engelsystem/includes/pages/admin_questions.php

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<?php
use Engelsystem\Database\DB;
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use Engelsystem\Models\User\User;
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/**
* @return string
*/
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function admin_questions_title()
{
return __('Answer questions');
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}
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/**
* Renders a hint for new questions to answer.
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*
* @return string|null
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*/
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function admin_new_questions()
{
global $privileges, $page;
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if ($page != 'admin_questions') {
if (in_array('admin_questions', $privileges)) {
$new_messages = count(DB::select('SELECT `QID` FROM `Questions` WHERE `AID` IS NULL'));
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if ($new_messages > 0) {
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return '<a href="' . page_link_to('admin_questions') . '">'
. __('There are unanswered questions!')
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. '</a>';
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}
}
}
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return null;
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}
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/**
* @return string
*/
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function admin_questions()
{
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$user = Auth()->user();
$request = request();
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if (!$request->has('action')) {
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$unanswered_questions_table = [];
$questions = DB::select('SELECT * FROM `Questions` WHERE `AID` IS NULL');
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foreach ($questions as $question) {
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$user_source = User::find($question['UID']);
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$unanswered_questions_table[] = [
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'from' => User_Nick_render($user_source),
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'question' => str_replace("\n", '<br />', $question['Question']),
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'answer' => form([
form_textarea('answer', '', ''),
form_submit('submit', __('Save'))
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], page_link_to('admin_questions', ['action' => 'answer', 'id' => $question['QID']])),
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'actions' => button(
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page_link_to('admin_questions', ['action' => 'delete', 'id' => $question['QID']]),
__('delete'),
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'btn-xs'
)
];
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}
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$answered_questions_table = [];
$questions = DB::select('SELECT * FROM `Questions` WHERE NOT `AID` IS NULL');
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foreach ($questions as $question) {
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$user_source = User::find($question['UID']);
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$answer_user_source = User::find($question['AID']);
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$answered_questions_table[] = [
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'from' => User_Nick_render($user_source),
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'question' => str_replace("\n", '<br />', $question['Question']),
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'answered_by' => User_Nick_render($answer_user_source),
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'answer' => str_replace("\n", '<br />', $question['Answer']),
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'actions' => button(
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page_link_to('admin_questions', ['action' => 'delete', 'id' => $question['QID']]),
__('delete'),
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'btn-xs'
)
];
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}
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return page_with_title(admin_questions_title(), [
'<h2>' . __('Unanswered questions') . '</h2>',
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table([
'from' => __('From'),
'question' => __('Question'),
'answer' => __('Answer'),
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'actions' => ''
], $unanswered_questions_table),
'<h2>' . __('Answered questions') . '</h2>',
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table([
'from' => __('From'),
'question' => __('Question'),
'answered_by' => __('Answered by'),
'answer' => __('Answer'),
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'actions' => ''
], $answered_questions_table)
]);
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} else {
switch ($request->input('action')) {
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case 'answer':
if ($request->has('id') && preg_match('/^\d{1,11}$/', $request->input('id'))) {
$question_id = $request->input('id');
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} else {
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return error('Incomplete call, missing Question ID.', true);
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}
$question = DB::selectOne(
'SELECT * FROM `Questions` WHERE `QID`=? LIMIT 1',
[$question_id]
);
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if (!empty($question) && empty($question['AID'])) {
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$answer = trim(
preg_replace("/([^\p{L}\p{P}\p{Z}\p{N}\n]{1,})/ui",
'',
strip_tags($request->input('answer'))
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));
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if ($answer != '') {
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DB::update('
UPDATE `Questions`
SET `AID`=?, `Answer`=?
WHERE `QID`=?
LIMIT 1
',
[
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$user->id,
$answer,
$question_id,
]
);
engelsystem_log('Question ' . $question['Question'] . ' answered: ' . $answer);
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redirect(page_link_to('admin_questions'));
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} else {
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return error('Enter an answer!', true);
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}
} else {
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return error('No question found.', true);
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}
break;
case 'delete':
if ($request->has('id') && preg_match('/^\d{1,11}$/', $request->input('id'))) {
$question_id = $request->input('id');
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} else {
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return error('Incomplete call, missing Question ID.', true);
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}
$question = DB::selectOne(
'SELECT * FROM `Questions` WHERE `QID`=? LIMIT 1',
[$question_id]
);
if (!empty($question)) {
DB::delete('DELETE FROM `Questions` WHERE `QID`=? LIMIT 1', [$question_id]);
engelsystem_log('Question deleted: ' . $question['Question']);
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redirect(page_link_to('admin_questions'));
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} else {
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return error('No question found.', true);
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}
break;
}
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}
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return '';
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}