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Diffstat (limited to 'BSF/include/ws_functions.inc.php')
| -rw-r--r-- | BSF/include/ws_functions.inc.php | 1103 |
1 files changed, 0 insertions, 1103 deletions
diff --git a/BSF/include/ws_functions.inc.php b/BSF/include/ws_functions.inc.php deleted file mode 100644 index 2488fd0bf..000000000 --- a/BSF/include/ws_functions.inc.php +++ /dev/null @@ -1,1103 +0,0 @@ -<?php -// +-----------------------------------------------------------------------+ -// | Piwigo - a PHP based picture gallery | -// +-----------------------------------------------------------------------+ -// | Copyright(C) 2008 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. | -// +-----------------------------------------------------------------------+ - -/**** IMPLEMENTATION OF WEB SERVICE METHODS ***********************************/ - -/** - * Event handler for method invocation security check. Should return a PwgError - * if the preconditions are not satifsied for method invocation. - */ -function ws_isInvokeAllowed($res, $methodName, $params) -{ - global $conf, $calling_partner_id; - - if ( strpos($methodName,'reflection.')===0 ) - { // OK for reflection - return $res; - } - - if ( !is_autorize_status(ACCESS_GUEST) and - strpos($methodName,'pwg.session.')!==0 ) - { - return new PwgError(401, 'Access denied'); - } - - if ( !$conf['ws_access_control'] ) - { - return $res; // No controls are requested - } - $query = ' -SELECT * FROM '.WEB_SERVICES_ACCESS_TABLE." - WHERE `name` = '$calling_partner_id' - AND NOW() <= end; "; - $result = pwg_query($query); - $row = mysql_fetch_assoc($result); - if ( empty($row) ) - { - return new PwgError(403, 'Partner id does not exist or is expired'); - } - if ( !empty($row['request']) - and strpos($methodName, $row['request'])==false - and strpos($methodName, 'session')==false - and strpos($methodName, 'getVersion')==false ) - { // session and getVersion are allowed to diagnose any failure reason - return new PwgError(403, 'Method not allowed'); - } - - return $res; -} - -/** - * ws_addControls - * returns additionnal controls if requested - * usable for 99% of Web Service methods - * - * - Args - * $methodName: is the requested method - * $partner: is the key - * $tbl_name: is the alias_name in the query (sometimes called correlation name) - * null if !getting picture informations - * - Logic - * Access_control is not active: Return - * Key is incorrect: Return 0 = 1 (False condition for MySQL) - * One of Params doesn't match with type of request: return 0 = 1 again - * Access list(id/cat/tag) is converted in expended image-id list - * image-id list: converted to an in-where-clause - * - * The additionnal in-where-clause is return - */ -function ws_addControls( $methodName, &$params, $tbl_name ) -{ - global $conf, $calling_partner_id; - if ( !$conf['ws_access_control'] or !isset($calling_partner_id) ) - { - return '1=1'; // No controls are requested - } - -// Is it an active Partner? - $query = ' -SELECT * FROM '.WEB_SERVICES_ACCESS_TABLE." - WHERE `name` = '$calling_partner_id' - AND NOW() <= end; "; -$result = pwg_query($query); - if ( mysql_num_rows( $result ) == 0 ) - { - return '0=1'; // Unknown partner or Obsolate agreement - } - - $row = mysql_fetch_array($result); - -// Overide general object limit - $params['per_page'] = $row['limit']; - -// Target restrict -// 3 cases: list, cat or tag -// Behind / we could found img-ids, cat-ids or tag-ids - $target = $row['access']; - if ( $target == '') - { - return '1=1'; // No controls are requested - } - list($type, $str_ids) = explode('/',$target); // Find type list - -// (array) 1,2,21,3,22,4,5,9-12,6,11,12,13,2,4,6, - $arr_ids = expand_id_list( explode( ',',$str_ids ) ); - $addings = implode(',', $arr_ids); -// (string) 1,2,3,4,5,6,9,10,11,12,13,21,22, - if ( $type == 'list') - { - return $tbl_name . 