ktdiscussion.php

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            }
        }

        // Thread and comment created correctly, commit to database
        $this->commitTransaction();

        $this->successRedirectToMain(_kt("New thread created"), sprintf('fDocumentId=%d', $this->oDocument->getId()));
        exit(0);
    }

    function do_viewthread() {
        $iThreadId = KTUtil::arrayGet($_REQUEST, 'fThreadId');
        $oThread = DiscussionThread::get($iThreadId);

        if (PEAR::isError($oThread) || empty($oThread)) {
            return null;
        }

        $iCommentId = $oThread->getFirstCommentId();
        $oComment = DiscussionComment::get($iCommentId);

        // breadcrumbs...
        $this->aBreadcrumbs[] = array(
            'name' => _kt('discussion'),
            'query' => sprintf('fDocumentId=%d', $this->oDocument->getId()),
        );
        $this->aBreadcrumbs[] = array(
            'name' => $oComment->getSubject(),
        );
        $this->oPage->setBreadcrumbDetails(_kt("viewing comments"));

        $oTemplate =& $this->oValidator->validateTemplate('ktstandard/action/discussion_thread');

        // Fields for new thread creation
        $replyFields = array();
        $replyFields[] = new KTStringWidget(_kt("Subject"), _kt("The topic of discussion in this thread"), "subject", "", $this->oPage, true);
        $replyFields[] = new KTTextWidget(_kt("Body"), _kt("Your contribution to the discussion in this thread"), "body", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 10));

        // Fields for closing thread (if user has workflow permission)
        $closeFields = array();
        $oPermission =& KTPermission::getByName('ktcore.permissions.workflow');

        if (!PEAR::isError($oPermission) && KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument) && $oThread->getState() != DISCUSSION_CLOSED) {
	    $aOptions = array('vocab' => $this->_buildStates($oThread));
	    $closeFields[] = new KTLookupWidget(_kt("State"), _kt("Select the state to move this discussion into"), "state", "", $this->oPage, true, null, null, $aOptions);
	    $closeFields[] = new KTTextWidget(_kt("Reason"), _kt("Describe the reason for the state change, or the conclusion reached through discussion"), "reason", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 5));
        }

        // increment views
        $oThread->incrementNumberOfViews();
        $oThread->update();

        $aTemplateData = array(
            'context' => &$this,
            'replyfields' => $replyFields,
            'closefields' => $closeFields,
            'thread' => $oThread,
            'commentrenderer' => new KTCommentListRenderer(),
        );

        return $oTemplate->render($aTemplateData);
    }

    function do_postreply() {
        $aErrorOptions = array(
            'redirect_to' => array('main', sprintf('fDocumentId=%d', $this->oDocument->getId())),
        );
        $iThreadId = KTUtil::arrayGet($_REQUEST, 'fThreadId');
        $oThread = DiscussionThread::get($iThreadId);

        $this->oValidator->notError($oThread, $aErrorOptions);

        $aErrorOptions = array(
            'redirect_to' => array('viewthread', sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId())),
        );


        $aErrorOptions['message'] = _kt("No subject provided");
        $sSubject = KTUtil::arrayGet($_REQUEST, 'subject');
        $sSubject = $this->oValidator->validateString($sSubject, $aErrorOptions);

        $aErrorOptions['message'] = _kt("No body provided");
        $sBody = KTUtil::arrayGet($_REQUEST, 'body');
        $sBody = $this->oValidator->validateString($sBody, $aErrorOptions);

        // Start the transaction comment creation
        $this->startTransaction();

        // Create comment
        $oComment = DiscussionComment::createFromArray(array(
            'threadid' => $oThread->getId(),
            'userid' => $this->oUser->getId(),
            'subject' => $sSubject,
            'body' => KTUtil::formatPlainText($sBody),
        ));
        $aErrorOptions['message'] = _kt("There was an error adding the comment to the thread");
        $this->oValidator->notError($oComment, $aErrorOptions);

        // Update thread
        $oThread->setLastCommentId($oComment->getId());
        $oThread->incrementNumberOfReplies();

        $res = $oThread->update();

