Peter M. Groen / knowledgetree

Commit 9970d3ec50d6c7ea94b46dffda03b62405416146

Authored by michael
1 parent 2fbcf6e4

added copyright and gpl notice 

removed owl prefix from table aliases
changed filename to proper case


git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@2562 c91229c3-7414-0410-bfa2-8a42b809f60b
Inline Side-by-side
Showing 1 changed file with 271 additions and 0 deletions
lib/links/Link.inc 0 → 100644
  View file @9970d3e
  1 +<?php
  2 +/**
  3 + * $Id$
  4 + *
  5 + * Represents a Link as per the database table links.
  6 + *
  7 + * Copyright (c) 2003 Jam Warehouse http://www.jamwarehouse.com
  8 + *
  9 + * This program is free software; you can redistribute it and/or modify
  10 + * it under the terms of the GNU General Public License as published by
  11 + * the Free Software Foundation; either version 2 of the License, or
  12 + * (at your option) any later version.
  13 + *
  14 + * This program is distributed in the hope that it will be useful,
  15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17 + * GNU General Public License for more details.
  18 + *
  19 + * You should have received a copy of the GNU General Public License
  20 + * along with this program; if not, write to the Free Software
  21 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22 + *
  23 + * @version $Revision$
  24 + * @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
  25 + * @package lib.groups
  26 + */
  27 +class Link {
  28 +
  29 + /** primary key of current object */
  30 + var $iId;
  31 + /** Link name */
  32 + var $sName;
  33 + /** url link */
  34 + var $sUrl;
  35 + /** rank of website */
  36 + var $iRank;
  37 +
  38 +
  39 + function Link($sNewName, $sNewUrl, $iNewRank) {
  40 + $this->iId = -1;
  41 + $this->sName = $sNewName;
  42 + $this->sUrl = $sNewUrl;
  43 + $this->iRank = $iNewRank;
  44 + }
  45 +
  46 + function getUrl() {
  47 + return $this->sUrl;
  48 + }
  49 +
  50 + function setUrl($sNewValue) {
  51 + $this->sUrl = $sNewValue;
  52 + }
  53 +
  54 + function getRank() {
  55 + return $this->iRank;
  56 + }
  57 +
  58 + function setRank($sNewValue) {
  59 + $this->iRank = $sNewValue;
  60 + }
  61 +
  62 + function getName() {
  63 + return $this->sName;
  64 + }
  65 +
  66 + function setName($sNewValue) {
  67 + $this->sName = $sNewValue;
  68 + }
  69 +
  70 + /**
  71 + * Create the current object in the database
  72 + *
  73 + * @return boolean on successful store, false otherwise and set $_SESSION["errorMessage"]
  74 + *
  75 + */
  76 + function create() {
  77 + global $default, $lang_err_database, $lang_err_object_exists;
  78 + //if the object hasn't been created
  79 + if ($this->iId < 0) {
  80 + //check to see if name exsits
  81 + $sql = $default->db;
  82 + $query = "SELECT name FROM ". $default->quicklinks_table ." WHERE name = '" . $this->sName . "'";
  83 + $sql->query($query);
  84 + $rows = $sql->num_rows($sql);
  85 +
  86 + if ($rows > 0){
  87 + // duplicate username
  88 + $_SESSION["errorMessage"] = "Link::The Link name " . $this->sName . " is already in use!";
  89 + return false;
  90 +
  91 + }else{
  92 + $sql = $default->db;
  93 + $query = "SELECT rank FROM ". $default->quicklinks_table ." WHERE rank = '" . $this->iRank . "'";
  94 + $sql->query($query);
  95 + $rows = $sql->num_rows($sql);
  96 +
  97 + if ($rows > 0){
  98 + // duplicate username
  99 + $_SESSION["errorMessage"] = "Link::The Rank " . $this->iRank . " is already in use!";
  100 + return false;
  101 +
  102 + }else{
  103 + $sql = $default->db;
  104 + $result = $sql->query("INSERT INTO " . $default->quicklinks_table . " (name, url, rank) VALUES ('" . addslashes($this->sName) . "', '" . ($this->sUrl) . "', " . ($this->iRank) . ")");
  105 + if ($result) {
  106 + $this->iId = $sql->insert_id();
  107 + return true;
  108 + }
  109 + $_SESSION["errorMessage"] = $lang_err_database;
  110 + return false;
  111 + }
  112 + }
  113 + }
  114 + $_SESSION["errorMessage"] = $lang_err_object_exists . "id = " . $this->iId . " table = document_fields";
  115 + return false;
  116 + }
  117 +
  118 + /**
  119 + * Update the values in the database table with the object's current values
  120 + *
  121 + * @return boolean true on successful update, false otherwise and set $_SESSION["errorMessage"]
  122 + *
  123 + */
  124 + function update() {
  125 + global $default, $lang_err_database, $lang_err_object_key;
  126 + //only update if the object has been stored
