ktdocumentactions.php

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        $aOptions = array();
        $iVersion = KTUtil::arrayGet($_REQUEST, 'version');
        if ($iVersion) {
            $oVersion = KTDocumentContentVersion::get($iVersion);
            $aOptions['version'] = sprintf('%d.%d', $oVersion->getMajorVersionNumber(), $oVersion->getMinorVersionNumber());
            $res = $oStorage->downloadVersion($this->oDocument, $iVersion);
        } else {
            $res = $oStorage->download($this->oDocument);
        }

        if ($res === false) {
            $this->addErrorMessage(_kt('The file you requested is not available - please contact the system administrator if this is incorrect.'));
            redirect(generateControllerLink('viewDocument',sprintf(_kt('fDocumentId=%d'),$this->oDocument->getId())));
            exit(0);
        }

        $oDocumentTransaction = & new DocumentTransaction($this->oDocument, _kt('Document downloaded'), 'ktcore.transactions.download', $aOptions);
        $oDocumentTransaction->create();

        // fire subscription alerts for the downloaded document
        $oKTConfig =& KTConfig::getSingleton();
        $bNotifications = ($oKTConfig->get('export/enablenotifications', 'on') == 'on') ? true : false;
        if($bNotifications){
            $oSubscriptionEvent = new SubscriptionEvent();
            $oFolder = Folder::get($this->oDocument->getFolderID());
            $oSubscriptionEvent->DownloadDocument($this->oDocument, $oFolder);
        }

        exit(0);
    }
}
// }}}

// {{{ KTDocumentCheckOutAction
class KTDocumentCheckOutAction extends KTDocumentAction {
    var $sName = 'ktcore.actions.document.checkout';

    var $_sShowPermission = 'ktcore.permissions.write';

    var $_bMutator = true;
    var $_bMutationAllowedByAdmin = false;
    var $sIconClass = 'checkout';

    function getDisplayName() {
        return _kt('Checkout');
    }

    function getInfo() {
        if ($this->oDocument->getIsCheckedOut()) {
            return null;
        }

        return parent::getInfo();
    }

    function check() {
        $res = parent::check();
        if ($res !== true) {
            return $res;
        }
        // since we actually check the doc out, then download it ...
        if (($_REQUEST[$this->event_var] == 'checkout_final') && ($this->oDocument->getCheckedOutUserID() == $_SESSION['userID'])) {
             return true;
        }

        // "normal".
        if ($this->oDocument->getIsCheckedOut()) {
            $_SESSION['KTErrorMessage'][] = _kt('This document is already checked out');
            controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
            exit(0);
        }
        return true;
    }

    function form_checkout() {
        $oForm = new KTForm;
        $oForm->setOptions(array(
            'label' => _kt('Checkout'),
            'action' => 'checkout',
            'fail_action' => 'main',
            'cancel_url' => KTBrowseUtil::getUrlForDocument($this->oDocument),
            'submit_label' => _kt('Checkout document'),
            'context' => &$this,
        ));
        $oForm->setWidgets(array(
            array('ktcore.widgets.reason', array(
                'label' => _kt('Reason'),
                'description' => _kt('Please specify why you are checking out this document.  It will assist other users in understanding why you have locked this file.  Please bear in mind that you can use a maximum of <strong>250</strong> characters.'),
                'name' => 'reason',
            )),
            array('ktcore.widgets.boolean', array(
                'label' => _kt('Download File'),
                'description' => _kt('Indicate whether you would like to download this file as part of the checkout.'),
                'name' => 'download_file',
                'value' => true,
            )),
        ));
        $oForm->setValidators(array(
            array('ktcore.validators.string', array(
                'test' => 'reason',
                'max_length' => 250,
                'output' => 'reason',
            )),
            array('ktcore.validators.boolean', array(
                'test' => 'download_file',
                'output' => 'download_file',
            )),
        ));

        return $oForm;
    }

    function do_main() {
        $this->oPage->setBreadcrumbDetails(_kt('checkout'));
        $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/checkout');

        $oForm = $this->form_checkout();

        $oTemplate->setData(array(
            'context' => &$this,
            'form' => $oForm,
        ));
        return $oTemplate->render();
    }

    function do_checkout() {

        $oForm = $this->form_checkout();
        $res = $oForm->validate();
        if (!empty($res['errors'])) {
            return $oForm->handleError();
        }

        $data = $res['results'];

        $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/checkout_final');
        $sReason = $data['reason'];

        $this->startTransaction();
        $res = KTDocumentUtil::checkout($this->oDocument, $sReason, $this->oUser);
        if (PEAR::isError($res)) {
            return $this->errorRedirectToMain(sprintf(_kt('Failed to check out the document: %s'), $res->getMessage()));
        }



        $this->commitTransaction();

        if (!$data['download_file']) {
            $this->addInfoMessage(_kt('Document checked out.'));
            redirect(KTBrowseUtil::getUrlForDocument($this->oDocument));
            exit(0);
        }

        $oTemplate->setData(array(
            'context' => &$this,
            'reason' => $sReason,
        ));
        return $oTemplate->render();
    }

    function do_checkout_final() {
        $sReason = KTUtil::arrayGet($_REQUEST, 'reason');
        $this->oValidator->notEmpty($sReason);

        $oKTTriggerRegistry = KTTriggerRegistry::getSingleton();
        $aTriggers = $oKTTriggerRegistry->getTriggers('checkoutDownload', 'postValidate');
        foreach ($aTriggers as $aTrigger) {
            $sTrigger = $aTrigger[0];
            $oTrigger = new $sTrigger;
            $aInfo = array(
                'document' => $oDocument,
            );
            $oTrigger->setInfo($aInfo);
            $ret = $oTrigger->postValidate();
            if (PEAR::isError($ret)) {
                return $ret;
            }
        }

