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\" onsubmit=\"return del_onsubmit()\">\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             .   "</table>\n</form>\n";
 117
 118         $val = 'your email ...';
 119
 120         $res .= "<form action=\"{$_SERVER['REQUEST_URI']}\" method=\"post\">\n"
 121             .   "<table class=\"bicol\" width=\"100%\">\n"
 122             .   "<tr><td colspan=\"2\">\n"
 123             .   "   <input type=\"text\" name=\"emails[new]\" size=\"60\" value='$val' "
 124             .   "onfocus=\"text_onfocus(this,'$val')\" onblur=\"text_onblur(this,'$val')\" />\n"
 125             .   "   <input type=\"submit\" name=\"emails[add]\" value=\"Add\" />\n"
 126             .   "</td></tr>\n"
 127             .   "</table>\n</form>\n";
 128
 129         return $res;
 130     }
 131
 132     /** return the string containing the list of $this->emails in javascript.
 133      * @return  the JS code
 134      */
 135     function to_js() {
 136         $res = "";
 137         foreach($this->emails as $id=>$mail)
 138             $res .= "mail_pool[$id] = '{$mail->email}';\n";
 139
 140         return $res;
 141     }
 142
 143     /** compute a new free id for a new mail.
 144      * @return  the new free id
 145      */
 146     function new_mail_id() {
 147         $i=0;
 148         while(array_key_exists($i,$this->emails))
 149             $i++;
 150         return $i;
 151     }
 152
 153     /** handle the data from the form
 154      * @return  true if all is ok, false and sets $philter->error() else
 155      */
 156     function handle_form() {
 157         global $philter;
 158
 159         if(isset($_POST['emails']['add'])) {            // add an email to the pool
 160             if(Email::Check($_POST['emails']['new'])) {
 161                 $new_mail = strtolower($_POST['emails']['new']);
 162
 163                 // we check that the email is not already there
 164                 foreach($this->emails as $id=>$key)
 165                     if($key->email == $new_mail) {
 166                         $philter->set_error("$new_mail is already in the Email Pool");
 167                         return false;
 168                     }
 169
 170                 // then we compute one free id, and we add it to the list
 171                 $mid = $this->new_mail_id();
 172                 $this->emails[$mid] = new Email($new_mail, 'active');
 173                 $this->emails[$mid]->commit($this->uid, $mid);
 174                 uasort($this->emails, "email_cmp");
 175             } else {
 176                 $philter->set_error($_POST['emails']['new']." is not a valid email");
 177                 return false;
 178             }
 179         } elseif(isset($_POST['emails']['apply'])) {    // apply actives changes
 180             $one_active = false;
 181             foreach($this->emails as $id=>$mail)
 182                 if(isset($_POST['emails'][$id]['active'])) {
 183                     $one_active = true;
 184                     break;
 185                 }
 186
 187             if(!$one_active) {
 188                 $philter->set_error("you must have at least one active email !");
 189                 return false;
 190             }
 191
 192             foreach($this->emails as $id=>$key)
 193                 if(isset($_POST['emails'][$id]['active']) xor $this->emails[$id]->is_active()) {
 194                     $this->emails[$id]->toggle_flag('active');
 195                     $this->emails[$id]->commit($this->uid, $id);
 196                 }
 197         } else {                                        // delete one email
 198             // we compute a list of all actives emails
 199             $actives = array();
 200             foreach($this->emails as $id=>$mail)
 201                 if($mail->is_active())
 202                     $actives[$id] = true;
 203
 204             foreach($this->emails as $id=>$key)
 205                 if(isset($_POST['emails'][$id]['del'])) {
 206                     if(count($this->emails)>0 && (count($actives)>1 || empty($actives[$id]))) {
 207                         list($count) = mysql_fetch_row(mysql_query("SELECT COUNT(*) FROM actions "
 208                                     ."WHERE uid='{$this->uid}' AND pid='"
 209                                     .FwdPlugin::rtti()."' AND data='$id'"));
 210                         if($count) {
 211                             $philter->set_error("This email is still in use and can't be deleted !");
 212                             return false;
 213                         } else {
 214                             mysql_query("DELETE FROM emails WHERE uid='{$this->uid}' "
 215                                     ."AND email='{$this->emails[$id]->email}'");
 216                             unset($this->emails[$id]);
 217                             unset($actives[$id]);
 218                         }
 219                     } else {
 220                         $philter->set_error("you must have at least one active email !");
 221                         return false;
 222                     }
 223                 }
 224         }
 225         return true;
 226     }
 227 }
 228
 229 /********************************************************************************
 230 * $Id$
 231 * vim: set expandtab shiftwidth=4 tabstop=4 softtabstop=4 textwidth=100:
 232 ********************************************************************************/
 233 ?>