  127 + if ($this->iId > 0) {
  128 + $sql = $default->db;
  129 + $result = $sql->query("UPDATE " . $default->quicklinks_table . " SET name = '" . addslashes($this->sName) . "', url = '" . ($this->sUrl) . "', rank = " . ($this->iRank) . " WHERE id = $this->iId");
  130 + if ($result) {
  131 + return true;
  132 + }
  133 + $_SESSION["errorMessage"] = $lang_err_database;
  134 + return false;
  135 + }
  136 + $_SESSION["errorMessage"] = $lang_err_object_key;
  137 + return false;
  138 + }
  139 +
  140 + /**
  141 + * Delete the current object from the database
  142 + *
  143 + * @return boolean true on successful deletion, false otherwise and set $_SESSION["errorMessage"]
  144 + *
  145 + */
  146 + function delete() {
  147 + global $default, $lang_err_database, $lang_err_object_key;
  148 + //only delete the object if it exists in the database
  149 + if ($this->iId >= 0) {
  150 + $sql = $default->db;
  151 + $result = $sql->query("DELETE FROM $default->quicklinks_table WHERE id = $this->iId");
  152 + if ($result) {
  153 + return true;
  154 + }
  155 + $_SESSION["errorMessage"] = $lang_err_database;
  156 + return false;
  157 +
  158 + }
  159 + $_SESSION["errorMessage"] = $lang_err_object_key;
  160 + return false;
  161 + }
  162 +
  163 + /**
  164 + * Static function.
  165 + * Given a Links primary key it will create a
  166 + * Link object and populate it with the
  167 + * corresponding database values
  168 + *
  169 + * @return Link populated Link object on successful query, false otherwise and set $_SESSION["errorMessage"]
  170 + */
  171 + function & get($iLinkID) {
  172 + global $default;
  173 + $sql = $default->db;
  174 + $result = $sql->query("SELECT * FROM $default->quicklinks_table WHERE id = $iLinkID");
  175 + if ($result) {
  176 + if ($sql->next_record()) {
  177 + $oLink = & new Link(stripslashes($sql->f("name")), $sql->f("url"), $sql->f("rank"));
  178 + $oLink->iId = $iLinkID;
  179 + return $oLink;
  180 + }
  181 + $_SESSION["errorMessage"] = $lang_err_object_not_exist . "id = " . $iLinkID . " table = $default->quicklinks_table";
  182 + return false;
  183 + }
  184 + $_SESSION["errorMessage"] = $lang_err_database;
  185 + return false;
  186 + }
  187 +
  188 +/**
  189 + * Static function
  190 + * Get a list ocuments
  191 + *
  192 + * @param String Where clause (not required)
  193 + *
  194 + * @return Array array of Link objects, false otherwise and set $_SESSION["errorMessage"]
  195 + */
  196 + function getList($sWhereClause = null) {
  197 + global $default, $lang_err_database;
  198 + $aLinkArray;
  199 + settype($aLinkArray, "array");
  200 + $sql = $default->db;
  201 + $result = $sql->query("SELECT * FROM " . $default->quicklinks_table . (isset($sWhereClause) ? " " . $sWhereClause : ""));
  202 + if ($result) {
  203 + $iCount = 0;
  204 + while ($sql->next_record()) {
  205 + $oLink = & Link::get($sql->f("id"));
  206 + $aLinkArray[$iCount] = $oLink;
  207 + $iCount++;
  208 + }
  209 + return $aLinkArray;
  210 + }
  211 + $_SESSION["errorMessage"] = $lang_err_database;
  212 + return false;
  213 + }
  214 +
  215 +
  216 +}
  217 +/*
  218 + * static function
  219 + *
  220 + * gets the name of a unit using their id
  221 + *
  222 + * @param String
  223 + * The name
  224 + *
  225 + */
  226 +
  227 + function getLinkName($id)
  228 + {
  229 + global $default;
  230 +
  231 + $name = lookupField("$default->quicklinks_table", "name", "id", $id );
  232 +
  233 + $this->sName= $name;
  234 + }
  235 +
  236 + /*
  237 + * static function
  238 + *
  239 + * gets the name of a unit using their id
  240 + *
  241 + * @param String
  242 + * The name
  243 + *
  244 + */
  245 +
  246 + function getLinkUrl($id)
  247 + {
  248 + global $default;
  249 +
  250 + $url = lookupField("$default->quicklinks_table", "url", "id", $id );
  251 +
  252 + $this->sName= $url;
  253 + }
  254 +
  255 +
  256 +
  257 +/**
  258 +* Static function
  259 +*
  260 +* Creates a Link object from an array
  261 +*
  262 +* @param Array Array of parameters. Must match order of parameters in constructor
  263 +*
  264 +* @return User user object
  265 +*/
  266 +function & linkCreateFromArray($aParameters) {
  267 + $oLink = & new Link($aParameters[0], $aParameters[1], $aParameters[2], $aParameters[3], $aParameters[4], $aParameters[5], $aParameters[6], $aParameters[7], $aParameters[8], $aParameters[9], $aParameters[10]);
  268 + return $oLink;
  269 +}
  270 +
  271 +?>