408 lines
12 KiB
PHP
408 lines
12 KiB
PHP
<?php
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/*--------------------------------------------------------------------------------------------------------| www.vdm.io |------/
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__ __ _ _____ _ _ __ __ _ _ _
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\ \ / / | | | __ \ | | | | | \/ | | | | | | |
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\ \ / /_ _ ___| |_ | | | | _____ _____| | ___ _ __ _ __ ___ ___ _ __ | |_ | \ / | ___| |_| |__ ___ __| |
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\ \/ / _` / __| __| | | | |/ _ \ \ / / _ \ |/ _ \| '_ \| '_ ` _ \ / _ \ '_ \| __| | |\/| |/ _ \ __| '_ \ / _ \ / _` |
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\ / (_| \__ \ |_ | |__| | __/\ V / __/ | (_) | |_) | | | | | | __/ | | | |_ | | | | __/ |_| | | | (_) | (_| |
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\/ \__,_|___/\__| |_____/ \___| \_/ \___|_|\___/| .__/|_| |_| |_|\___|_| |_|\__| |_| |_|\___|\__|_| |_|\___/ \__,_|
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/-------------------------------------------------------------------------------------------------------------------------------/
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@version 1.0.x
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@build 4th April, 2019
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@created 30th January, 2017
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@package Questions and Answers
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@subpackage questions_and_answers.php
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@author Llewellyn van der Merwe <https://www.vdm.io/>
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@copyright Copyright (C) 2015. All Rights Reserved
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@license GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
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Questions & Answers
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/-----------------------------------------------------------------------------------------------------------------------------*/
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// No direct access to this file
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defined('_JEXEC') or die('Restricted access');
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/**
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* Questions_and_answers Model
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*/
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class QuestionsanswersModelQuestions_and_answers extends JModelList
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{
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public function __construct($config = array())
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{
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if (empty($config['filter_fields']))
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{
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$config['filter_fields'] = array(
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'a.id','id',
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'a.published','published',
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'a.ordering','ordering',
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'a.created_by','created_by',
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'a.modified_by','modified_by',
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'a.question','question',
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'a.answer','answer'
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);
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}
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parent::__construct($config);
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}
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/**
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* Method to auto-populate the model state.
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*
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* @return void
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*/
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protected function populateState($ordering = null, $direction = null)
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{
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$app = JFactory::getApplication();
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// Adjust the context to support modal layouts.
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if ($layout = $app->input->get('layout'))
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{
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$this->context .= '.' . $layout;
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}
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$question = $this->getUserStateFromRequest($this->context . '.filter.question', 'filter_question');
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$this->setState('filter.question', $question);
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$answer = $this->getUserStateFromRequest($this->context . '.filter.answer', 'filter_answer');
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$this->setState('filter.answer', $answer);
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$sorting = $this->getUserStateFromRequest($this->context . '.filter.sorting', 'filter_sorting', 0, 'int');
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$this->setState('filter.sorting', $sorting);
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$access = $this->getUserStateFromRequest($this->context . '.filter.access', 'filter_access', 0, 'int');
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$this->setState('filter.access', $access);
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$search = $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');
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$this->setState('filter.search', $search);
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$published = $this->getUserStateFromRequest($this->context . '.filter.published', 'filter_published', '');
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$this->setState('filter.published', $published);
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$created_by = $this->getUserStateFromRequest($this->context . '.filter.created_by', 'filter_created_by', '');
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$this->setState('filter.created_by', $created_by);
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$created = $this->getUserStateFromRequest($this->context . '.filter.created', 'filter_created');
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$this->setState('filter.created', $created);
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// List state information.
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parent::populateState($ordering, $direction);
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}
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/**
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* Method to get an array of data items.
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*
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* @return mixed An array of data items on success, false on failure.
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*/
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public function getItems()
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{
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// check in items
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$this->checkInNow();
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// load parent items
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$items = parent::getItems();
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// set values to display correctly.
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if (QuestionsanswersHelper::checkArray($items))
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{
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foreach ($items as $nr => &$item)
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{
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$access = (JFactory::getUser()->authorise('question_and_answer.access', 'com_questionsanswers.question_and_answer.' . (int) $item->id) && JFactory::getUser()->authorise('question_and_answer.access', 'com_questionsanswers'));
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if (!$access)
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{
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unset($items[$nr]);
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continue;
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}
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}
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}
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// return items
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return $items;
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}
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/**
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* Method to build an SQL query to load the list data.
