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         if(function_exists('isvalid_email_redirection'))
  41             return isvalid_email_redirection($_string);
  42         return preg_match("/^[\w\-.]+(\+[\w\-.]+)?@[\w\-.]+\.[a-zA-Z]{2,44}$/", $_string);
  43     }
  44
  45     /** returns if the email is active or not.
  46      * @return  true if $this->flags contains active
  47      */
  48     function is_active() {
  49         return (stristr($this->flags, 'active')!==false);
  50     }
  51
  52     /** toggle the state of a flag.
  53      * @param   $_flag  the flag to toggle
  54      * @return  void
  55      */
  56     function toggle_flag($_flag) {
  57         $flags = explode(",", $this->flags);
  58         $key = array_search($_flag,$flags);
  59         if($key===NULL || $key===false)
  60             $flags[]=$_flag;
  61         else
  62             unset($flags[$key]);
  63
  64         $this->flags = implode(",",$flags);
  65     }
  66
  67     /** add the email in the database.
  68      * @param   $_uid   the uid of the user
  69      * @param   $_mid   the id of the mail into the user mail list
  70      * @return void
  71      */
  72     function commit($_uid,$_mid) {
  73         mysql_query("REPLACE INTO emails "
  74                 ."SET uid='{$_uid}',mid='$_mid',email='{$this->email}',flags='{$this->flags}'");
  75     }
  76 }
  77
  78 class EmailPool {
  79     /** emails list */
  80     var $emails;
  81     /** uid */
  82     var $uid;
  83
  84     /** constructor
  85      * @param   $_uid   id of the user
  86      */
  87     function EmailPool($_uid) {
  88         global $philter;
  89         $this->uid = $_uid;
  90         $this->emails = array();
  91
  92         $sql = mysql_query("SELECT * FROM emails WHERE uid='$_uid' ORDER BY email");
  93         while($res = mysql_fetch_assoc($sql)) {
  94             $this->emails[$res['mid']] = new Email($res['email'], $res['flags']);
  95         }
  96     }
  97
  98     /** create the part of the form for the mail pool.
  99      * @return  the string containing the form
 100      */
 101     function to_form() {
 102         $res = "<form id=\"emails\" action=\"{$_SERVER['REQUEST_URI']}\" method=\"post\">\n"
 103             .  "<table class=\"bicol\" cellpadding=\"1\" cellspacing=\"1\" width=\"95%\" align=\"center\">\n"
 104             .  "<tr><th>"._i18n('email')."</th>\n"
 105             .  "    <th>"._i18n('active')."</th>\n"
 106             .  "    <th>&nbsp;</th>\n"
 107             .  "</tr>\n";
 108
 109         $pair = true;
 110
 111         foreach($this->emails as $id => $email) {
 112             $res .= "<tr class=\"".($pair?"pair":"impair")."\">\n"
 113                 .   "<td>".$email->email."</td>\n"
 114                 .   "<td align=\"center\" width=\"10%\">\n"
 115                 .   "    <input type=\"checkbox\" name=\"emails[$id][active]\""
 116                 .   ($email->is_active() ? " checked=\"checked\"" : "")." /></td>\n"
 117                 .   "<td align=\"center\"><input type=\"button\" "
 118                 .   "value=\""._i18n('del')."\" onclick=\"del_onclick($id)\" /></td>\n"
 119                 .   "</tr>\n";
 120             $pair = !$pair;
 121         }
 122
 123         $res .= "</table>\n"
 124             .   "<br /><center>\n"
 125             .   "    <input id=\"emailsDel\" type=\"hidden\" name=\"emails[del]\" value=\"-1\" />\n"
 126             .   "    <input type=\"submit\" name=\"emails[apply]\" value=\""
 127             .   _i18n('apply_changes')."\" />\n"
 128             .   "</center><br />\n"
 129             .   "</form>\n";
 130
 131         $val = _i18n('your_email');
 132
 133         $res .= "<form action=\"{$_SERVER['REQUEST_URI']}\" method=\"post\">\n"
 134             .   _i18n('pool_help2')
 135             .   "<input type=\"text\" name=\"emails[new]\" size=\"50\" value='$val' "
 136             .   "    onfocus=\"text_onfocus(this,'$val')\" onblur=\"text_onblur(this,'$val')\" />\n"
 137             .   "<input type=\"submit\" name=\"emails[add]\" value=\"".
