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<?php
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// $Id: question.module,v 1.7.4.10 2008/10/24 02:39:28 codepoet Exp $
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/**
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* Implementation of hook_help().
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*
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*/
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function question_help($section) {
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switch ($section) {
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case 'node/add#question':
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// This description shows up when users click "create content."
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return t('A question/answer node.');
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case 'admin/question':
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return t('Here is a list of the questions that have been submitted to your site. Each question can be answered by selecting "promote". Once submitted, this question becomes a node. Choose "delete" to delete this question without answering.');
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}
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}
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/**
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* Implementation of hook_node_info().
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*
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*/
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function question_node_info() {
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return array('question' => array(
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'name' => t('Question'),
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'module' => 'question',
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'description' => 'Users can ask questions and administrators can respond.'));
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}
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/**
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* Implementation of hook_access().
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*
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*/
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function question_access($op, $node) {
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global $user;
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if ($op == 'create') {
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return user_access('ask questions');
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} elseif ($op == 'update' && $node->uid == $user->uid) {
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if (user_access('ask questions')) { return TRUE; }
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else { return NULL; }
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} elseif ($op == 'update') {
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if (user_access('manage questions')) { return TRUE; }
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else { return NULL; }
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}
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}
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/**
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* Implementation of hook_perm().
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*
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*/
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function question_perm() {
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return array('ask questions', 'manage questions');
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}
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/**
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* Implementation of hook_menu().
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*
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*/
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function question_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'node/add/question',
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'title' => t('Question'),
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'access' => user_access('manage questions'));
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$items[] = array(
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'path' => 'admin/content/question',
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'title' => t('Questions'),
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'description' => t('Manage the question queue.'),
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'access' => user_access('manage questions'),
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'callback' => 'question_list_page');
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$items[] = array(
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'path' => 'question',
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'title' => t('Ask a question'),
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'access' => user_access('ask questions'),
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'callback' => 'question_add');
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$items[] = array(
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'path' => 'admin/settings/question',
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'title' => t('Question'),
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'description' => t('Edit Question settings.'),
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'callback' => 'drupal_get_form',
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'callback arguments' => 'question_settings',
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'access' => user_access('administer site configuration'),
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'type' => MENU_NORMAL_ITEM );
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}
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return $items;
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}
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/**
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* Implementation of hook_form().
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*
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*/
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function question_form(&$node) {
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if (arg(2)=='question' && is_numeric(arg(3))) {
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$que = db_fetch_object(db_query('SELECT * FROM {question_queue} WHERE qid = %d', arg(3)));
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$node->questioner = $que->questioner;
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$node->question = $que->question;
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$form['qid'] = array(
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'#type' => 'hidden',
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'#value' => arg(3),
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);
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}
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$form['title'] = array('#type' => 'textfield',
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'#title' => t('Subject'),
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'#default_value' => $node->title,
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'#size' => 60,
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'#maxlength' => 128,
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'#weight' => -8,
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'#required' => TRUE);
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$form['questioner'] = array(
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'#type' => 'textfield',
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'#title' => t('Questioner'),
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'#default_value' => $node->questioner,
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'#size' => 60,
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'#maxlength' => 128,
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'#weight' => -7,
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'#description' => t("The person asking the question. Can be the user's id (uid), username, or an email address."),
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);
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// Now we define the form elements specific to our node type.
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$form['question'] = array('#weight' => -6);
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$form['question']['question'] = array(
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'#type' => 'textarea',
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'#title' => t('Question'),
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'#default_value' => $node->question,
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'#cols' => 60,
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'#rows' => 20
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);
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$form['question']['q_format'] = filter_form($node->q_format, 10, array('q_format'));
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$form['answer'] = array('#weight' => -5);
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$form['answer']['answer'] = array(
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'#type' => 'textarea',
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'#title' => t('Answer'),
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'#default_value' => $node->answer,
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'#cols' => 60,
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'#rows' => 20
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);
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$form['answer']['a_format'] = filter_form($node->a_format, 10, array('a_format'));
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return $form;
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}
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/**
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* Implementation of hook_validate().
