forked from extern/egroupware
- new method get_3links, to get all links from a given app's entries to an other app's entries, which both link to the same 3. app and id
- documentation update phpDoc headers
This commit is contained in:
Ralf Becker
parent
96f0c4a199
commit
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Load Diff
@ -1,317 +1,368 @@
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<?php
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<?php
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/**************************************************************************\
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/**
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* eGroupWare - eGroupWare Interapplication Links *
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* API - Interapplicaton links BO layer
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* http://www.egroupware.org *
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*
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* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
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* Links have two ends each pointing to an entry, each entry is a double:
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* -------------------------------------------- *
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* - app app-name or directory-name of an egw application, eg. 'infolog'
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* This program is free software; you can redistribute it and/or modify it *
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* - id this is the id, eg. an integer or a tupple like '0:INBOX:1234'
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* under the terms of the GNU General Public License as published by the *
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*
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* Free Software Foundation; either version 2 of the License, or (at your *
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* @link http://www.egroupware.org
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* option) any later version. *
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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\**************************************************************************/
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @subpackage link
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* @version $Id$
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*/
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/* $Id$ */
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/**
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* generalized linking between entries of eGroupware apps - SO layer
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*
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* All vars passed to this class get correct escaped to prevent query insertion.
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*/
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class solink
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{
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/**
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* Instance of the db-class
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*
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* @var egw_db
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*/
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var $db;
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/**
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* Current user
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*
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* @var int
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*/
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var $user;
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/**
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* Name of the links table
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*
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* @var string
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*/
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var $link_table = 'egw_links';
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/**
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* Turns on debug-messages
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*
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* @var boolean
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*/
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var $debug;
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/**
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/**
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* generalized linking between entries of eGroupware apps - SO layer
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* constructor
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*
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* Links have two ends each pointing to an entry, each entry is a double:
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* - app app-name or directory-name of an egw application, eg. 'infolog'
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* - id this is the id, eg. an integer or a tupple like '0:INBOX:1234'
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*
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* All vars passed to this class get correct escaped to prevent query insertion.
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*
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* @package API
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* @subpackage link
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* @author RalfBecker-At-outdoor-training.de
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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*/
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*/
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class solink
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function solink( )
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{
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{
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var $db;
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$this->db = clone($GLOBALS['egw']->db);
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var $user;
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$this->db->set_app('phpgwapi');
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var $link_table = 'egw_links';
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$this->user = $GLOBALS['egw_info']['user']['account_id'];
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var $debug;
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}
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/**
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/**
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* constructor
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* creats a link between $app1,$id1 and $app2,$id2
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*/
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*
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function solink( )
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* @param string $app1 appname of 1. endpoint of the link
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* @param string $id1 id in $app1
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* @param string $app2 appname of 2. endpoint of the link
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* @param string $id2 id in $app2
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* @param string $remark='' Remark to be saved with the link (defaults to '')
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* @param int $owner=0 Owner of the link (defaults to user)
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* @return boolean/int False (for db or param-error) or link_id for success
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*/
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function link( $app1,$id1,$app2,$id2,$remark='',$owner=0,$lastmod=0 )
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{
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if ($this->debug)
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{
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{
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$this->db = clone($GLOBALS['egw']->db);
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echo "<p>solink.link('$app1',$id1,'$app2',$id2,'$remark',$owner)</p>\n";
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$this->db->set_app('phpgwapi');
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$this->user = $GLOBALS['egw_info']['user']['account_id'];
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}
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}
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if ($app1 == $app2 && $id1 == $id2 ||
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/**
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$id1 == '' || $id2 == '' || $app1 == '' || $app2 == '')
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* creats a link between $app1,$id1 and $app2,$id2
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*
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* @param string $app1 appname of 1. endpoint of the link
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* @param string $id1 id in $app1
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* @param string $app2 appname of 2. endpoint of the link
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* @param string $id2 id in $app2
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* @param string $remark='' Remark to be saved with the link (defaults to '')
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* @param int $owner=0 Owner of the link (defaults to user)
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* @return boolean/int False (for db or param-error) or link_id for success
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*/
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function link( $app1,$id1,$app2,$id2,$remark='',$owner=0,$lastmod=0 )
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{
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{
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if ($this->debug)
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return False; // dont link to self or other nosense
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{
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echo "<p>solink.link('$app1',$id1,'$app2',$id2,'$remark',$owner)</p>\n";
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}
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if ($app1 == $app2 && $id1 == $id2 ||
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$id1 == '' || $id2 == '' || $app1 == '' || $app2 == '')
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{
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return False; // dont link to self or other nosense
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}
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if ($link = $this->get_link($app1,$id1,$app2,$id2))
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{
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if ($link['link_remark'] != $remark)
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{
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$this->update_remark($link['link_id'],$remark);