'id IN ( ' . $addings . ' ) '; - } - - if ( $type == 'cat' ) - { - $addings = implode(',', get_image_ids_for_cats($arr_ids)); - return $tbl_name . 'id IN ( ' . $addings . ' ) '; - } - - if ( $type == 'tag' ) - { - $addings = implode(',', get_image_ids_for_tags($arr_ids, 'OR')); - return $tbl_name . 'id IN ( ' . $addings . ' ) '; - } - // Unmanaged new type? - return ' 0 = 1 '; // ??? -} - -/** - * returns a "standard" (for our web service) array of sql where clauses that - * filters the images (images table only) - */ -function ws_std_image_sql_filter( $params, $tbl_name='' ) -{ - $clauses = array(); - if ( is_numeric($params['f_min_rate']) ) - { - $clauses[] = $tbl_name.'average_rate>'.$params['f_min_rate']; - } - if ( is_numeric($params['f_max_rate']) ) - { - $clauses[] = $tbl_name.'average_rate<='.$params['f_max_rate']; - } - if ( is_numeric($params['f_min_hit']) ) - { - $clauses[] = $tbl_name.'hit>'.$params['f_min_hit']; - } - if ( is_numeric($params['f_max_hit']) ) - { - $clauses[] = $tbl_name.'hit<='.$params['f_max_hit']; - } - if ( isset($params['f_min_date_posted']) ) - { - $clauses[] = $tbl_name."date_available>='".$params['f_min_date_posted']."'"; - } - if ( isset($params['f_max_date_posted']) ) - { - $clauses[] = $tbl_name."date_available<'".$params['f_max_date_posted']."'"; - } - if ( isset($params['f_min_date_created']) ) - { - $clauses[] = $tbl_name."date_creation>='".$params['f_min_date_created']."'"; - } - if ( isset($params['f_max_date_created']) ) - { - $clauses[] = $tbl_name."date_creation<'".$params['f_max_date_created']."'"; - } - if ( is_numeric($params['f_min_ratio']) ) - { - $clauses[] = $tbl_name.'width/'.$tbl_name.'height>'.$params['f_min_ratio']; - } - if ( is_numeric($params['f_max_ratio']) ) - { - $clauses[] = $tbl_name.'width/'.$tbl_name.'height<='.$params['f_max_ratio']; - } - if ( $params['f_with_thumbnail'] ) - { - $clauses[] = $tbl_name.'tn_ext IS NOT NULL'; - } - return $clauses; -} - -/** - * returns a "standard" (for our web service) ORDER BY sql clause for images - */ -function ws_std_image_sql_order( $params, $tbl_name='' ) -{ - $ret = ''; - if ( empty($params['order']) ) - { - return $ret; - } - $matches = array(); - preg_match_all('/([a-z_]+) *(?:(asc|desc)(?:ending)?)? *(?:, *|$)/i', - $params['order'], $matches); - for ($i=0; $i<count($matches[1]); $i++) - { - switch ($matches[1][$i]) - { - case 'date_created': - $matches[1][$i] = 'date_creation'; break; - case 'date_posted': - $matches[1][$i] = 'date_available'; break; - case 'rand': case 'random': - $matches[1][$i] = 'RAND()'; break; - } - $sortable_fields = array('id', 'file', 'name', 'hit', 'average_rate', - 'date_creation', 'date_available', 'RAND()' ); - if ( in_array($matches[1][$i], $sortable_fields) ) - { - if (!empty($ret)) - $ret .= ', '; - if ($matches[1][$i] != 'RAND()' ) - { - $ret .= $tbl_name; - } - $ret .= $matches[1][$i]; - $ret .= ' '.