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*
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* @return string An SQL query
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*/
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protected function getListQuery()
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{
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// Get the user object.
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$user = JFactory::getUser();
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// Create a new query object.
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$db = JFactory::getDBO();
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$query = $db->getQuery(true);
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// Select some fields
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$query->select('a.*');
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$query->select($db->quoteName('c.title','category_title'));
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// From the questionsanswers_item table
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$query->from($db->quoteName('#__questionsanswers_question_and_answer', 'a'));
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$query->join('LEFT', $db->quoteName('#__categories', 'c') . ' ON (' . $db->quoteName('a.catid') . ' = ' . $db->quoteName('c.id') . ')');
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// Filter by published state
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$published = $this->getState('filter.published');
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if (is_numeric($published))
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{
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$query->where('a.published = ' . (int) $published);
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}
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elseif ($published === '')
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{
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$query->where('(a.published = 0 OR a.published = 1)');
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}
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// Join over the asset groups.
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$query->select('ag.title AS access_level');
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$query->join('LEFT', '#__viewlevels AS ag ON ag.id = a.access');
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// Filter by access level.
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if ($access = $this->getState('filter.access'))
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{
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$query->where('a.access = ' . (int) $access);
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}
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// Implement View Level Access
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if (!$user->authorise('core.options', 'com_questionsanswers'))
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{
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$groups = implode(',', $user->getAuthorisedViewLevels());
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$query->where('a.access IN (' . $groups . ')');
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}
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// Filter by search.
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$search = $this->getState('filter.search');
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if (!empty($search))
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{
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if (stripos($search, 'id:') === 0)
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{
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$query->where('a.id = ' . (int) substr($search, 3));
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}
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else
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{
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$search = $db->quote('%' . $db->escape($search) . '%');
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$query->where('(a.question LIKE '.$search.' OR a.answer LIKE '.$search.' OR a.catid LIKE '.$search.')');
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}
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}
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// Filter by a single or group of categories.
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$baselevel = 1;
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$categoryId = $this->getState('filter.category_id');
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if (is_numeric($categoryId))
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{
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$cat_tbl = JTable::getInstance('Category', 'JTable');
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$cat_tbl->load($categoryId);
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$rgt = $cat_tbl->rgt;
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$lft = $cat_tbl->lft;
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$baselevel = (int) $cat_tbl->level;
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$query->where('c.lft >= ' . (int) $lft)
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->where('c.rgt <= ' . (int) $rgt);
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}
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elseif (is_array($categoryId))
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{
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JArrayHelper::toInteger($categoryId);
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$categoryId = implode(',', $categoryId);
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$query->where('a.category IN (' . $categoryId . ')');
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}
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// Add the list ordering clause.
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$orderCol = $this->state->get('list.ordering', 'a.id');
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$orderDirn = $this->state->get('list.direction', 'asc');
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if ($orderCol != '')
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{
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$query->order($db->escape($orderCol . ' ' . $orderDirn));
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}
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return $query;
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}
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/**
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* Method to get list export data.
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*
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* @return mixed An array of data items on success, false on failure.
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*/
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public function getExportData($pks)
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{
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// setup the query
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if (QuestionsanswersHelper::checkArray($pks))
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{
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// Set a value to know this is exporting method.
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$_export = true;
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// Get the user object.
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$user = JFactory::getUser();
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// Create a new query object.
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$db = JFactory::getDBO();
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$query = $db->getQuery(true);
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// Select some fields
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$query->select('a.*');
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// From the questionsanswers_question_and_answer table
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$query->from($db->quoteName('#__questionsanswers_question_and_answer', 'a'));
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$query->where('a.id IN (' . implode(',',$pks) . ')');
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// Implement View Level Access
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if (!$user->authorise('core.options', 'com_questionsanswers'))
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{
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$groups = implode(',', $user->getAuthorisedViewLevels());
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$query->where('a.access IN (' . $groups . ')');
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}
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// Order the results by ordering
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$query->order('a.ordering ASC');
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// Load the items
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$db->setQuery($query);
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$db->execute();
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if ($db->getNumRows())
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{
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$items = $db->loadObjectList();
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// Get the basic encryption key.
