * Return admin menu id for accordion. + * + * @param string $menu_page + * @return int */ function get_active_menu($menu_page) { @@ -2136,14 +2173,19 @@ function get_active_menu($menu_page) case 'theme': case 'languages': return 5; + + default: + return 0; } - return 0; } -/* - * get tags list from SQL query (ids are surrounded by ~~, for get_tag_ids()) - * @param string: query - * @param boolean: only_user_language, if true, only local name is returned for multilingual tags +/** + * Get tags list from SQL query (ids are surrounded by ~~, for get_tag_ids()). + * + * @param string $query + * @param boolean $only_user_language - if true, only local name is returned for + * multilingual tags (if ExtendedDescription plugin is active) + * @return array[] ('id', 'name') */ function get_taglist($query, $only_user_language=true) { @@ -2185,18 +2227,20 @@ function get_taglist($query, $only_user_language=true) return $taglist; } -/* - * get tags ids from a list of raw tags (existing tags or new tags) - * @param mixed: raw_tags, array or comma separated string - * @param boolean: allow_create +/** + * Get tags ids from a list of raw tags (existing tags or new tags). + * + * In $raw_tags we receive something like array('~~6~~', '~~59~~', 'New + * tag', 'Another new tag') The ~~34~~ means that it is an existing + * tag. We added the surrounding ~~ to permit creation of tags like "10" + * or "1234" (numeric characters only) + * + * @param string|string[] $raw_tags - array or comma separated string + * @param boolean $allow_create + * @return int[] */ function get_tag_ids($raw_tags, $allow_create=true) { - // In $raw_tags we receive something like array('~~6~~', '~~59~~', 'New - // tag', 'Another new tag') The ~~34~~ means that it is an existing - // tag. I've added the surrounding ~~ to permit creation of tags like "10" - // or "1234" (numeric characters only) - $tag_ids = array(); if (!is_array($raw_tags)) { @@ -2219,11 +2263,16 @@ function get_tag_ids($raw_tags, $allow_create=true) return $tag_ids; } -/** returns the argument_ids array with new sequenced keys based on related +/** + * Returns the argument_ids array with new sequenced keys based on related * names. Sequence is not case sensitive. - * Warning: By definition, this function breaks original keys + * Warning: By definition, this function breaks original keys. + * + * @param int[] $elements_ids + * @param string[] $name - names of elements, indexed by ids + * @return int[] */ -function order_by_name($element_ids,$name) +function order_by_name($element_ids, $name) { $ordered_element_ids = array(); foreach ($element_ids as $k_id => $element_id) @@ -2235,14 +2284,18 @@ function order_by_name($element_ids,$name) return $ordered_element_ids; } +/** + * Grant access to a list of categories for a list of users. + * + * @param int[] $category_ids + * @param int[] $user_ids + */ function add_permission_on_category($category_ids, $user_ids) { - // array-ify categories and users if (!is_array($category_ids)) { $category_ids = array($category_ids); } - if (!is_array($user_ids)) { $user_ids = array($user_ids); @@ -2294,7 +2347,12 @@ SELECT id ); } - +/** + * Returns the list of admin users. + * + * @param boolean $include_webmaster + * @return int[] + */ function get_admins($include_webmaster=true) { $status_list = array('admin'); @@ -2314,7 +2372,11 @@ SELECT return array_from_query($query, 'user_id'); } -/** delete all derivative files for one or several types */ +/** + * Delete all derivative files for one or several types + * + * @param 'all'|int[] $types + */ function clear_derivative_cache($types='all') { if ($types === 'all') @@ -2371,6 +2433,10 @@ function clear_derivative_cache($types='all') } } +/** + * Used by clear_derivative_cache() + * @ignore + */ function clear_derivative_cache_rec($path, $pattern) { $rmdir = true; @@ -2417,6 +2483,12 @@ function clear_derivative_cache_rec($path, $pattern) } } +/** + * Deletes derivatives of a particular element + * + * @param array $infos ('path'[, 'representative_ext']) + * @param 'all'|int $type + */ function delete_element_derivatives($infos, $type='all') { $path = $infos['path']; @@ -2448,10 +2520,10 @@ function delete_element_derivatives($infos, $type='all') } /** - * returns an array contening sub-directories, excluding ".svn" + * Returns an array containing sub-directories, excluding ".svn" * - * @param string $dir - * @return array + * @param string $directory + * @return string[] */ function get_dirs($directory) { @@ -2474,7 +2546,8 @@ function get_dirs($directory) } /** - * recursively delete a directory + * Recursively delete a directory. + * * @param string $path * @param string $trash_path, try to move the directory to this path if it cannot be delete */ -- cgit v1.2.3