$matches[2][$i]; - } - } - return $ret; -} - -/** - * returns an array map of urls (thumb/element) for image_row - to be returned - * in a standard way by different web service methods - */ -function ws_std_get_urls($image_row) -{ - $ret = array( - 'tn_url' => get_thumbnail_url($image_row), - 'element_url' => get_element_url($image_row) - ); - global $user; - if ($user['enabled_high'] and $image_row['has_high'] ) - { - $ret['high_url'] = get_high_url($image_row); - } - return $ret; -} - -/** - * returns an array of image attributes that are to be encoded as xml attributes - * instead of xml elements - */ -function ws_std_get_image_xml_attributes() -{ - return array( - 'id','tn_url','element_url','high_url', 'file','width','height','hit' - ); -} - -/** - * returns PWG version (web service method) - */ -function ws_getVersion($params, &$service) -{ - global $conf; - if ($conf['show_version']) - return PHPWG_VERSION; - else - return new PwgError(403, 'Forbidden'); -} - - -/** - * returns images per category (web service method) - */ -function ws_categories_getImages($params, &$service) -{ - @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); - global $user, $conf; - - $images = array(); - - //------------------------------------------------- get the related categories - $where_clauses = array(); - foreach($params['cat_id'] as $cat_id) - { - $cat_id = (int)$cat_id; - if ($cat_id<=0) - continue; - if ($params['recursive']) - { - $where_clauses[] = 'uppercats REGEXP \'(^|,)'.$cat_id.'(,|$)\''; - } - else - { - $where_clauses[] = 'id='.$cat_id; - } - } - if (!empty($where_clauses)) - { - $where_clauses = array( '('. - implode(' - 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(' - AND ', $where_clauses); - $result = pwg_query($query); - $cats = array(); - while ($row = mysql_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 - ); - $where_clauses[] = ws_addControls( 'categories.getImages', $params, 'i.' ); - - $order_by = ws_std_image_sql_order($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) cat_ids - FROM '.IMAGES_TABLE.' i - INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON i.id=image_id - WHERE '. implode(' - AND ', $where_clauses).' -GROUP BY i.id -'.$order_by.' -LIMIT '.$params['per_page']*$params['page'].','.$params['per_page']; - - $result = pwg_query($query); - while ($row = mysql_fetch_assoc($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') 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'], - ) - ); - array_push( $image_cats, array( - WS_XML_ATTRIBUTES => array ( - 'id' => (int)$cat_id, - 'url' => $url, - 'page_url' => $page_url, - ) - ) - ); - } - - $image['categories'] = new PwgNamedArray( - $image_cats,'category', array('id','url','page_url') - ); - array_push($images, $image); - } - } - - return array( 'images' => - array ( - WS_XML_ATTRIBUTES => - array( - 'page' => $params['page'], - 'per_page' => $params['per_page'], - 'count' => count($images) - ), - WS_XML_CONTENT => new PwgNamedArray($images, 'image', - ws_std_get_image_xml_attributes() ) - ) - ); -} - - -/** - * returns a list of categories (web service method) - */ -function ws_categories_getList($params, &$service) -{ - global $user,$conf; - - $where = array(); - - if (!$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) - { - $where[] = 'uppercats REGEXP \'(^|,)'. - (int)($params['cat_id']) - .'(,|$)\''; - } - - if ($params['public']) - { - $where[] = 'status = "public"'; - $where[] = 'visible = "true"'; - $where[]= 'user_id='.$conf['guest_id']; - } - else - { - $where[]= 'user_id='.$user['id']; - } - - $query = ' -SELECT id, name, permalink, uppercats, global_rank, - nb_images, count_images AS total_nb_images, - date_last, max_date_last, count_categories AS nb_categories - FROM '.CATEGORIES_TABLE.' - INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.' ON id=cat_id - WHERE '. implode(' - AND ', $where); - - $result = pwg_query($query); - - $cats = array(); - while ($row = mysql_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]; - } - array_push($cats, $row); - } - usort($cats, 'global_rank_compare'); - return array( - 'categories' => - new PwgNamedArray($cats,'category', - array('id','url','nb_images','total_nb_images','nb_categories','date_last','max_date_last') - ) - ); -} - - -/** - * returns detailed information for an element (web service method) - */ -function ws_images_addComment($params, &$service) -{ - if (!