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*
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*/
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function question_validate(&$node) {
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$node->body = '';
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// make body for node previews and whatnot
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//$node->body = '<em>'.$node->question."</em><br />\n
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//".$node->answer;
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//$node->format = $node->a_format;
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//check validity of questioner
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$req = (variable_get('question_require_registered', FALSE));
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if (is_numeric($node->questioner)) {
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// is it a uid?
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if (!$account = user_load(array('uid'=>$node->questioner))) {
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// it is not a uid
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if ($req) {
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form_set_error('questioner', t('This is not a valid user id.'));
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}
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}
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else {
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// it is a uid
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$node->quid = $account->uid;
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$node->questioner = $account->name;
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}
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}
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else {
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if (valid_email_address($node->questioner)) {
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// it's an email address
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if ($account = user_load(array('mail'=>$node->questioner))) {
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// they're "one of us"
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$node->quid = $account->uid;
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$node->questioner = $account->name;
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}
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}
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elseif ($account = user_load(array('name'=>$node->questioner))) {
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// it's a user
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$node->quid = $account->uid;
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}
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else {
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// it's neither an email nor a user
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if ($req) {
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form_set_error('questioner', t('This is neither an email address nor a valid user name.'));
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}
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}
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}
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}
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function question_settings() {
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// require users to be registered in order to ask questions?
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$form['question_require_registered'] = array(
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'#type' => 'checkbox',
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'#weight' => -5,
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'#title' => t('Require registered users?'),
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'#return_value' => 1,
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'#default_value' => variable_get('question_require_registered', FALSE),
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'#description' => t('Require users to be authenticated in order to submit questions?'),
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);
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// Thank You node
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$form['question_thanks'] = array(
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'#type' => 'textfield',
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'#weight' => -3,
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'#title' => t('Path to "Thank You" node'),
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'#default_value' => variable_get('question_thanks', FALSE),
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'#size' => 40,
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'#maxlength' => 100,
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'#description' => t('This is where users will end up after they submit the question form. Example: "node/454".<br/>Leave blank and user will be returned to the form page with a thank you message.'),
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);
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// Instructions
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$form['question_instructions'] = array(
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'#type' => 'textarea',
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'#weight' => -1,
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'#title' => t('Instructions for the user'),
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'#default_value' => variable_get('question_instructions', FALSE),
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'#size' => 40,
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'#description' => t('This message will appear above the question form to provide the user instructions.'),
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);
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$form['question_instructions_format'] = filter_form(variable_get('question_instructions_format', false), 0, array('question_instructions_format'));
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return system_settings_form($form);
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}
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function question_list_page($op = NULL, $qid = NULL) {
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if ($_POST['edit']['confirm']) {
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question_queue_item_delete($_POST['edit']['qid']);
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unset($_POST);
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drupal_goto('admin/content/question');
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}
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switch ($op) {
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case 'delete':
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return drupal_get_form('question_queue_item_delete');
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break;
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default:
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$headers = array(t('Question'), t('Operations'));
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$sql = 'SELECT * FROM {question_queue} ORDER BY qid DESC';
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$result = pager_query($sql);
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while ($r = db_fetch_object($result)) {
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$rows[$r->qid]['question']['data'] = '<i>'.$r->questioner.'</i><br/>'.check_markup($r->question);
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$rows[$r->qid]['question']['style'] = 'vertical-align:top;border-bottom:solid 1px #666;';
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$rows[$r->qid]['operations']['data'] = l(t('delete'), 'admin/content/question/delete/'.$r->qid).' '.l(t('promote'), 'node/add/question/'.$r->qid, array('title'=>t('create a question node based on this submission')));
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$rows[$r->qid]['operations']['style'] = 'vertical-align:top;border-bottom:solid 1px #666;';
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}
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$output = theme('table', $headers, $rows, array('style'=>'width:100%', 'cellpadding'=>'5'));
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$output .= theme('pager');
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}
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return $output;
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}
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function question_queue_item_delete() {
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$qid = arg(4);
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$queue_item = db_fetch_object(db_query("SELECT * from {question_queue} WHERE qid = %d", $qid));
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$form['qid'] = array(
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'#type' => 'hidden',
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'#value' => $qid
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);
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return confirm_form($form, t('Are you sure you want to delete this question?'), 'admin/content/question', $queue_item->question, t('Delete'), t('Cancel'), 'question_queue_item_delete');
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}
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function question_queue_item_delete_submit($form_id, $form_values) {
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db_query('DELETE FROM {question_queue} WHERE qid="%d"', $form_values['qid']);
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drupal_set_message(t('Item deleted'));
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drupal_goto('admin/content/question');
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}
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/**
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* Implementation of hook_insert().
