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Editing: VacationHandler.php

<?php
# $Id$

class VacationHandler extends PFAHandler
{

/**
     * @var string
     */
    protected $db_table = 'vacation';

/**
     * @var string
     */
    protected $id_field = 'email';

/**
     * @var string
     */
    protected $domain_field = 'domain';

public function init(string $id) : bool
    {
        throw new \Exception('VacationHandler is not yet ready to be used with *Handler methods');
    }

/**
     * @return void
     */
    protected function initStruct()
    {
        $this->struct=array(
            # field name                allow       display in...   type    $PALANG label                     $PALANG description                 default / options / ...
            #                           editing?    form    list
            'email'            => pacol($this->new, 1,      1,      'text', 'pLogin_username'               , ''                                , '' ),
            'domain'           => pacol(1,          0,      0,      'text', ''                              , ''                                , '' ),
            'subject'          => pacol(1,          1,      0,      'text', 'pUsersVacation_subject'        , ''                                , '' ),
            'body'             => pacol(1,          1,      0,      'text', 'pUsersVacation_body'           , ''                                , '' ),
            'activefrom'       => pacol(1,          1,      1,      'text', 'pUsersVacation_activefrom'     , ''                                , '' ),
            'activeuntil'      => pacol(1,          1,      1,      'text', 'pUsersVacation_activeuntil'    , ''                                , '' ),
            'active'           => pacol(1,          1,      1,      'bool', 'active'                        , ''                                 , 1 ),
            'created'          => pacol(0,          0,      1,      'ts',   'created'                       , ''                                 ),
            'modified'         => pacol(0,          0,      1,      'ts',   'last_modified'                 , ''                                 ),
            # TODO: add virtual 'notified' column and allow to display who received a vacation response?
        );

if ( ! db_pgsql() ) {
            $this->struct['cache'] = pacol(0,       0,      0,      'text', ''                              , ''                                , '' );  # leftover from 2.2
        }
    }

/**
     * @return void
     */
    protected function initMsg()
    {
        $this->msg['error_already_exists'] = 'pCreate_mailbox_username_text_error1'; # TODO: better error message
        $this->msg['error_does_not_exist'] = 'pCreate_mailbox_username_text_error1'; # TODO: better error message
        $this->msg['confirm_delete'] = 'confirm_delete_vacation'; # unused?

if ($this->new) {
            $this->msg['logname'] = 'edit_vacation';
            $this->msg['store_error'] = 'pVacation_result_error';
            $this->msg['successmessage'] = 'pVacation_result_removed'; # TODO: or pVacation_result_added - depends on 'active'... -> we probably need a new message
        } else {
            $this->msg['logname'] = 'edit_vacation';
            $this->msg['store_error'] = 'pVacation_result_error';
            $this->msg['successmessage'] = 'pVacation_result_removed'; # TODO: or pVacation_result_added - depends on 'active'... -> we probably need a new message
        }
    }

/**
     * @return array
     */
    public function webformConfig()
    {
        return array(
            # $PALANG labels
            'formtitle_create' => 'pUsersVacation_welcome',
            'formtitle_edit' => 'pUsersVacation_welcome',
            'create_button' => 'save',

# various settings
            'required_role' => 'admin',
            'listview' => 'list-virtual.php',
            'early_init' => 1, # 0 for create-domain
        );
    }

protected function validate_new_id()
    {
        # vacation can only be enabled if a mailbox with this name exists
        if ($this->is_admin) {
            $handler = new MailboxHandler(0, $this->admin_username);
            if ($handler->init($this->id)) {
                return true;
            }
        } else {
            if ($this->id == $this->username) {
                return true;
            }
        }

# still here? This means the mailbox doesn't exist or the admin/user doesn't have permissions to view it
        $this->errormsg[] = Config::Lang('invalid_parameter');
        return false;
    }

/**
     * @return bool
     */
    public function delete()
    {
        $this->errormsg[] = '*** deletion not implemented yet ***';
        return false; # XXX function aborts here! XXX
    }

/**
     * @var string
     */
    protected $username;

/**
     * @param string $username
     */
    public function __construct($username)
    {
        $this->username = $username;
        $this->id = $username;
    }

/**
     * Removes the autoreply alias etc for this user; namely, if they're away we remove their vacation alias and
     * set the vacation table record to false.
     * @return boolean true on success.
     */
    public function remove()
    {
        if (!$this->updateAlias(0)) {
            return false;
        }

// tidy up vacation table.
        $vacation_data = array(
            'active' => db_get_boolean(false),
        );
        $result = db_update('vacation', 'email', $this->username, $vacation_data);
        $result = db_delete('vacation_notification', 'on_vacation', $this->username);
        # TODO db_log() call (maybe except if called from set_away?)
        /* crap error handling; oh for exceptions... */
        return true;
    }

