forked from GNUsocial/gnu-social
346 lines
9.3 KiB
PHP
346 lines
9.3 KiB
PHP
<?php
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/**
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* Data class to mark a notice as a question
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*
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* PHP version 5
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*
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* @category QnA
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* For storing a question
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*
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* @category QnA
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* @see DB_DataObject
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*/
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class QnA_Question extends Managed_DataObject
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{
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const OBJECT_TYPE = 'http://activityschema.org/object/question';
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public $__table = 'qna_question'; // table name
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public $id; // char(36) primary key not null -> UUID
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public $uri;
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public $profile_id; // int -> profile.id
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public $title; // text
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public $description; // text
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public $closed; // int (boolean) whether a question is closed
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public $created; // datetime
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/**
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* Get an instance by key
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*
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* This is a utility method to get a single instance with a given key value.
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*
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* @param string $k Key to use to lookup
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* @param mixed $v Value to lookup
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*
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* @return QnA_Question object found, or null for no hits
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*
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*/
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function staticGet($k, $v=null)
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{
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return Memcached_DataObject::staticGet('QnA_Question', $k, $v);
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}
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/**
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* Get an instance by compound key
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*
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* This is a utility method to get a single instance with a given set of
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* key-value pairs. Usually used for the primary key for a compound key; thus
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* the name.
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*
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* @param array $kv array of key-value mappings
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*
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* @return Bookmark object found, or null for no hits
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*
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*/
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function pkeyGet($kv)
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{
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return Memcached_DataObject::pkeyGet('QnA_Question', $kv);
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}
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/**
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* The One True Thingy that must be defined and declared.
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*/
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public static function schemaDef()
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{
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return array(
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'description' => 'Per-notice question data for QNA plugin',
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'fields' => array(
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'id' => array(
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'type' => 'char',
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'length' => 36,
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'not null' => true,
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'description' => 'UUID'
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),
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'uri' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => true
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),
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'profile_id' => array('type' => 'int'),
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'title' => array('type' => 'text'),
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'closed' => array('type' => 'int', 'size' => 'tiny'),
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'description' => array('type' => 'text'),
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'created' => array(
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'type' => 'datetime',
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'not null' => true
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),
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),
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'primary key' => array('id'),
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'unique keys' => array(
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'question_uri_key' => array('uri'),
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),
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);
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}
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/**
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* Get a question based on a notice
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*
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* @param Notice $notice Notice to check for
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*
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* @return Question found question or null
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*/
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function getByNotice($notice)
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{
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return self::staticGet('uri', $notice->uri);
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}
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function getNotice()
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{
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return Notice::staticGet('uri', $this->uri);
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}
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function bestUrl()
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{
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return $this->getNotice()->bestUrl();
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}
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function getProfile()
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{
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$profile = Profile::staticGet('id', $this->profile_id);
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if (empty($profile)) {
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throw new Exception("No profile with ID {$this->profile_id}");
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}
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return $profile;
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}
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/**
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* Get the answer from a particular user to this question, if any.
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*
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* @param Profile $profile
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*
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* @return Answer object or null
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*/
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function getAnswer(Profile $profile)
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{
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$a = new QnA_Answer();
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$a->question_id = $this->id;
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$a->profile_id = $profile->id;
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$a->find();
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if ($a->fetch()) {
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return $a;
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} else {
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return null;
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}
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}
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function getAnswers()
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{
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$a = new QnA_Answer();
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$a->question_id = $this->id;
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$cnt = $a->find();
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if (!empty($cnt)) {
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return $a;
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} else {
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return null;
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}
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}
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function countAnswers()
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{
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$a = new QnA_Answer();
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$a->question_id = $this->id;
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return $a-count();
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}
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static function fromNotice($notice)
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{
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return QnA_Question::staticGet('uri', $notice->uri);
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}
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function asHTML()
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{
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return self::toHTML(
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$this->getProfile(),
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$this,
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$this->getAnswers()
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);
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}
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function asString()
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{
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return self::toString(
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$this->getProfile(),
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$this,
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$this->getAnswers()
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);
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}
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static function toHTML($profile, $question, $answer)
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{
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$notice = $question->getNotice();
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$fmt = '<div class="qna_question">';
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$fmt .= '<span class="question_title"><a href="%1s">%2s</a></span>';
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$fmt .= '<span class="question_description">%3s</span>';
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$fmt .= '<span class="question_author">asked by <a href="%4s">%5s</a></span>';
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$fmt .= '</div>';
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$q = sprintf(
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$fmt,
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htmlspecialchars($notice->bestUrl()),
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htmlspecialchars($question->title),
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htmlspecialchars($question->description),
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htmlspecialchars($profile->profileurl),
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htmlspecialchars($profile->getBestName())
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);
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$ans = array();
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$ans[] = '<div class="qna_answers">';
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while($answer->fetch()) {
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$ans[] = $answer->asHTML();
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}
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$ans[] .= '</div>';
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return $q . implode($ans);
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}
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static function toString($profile, $question, $answers)
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{
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$fmt = _(
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'%1s asked the question "%2s": %3s'
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);
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return sprintf(
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$fmt,
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htmlspecialchars($profile->getBestName()),
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htmlspecialchars($question->title),
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htmlspecialchars($question->description)
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);
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}
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/**
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* Save a new question notice
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*
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* @param Profile $profile
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* @param string $question
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* @param string $title
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* @param string $description
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* @param array $option // and whatnot
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*
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* @return Notice saved notice
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*/
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static function saveNew($profile, $title, $description, $options = array())
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{
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$q = new QnA_Question();
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$q->id = UUID::gen();
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$q->profile_id = $profile->id;
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$q->title = $title;
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$q->description = $description;
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if (array_key_exists('created', $options)) {
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$q->created = $options['created'];
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} else {
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$q->created = common_sql_now();
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}
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if (array_key_exists('uri', $options)) {
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$q->uri = $options['uri'];
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} else {
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$q->uri = common_local_url(
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'qnashowquestion',
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array('id' => $q->id)
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);
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}
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common_log(LOG_DEBUG, "Saving question: $q->id $q->uri");
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$q->insert();
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// TRANS: Notice content creating a question.
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// TRANS: %1$s is the title of the question, %2$s is a link to the question.
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$content = sprintf(
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_m('question: %1$s %2$s'),
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$title,
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$q->uri
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);
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$link = '<a href="' . htmlspecialchars($q->uri) . '">' . htmlspecialchars($title) . '</a>';
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// TRANS: Rendered version of the notice content creating a question.
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// TRANS: %s a link to the question as link description.
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$rendered = sprintf(_m('Question: %s'), $link);
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$tags = array('question');
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$replies = array();
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$options = array_merge(
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array(
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'urls' => array(),
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'rendered' => $rendered,
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'tags' => $tags,
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'replies' => $replies,
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'object_type' => self::OBJECT_TYPE
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),
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$options
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);
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if (!array_key_exists('uri', $options)) {
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$options['uri'] = $q->uri;
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}
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$saved = Notice::saveNew(
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$profile->id,
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$content,
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array_key_exists('source', $options) ?
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$options['source'] : 'web',
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$options
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);
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return $saved;
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}
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}
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