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$basickey = QuestionsanswersHelper::getCryptKey('basic');
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// Get the encryption object.
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$basic = new FOFEncryptAes($basickey);
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// set values to display correctly.
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if (QuestionsanswersHelper::checkArray($items))
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{
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foreach ($items as $nr => &$item)
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{
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$access = (JFactory::getUser()->authorise('question_and_answer.access', 'com_questionsanswers.question_and_answer.' . (int) $item->id) && JFactory::getUser()->authorise('question_and_answer.access', 'com_questionsanswers'));
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if (!$access)
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{
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unset($items[$nr]);
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continue;
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}
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if ($basickey && !is_numeric($item->answer_documents) && $item->answer_documents === base64_encode(base64_decode($item->answer_documents, true)))
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{
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// decrypt answer_documents
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$item->answer_documents = $basic->decryptString($item->answer_documents);
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}
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if ($basickey && !is_numeric($item->main_image) && $item->main_image === base64_encode(base64_decode($item->main_image, true)))
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{
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// decrypt main_image
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$item->main_image = $basic->decryptString($item->main_image);
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}
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// unset the values we don't want exported.
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unset($item->asset_id);
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unset($item->checked_out);
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unset($item->checked_out_time);
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}
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}
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// Add headers to items array.
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$headers = $this->getExImPortHeaders();
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if (QuestionsanswersHelper::checkObject($headers))
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{
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array_unshift($items,$headers);
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}
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return $items;
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}
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}
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return false;
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}
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/**
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* Method to get header.
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*
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* @return mixed An array of data items on success, false on failure.
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*/
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public function getExImPortHeaders()
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{
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// Get a db connection.
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$db = JFactory::getDbo();
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// get the columns
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$columns = $db->getTableColumns("#__questionsanswers_question_and_answer");
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if (QuestionsanswersHelper::checkArray($columns))
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{
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// remove the headers you don't import/export.
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unset($columns['asset_id']);
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unset($columns['checked_out']);
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unset($columns['checked_out_time']);
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$headers = new stdClass();
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foreach ($columns as $column => $type)
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{
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$headers->{$column} = $column;
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}
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return $headers;
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}
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return false;
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}
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/**
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* Method to get a store id based on model configuration state.
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*
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* @return string A store id.
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*
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*/
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protected function getStoreId($id = '')
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{
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// Compile the store id.
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$id .= ':' . $this->getState('filter.id');
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$id .= ':' . $this->getState('filter.search');
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$id .= ':' . $this->getState('filter.published');
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$id .= ':' . $this->getState('filter.ordering');
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$id .= ':' . $this->getState('filter.created_by');
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$id .= ':' . $this->getState('filter.modified_by');
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$id .= ':' . $this->getState('filter.question');
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$id .= ':' . $this->getState('filter.answer');
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return parent::getStoreId($id);
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}
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/**
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* Build an SQL query to checkin all items left checked out longer then a set time.
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*
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* @return a bool
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*
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*/
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protected function checkInNow()
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{
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// Get set check in time
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$time = JComponentHelper::getParams('com_questionsanswers')->get('check_in');
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if ($time)
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{
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// Get a db connection.
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$db = JFactory::getDbo();
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// reset query
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$query = $db->getQuery(true);
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$query->select('*');
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$query->from($db->quoteName('#__questionsanswers_question_and_answer'));
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$db->setQuery($query);
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$db->execute();
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if ($db->getNumRows())
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{
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// Get Yesterdays date
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$date = JFactory::getDate()->modify($time)->toSql();
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// reset query
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$query = $db->getQuery(true);
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// Fields to update.
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$fields = array(
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$db->quoteName('checked_out_time') . '=\'0000-00-00 00:00:00\'',
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$db->quoteName('checked_out') . '=0'
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);
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// Conditions for which records should be updated.
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$conditions = array(
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$db->quoteName('checked_out') . '!=0',
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$db->quoteName('checked_out_time') . '<\''.$date.'\''
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);
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// Check table
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$query->update($db->quoteName('#__questionsanswers_question_and_answer'))->set($fields)->where($conditions);
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$db->setQuery($query);
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$db->execute();
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}
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}
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return false;
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}
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}
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