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}
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return $link['link_id']; // link alread exist
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}
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if (!$owner)
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{
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$owner = $this->user;
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}
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return $this->db->insert($this->link_table,array(
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'link_app1' => $app1,
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'link_id1' => $id1,
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'link_app2' => $app2,
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'link_id2' => $id2,
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'link_remark' => $remark,
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'link_lastmod' => $lastmod ? $lastmod : time(),
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'link_owner' => $owner,
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),False,__LINE__,__FILE__) ? $this->db->get_last_insert_id($this->link_table,'link_id') : false;
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}
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}
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if ($link = $this->get_link($app1,$id1,$app2,$id2))
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/**
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* update the remark of a link
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*
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* @param int $link_id link to update
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* @param string $remark new text for the remark
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* @return boolean true on success, else false
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*/
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function update_remark($link_id,$remark)
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{
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{
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return $this->db->update($this->link_table,array(
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if ($link['link_remark'] != $remark)
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'link_remark' => $remark,
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{
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'link_lastmod' => time(),
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$this->update_remark($link['link_id'],$remark);
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),array(
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}
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'link_id' => $link_id,
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return $link['link_id']; // link alread exist
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),__LINE__,__FILE__);
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}
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}
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if (!$owner)
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/**
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* returns array of links to $app,$id
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*
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* @param string $app appname
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* @param string $id id in $app
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* @param string $only_app if set return only links from $only_app (eg. only addressbook-entries) or NOT from if $only_app[0]=='!'
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* @param string $order defaults to newest links first
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* @return array of links (only_app: ids) or empty array if no matching links found
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*/
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function get_links( $app,$id,$only_app='',$order='link_lastmod DESC' )
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{
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{
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if ($this->debug)
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$owner = $this->user;
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{
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echo "<p>solink.get_links($app,$id,$only_app,$order)</p>\n";
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}
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$links = array();
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$this->db->select($this->link_table,'*',$this->db->expression($this->link_table,'(',array(
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'link_app1' => $app,
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'link_id1' => $id,
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),') OR (',array(
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'link_app2' => $app,
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'link_id2' => $id,
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),')'
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),__LINE__,__FILE__,False,$order ? " ORDER BY $order" : '');
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$this->db->query($sql,__LINE__,__FILE__);
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if ($not_only = $only_app[0] == '!')
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{
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$only_app = substr($only_app,1);
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}
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while ($this->db->next_record())
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{
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$row = $this->db->Record;
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if ($row['link_app1'] == $app AND $row['link_id1'] == $id)
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{
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$link = array(
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'app' => $row['link_app2'],
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'id' => $row['link_id2']
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);
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}
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else
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{
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$link = array(
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'app' => $row['link_app1'],
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'id' => $row['link_id1']
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);
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}
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if ($only_app && $not_only == ($link['app'] == $only_app) ||
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!$GLOBALS['egw_info']['user']['apps'][$link['app']])
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{
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continue;
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}
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$link['remark'] = $row['link_remark'];
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$link['owner'] = $row['link_owner'];
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$link['lastmod'] = $row['link_lastmod'];
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$link['link_id'] = $row['link_id'];
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$links[$row['link_id']] = $only_app && !$not_only ? $link['id'] : $link;
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}
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return $links;
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}
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}
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return $this->db->insert($this->link_table,array(
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'link_app1' => $app1,
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'link_id1' => $id1,
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'link_app2' => $app2,
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'link_id2' => $id2,
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'link_remark' => $remark,
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'link_lastmod' => $lastmod ? $lastmod : time(),
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'link_owner' => $owner,
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),False,__LINE__,__FILE__) ? $this->db->get_last_insert_id($this->link_table,'link_id') : false;
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}
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/**
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/**
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* returns data of a link
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* update the remark of a link
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*
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*
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* @param ing/string $app_link_id > 0 link_id of link or app-name of link
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* @param int $link_id link to update
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* @param string $id='' id in $app, if no integer link_id given in $app_link_id
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* @param string $remark new text for the remark
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* @param string $app2='' appname of 2. endpoint of the link, if no integer link_id given in $app_link_id
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* @return boolean true on success, else false
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* @param string $id2='' id in $app2, if no integer link_id given in $app_link_id
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*/
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* @return array with link-data or False
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function update_remark($link_id,$remark)
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*/
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{
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function get_link($app_link_id,$id='',$app2='',$id2='')
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return $this->db->update($this->link_table,array(
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'link_remark' => $remark,
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'link_lastmod' => time(),
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),array(
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'link_id' => $link_id,
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),__LINE__,__FILE__);
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}
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/**
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* returns array of links to $app,$id
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*
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* @param string $app appname
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* @param string $id id in $app
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* @param string $only_app if set return only links from $only_app (eg. only addressbook-entries) or NOT from if $only_app[0]=='!'
