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Commit 1e73ba00 authored by Zach Copley's avatar Zach Copley

Merge branch 'qna' into 1.0.x

* qna:
  Some work towards allowing revisions
  Make new answers work
  More plumbing
  Work on QnA notice display -- in progress
  * Move stuff around again * Make answers save
  * Fix plugin filename * Make questions save!
  Renamed QuestionAndAnswerPlugin to QnAPlugin
  Most objects and forms are in place, now I just have to make it work.
  Skeleton / Stub for Question and Answers micro-app plugin
parents 4ac471f3 9cea8506
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Microapp plugin for Questions and Answers
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category QnA
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Question and Answer plugin
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class QnAPlugin extends MicroAppPlugin
{
/**
* Set up our tables (question and answer)
*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
$schema->ensureTable('qna_question', QnA_Question::schemaDef());
$schema->ensureTable('qna_answer', QnA_Answer::schemaDef());
$schema->ensureTable('qna_vote', QnA_Vote::schemaDef());
return true;
}
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'QnanewquestionAction':
case 'QnanewanswerAction':
case 'QnashowquestionAction':
case 'QnashowanswerAction':
case 'QnareviseanswerAction':
case 'QnavoteAction':
include_once $dir . '/actions/'
. strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
case 'QnaquestionForm':
case 'QnaanswerForm':
case 'QnareviseanswerForm':
case 'QnavoteForm':
include_once $dir . '/lib/' . strtolower($cls).'.php';
break;
case 'QnA_Question':
case 'QnA_Answer':
case 'QnA_Vote':
include_once $dir . '/classes/' . $cls.'.php';
return false;
break;
default:
return true;
}
}
/**
* Map URLs to actions
*
* @param Net_URL_Mapper $m path-to-action mapper
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onRouterInitialized($m)
{
$UUIDregex = '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}';
$m->connect(
'main/qna/newquestion',
array('action' => 'qnanewquestion')
);
$m->connect(
'main/qna/newanswer',
array('action' => 'qnanewanswer')
);
$m->connect(
'question/vote/:id',
array('action' => 'qnavote', 'type' => 'question'),
array('id' => $UUIDregex)
);
$m->connect(
'question/:id',
array('action' => 'qnashowquestion'),
array('id' => $UUIDregex)
);
$m->connect(
'answer/vote/:id',
array('action' => 'qnavote', 'type' => 'answer'),
array('id' => $UUIDregex)
);
$m->connect(
'answer/:id',
array('action' => 'qnashowanswer'),
array('id' => $UUIDregex)
);
return true;
}
function onPluginVersion(&$versions)
{
$versions[] = array(
'name' => 'QnA',
'version' => STATUSNET_VERSION,
'author' => 'Zach Copley',
'homepage' => 'http://status.net/wiki/Plugin:QnA',
'description' =>
_m('Question and Answers micro-app.')
);
return true;
}
function appTitle() {
return _m('Question');
}
function tag() {
return 'question';
}
function types() {
return array(
QnA_Question::OBJECT_TYPE,
QnA_Answer::OBJECT_TYPE
);
}
/**
* Given a parsed ActivityStreams activity, save it into a notice
* and other data structures.
*
* @param Activity $activity
* @param Profile $actor
* @param array $options=array()
*
* @return Notice the resulting notice
*/
function saveNoticeFromActivity($activity, $actor, $options=array())
{
if (count($activity->objects) != 1) {
throw new Exception('Too many activity objects.');
}
$questionObj = $activity->objects[0];
if ($questinoObj->type != QnA_Question::OBJECT_TYPE) {
throw new Exception('Wrong type for object.');
}
$notice = null;
switch ($activity->verb) {
case ActivityVerb::POST:
$notice = QnA_Question::saveNew(
$actor,
$questionObj->title,
$questionObj->summary,
$options
);
break;
case Answer::ObjectType:
$question = QnA_Question::staticGet('uri', $questionObj->id);
if (empty($question)) {
// FIXME: save the question
throw new Exception("Answer to unknown question.");
}
$notice = QnA_Answer::saveNew($actor, $question, $options);
break;
default:
throw new Exception("Unknown object type received by QnA Plugin");
}
return $notice;
}
/**
* Turn a Notice into an activity object
*
* @param Notice $notice
*
* @return ActivityObject
*/
function activityObjectFromNotice($notice)
{
$question = null;
switch ($notice->object_type) {
case QnA_Question::OBJECT_TYPE:
$question = QnA_Question::fromNotice($notice);
break;
case QnA_Answer::OBJECT_TYPE:
$answer = QnA_Answer::fromNotice($notice);
$question = $answer->getQuestion();
break;
}
if (empty($question)) {
throw new Exception("Unknown object type.");
}
$notice = $question->getNotice();
if (empty($notice)) {
throw new Exception("Unknown question notice.");
}
$obj = new ActivityObject();
$obj->id = $question->uri;
$obj->type = QnA_Question::OBJECT_TYPE;
$obj->title = $question->title;
$obj->link = $notice->bestUrl();
// XXX: probably need other stuff here
return $obj;
}
/**
* Change the verb on Answer notices
*
* @param Notice $notice
*
* @return ActivityObject
*/
function onEndNoticeAsActivity($notice, &$act) {
switch ($notice->object_type) {
case Answer::NORMAL:
case Answer::ANONYMOUS:
$act->verb = $notice->object_type;
break;
}
return true;
}
/**
* Custom HTML output for our notices
*
* @param Notice $notice
* @param HTMLOutputter $out
*/
function showNotice($notice, $out)
{
switch ($notice->object_type) {
case QnA_Question::OBJECT_TYPE:
return $this->showNoticeQuestion($notice, $out);
case QnA_Answer::OBJECT_TYPE:
return $this->showNoticeAnswer($notice, $out);
default:
// TRANS: Exception thrown when performing an unexpected action on a question.