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*
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*/
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function question_insert($node) {
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db_query("INSERT INTO {question_node} (nid, questioner, quid, question, q_format, answer, a_format) VALUES (%d, '%s', %d, '%s', %d, '%s', %d)", $node->nid, $node->questioner, $node->quid, $node->question, $node->q_format, $node->answer, $node->a_format);
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// if this node came from the queue, delete the queue item...
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if (isset($node->qid)) {
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db_query("DELETE FROM {question_queue} WHERE qid = %d", $node->qid);
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}
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}
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/**
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* Implementation of hook_update().
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*
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*/
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function question_update($node) {
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db_query("UPDATE {question_node} SET questioner='%s', quid=%d, question='%s', q_format=%d, answer='%s', a_format=%d WHERE nid = %d", $node->questioner, $node->quid, $node->question, $node->q_format, $node->answer, $node->a_format, $node->nid);
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}
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/**
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* Implementation of hook_delete().
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*
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*/
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function question_delete($node) {
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db_query('DELETE FROM {question_node} WHERE nid = %d', $node->nid);
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}
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/**
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* Implementation of hook_load().
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*
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*/
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function question_load($node) {
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$additions = db_fetch_object(db_query('SELECT questioner, quid, question, q_format, answer, a_format FROM {question_node} WHERE nid = %d', $node->nid));
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return $additions;
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}
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/**
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* Implementation of hook_view().
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*
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*/
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function question_view($node, $teaser = FALSE, $page = FALSE) {
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$node = node_prepare($node, $teaser);
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if ($teaser) {
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$node->content['teaser']['#value'] = theme('question_teaser', $node);
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} else {
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$node->content['body']['#value'] = theme('question_body', $node);
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}
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return $node;
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}
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function theme_question_body($node) {
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if ($node->quid) {
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$node->questioner = l($node->questioner, 'user/'.$node->quid);
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}
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$output = '<div class="question">';
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if ($node->questioner) {
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$output .= '<div class="question-asks">'.$node->questioner.t(" asks:")."</div>";
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}
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$output .= '<div class="question-question">'.t('<h3>Question</h3>').check_markup($node->question, $node->q_format, FALSE).'</div>';
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$output .= '<div class="question-answer">'.t('<h3>Answer</h3>').check_markup($node->answer, $node->a_format, FALSE).'</div>';
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$output .= '</div>';
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return $output;
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}
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function theme_question_teaser($node) {
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// just the question for the teasers...
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$output = '<div class="question">';
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$output .= '<div class="question-question">'.check_markup($node->question, $node->q_format, FALSE).'</div>';
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$output .= '</div>';
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$output .= l(t('Read the answer...'),'node/'.$node->nid);
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return $output;
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}
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function question_add() {
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// initial form...