$service->isPost()) - { - return new PwgError(405, "This method requires HTTP POST"); - } - $params['image_id'] = (int)$params['image_id']; - $query = ' -SELECT DISTINCT image_id - FROM '.IMAGE_CATEGORY_TABLE.' INNER JOIN '.CATEGORIES_TABLE.' ON category_id=id - WHERE commentable="true" - AND image_id='.$params['image_id']. - get_sql_condition_FandF( - array( - 'forbidden_categories' => 'id', - 'visible_categories' => 'id', - 'visible_images' => 'image_id' - ), - ' AND' - ); - if ( !mysql_num_rows( pwg_query( $query ) ) ) - { - return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id"); - } - - include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php'); - - $comm = array( - 'author' => trim( stripslashes($params['author']) ), - 'content' => trim( stripslashes($params['content']) ), - 'image_id' => $params['image_id'], - ); - - include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php'); - - $comment_action = insert_user_comment( - $comm, $params['key'], $infos - ); - - switch ($comment_action) - { - case 'reject': - array_push($infos, l10n('comment_not_added') ); - return new PwgError(403, implode("\n", $infos) ); - case 'validate': - case 'moderate': - $ret = array( - 'id' => $comm['id'], - 'validation' => $comment_action=='validate', - ); - return new PwgNamedStruct( - 'comment', - $ret, - null, array() - ); - default: - return new PwgError(500, "Unknown comment action ".$comment_action ); - } -} - -/** - * returns detailed information for an element (web service method) - */ -function ws_images_getInfo($params, &$service) -{ - @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); - global $user, $conf; - $params['image_id'] = (int)$params['image_id']; - if ( $params['image_id']<=0 ) - { - return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id"); - } - - $query=' -SELECT * FROM '.IMAGES_TABLE.' - WHERE id='.$params['image_id']. - get_sql_condition_FandF( - array('visible_images' => 'id'), - ' AND' - ).' AND '. - ws_addControls( 'images.getInfo', $params, '' ).' -LIMIT 1;'; - - $image_row = mysql_fetch_assoc(pwg_query($query)); - if ($image_row==null) - { - return new PwgError(404, "image_id not found"); - } - $image_row = array_merge( $image_row, ws_std_get_urls($image_row) ); - - //-------------------------------------------------------- related categories - $query = ' -SELECT id, name, permalink, uppercats, global_rank, commentable - FROM '.IMAGE_CATEGORY_TABLE.' - INNER JOIN '.CATEGORIES_TABLE.' ON category_id = id - WHERE image_id = '.$image_row['id']. - get_sql_condition_FandF( - array( 'forbidden_categories' => 'category_id' ), - ' AND' - ).' -;'; - $result = pwg_query($query); - $is_commentable = false; - $related_categories = array(); - while ($row = mysql_fetch_assoc($result)) - { - if ($row['commentable']=='true') - { - $is_commentable = true; - } - unset($row['commentable']); - $row['url'] = make_index_url( - array( - 'category' => $row - ) - ); - - $row['page_url'] = make_picture_url( - array( - 'image_id' => $image_row['id'], - 'image_file' => $image_row['file'], - 'category' => $row - ) - ); - $row['id']=(int)$row['id']; - array_push($related_categories, $row); - } - usort($related_categories, 'global_rank_compare'); - if ( empty($related_categories) ) - { - return new PwgError(401, 'Access