 138                 _i18n('add')."\" />\n"
 139             .   "</form>\n";
 140
 141         return $res;
 142     }
 143
 144     /** return the string containing the list of $this->emails in javascript.
 145      * @return  the JS code
 146      */
 147     function to_js() {
 148         $res = "";
 149         foreach($this->emails as $id=>$mail)
 150             $res .= "mail_pool[$id] = '{$mail->email}';\n";
 151
 152         return $res;
 153     }
 154
 155     /** compute a new free id for a new mail.
 156      * @return  the new free id
 157      */
 158     function new_mail_id() {
 159         $i=0;
 160         while(array_key_exists($i,$this->emails))
 161             $i++;
 162         return $i;
 163     }
 164
 165     /** handle the data from the form
 166      * @return  true if all is ok, false and sets $philter->error() else
 167      */
 168     function handle_form() {
 169         global $philter;
 170
 171         if(isset($_POST['emails']['add'])) {            // add an email to the pool
 172             if(Email::Check($_POST['emails']['new'])) {
 173                 $new_mail = strtolower($_POST['emails']['new']);
 174
 175                 // we check that the email is not already there
 176                 foreach($this->emails as $id=>$key)
 177                     if($key->email == $new_mail) {
 178                         $philter->set_error("$new_mail "._i18n('pool_err_already'));
 179                         return false;
 180                     }
 181
 182                 // then we compute one free id, and we add it to the list
 183                 $mid = $this->new_mail_id();
 184                 $this->emails[$mid] = new Email($new_mail, 'active');
 185                 $this->emails[$mid]->commit($this->uid, $mid);
 186                 uasort($this->emails, "email_cmp");
 187             } else {
 188                 $philter->set_error($_POST['emails']['new'].' '._i18n('pool_err_not_valid'));
 189                 return false;
 190             }
 191         } elseif(isset($_POST['emails']['del']) && $_POST['emails']['del'] != -1) {      // delete one email
 192             $del_id = $_POST['emails']['del'];
 193             // we compute a list of all actives emails
 194             $allow = false;
 195
 196             foreach($this->emails as $id=>$mail) {
 197                 if($del_id!=$id && $mail->is_active()) {
 198                     $allow = true;
 199                     break;
 200                 }
 201             }
 202
 203             if($allow && isset($this->emails[$del_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='$del_id'"));
 207                 if($count) {
 208                     $philter->set_error(_i18n('pool_err_active'));
 209                     return false;
 210                 } else {
 211                     mysql_query("DELETE FROM emails WHERE uid='{$this->uid}' "
 212                             ."AND email='{$this->emails[$del_id]->email}'");
 213                     unset($this->emails[$del_id]);
 214                 }
 215             } else {
 216                 $philter->set_error(_i18n('pool_err_need_one'));
 217                 return false;
 218             }
 219         } elseif(isset($_POST['emails']['apply'])) {    // apply actives changes
 220             $one_active = false;
 221             foreach($this->emails as $id=>$mail)
 222                 if(isset($_POST['emails'][$id]['active'])) {
 223                     $one_active = true;
 224                     break;
 225                 }
 226
 227             if(!$one_active) {
 228                 $philter->set_error(_i18n('pool_err_need_one'));
 229                 return false;
 230             }
 231
 232             foreach($this->emails as $id=>$key) {
 233                 if(isset($_POST['emails'][$id]['active']) xor $this->emails[$id]->is_active()) {
 234                     $this->emails[$id]->toggle_flag('active');
 235                     $this->emails[$id]->commit($this->uid, $id);
 236                 }
 237             }
 238         return true;
 239         }
 240     }
 241 }
 242
 243 /********************************************************************************
 244 * $Id$
 245 * vim: set expandtab shiftwidth=4 tabstop=4 softtabstop=4 textwidth=100:
 246 ********************************************************************************/
 247 ?>