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         $res = "<form id=\"emails\" action=\"{$_SERVER['REQUEST_URI']}\" method=\"post\">\n"
 101             .  "<table class=\"bicol\" cellpadding=\"1\" cellspacing=\"1\" width=\"95%\" align=\"center\">\n"
 102             .  "<tr><th>Email</th>\n"
 103             .  "    <th>Active</th>\n"
 104             .  "    <th>&nbsp;</th>\n"
 105             .  "</tr>\n";
 106
 107         $pair = true;
 108
 109         foreach($this->emails as $id => $email) {
 110             $res .= "<tr class=\"".($pair?"pair":"impair")."\">\n"
 111                 .   "<td>".$email->email."</td>\n"
 112                 .   "<td align=\"center\" width=\"10%\">\n"
 113                 .   "    <input type=\"checkbox\" name=\"emails[$id][active]\""
 114                 .   ($email->is_active() ? " checked=\"checked\"" : "")." /></td>\n"
 115                 .   "<td align=\"center\"><input type=\"button\" name=\"d$id\" "
 116                 .   "value=\"Del\" onclick=\"del_onclick(this)\" /></td>\n"
 117                 .   "</tr>\n";
 118             $pair = !$pair;
 119         }
 120
 121         $res .= "</table>\n"
 122             .   "<center>\n"
 123             .   "    <input id=\"emailsDel\" type=\"hidden\" name=\"emails[del]\" value=\"\" />\n"
 124             .   "    <input type=\"submit\" name=\"emails[apply]\" value=\"Apply changes\" />\n"
 125             .   "</center>\n"
 126             .   "</form>\n";
 127
 128         $val = 'your email ...';
 129
 130         $res .= "<form action=\"{$_SERVER['REQUEST_URI']}\" method=\"post\">\n"
 131             .   "<input type=\"text\" name=\"emails[new]\" size=\"50\" value='$val' "
 132             .   "    onfocus=\"text_onfocus(this,'$val')\" onblur=\"text_onblur(this,'$val')\" />\n"
 133             .   "<input type=\"submit\" name=\"emails[add]\" value=\"Add\" />\n"
 134             .   "</form>\n";
 135
 136         return $res;
 137     }
 138
 139     /** return the string containing the list of $this->emails in javascript.
 140      * @return  the JS code
 141      */
 142     function to_js() {
 143         $res = "";
 144         foreach($this->emails as $id=>$mail)
 145             $res .= "mail_pool[$id] = '{$mail->email}';\n";
 146
 147         return $res;
 148     }
 149
 150     /** compute a new free id for a new mail.
 151      * @return  the new free id
 152      */
 153     function new_mail_id() {
 154         $i=0;
 155         while(array_key_exists($i,$this->emails))
 156             $i++;
 157         return $i;
 158     }
 159
 160     /** handle the data from the form
 161      * @return  true if all is ok, false and sets $philter->error() else
 162      */
 163     function handle_form() {
 164         global $philter;
 165
 166         if(isset($_POST['emails']['add'])) {            // add an email to the pool
 167             if(Email::Check($_POST['emails']['new'])) {
 168                 $new_mail = strtolower($_POST['emails']['new']);
 169
 170                 // we check that the email is not already there
 171                 foreach($this->emails as $id=>$key)
 172                     if($key->email == $new_mail) {
 173                         $philter->set_error("$new_mail is already in the Email Pool");
 174                         return false;
 175                     }
 176
 177                 // then we compute one free id, and we add it to the list
 178                 $mid = $this->new_mail_id();
 179                 $this->emails[$mid] = new Email($new_mail, 'active');
 180                 $this->emails[$mid]->commit($this->uid, $mid);
 181                 uasort($this->emails, "email_cmp");
 182             } else {
 183                 $philter->set_error($_POST['emails']['new']." is not a valid email");
 184                 return false;
 185             }
 186         } elseif(!empty($_POST['emails']['del'])) {      // delete one email
 187             $del_id = $_POST['emails']['del'];
 188             // we compute a list of all actives emails
 189             $allow = false;
 190             foreach($this->emails as $id=>$mail)
 191                 if($del_id!=$id && $mail->is_active())
 192                     $allow = true;
 193
 194             if($allow && isset($this->emails[$del_id])) {
 195                 list($count) = mysql_fetch_row(mysql_query("SELECT COUNT(*) FROM actions "
 196                             ."WHERE uid='{$this->uid}' AND pid='"
 197                             .FwdPlugin::rtti()."' AND data='$del_id'"));
 198                 if($count) {
 199                     $philter->set_error("This email is still in use and can't be deleted !");
 200                     return false;
 201                 } else {
 202                     mysql_query("DELETE FROM emails WHERE uid='{$this->uid}' "
 203                             ."AND email='{$this->emails[$del_id]->email}'");
 204                     unset($this->emails[$del_id]);
 205                 }
 206             } else {
 207                 $philter->set_error("you must have at least one active email !");
 208                 return false;
 209             }
 210         } elseif(isset($_POST['emails']['apply'])) {    // apply actives changes
 211             $one_active = false;
 212
 213             foreach($this->emails as $id=>$mail)
 214                 if(isset($_POST['emails'][$id]['active'])) {
 215                     $one_active = true;
 216                     break;
 217                 }
 218
 219             if(!$one_active) {
 220                 $philter->set_error("you must have at least one active email !");
 221                 return false;
 222             }
 223
 224             foreach($this->emails as $id=>$key)
 225                 if(isset($_POST['emails'][$id]['active']) xor $this->emails[$id]->is_active()) {
 226                     $this->emails[$id]->toggle_flag('active');
 227                     $this->emails[$id]->commit($this->uid, $id);
 228                 }
 229         return true;
 230         }
 231     }
 232 }
 233
 234 /********************************************************************************
 235 * $Id$
 236 * vim: set expandtab shiftwidth=4 tabstop=4 softtabstop=4 textwidth=100:
 237 ********************************************************************************/
 238 ?>