philter/philter/include/emails.inc.php

   1 <?php
   2 /********************************************************************************
   3 * include/emails.inc.php : Gestion of the email Pool of the User
   4 * ----------------------
   5 *
   6 * This file is part of the philter distribution
   7 * Copyright: See COPYING files that comes with this distribution
   8 ********************************************************************************/
   9
  10 /** sorting function to compare to Email objects.
  11  * I wanted to use it as Email::cmp but the fonction uasort didn't seem to accept such a name as argument
  12  * @param   $m1     the first Email object
  13  * @param   $m2     the second Email object
  14  * @return  -1,0,1 whether $m1 <,==,> $m2
  15  */
  16 function email_cmp($m1,$m2) {
  17     return strcmp($m1->email,$m2->email);
  18 }
  19
  20 class Email {
  21     /** email */
  22     var $email;
  23     /** flags */
  24     var $flags;
  25
  26     /** constructor.
  27      * @param   $_email     the email string
  28      * @param   $_flags     the flags
  29      */
  30     function Email($_email, $_flags) {
  31         $this->email = $_email;
  32         $this->flags = $_flags;
  33     }
  34
  35     /** checks if the given string is a valid email.
  36      * @param   $_string    the string to check
  37      * @return  true if the string is a valid email, false else
  38      */
  39     function Check($_string) {
  40         return preg_match("/^[\w\-.]+(\+[\w\-.]+)?@[\w\-.]+\.[a-zA-Z]{2,44}$/", $_string);
  41     }
  42
  43     /** returns if the email is active or not.
  44      * @return  true if $this->flags contains active
  45      */
  46     function is_active() {
  47         return (stristr($this->flags, 'active')!==false);
  48     }
  49
  50     /** toggle the state of a flag.
  51      * @param   $_flag  the flag to toggle
  52      * @return  void
  53      */
  54     function toggle_flag($_flag) {
  55         $flags = explode(",", $this->flags);
  56         $key = array_search($_flag,$flags);
  57         if($key===false)
  58             $flags[]=$_flag;
  59         else
  60             unset($flags[$key]);
  61
  62         $this->flags = implode(",",$flags);
  63     }
  64
  65     /** add the email in the database.
  66      * @param   $_uid   the uid of the user
  67      * @param   $_mid   the id of the mail into the user mail list
  68      * @return void
  69      */
  70     function commit($_uid,$_mid) {
  71         mysql_query("REPLACE INTO emails "
  72                 ."SET uid='{$_uid}',mid='$_mid',email='{$this->email}',flags='{$this->flags}'");
  73     }
  74 }
  75
  76 class EmailPool {
  77     /** emails list */
  78     var $emails;
  79     /** uid */
  80     var $uid;
  81
  82     /** constructor
  83      * @param   $_uid   id of the user
  84      */
  85     function EmailPool($_uid) {
  86         global $philter;
  87         $this->uid = $_uid;
  88         $this->emails = array();
  89
  90         $sql = mysql_query("SELECT * FROM emails WHERE uid='$_uid' ORDER BY email");
  91         while($res = mysql_fetch_assoc($sql)) {
  92             $this->emails[$res['mid']] = new Email($res['email'], $res['flags']);
  93         }
  94     }
  95
  96     /** create the part of the form for the mail pool.
  97      * @return  the string containing the form
  98      */
  99     function to_form() {
 100         $res = "<form action=\"{$_SERVER['REQUEST_URI']}\" method=\"post\">\n"
 101             .  "<table class=\"bicol\" width=\"100%\">\n";
 102
 103         $pair = true;
 104         foreach($this->emails as $id => $email) {
 105             $res .= "<tr class=\"".($pair?"pair":"impair")."\"><td>\n"
 106                 .   "        <input type=\"checkbox\" name=\"emails[$id][active]\""
 107                     . ($email->is_active() ? " checked=\"checked\"" : "")." /> ".$email->email."\n"
 108                 .   "</td><td><input type=\"submit\" name=\"emails[$id][del]\" value=\"Del\" /></td>\n"
 109                 .   "</tr>\n";
 110             $pair = !$pair;
 111         }
 112
 113         $res .= "<tr><td colspan=\"2\">\n"
 114             .   "    <input type=\"submit\" name=\"emails[apply]\" value=\"Apply changes\" /></td>\n"
 115             .   "</tr>\n";
 116
 117         $val = 'your email ...';
 118         $res .= "<tr><td colspan=\"2\">\n"
 119             .   "   <input type=\"text\" name=\"emails[new]\" size=\"60\" value='$val' "
 120             .   "onfocus=\"text_onfocus(this,'$val')\" onblur=\"text_onblur(this,'$val')\" />\n"
 121             .   "   <input type=\"submit\" name=\"emails[add]\" value=\"Add\" /></td>\n"
 122             .   "</td></tr>\n";
 123
 124         $res .= "</table>\n</form>\n";
 125
 126         return $res;
 127     }
 128
 129     /** return the string containing the list of $this->emails in javascript.