denied'); - } - - //-------------------------------------------------------------- related tags - $related_tags = get_common_tags( array($image_row['id']), -1 ); - foreach( $related_tags as $i=>$tag) - { - $tag['url'] = make_index_url( - array( - 'tags' => array($tag) - ) - ); - $tag['page_url'] = make_picture_url( - array( - 'image_id' => $image_row['id'], - 'image_file' => $image_row['file'], - 'tags' => array($tag), - ) - ); - unset($tag['counter']); - $tag['id']=(int)$tag['id']; - $related_tags[$i]=$tag; - } - //------------------------------------------------------------- related rates - $query = ' -SELECT COUNT(rate) AS count - , ROUND(AVG(rate),2) AS average - , ROUND(STD(rate),2) AS stdev - FROM '.RATE_TABLE.' - WHERE element_id = '.$image_row['id'].' -;'; - $rating = mysql_fetch_assoc(pwg_query($query)); - $rating['count'] = (int)$rating['count']; - - //---------------------------------------------------------- related comments - $related_comments = array(); - - $where_comments = 'image_id = '.$image_row['id']; - if ( !is_admin() ) - { - $where_comments .= ' - AND validated="true"'; - } - - $query = ' -SELECT COUNT(id) nb_comments - FROM '.COMMENTS_TABLE.' - WHERE '.$where_comments; - list($nb_comments) = array_from_query($query, 'nb_comments'); - $nb_comments = (int)$nb_comments; - - if ( $nb_comments>0 and $params['comments_per_page']>0 ) - { - $query = ' -SELECT id, date, author, content - FROM '.COMMENTS_TABLE.' - WHERE '.$where_comments.' - ORDER BY date - LIMIT '.$params['comments_per_page']*(int)$params['comments_page']. - ','.$params['comments_per_page']; - - $result = pwg_query($query); - while ($row = mysql_fetch_assoc($result)) - { - $row['id']=(int)$row['id']; - array_push($related_comments, $row); - } - } - - $comment_post_data = null; - if ($is_commentable and - (!is_a_guest() - or (is_a_guest() and $conf['comments_forall'] ) - ) - ) - { - include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php'); - $comment_post_data['author'] = $user['username']; - $comment_post_data['key'] = get_comment_post_key($params['image_id']); - } - - $ret = $image_row; - foreach ( array('id','width','height','hit','filesize') as $k ) - { - if (isset($ret[$k])) - { - $ret[$k] = (int)$ret[$k]; - } - } - foreach ( array('path', 'storage_category_id') as $k ) - { - unset($ret[$k]); - } - - $ret['rates'] = array( WS_XML_ATTRIBUTES => $rating ); - $ret['categories'] = new PwgNamedArray($related_categories, 'category', array('id','url', 'page_url') ); - $ret['tags'] = new PwgNamedArray($related_tags, 'tag', array('id','url_name','url','page_url') ); - if ( isset($comment_post_data) ) - { - $ret['comment_post'] = array( WS_XML_ATTRIBUTES => $comment_post_data ); - } - $ret['comments'] = array( - WS_XML_ATTRIBUTES => - array( - 'page' => $params['comments_page'], - 'per_page' => $params['comments_per_page'], - 'count' => count($related_comments), - 'nb_comments' => $nb_comments, - ), - WS_XML_CONTENT => new PwgNamedArray($related_comments, 'comment', array('id','date') ) - ); - - return new PwgNamedStruct('image',$ret, null, array('name','comment') ); -} - -/** - * returns a list of elements corresponding to a query search - */ -function ws_images_search($params, &$service) -{ - global $page; - $images = array(); - include_once( PHPWG_ROOT_PATH .'include/functions_search.inc.php' ); - include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); - - $where_clauses = ws_std_image_sql_filter( $params, 'i.' ); - $order_by = ws_std_image_sql_order($params, 'i.'); - - if ( !empty($order_by) ) - { - global $conf; - $conf['order_by'] = 'ORDER BY '.