        $oStorage =& KTStorageManagerUtil::getSingleton();
        $oStorage->download($this->oDocument, true);
        exit(0);
    }
}
// }}}

// {{{ KTDocumentCheckInAction
class KTDocumentCheckInAction extends KTDocumentAction {
    var $sName = 'ktcore.actions.document.checkin';

    var $_sShowPermission = 'ktcore.permissions.write';
    var $sIconClass = 'checkin';

    function getDisplayName() {
        return _kt('Checkin');
    }

    function getButton() {
        $btn = array();
        $btn['display_text'] = _kt('Check Document In');
        $btn['arrow_class'] = 'arrow_upload';
        return $btn;
    }

    function getInfo() {
        if (!$this->oDocument->getIsCheckedOut()) {
            return null;
        }

        if ($this->oDocument->getCheckedOutUserID() != $this->oUser->getId()) {
            return null;
        }
        return parent::getInfo();
    }

    function check() {
        $res = parent::check();
        if ($res !== true) {
            return $res;
        }
        $postExpected = KTUtil::arrayGet($_REQUEST, 'postExpected');
        $postReceived = KTUtil::arrayGet($_REQUEST, 'postReceived');
        if (!empty($postExpected)) {
            $aErrorOptions = array(
                'redirect_to' => array('main', sprintf('fDocumentId=%d', $this->oDocument->getId())),
                'message' => sprintf(_kt('Upload larger than maximum POST size: %s (post_max_size variable in .htaccess or php.ini)'), ini_get('post_max_size')),
            );
            $this->oValidator->notEmpty($postReceived, $aErrorOptions);
        }
        if (!$this->oDocument->getIsCheckedOut()) {
            $_SESSION['KTErrorMessage'][] = _kt('This document is not checked out');
            controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
            exit(0);
        }
        if ($this->oDocument->getCheckedOutUserID() != $this->oUser->getId()) {
            $_SESSION['KTErrorMessage'][] = _kt('This document is checked out, but not by you');
            controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
            exit(0);
        }
        return true;
    }


    function form_main() {
        $oForm = new KTForm;
        $oForm->setOptions(array(
            'label' => _kt('Checkin Document'),
            'action' => 'checkin',
            'actionparams' => 'postExpected=1&fDocumentId='.$this->oDocument->getId(),
            'fail_action' => 'main',
            'cancel_url' => KTBrowseUtil::getUrlForDocument($this->oDocument),
            'submit_label' => _kt('Checkin'),
            'context' => &$this,
            'file_upload' => true,         // otherwise the post is not received.
        ));

        $major_inc = sprintf('%d.%d', $this->oDocument->getMajorVersionNumber()+1, 0);
        $minor_inc = sprintf('%d.%d', $this->oDocument->getMajorVersionNumber(), $this->oDocument->getMinorVersionNumber()+1);

        // Set the widgets for the form
        $aWidgets = array(
            array('ktcore.widgets.file', array(
                'label' => _kt('File'),
                'description' => sprintf(_kt('Please specify the file you wish to upload.  Unless you also indicate that you are changing its filename (see "Force Original Filename" below), this will need to be called <strong>%s</strong>'), htmlentities($this->oDocument->getFilename(),ENT_QUOTES,'UTF-8')),
                'name' => 'file',
                'basename' => 'file',
                'required' => true,
            )),
            array('ktcore.widgets.boolean',array(
                'label' => _kt('Major Update'),
                'description' => sprintf(_kt('If this is checked, then the document\'s version number will be increased to %s.  Otherwise, it will be considered a minor update, and the version number will be %s.'), $major_inc, $minor_inc),
                'name' => 'major_update',
                'value' => false,
            )),
            array('ktcore.widgets.reason', array(
                'label' => _kt('Reason'),
                'description' => _kt('Please describe the changes you made to the document.  Bear in mind that you can use a maximum of <strong>250</strong> characters.'),
                'name' => 'reason',
            )),
        );

        // Set the validators for the widgets
        $aValidators = array(
            array('ktcore.validators.string', array(
                'test' => 'reason',
                'max_length' => 250,
                'output' => 'reason',
            )),
            array('ktcore.validators.boolean', array(
                'test' => 'major_update',
                'output' => 'major_update',
            )),
            array('ktcore.validators.file', array(
                'test' => 'file',
                'output' => 'file',
            )),
        );

        // Add the "Force Original Filename" option if applicable
        global $default;
        if(!$default->disableForceFilenameOption){
            $aWidgets[] = array('ktcore.widgets.boolean',array(
                'label' => _kt('Force Original Filename'),
                'description' => sprintf(_kt('If this is checked, the uploaded document must have the same filename as the original: <strong>%s</strong>'), htmlentities($this->oDocument->getFilename(),ENT_QUOTES,'UTF-8')),
                'name' => 'forcefilename',
                'value' => true,
            ));

            $aValidators[] = array('ktcore.validators.boolean', array(
                'test' => 'forcefilename',
                'output' => 'forcefilename',
            ));
        }

        // Add widgets and validators to the form
        $oForm->setWidgets($aWidgets);
        $oForm->setValidators($aValidators);
        return $oForm;
    }


    function do_main() {
        $this->oPage->setBreadcrumbDetails(_kt('Checkin'));
        $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/checkin');

        $oForm = $this->form_main();

        $oTemplate->setData(array(
            'context' => &$this,
            'form' => $oForm,
        ));
        return $oTemplate->render();
    }

    function do_checkin() {
        $oForm = $this->form_main();
        $res = $oForm->validate();
        $data = $res['results'];

        $extra_errors = array();