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* @param string $order defaults to newest links first
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* @return array of links (only_app: ids) or empty array if no matching links found
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*/
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function get_links( $app,$id,$only_app='',$order='link_lastmod DESC' )
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{
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if ($this->debug)
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{
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{
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if ($this->debug)
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echo "<p>solink.get_links($app,$id,$only_app,$order)</p>\n";
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}
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$links = array();
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$this->db->select($this->link_table,'*',$this->db->expression($this->link_table,'(',array(
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'link_app1' => $app,
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'link_id1' => $id,
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),') OR (',array(
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'link_app2' => $app,
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'link_id2' => $id,
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),')'
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),__LINE__,__FILE__,False,$order ? " ORDER BY $order" : '');
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$this->db->query($sql,__LINE__,__FILE__);
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if ($not_only = $only_app[0] == '!')
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{
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$only_app = substr($only_app,1);
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}
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while ($this->db->next_record())
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{
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$row = $this->db->Record;
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if ($row['link_app1'] == $app AND $row['link_id1'] == $id)
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{
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{
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echo "<p>solink.get_link('$app_link_id',$id,'$app2','$id2')</p>\n";
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$link = array(
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}
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'app' => $row['link_app2'],
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if ((int) $app_link_id > 0)
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'id' => $row['link_id2']
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{
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);
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$where = array('link_id' => $app_link_id);
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}
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}
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else
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else
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{
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{
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if ($app_link_id == '' || $id == '' || $app2 == '' || $id2 == '')
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$link = array(
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'app' => $row['link_app1'],
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'id' => $row['link_id1']
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);
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}
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if ($only_app && $not_only == ($link['app'] == $only_app) ||
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!$GLOBALS['egw_info']['user']['apps'][$link['app']])
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{
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continue;
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}