$order_by; - $page['super_order_by']=1; // quick_search_result might be faster - } - - $search_result = get_quick_search_results($params['query'], - implode(',', $where_clauses) ); - $image_ids = $search_result['items']; - - $image_ids = array_slice($image_ids, - $params['page']*$params['per_page'], - $params['per_page'] ); - - if ( count($image_ids) ) - { - $query = ' -SELECT * FROM '.IMAGES_TABLE.' - WHERE id IN (' - .wordwrap(implode(', ', $image_ids), 80, "\n") - .')'; - - $result = pwg_query($query); - while ($row = mysql_fetch_assoc($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') as $k ) - { - $image[$k] = $row[$k]; - } - $image = array_merge( $image, ws_std_get_urls($row) ); - array_push($images, $image); - } - - $image_ids = array_flip($image_ids); - usort( - $images, - create_function('$i1,$i2', 'global $image_ids; return $image_ids[$i1["id"]]-$image_ids[$i2["id"]];') - ); - } - - - return array( 'images' => - array ( - WS_XML_ATTRIBUTES => - array( - 'page' => $params['page'], - 'per_page' => $params['per_page'], - 'count' => count($images) - ), - WS_XML_CONTENT => new PwgNamedArray($images, 'image', - ws_std_get_image_xml_attributes() ) - ) - ); -} - -/** - * perform a login (web service method) - */ -function ws_session_login($params, &$service) -{ - global $conf; - - if (!$service->isPost()) - { - return new PwgError(405, "This method requires HTTP POST"); - } - if (try_log_user($params['username'], $params['password'],false)) - { - return true; - } - return new PwgError(999, 'Invalid username/password'); -} - - -/** - * performs a logout (web service method) - */ -function ws_session_logout($params, &$service) -{ - global $user, $conf; - if (!is_a_guest()) - { - $_SESSION = array(); - session_unset(); - session_destroy(); - setcookie(session_name(),'',0, - ini_get('session.cookie_path'), - ini_get('session.cookie_domain') - ); - setcookie($conf['remember_me_name'], '', 0, cookie_path()); - } - return true; -} - -function ws_session_getStatus($params, &$service) -{ - global $user; - $res = array(); - $res['username'] = is_a_guest() ? 'guest' : $user['username']; - foreach ( array('status', 'template', 'theme', 'language') as $k ) - { - $res[$k] = $user[$k]; - } - $res['charset'] = get_pwg_charset(); - return $res; -} - - -/** - * returns a list of tags (web service method) - */ -function ws_tags_getList($params, &$service) -{ - $tags = get_available_tags(); - if ($params['sort_by_counter']) - { - usort($tags, create_function('$a,$b', 'return -$a["counter"]+$b["counter"];') ); - } - else - { - usort($tags, 'name_compare'); - } - for ($i=0; $i<count($tags); $i++) - { - $tags[$i]['id'] = (int)$tags[$i]['id']; - $tags[$i]['counter'] = (int)$tags[$i]['counter']; - $tags[$i]['url'] = make_index_url( - array( - 'section'=>'tags', - 'tags'=>array($tags[$i]) - ) - ); - } - return array('tags' => new PwgNamedArray($tags, 'tag', array('id','url_name','url', 'counter' )) ); -} - - -/** - * returns a list of images for tags (web service method) - */ -function ws_tags_getImages($params, &$service) -{ - @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); - global $conf; - - // first build all the tag_ids we are interested in - $params['tag_id'] = array_map( 'intval',$params['tag_id'] ); - $tags = find_tags($params['tag_id'], $params['tag_url_name'], $params['tag_name']); - $tags_by_id = array(); - foreach( $tags as $tag ) - { - $tags['id'] = (int)$tag['id']; - $tags_by_id[ $tag['id'] ] = $tag; - } - unset($tags); - $tag_ids = array_keys($tags_by_id); - - - $image_ids = array(); - $image_tag_map = array(); - - if ( !empty($tag_ids) ) - { // build list of image ids with associated