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drupal_set_title(t("Submit a Question"));
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$instructions = check_markup(variable_get('question_instructions', false), variable_get('question_instructions_format', false), false);
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if (strlen($instructions)) {
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$output = '<div class="question instructions">' . t($instructions) . '</div>';
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}
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$output .= drupal_get_form('question_qform');
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print theme('page', $output);
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return;
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}
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function theme_question_qform($form) {
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global $user;
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return drupal_render($form);
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}
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function question_qform() {
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global $user;
|
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// if we are requiring registered users, but user is not logged in
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| 381 |
if (!$user->uid && variable_get('question_require_registered', FALSE)) {
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| 382 |
$form['error'] = array(
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| 383 |
'#type' => 'markup',
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| 384 |
'#value' => t('<p />Please <a href="!login">login or register</a> to submit questions.', array("!login" => url('user/login', drupal_get_destination())))
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);
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return $form;
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}
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| 388 |
// if user is logged in or we're not requiring registered users
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| 389 |
else if (!variable_get('question_require_registered', FALSE)) {
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| 390 |
$form['questioner'] = array(
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| 391 |
'#type' => 'textfield',
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| 392 |
'#title' => t('Your name'),
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| 393 |
'#default_value' => $user->name,
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| 394 |
'#size' => 40,
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| 395 |
'#maxlength' => 60,
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| 396 |
'#description' => t('Your name, username, or email address'),
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);
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}
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else {
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| 400 |
$form['questioner'] = array(
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| 401 |
'#type' => 'hidden',
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| 402 |
'#value' => $user->name,
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);
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}
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$form['question'] = array(
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| 406 |
'#type' => 'textarea',
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| 407 |
'#title' => t('Question'),
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'#default_value' => $_POST['question'],
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'#cols' => 60,
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| 410 |
'#rows' => 10,
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| 411 |
'#description' => NULL,
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| 412 |
'#attributes' => NULL,
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'#required' => TRUE,
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);
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$form[] = array(
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'#type' => 'submit',
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| 417 |
'#value' => t('Submit Question'),
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);
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| 419 |
$form['#method'] = 'post';
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$form['#action'] = url('question', drupal_get_destination());
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return $form;
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}
|
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|
| 424 |
function question_qform_validate ($form_id, $form_values) {
|
| 425 |
if ($form_values['question'] == '') {
|
| 426 |
form_set_error('question', t('Please enter a question.'));
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| 427 |
}
|
| 428 |
}
|
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|
| 430 |
function question_qform_submit ($form_id, $form_values) {
|
| 431 |
$qid = db_next_id('question_queue');
|
| 432 |
global $user;
|
| 433 |
$quid = $user->uid;
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| 434 |
db_query('INSERT INTO {question_queue} (qid, questioner, quid, question) VALUES (%d, "%s", %d, "%s")', $qid, $form_values['questioner'], $quid, $form_values['question']);
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| 435 |
$path = variable_get('question_thanks', '');
|
| 436 |
$dest = $_REQUEST['destination'];
|
| 437 |
unset($_REQUEST['destination']);
|
| 438 |
|
| 439 |
if (strlen(trim($path))) {
|
| 440 |
// if the 'question thank you node' variable was set...
|
| 441 |
drupal_goto($path);
|
| 442 |
}
|
| 443 |
else {
|
| 444 |
drupal_set_message(t('Your question was submitted.'));
|
| 445 |
|
| 446 |
// if not...
|
| 447 |
if ($dest) {
|
| 448 |
//go back to the original question node...
|
| 449 |
drupal_goto($dest);
|
| 450 |
}
|
| 451 |
else {
|
| 452 |
// last resort
|
| 453 |
drupal_goto('node');
|
| 454 |
}
|
| 455 |
}
|
| 456 |
}
|
| 457 |
|
| 458 |
/**
|
| 459 |
* This function is for those that want to insert a question form into
|
| 460 |
* a node to make it easier for people to ask questions. All it does
|
| 461 |
* is pull the rendered form and print it out.