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$link['remark'] = $row['link_remark'];
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$link['owner'] = $row['link_owner'];
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$link['lastmod'] = $row['link_lastmod'];
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$link['link_id'] = $row['link_id'];
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$links[$row['link_id']] = $only_app && !$not_only ? $link['id'] : $link;
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}
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return $links;
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}
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/**
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* returns data of a link
|
||||||
|
*
|
||||||
|
* @param ing/string $app_link_id > 0 link_id of link or app-name of link
|
||||||
|
* @param string $id='' id in $app, if no integer link_id given in $app_link_id
|
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* @param string $app2='' appname of 2. endpoint of the link, if no integer link_id given in $app_link_id
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* @param string $id2='' id in $app2, if no integer link_id given in $app_link_id
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* @return array with link-data or False
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*/
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function get_link($app_link_id,$id='',$app2='',$id2='')
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{
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if ($this->debug)
|
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{
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echo "<p>solink.get_link('$app_link_id',$id,'$app2','$id2')</p>\n";
|
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|
}
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if ((int) $app_link_id > 0)
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{
|
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$where = array('link_id' => $app_link_id);
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|
}
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|
else
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|
{
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if ($app_link_id == '' || $id == '' || $app2 == '' || $id2 == '')
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|
{
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return False;
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}
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$vars2addslashes = array('app_link_id','id','app2','id2');
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foreach ($vars2addslashes as $var)
|
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{
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$$var = $this->db->db_addslashes($$var);
|
||||||
|
}
|
||||||
|
$where = $this->db->expression($this->link_table,'(',array(
|
||||||
|
'link_app1' => $app_link_id,
|
||||||
|
'link_id1' => $id,
|
||||||
|
'link_app2' => $app2,
|
||||||
|
'link_id2' => $id2,
|
||||||
|
),') OR (',array(
|
||||||
|
'link_app2' => $app_link_id,
|
||||||
|
'link_id2' => $id,
|
||||||
|
'link_app1' => $app2,
|
||||||
|
'link_id1' => $id2,
|
||||||
|
),')');
|
||||||
|
}
|
||||||
|
$this->db->select($this->link_table,'*',$where,__LINE__,__FILE__);
|
||||||
|
|
||||||
|
if ($this->db->next_record())
|
||||||
|
{
|
||||||
|
if ($this->debug)
|
||||||
|
{
|
||||||
|
_debug_array($this->db->Record);
|
||||||
|
}
|
||||||
|
return $this->db->Record;
|
||||||
|
}
|
||||||
|
return False;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Remove link with $link_id or all links matching given params
|
||||||
|
*
|
||||||
|
* @param $link_id link-id to remove if > 0
|
||||||
|
* @param string $app='' app-name of links to remove
|
||||||
|
* @param string $id='' id in $app or '' remove all links from $app
|
||||||
|
* @param int $owner=0 account_id to delete all links of a given owner, or 0
|
||||||
|
* @param string $app2='' appname of 2. endpoint of the link
|
||||||
|
* @param string $id2='' id in $app2
|
||||||
|
* @return array with deleted links
|
||||||
|
*/
|
||||||
|