tags per image - if ($params['tag_mode_and']) - { - $image_ids = get_image_ids_for_tags( $tag_ids ); - } - else - { - $query = ' -SELECT image_id, GROUP_CONCAT(tag_id) tag_ids - FROM '.IMAGE_TAG_TABLE.' - WHERE tag_id IN ('.implode(',',$tag_ids).') - GROUP BY image_id'; - $result = pwg_query($query); - while ( $row=mysql_fetch_assoc($result) ) - { - $row['image_id'] = (int)$row['image_id']; - array_push( $image_ids, $row['image_id'] ); - $image_tag_map[ $row['image_id'] ] = explode(',', $row['tag_ids']); - } - } - } - - $images = array(); - if ( !empty($image_ids)) - { - $where_clauses = ws_std_image_sql_filter($params); - $where_clauses[] = get_sql_condition_FandF( - array - ( - 'forbidden_categories' => 'category_id', - 'visible_categories' => 'category_id', - 'visible_images' => 'i.id' - ), - '', true - ); - $where_clauses[] = 'id IN ('.implode(',',$image_ids).')'; - $where_clauses[] = ws_addControls( 'tags.getImages', $params, 'i.' ); - - $order_by = ws_std_image_sql_order($params); - if (empty($order_by)) - { - $order_by = $conf['order_by']; - } - else - { - $order_by = 'ORDER BY '.$order_by; - } - - $query = ' -SELECT DISTINCT i.* FROM '.IMAGES_TABLE.' i - INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON i.id=image_id - WHERE '. implode(' - AND ', $where_clauses).' -'.$order_by.' -LIMIT '.$params['per_page']*$params['page'].','.$params['per_page']; - - $result = pwg_query($query); - while ($row = mysql_fetch_assoc($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') as $k ) - { - $image[$k] = $row[$k]; - } - $image = array_merge( $image, ws_std_get_urls($row) ); - - $image_tag_ids = ($params['tag_mode_and']) ? $tag_ids : $image_tag_map[$image['id']]; - $image_tags = array(); - foreach ($image_tag_ids as $tag_id) - { - $url = make_index_url( - array( - 'section'=>'tags', - 'tags'=> array($tags_by_id[$tag_id]) - ) - ); - $page_url = make_picture_url( - array( - 'section'=>'tags', - 'tags'=> array($tags_by_id[$tag_id]), - 'image_id' => $row['id'], - 'image_file' => $row['file'], - ) - ); - array_push($image_tags, array( - 'id' => (int)$tag_id, - 'url' => $url, - 'page_url' => $page_url, - ) - ); - } - $image['tags'] = new PwgNamedArray($image_tags, 'tag', - array('id','url_name','url','page_url') - ); - array_push($images, $image); - } - } - - return array( 'images' => - array ( - WS_XML_ATTRIBUTES => - array( - 'page' => $params['page'], - 'per_page' => $params['per_page'], - 'count' => count($images) - ), - WS_XML_CONTENT => new PwgNamedArray($images, 'image', - ws_std_get_image_xml_attributes() ) - ) - ); -} - - -/** - * expand_id_list($ids) convert a human list expression to a full ordered list - * example : expand_id_list( array(5,2-3,2) ) returns array( 2, 3, 5) - * */ -function expand_id_list($ids) -{ - $tid = array(); - foreach ( $ids as $id ) - { - if ( is_numeric($id) ) - { - $tid[] = (int) $id; - } - else - { - $range = explode( '-', $id ); - if ( is_numeric($range[0]) and is_numeric($range[1]) ) - { - $from = min($range[0],$range[1]); - $to = max($range[0],$range[1]); - for ($i = $from; $i <= $to; $i++) - { - $tid[] = (int) $i; - } - } - } - } - $result = array_unique ($tid); // remove duplicates... - sort ($result); - return $result; -} - - -/** - * converts a cat-ids array in image-ids array - * FIXME Function which should already exist somewhere else - * */ -function get_image_ids_for_cats($cat_ids) -{ - $cat_list = implode(',', $cat_ids); - $ret_ids = array(); - $query = ' - SELECT DISTINCT image_id - FROM '.IMAGE_CATEGORY_TABLE.' - WHERE category_id in ('.$cat_list.') - ;'; - return array_from_query($query, 'image_id'); -} - -?> |