|
| 462 |
*/
|
| 463 |
|
| 464 |
function question_print_form() {
|
| 465 |
print drupal_get_form('question_qform');
|
| 466 |
}
|
| 467 |
|
| 468 |
/**
|
| 469 |
* Returns node object for latest question (based on node's creation date)
|
| 470 |
*
|
| 471 |
*/
|
| 472 |
|
| 473 |
function question_get_latest() {
|
| 474 |
$obj = db_fetch_object(db_query('SELECT n.nid FROM {question_node} q INNER JOIN {node} n ON n.nid = q.nid WHERE n.status = 1 ORDER BY n.created DESC'));
|
| 475 |
if ($obj) {
|
| 476 |
$node = node_load($obj->nid);
|
| 477 |
return $node;
|
| 478 |
} else {
|
| 479 |
return;
|
| 480 |
}
|
| 481 |
}
|
| 482 |
|
| 483 |
function question_get_random() {
|
| 484 |
$obj = db_fetch_object(db_query('SELECT n.nid FROM {question_node} q INNER JOIN {node} n ON n.nid = q.nid WHERE n.status = 1 ORDER BY RAND()'));
|
| 485 |
if ($obj) {
|
| 486 |
$node = node_load($obj->nid);
|
| 487 |
return $node;
|
| 488 |
} else {
|
| 489 |
return;
|
| 490 |
}
|
| 491 |
}
|
| 492 |
|
| 493 |
/**
|
| 494 |
* Returns rendered listing of questions
|
| 495 |
* $teaser is a true/false indicating whether the teaser version
|
| 496 |
* of the node should be displayed
|
| 497 |
* $links is a true/false indicating whether links should be displayed
|
| 498 |
* $joins is a string containing JOIN arguments for SQL call
|
| 499 |
* example: 'INNER JOIN {term_node} t ON t.nid = q.nid'
|
| 500 |
* $wheres is a string containing additional WHERE arguments
|
| 501 |
* example: 'AND t.tid = 12'
|
| 502 |
* $order is a string containing ORDER BY
|
| 503 |
*
|
| 504 |
* The above example arguments would return the node ids of all question nodes
|
| 505 |
* that are tagged with taxonomy term 12
|
| 506 |
*/
|
| 507 |
|
| 508 |
function question_list_questions($teaser = TRUE, $links = FALSE, $joins = '', $wheres = '', $order = 'ORDER BY n.created DESC') {
|
| 509 |
$result = db_query("SELECT n.nid FROM {node} n ".$joins." WHERE n.type = 'question' AND n.status = 1 ".$wheres." ".$order);
|
| 510 |
while ($row = db_fetch_object($result)) {
|
| 511 |
$node = node_load($row->nid);
|
| 512 |
$output .= node_view($node, $teaser, FALSE, $links);
|
| 513 |
}
|
| 514 |
return $output;
|
| 515 |
}
|
| 516 |
|
| 517 |
/**
|
| 518 |
* Implementation of hook_block.
|
| 519 |
*
|
| 520 |
* Offers 2 blocks: latest question and random question
|
| 521 |
*/
|
| 522 |
function question_block($op, $delta = 0) {
|
| 523 |
switch ($op) {
|
| 524 |
case 'list':
|
| 525 |
$block[0]['info'] = t('Latest question');
|
| 526 |
$block[1]['info'] = t('Random question');
|
| 527 |
|
| 528 |
return $block;
|
| 529 |
case 'view':
|
| 530 |
if (user_access('access content')) {
|
| 531 |
switch($delta) {
|
| 532 |
case 0:
|
| 533 |
$question = question_get_latest();
|
| 534 |
$block['subject'] = t('Latest question');
|
| 535 |
$block['content'] = theme('question_block', $question);
|
| 536 |
break;
|
| 537 |
case 1:
|
| 538 |
$question = question_get_random();
|
| 539 |
$block['subject'] = t('Random question');
|
| 540 |
$block['content'] = theme('question_block', $question);
|
| 541 |
break;
|
| 542 |
}
|
| 543 |
}
|
| 544 |
return $block;
|
| 545 |
}
|
| 546 |
}
|
| 547 |
|
| 548 |
function theme_question_block($node) {
|
| 549 |
return theme_question_teaser($node);
|
| 550 |
}
|
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