/**
     * @return boolean true indicates this server supports vacation messages, and users are able to change their own.
     */
    public function vacation_supported()
    {
        return Config::bool('vacation') && Config::bool('vacation_control');
    }

/**
     * @return boolean true if on vacation, otherwise false
     * Why do we bother storing true/false in the vacation table if the alias dictates it anyway?
     */
    public function check_vacation()
    {
        $handler = new AliasHandler();

if (!$handler->init($this->id)) {
            # print_r($handler->errormsg); # TODO: error handling
            return false;
        }

if (!$handler->view()) {
            # print_r($handler->errormsg); # TODO: error handling
            return false;
        }

$result = $handler->result();

if ($result['on_vacation']) {
            return true;
        }
        return false;
    }

/**
     * Retrieve information on someone who is on vacation
     * @return array|boolean stored information on vacation - array(subject - string, message - string, active - boolean, activeFrom - date, activeUntil - date)
     * will return false if no existing data
     */
    public function get_details()
    {
        $table_vacation = table_by_key('vacation');

$sql = "SELECT * FROM $table_vacation WHERE email = :username";
        $result = db_query_all($sql, array('username' => $this->username));
        if (sizeof($result) != 1) {
            return false;
        }

$row = $result[0];

if (!is_array($row)) {
            return false;
        }
        $boolean = ($row['active'] == db_get_boolean(true));
        # TODO: only return true and store the db result array in $this->whatever for consistency with the other classes
        return array(
            'subject' => isset($row['subject']) ? $row['subject'] : null,
            'body' => isset($row['body']) ? $row['body'] : null,
            'active'  => $boolean,
            'interval_time' => isset($row['interval_time']) ? $row['interval_time'] : null,
            'activeFrom' => isset($row['activefrom']) ? $row['activefrom'] : null,
            'activeUntil' => isset($row['activeuntil']) ? $row['activeuntil'] : null
        );
    }
    /**
     * @param string $subject
     * @param string $body
     * @param int $interval_time
     * @param string $activeFrom - something strtotime understands
     * @param string $activeUntil - something strtotime understands
     * @return boolean
     */
    public function set_away($subject, $body, $interval_time, $activeFrom, $activeUntil)
    {
        $this->remove(); // clean out any notifications that might already have been sent.

if (preg_match('/^\d{4}-\d{2}-\d{2}$/', $activeFrom)) {
            $activeFrom .= ' 00:00:00';
        }
        if (preg_match('/^\d{4}-\d{2}-\d{2}$/', $activeUntil)) {
            $activeUntil .= ' 23:59:59';
        }

$activeFrom = date("Y-m-d H:i", strtotime($activeFrom)); # TODO check if result looks like a valid date
        $activeUntil = date("Y-m-d H:i", strtotime($activeUntil)); # TODO check if result looks like a valid date
        list(/*NULL*/, $domain) = explode('@', $this->username);

$vacation_data = array(
            'email' => $this->username,
            'domain' => $domain,
            'subject' => $subject,
            'body' => $body,
            'interval_time' => $interval_time,
            'active' => db_get_boolean(true),
            'activefrom' => $activeFrom,
            'activeuntil' => $activeUntil,
        );

if (! db_pgsql()) {
            $vacation_data['cache'] = '';  # leftover from 2.2
        }

// is there an entry in the vacaton table for the user, or do we need to insert?
        $table_vacation = table_by_key('vacation');
        $result = db_query_one("SELECT * FROM $table_vacation WHERE email = ?", array($this->username));
        if (!empty($result)) {
            $result = db_update('vacation', 'email', $this->username, $vacation_data);
        } else {
            $result = db_insert('vacation', $vacation_data);
        }
        # TODO error check
        # TODO wrap whole function in db_begin / db_commit (or rollback)?

return $this->updateAlias(1);
    }

/**
     * add/remove the vacation alias
     * @param int $vacationActive
     * @return boolean
     */
    protected function updateAlias($vacationActive)
    {
        $handler = new AliasHandler();

if (!$handler->init($this->id)) {
            # print_r($handler->errormsg); # TODO: error handling
            return false;
        }

$values = array(
            'on_vacation' => $vacationActive,
        );

if (!$handler->set($values)) {
            # print_r($handler->errormsg); # TODO: error handling
            return false;
        }

# TODO: supress logging in AliasHandler if called from VacationHandler (VacationHandler should log itsself)

if (!$handler->save()) {
            print_r($handler->errormsg); # TODO: error handling
            return false;
        }

# still here? then everything worked
        return true;
    }
}
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