 130      * @return  the JS code
 131      */
 132     function to_js() {
 133         $res = "";
 134         foreach($this->emails as $id=>$mail)
 135             $res .= "mail_pool[$id] = '{$mail->email}';\n";
 136
 137         return $res;
 138     }
 139
 140     /** compute a new free id for a new mail.
 141      * @return  the new free id
 142      */
 143     function new_mail_id() {
 144         $i=0;
 145         while(array_key_exists($i,$this->emails))
 146             $i++;
 147         return $i;
 148     }
 149
 150     /** handle the data from the form
 151      * @return  true if all is ok, false and sets $philter->error() else
 152      */
 153     function handle_form() {
 154         global $philter;
 155
 156         if(isset($_POST['emails']['add'])) {            // add an email to the pool
 157             if(Email::Check($_POST['emails']['new'])) {
 158                 $new_mail = strtolower($_POST['emails']['new']);
 159
 160                 // we check that the email is not already there
 161                 foreach($this->emails as $id=>$key)
 162                     if($key->email == $new_mail) {
 163                         $philter->set_error("$new_mail is already in the Email Pool");
 164                         return false;
 165                     }
 166
 167                 // then we compute one free id, and we add it to the list
 168                 $mid = $this->new_mail_id();
 169                 $this->emails[$mid] = new Email($new_mail, 'active');
 170                 $this->emails[$mid]->commit($this->uid, $mid);
 171                 uasort($this->emails, "email_cmp");
 172             } else {
 173                 $philter->set_error($_POST['emails']['new']." is not a valid email");
 174                 return false;
 175             }
 176         } elseif(isset($_POST['emails']['apply'])) {    // apply actives changes
 177             $one_active = false;
 178             foreach($this->emails as $id=>$mail)
 179                 if(isset($_POST['emails'][$id]['active'])) {
 180                     $one_active = true;
 181                     break;
 182                 }
 183
 184             if(!$one_active) {
 185                 $philter->set_error("you must have at least one active email !");
 186                 return false;
 187             }
 188
 189             foreach($this->emails as $id=>$key)
 190                 if(isset($_POST['emails'][$id]['active']) xor $this->emails[$id]->is_active()) {
 191                     $this->emails[$id]->toggle_flag('active');
 192                     $this->emails[$id]->commit($this->uid, $id);
 193                 }
 194         } else {                                        // delete one email
 195             // we compute a list of all actives emails
 196             $actives = array();
 197             foreach($this->emails as $id=>$mail)
 198                 if($mail->is_active())
 199                     $actives[$id] = true;
 200
 201             foreach($this->emails as $id=>$key)
 202                 if(isset($_POST['emails'][$id]['del'])) {
 203                     if(count($this->emails)>0 && (count($actives)>1 || empty($actives[$id]))) {
 204                         list($count) = mysql_fetch_row(mysql_query("SELECT COUNT(*) FROM actions "
 205                                     ."WHERE uid='{$this->uid}' AND pid='"
 206                                     .FwdPlugin::rtti()."' AND data='$id'"));
 207                         if($count) {
 208                             $philter->set_error("This email is still in use and can't be deleted !");
 209                             return false;
 210                         } else {
 211                             mysql_query("DELETE FROM emails WHERE uid='{$this->uid}' "
 212                                     ."AND email='{$this->emails[$id]->email}'");
 213                             unset($this->emails[$id]);
 214                             unset($actives[$id]);
 215                         }
 216                     } else {
 217                         $philter->set_error("you must have at least one active email !");
 218                         return false;
 219                     }
 220                 }
 221         }
 222         return true;
 223     }
 224 }
 225
 226 /********************************************************************************
 227 * $Id$
 228 * vim: set expandtab shiftwidth=4 tabstop=4 softtabstop=4 textwidth=100:
 229 ********************************************************************************/
 230 ?>