actions/invite.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 class InviteAction extends Action {
  23
  24         function is_readonly() {
  25                 return false;
  26         }
  27
  28     function handle($args) {
  29         parent::handle($args);
  30                 if (!common_logged_in()) {
  31                         $this->client_error(sprintf(_('You must be logged in to invite other users to use %s'),
  32                                                                                 common_config('site', 'name')));
  33                         return;
  34                 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  35                         $this->send_invitations();
  36                 } else {
  37                         $this->show_form();
  38                 }
  39         }
  40
  41         function send_invitations() {
  42
  43                 $user = common_current_user();
  44                 $profile = $user->getProfile();
  45
  46                 $bestname = $profile->getBestName();
  47                 $sitename = common_config('site', 'name');
  48                 $personal = $this->trimmed('personal');
  49
  50                 $addresses = explode("\n", $this->trimmed('addresses'));
  51
  52                 foreach ($addresses as $email) {
  53                         $email = trim($email);
  54                         if (!Validate::email($email, true)) {
  55                                 $this->show_form(sprintf(_('Invalid email address: %s'), $email));
  56                                 return;
  57                         }
  58                 }
  59
  60                 $already = array();
  61                 $subbed = array();
  62
  63                 foreach ($addresses as $email) {
  64                         $email = common_canonical_email($email);
  65                         $other = User::staticGet('email', $email);
  66                         if ($other) {
  67                                 if ($user->isSubscribed($other)) {
  68                                         $already[] = $other;
  69                                 } else {
  70                                         subs_subscribe_to($user, $other);
  71                                         $subbed[] = $other;
  72                                 }
  73                         } else {
  74                                 $sent[] = $email;
  75                                 $this->send_invitation($email, $user);
  76                         }
  77                 }
  78
  79                 common_show_header(_('Invitation(s) sent'));
  80                 if ($already) {
  81                         common_element('p', NULL, _('You are already subscribed to these users:'));
  82                         common_element_start('ul');
  83                         foreach ($already as $other) {
  84                                 common_element('li', NULL, sprintf(_('%s (%s)'), $other->nickname, $other->email));
  85                         }
  86                         common_element_end('ul');
  87                 }
  88                 if ($subbed) {
  89                         common_element('p', NULL, _('These people are already users and you were automatically subscribed to them:'));
  90                         common_element_start('ul');
  91                         foreach ($subbed as $other) {
  92                                 common_element('li', NULL, sprintf(_('%s (%s)'), $other->nickname, $other->email));
  93                         }
  94                         common_element_end('ul');
  95                 }
  96                 if ($sent) {
  97                         common_element('p', NULL, _('Invitation(s) sent to the following people:'));
  98                         common_element_start('ul');
  99                         foreach ($sent as $other) {
 100                                 common_element('li', NULL, $other);
 101                         }
 102                         common_element_end('ul');
 103                         common_element('p', NULL, _('You will be notified when your invitees accept the invitation and register on the site. Thanks for growing the community!'));
 104                 }
 105                 common_show_footer();
 106         }
 107
 108         function show_top($error=NULL) {
 109                 if ($error) {
 110                         common_element('p', 'error', $error);
 111                 } else {
 112                         common_element_start('div', 'instructions');
 113                         common_element('p', NULL,
 114                                                    _('Use this form to invite your friends and colleagues to use this service.'));
 115                         common_element_end('div');
 116                 }
 117         }
 118
 119         function show_form($error=NULL) {
 120
 121                 global $config;
 122
 123                 common_show_header(_('Invite new users'), NULL, $error, array($this, 'show_top'));
 124
 125                 common_element_start('form', array('method' => 'post',
 126                                                                                    'id' => 'invite',
 127                                                                                    'action' => common_local_url('invite')));
 128
 129                 common_textarea('addresses', _('Email addresses'),
 130                                                 $this->trimmed('addresses'),
 131                                                 _('Addresses of friends to invite (one per line)'));
 132
 133                 common_textarea('personal', _('Personal message'),
 134                                                 $this->trimmed('personal'),
 135                                                 _('Optionally add a personal message to the invitation.'));
 136
 137                 common_submit('preview', _('Preview'));
 138
 139                 common_element_end('form');
 140
 141                 common_show_footer();
 142         }
 143
 144         function send_invitation($email, $user) {
 145
 146                 $invite = new Invitation();
 147
 148                 $invite->address = $email;
 149                 $invite->address_type = 'email';
 150                 $invite->code = common_confirmation_code(128);
 151                 $invite->user_id = $user->id;
 152                 $invite->created = common_sql_now();
 153
 154                 if (!$invite->insert()) {
 155                         common_log_db_error($invite, 'INSERT', __FILE__);
 156                         return false;
 157                 }
 158
 159                 $recipients = array($email);
 160
 161                 $headers['From'] = mail_notify_from();
 162                 $headers['To'] = $email;
 163                 $headers['Subject'] = sprintf(_('%1$s has invited you to join them on %2$s'), $bestname, $sitename);
 164
 165                 $body = sprintf(_("%1$s has invited you to join them on %2$s (%3$s).\n\n".
 166                                                   "%2$s is a micro-blogging service that lets you keep up-to-date with people you know and people who interest you.\n\n".
 167                                                   "You can also share news about yourself, your thoughts, or your life online with people who know about you. "
 168                                                   "It's also great for meeting new people who share your interests.\n\n".
 169                                                   "%1$s said:\n\n%4$s\n\n".
 170                                                   "You can see %1$s's profile page on %2$s here:\n\n".
 171                                                   "%5$s\n\n".
 172                                                   "If you'd like to try the service, click on the link below to accept the invitation.\n\n".
 173                                                   "%6$s\n\n".
 174                                                   "If not, you can ignore this message. Thanks for your patience and your time.\n\n".
 175                                                   "Sincerely, %2$s\n"),
 176                                                 $bestname,
 177                                                 $sitename,
 178                                                 common_root_url(),
 179                                                 $personal,
 180                                                 common_local_url('showstream', array('nickname' => $user->nickname)),
 181                                                 common_local_url('register', array('code' => $invite->code)));
 182
 183                 mail_send($recipients, $headers, $body);
 184         }
 185
 186 }