function &unlink($link_id,$app='',$id='',$owner=0,$app2='',$id2='')
|
||||||
|
{
|
||||||
|
if ($this->debug)
|
||||||
|
{
|
||||||
|
echo "<p>solink.unlink($link_id,$app,$id,$owner,$app2,$id2)</p>\n";
|
||||||
|
}
|
||||||
|
if ((int)$link_id > 0)
|
||||||
|
{
|
||||||
|
$where = array('link_id' => $link_id);
|
||||||
|
}
|
||||||
|
elseif ($app == '' AND $owner == '')
|
||||||
|
{
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if ($app != '' && $app2 == '')
|
||||||
|
{
|
||||||
|
$check1 = array('link_app1' => $app);
|
||||||
|
$check2 = array('link_app2' => $app);
|
||||||
|
if ($id != '')
|
||||||
{
|
{
|
||||||
return False;
|
$check1['link_id1'] = $id;
|
||||||
}
|
$check2['link_id2'] = $id;
|
||||||
$vars2addslashes = array('app_link_id','id','app2','id2');
|
|
||||||
foreach ($vars2addslashes as $var)
|
|
||||||
{
|
|
||||||
$$var = $this->db->db_addslashes($$var);
|
|
||||||
}
|
}
|
||||||
|
$where = $this->db->expression($this->link_table,'((',$check1,') OR (',$check2,'))');
|
||||||
|
}
|
||||||
|
elseif ($app != '' && $app2 != '')
|
||||||
|
{
|
||||||
$where = $this->db->expression($this->link_table,'(',array(
|
$where = $this->db->expression($this->link_table,'(',array(
|
||||||
'link_app1' => $app_link_id,
|
'link_app1' => $app,
|
||||||
'link_id1' => $id,
|
'link_id1' => $id,
|
||||||
'link_app2' => $app2,
|
'link_app2' => $app2,
|
||||||
'link_id2' => $id2,
|
'link_id2' => $id2,
|
||||||
),') OR (',array(
|
),') OR (',array(
|
||||||
'link_app2' => $app_link_id,
|
|
||||||
'link_id2' => $id,
|
|
||||||
'link_app1' => $app2,
|
'link_app1' => $app2,
|
||||||
'link_id1' => $id2,
|
'link_id1' => $id2,
|
||||||
|
'link_app2' => $app,
|
||||||
|
'link_id2' => $id,
|
||||||
),')');
|
),')');
|
||||||
}
|
}
|
||||||
$this->db->select($this->link_table,'*',$where,__LINE__,__FILE__);
|
if ($owner)
|
||||||
|
|
||||||
if ($this->db->next_record())
|
|
||||||
{
|
{
|
||||||
if ($this->debug)
|
if ($app) $where = array($where);
|
||||||
{
|
$where['link_owner'] = $owner;
|
||||||
_debug_array($this->db->Record);
|
|
||||||
}
|
|
||||||
return $this->db->Record;
|
|
||||||
}
|
}
|
||||||
return False;
|
|
||||||
}
|
}
|
||||||
|
$this->db->select($this->link_table,'*',$where,__LINE__,__FILE__);
|
||||||
/**
|
$deleted = array();
|
||||||
* Remove link with $link_id or all links matching given params
|
while (($row = $this->db->row(true)))
|
||||||
*
|
|
||||||
* @param $link_id link-id to remove if > 0
|
|
||||||
* @param string $app='' app-name of links to remove
|
|
||||||
* @param string $id='' id in $app or '' remove all links from $app
|
|
||||||
* @param int $owner=0 account_id to delete all links of a given owner, or 0
|
|
||||||
* @param string $app2='' appname of 2. endpoint of the link
|
|
||||||
* @param string $id2='' id in $app2
|
|
||||||
* @return array with deleted links
|
|
||||||
*/
|
|
||||||
function &unlink($link_id,$app='',$id='',$owner=0,$app2='',$id2='')
|
|
||||||
{
|
{
|
||||||
if ($this->debug)
|
$deleted[] = $row;
|
||||||
{
|
|
||||||
echo "<p>solink.unlink($link_id,$app,$id,$owner,$app2,$id2)</p>\n";
|
|
||||||
}
|
|
||||||
if ((int)$link_id > 0)
|
|
||||||
{
|
|
||||||
$where = array('link_id' => $link_id);
|
|
||||||
}
|
|
||||||
elseif ($app == '' AND $owner == '')
|
|
||||||
{
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
if ($app != '' && $app2 == '')
|
|
||||||
{
|
|
||||||
$check1 = array('link_app1' => $app);
|
|
||||||
$check2 = array('link_app2' => $app);
|
|
||||||
if ($id != '')
|
|
||||||
{
|
|
||||||
$check1['link_id1'] = $id;
|
|
||||||
$check2['link_id2'] = $id;
|
|
||||||
}
|
|
||||||
$where = $this->db->expression($this->link_table,'((',$check1,') OR (',$check2,'))');
|
|
||||||
}
|
|
||||||
elseif ($app != '' && $app2 != '')
|
|
||||||
{
|
|
||||||
$where = $this->db->expression($this->link_table,'(',array(
|
|
||||||
'link_app1' => $app,
|
|
||||||
'link_id1' => $id,
|
|
||||||
'link_app2' => $app2,
|
|
||||||
'link_id2' => $id2,
|
|
||||||
),') OR (',array(
|
|
||||||
'link_app1' => $app2,
|
|
||||||
'link_id1' => $id2,
|
|
||||||
'link_app2' => $app,
|
|
||||||
'link_id2' => $id,
|
|
||||||
),')');
|
|
||||||
}
|
|
||||||
if ($owner)
|
|
||||||
{
|
|
||||||
if ($app) $where = array($where);
|
|
||||||
$where['link_owner'] = $owner;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