        // add to searchable_text.
        $sTable = KTUtil::getTableName('comment_searchable_text');
        $aSearch = array(
            'comment_id' => $oComment->getId(),
            'document_id' => $this->oDocument->getId(),
            'body' => sprintf("%s %s", KTUtil::formatPlainText($sBody), $sSubject),
        );
        DBUtil::autoInsert($sTable,
            $aSearch,
            array('noid' => true));

        $aErrorOptions['message'] = _kt("There was an error updating the thread with the new comment");
        $this->oValidator->notError($res, $aErrorOptions);

        $oKTTriggerRegistry = KTTriggerRegistry::getSingleton();
        $aTriggers = $oKTTriggerRegistry->getTriggers('discussion', 'postValidate');
        foreach ($aTriggers as $aTrigger) {
            $sTrigger = $aTrigger[0];
            $oTrigger = new $sTrigger;
            $aInfo = array(
                "document" => $this->oDocument,
                "comment" => $oComment,
            );
            $oTrigger->setInfo($aInfo);
            $ret = $oTrigger->postValidate();
            if (PEAR::isError($ret)) {
                $this->oValidator->notError($res, $aErrorOptions);
            }
        }

        // Thread and comment created correctly, commit to database
        $this->commitTransaction();

        $this->successRedirectTo('viewThread', _kt("Reply posted"), sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId()));
        exit(0);
    }

    function do_changestate() {
        $aErrorOptions = array(
            'redirect_to' => array('main', sprintf('fDocumentId=%d', $this->oDocument->getId())),
        );

        $iThreadId = KTUtil::arrayGet($_REQUEST, 'fThreadId');
        $oThread = DiscussionThread::get($iThreadId);
        $this->oValidator->notError($oThread, $aErrorOptions);

        $aErrorOptions = array(
            'redirect_to' => array('viewthread', sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId())),
        );

        $oPermission =& KTPermission::getByName('ktcore.permissions.workflow');
	    $sRedirectTo = implode('&', $aErrorOptions['redirect_to']);

        if (PEAR::isError($oPermission)) {
            $this->errorRedirectTo($sRedirectTo, _kt("Error getting permission"));
	    exit(0);
        }
        if (!KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument)) {
            $this->errorRedirectTo($sRedirectTo, _kt("You do not have permission to close this thread"));
	    exit(0);
        }

    	$iStateId = KTUtil::arrayGet($_REQUEST, 'state');
    	if(!in_array($iStateId, $this->aTransitions[$oThread->getState()])) {
    	    $this->errorRedirectTo($sRedirectTo, _kt("Invalid transition"));
    	    exit(0);
    	}

    	$aErrorOptions['message'] = _kt("No reason provided");
    	$sReason = $this->oValidator->validateString(KTUtil::arrayGet($_REQUEST, 'reason'), $aErrorOptions);

    	if($iStateId > $oThread->getState()) {
    	    $sTransactionNamespace = 'ktcore.transactions.collaboration_step_approve';
    	} else {
    	    $sTransactionNamespace = 'ktcore.transactions.collaboration_step_rollback';
    	}

        // Start the transaction comment creation
        $this->startTransaction();

        $oThread->setState($iStateId);
    	if($iStateId == DISCUSSION_CLOSED) {
    	    $oThread->setCloseMetadataVersion($this->oDocument->getMetadataVersion());
    	} else if($iStateId == DISCUSSION_CONCLUSION) {
    	    $oThread->setCloseReason($sReason);
    	}

        $oDocumentTransaction = new DocumentTransaction($this->oDocument, $sReason, $sTransactionNamespace);
        $oDocumentTransaction->create();

        $res = $oThread->update();

        $aErrorOptions['message'] = _kt("There was an error updating the thread with the new comment");
        $this->oValidator->notError($res, $aErrorOptions);

        // Thread closed correctly, so commit
        $this->commitTransaction();

        $this->successRedirectTo('viewThread', _kt("Thread state changed"), sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId()));
        exit(0);
    }

    function &_buildStates(&$oThread) {
	$iCurState = $oThread->getState();
	$aTransitions = $this->aTransitions[$iCurState];

	$aVocab = array();

	foreach($aTransitions as $iTransition) {
	    $aVocab[$iTransition] = $this->aStateNames[$iTransition];
	}
	return $aVocab;
    }

    function _getStateName($iStateId) {
	return KTUtil::arrayGet($this->aStateNames, $iStateId, 'Unnamed state');
    }


}
?>