// TRANS: %s is the unpexpected object type.
throw new Exception(
sprintf(
_m('Unexpected type for QnA plugin: %s.'),
$notice->object_type
)
);
}
}
function showNoticeQuestion($notice, $out)
{
$user = common_current_user();
// @hack we want regular rendering, then just add stuff after that
$nli = new NoticeListItem($notice, $out);
$nli->showNotice();
$out->elementStart('div', array('class' => 'entry-content question-content'));
$question = QnA_Question::getByNotice($notice);
if ($question) {
if ($user) {
$profile = $user->getProfile();
$answer = $question->getAnswer($profile);
if ($answer) {
// User has already answer; show the results.
$form = new QnareviseanswerForm($answer, $out);
} else {
$form = new QnaanswerForm($question, $out);
}
$form->show();
}
} else {
$out->text(_m('Question data is missing'));
}
$out->elementEnd('div');
// @fixme
$out->elementStart('div', array('class' => 'entry-content'));
}
function showNoticeAnswer($notice, $out)
{
$user = common_current_user();
// @hack we want regular rendering, then just add stuff after that
$nli = new NoticeListItem($notice, $out);
$nli->showNotice();
// @fixme
$out->elementStart('div', array('class' => 'entry-content'));
}
/**
* Form for our app
*
* @param HTMLOutputter $out
* @return Widget
*/
function entryForm($out)
{
return new QnaquestionForm($out);
}
/**
* When a notice is deleted, clean up related tables.
*
* @param Notice $notice
*/
function deleteRelated($notice)
{
switch ($notice->object_type) {
case QnA_Question::OBJECT_TYPE:
common_log(LOG_DEBUG, "Deleting question from notice...");
$question = QnA_Question::fromNotice($notice);
$question->delete();
break;
case QnA_Answer::OBJECT_TYPE:
common_log(LOG_DEBUG, "Deleting answer from notice...");
$answer = QnA_Answer::fromNotice($notice);
common_log(LOG_DEBUG, "to delete: $answer->id");
$answer->delete();
break;
default:
common_log(LOG_DEBUG, "Not deleting related, wtf...");
}
}
function onEndShowScripts($action)
{
// XXX maybe some cool shiz here
}
function onEndShowStyles($action)
{
$action->cssLink($this->path('css/qna.css'));
return true;
}
}
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Answer a question
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category QuestonAndAnswer
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Answer a question
*
* @category QnA
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class QnanewanswerAction extends Action
{
protected $user = null;
protected $error = null;
protected $complete = null;
protected $question = null;
protected $content = null;
/**
* Returns the title of the action
*
* @return string Action title
*/
function title()
{
// TRANS: Page title for and answer to a question.
return _m('Answer');
}
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
parent::prepare($argarray);
if ($this->boolean('ajax')) {
StatusNet::setApi(true);
}
$this->user = common_current_user();
if (empty($this->user)) {
// TRANS: Client exception thrown trying to answer a question while not logged in.
throw new ClientException(
_m("You must be logged in to answer to a question."),
403
);
}
if ($this->isPost()) {
$this->checkSessionToken();
}
$id = substr($this->trimmed('id'), 9);
common_debug("XXXXXXXXXXXXXXXXXX id = " . $id);
$this->question = QnA_Question::staticGet('id', $id);
if (empty($this->question)) {
// TRANS: Client exception thrown trying to respond to a non-existing question.
throw new ClientException(
_m('Invalid or missing question.'),
404
);
}
$this->answerText = $this->trimmed('answer');
return true;
}
/**
* Handler method
*
* @param array $argarray is ignored since it's now passed in in prepare()
*
* @return void
*/
function handle($argarray=null)
{
parent::handle($argarray);
if ($this->isPost()) {
$this->newAnswer();
} else {
$this->showPage();
}
return;
}
/**
* Add a new answer
*
* @return void
*/
function newAnswer()
{
try {
$notice = QnA_Answer::saveNew(
$this->user->getProfile(),
$this->question,
$this->answerText
);
} catch (ClientException $ce) {
$this->error = $ce->getMessage();
$this->showPage();
return;
}
if ($this->boolean('ajax')) {
common_debug("ajaxy part");
header('Content-Type: text/xml;charset=utf-8');
$this->xw->startDocument('1.0', 'UTF-8');
$this->elementStart('html');
$this->elementStart('head');
// TRANS: Page title after sending an answer.
$this->element('title', null, _m('Answers'));
$this->elementEnd('head');
$this->elementStart('body');
$this->raw()
$this->elementEnd('body');
$this->elementEnd('html');
} else {
common_redirect($this->question->bestUrl(), 303);
}
}
/**
* Show the Answer form
*
* @return void
*/
function showContent()
{
if (!empty($this->error)) {
$this->element('p', 'error', $this->error);
}
$form = new QnaanswerForm($this->question, $this);
$form->show();
return;
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
$_SERVER['REQUEST_METHOD'] == 'HEAD') {
return true;
} else {
return false;
}
}
}
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Add a new Question
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of