$this->db->select($this->link_table,'*',$where,__LINE__,__FILE__);
|
|
||||||
$deleted = array();
|
|
||||||
while (($row = $this->db->row(true)))
|
|
||||||
{
|
|
||||||
$deleted[] = $row;
|
|
||||||
}
|
|
||||||
$this->db->delete($this->link_table,$where,__LINE__,__FILE__);
|
|
||||||
|
|
||||||
return $deleted;
|
|
||||||
}
|
}
|
||||||
|
$this->db->delete($this->link_table,$where,__LINE__,__FILE__);
|
||||||
|
|
||||||
/**
|
return $deleted;
|
||||||
* Changes ownership of all links from $owner to $new_owner
|
|
||||||
*
|
|
||||||
* This is needed when a user/account gets deleted
|
|
||||||
* Does NOT change the modification-time
|
|
||||||
*
|
|
||||||
* @param int $owner acount_id of owner to change
|
|
||||||
* @param int $new_owner account_id of new owner
|
|
||||||
* @return int number of links changed
|
|
||||||
*/
|
|
||||||
function chown($owner,$new_owner)
|
|
||||||
{
|
|
||||||
if ((int)$owner <= 0 || (int) $new_owner <= 0)
|
|
||||||
{
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
$this->db->update($this->link_table,array('owner'=>$new_owner),array('owner'=>$owner),__LINE__,__FILE__);
|
|
||||||
|
|
||||||
return $this->db->affected_rows();
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Changes ownership of all links from $owner to $new_owner
|
||||||
|
*
|
||||||
|
* This is needed when a user/account gets deleted
|
||||||
|
* Does NOT change the modification-time
|
||||||
|
*
|
||||||
|
* @param int $owner acount_id of owner to change
|
||||||
|
* @param int $new_owner account_id of new owner
|
||||||
|
* @return int number of links changed
|
||||||
|
*/
|
||||||
|
function chown($owner,$new_owner)
|
||||||
|
{
|
||||||
|
if ((int)$owner <= 0 || (int) $new_owner <= 0)
|
||||||
|
{
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
$this->db->update($this->link_table,array('owner'=>$new_owner),array('owner'=>$owner),__LINE__,__FILE__);
|
||||||
|
|
||||||
|
return $this->db->affected_rows();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Get all links from a given app's entries to an other app's entries, which both link to the same 3. app and id
|
||||||
|
*
|
||||||
|
* Example:
|
||||||
|
* I search all timesheet's linked to a given project and id(s), who are also linked to other entries,
|
||||||
|
* which link to the same project:
|
||||||
|
*
|
||||||
|
* ($app='timesheet'/some id) <--a--> (other app/other id) <--b--> ($t_app='projectmanager'/$t_id=$pm_id)
|
||||||
|
* ^ ^
|
||||||
|
* +---------------------------c-----------------------------------------+
|
||||||
|
*
|
||||||
|
* bolink::get_3links('timesheet','projectmanager',$pm_id) returns the links (c) between the timesheet and the project,
|
||||||
|
* plus the other app/id in the keys 'app3' and 'id3'
|
||||||
|
*
|
||||||
|
* Please note / ToDo:
|
||||||
|
* at the moment only those links are returned, who are initiated by $app1, means for whom link_app1=$app1
|
||||||
|
*
|
||||||
|
* @param string $app app the returned links are linked on one side (atm. this must be link_app1!)
|
||||||
|
* @param string $target_app app the returned links other side link also to
|
||||||
|
* @param string/array $target_id=null id(s) the returned links other side link also to
|
||||||
|
* @return array with links from entries from $app to $target_app/$target_id plus the other (b) link_id/app/id in the keys 'link3'/'app3'/'id3'
|
||||||
|
*/
|
||||||
|
function get_3links($app,$target_app,$target_id=null)
|
||||||
|
{
|
||||||
|
$links = array();
|
||||||
|
$this->db->select($this->link_table,'c.*,b.link_app1 AS app3,b.link_id1 AS id3,b.link_id AS link3',
|
||||||
|
'a.link_app1='.$this->db->quote($app).' AND c.link_app2='.$this->db->quote($target_app).
|
||||||
|
(!$target_id ? '' : $this->db->expression($this->link_table,' AND c.',array('link_id2' => $target_id))),
|
||||||
|
__LINE__,__FILE__,false,'',false,0," a
|
||||||
|
JOIN $this->link_table b ON a.link_id2=b.link_id1 AND a.link_app2=b.link_app1
|
||||||
|
JOIN $this->link_table c ON a.link_id1=c.link_id1 AND a.link_app1=c.link_app1 AND a.link_id!=c.link_id AND c.link_app2=b.link_app2 AND c.link_id2=b.link_id2");
|
||||||
|
while (($row = $this->db->row(true,'link_')))
|
||||||
|
{
|
||||||
|
$links[] = $row;
|
||||||
|
}
|
||||||
|
return $links;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user