<?php
/*
	Copyright (c) 2019-2022 Mark J Crane <markjcrane@fusionpbx.com>
	
	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions
	are met:

		1. Redistributions of source code must retain the above copyright
		notice, this list of conditions and the following disclaimer.
	
		2. Redistributions in binary form must reproduce the above copyright
		notice, this list of conditions and the following disclaimer in the
		documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	SUCH DAMAGE.
*/

/**
 * device_logs class
 *
 * @method null delete
 * @method null toggle
 * @method null copy
 */

class device_logs {

	/**
	* declare the variables
	*/
	private $app_name;
	private $app_uuid;
	private $name;
	private $table;
	private $toggle_field;
	private $toggle_values;
	private $location;

	/**
	 * called when the object is created
	 */
	public function __construct() {
		//assign the variables
			$this->app_name = 'device_logs';
			$this->app_uuid = '78b1e5c7-5028-43e7-a05b-a36b44f87087';
			$this->name = 'device_log';
			$this->table = 'device_logs';
			$this->toggle_field = '';
			$this->toggle_values = ['true','false'];
			$this->location = 'device_logs.php';
	}

	/**
	 * called when there are no references to a particular object
	 * unset the variables used in the class
	 */
	public function __destruct() {
		foreach ($this as $key => $value) {
			unset($this->$key);
		}
	}

	/**
	 * delete rows from the database
	 */
	public function delete($records) {
		if (permission_exists($this->name.'_delete')) {

			//add multi-lingual support
				$language = new text;
				$text = $language->get();

			//validate the token
				$token = new token;
				if (!$token->validate($_SERVER['PHP_SELF'])) {
					message::add($text['message-invalid_token'],'negative');
					header('Location: '.$this->location);
					exit;
				}

			//delete multiple records
				if (is_array($records) && @sizeof($records) != 0) {
					//build the delete array
						$x = 0;
						foreach ($records as $record) {
							//add to the array
								if (isset($record['checked']) && $record['checked'] == 'true' && is_uuid($record['uuid'])) {
									$array[$this->table][$x][$this->name.'_uuid'] = $record['uuid'];
									$array[$this->table][$x]['domain_uuid'] = $_SESSION['domain_uuid'];
								}

							//increment the id
								$x++;
						}

					//delete the checked rows
						if (is_array($array) && @sizeof($array) != 0) {
							//execute delete
								$database = new database;
								$database->app_name = $this->app_name;
								$database->app_uuid = $this->app_uuid;
								$database->delete($array);
								unset($array);

							//set message
								message::add($text['message-delete']);
						}
						unset($records);
				}
		}
	}

	/**
	 * toggle a field between two values
	 */
	public function toggle($records) {
		if (permission_exists($this->name.'_edit')) {

			//add multi-lingual support
				$language = new text;
				$text = $language->get();

			//validate the token
				$token = new token;
				if (!$token->validate($_SERVER['PHP_SELF'])) {
					message::add($text['message-invalid_token'],'negative');
					header('Location: '.$this->location);
					exit;
				}

			//toggle the checked records
				if (is_array($records) && @sizeof($records) != 0) {
					//get current toggle state
						foreach($records as $record) {
							if ($record['checked'] == 'true' && is_uuid($record['uuid'])) {
								$uuids[] = "'".$record['uuid']."'";
							}
						}
						if (is_array($uuids) && @sizeof($uuids) != 0) {
							$sql = "select ".$this->name."_uuid as uuid, ".$this->toggle_field." as toggle from v_".$this->table." ";
							$sql .= "where ".$this->name."_uuid in (".implode(', ', $uuids).") ";
							$sql .= "and (domain_uuid = :domain_uuid or domain_uuid is null) ";
							$parameters['domain_uuid'] = $_SESSION['domain_uuid'];
							$database = new database;
							$rows = $database->select($sql, $parameters, 'all');
							if (is_array($rows) && @sizeof($rows) != 0) {
								foreach ($rows as $row) {
									$states[$row['uuid']] = $row['toggle'];
								}
							}
							unset($sql, $parameters, $rows, $row);
						}

					//build update array
						$x = 0;
						foreach($states as $uuid => $state) {
							//create the array
								$array[$this->table][$x][$this->name.'_uuid'] = $uuid;
								$array[$this->table][$x][$this->toggle_field] = $state == $this->toggle_values[0] ? $this->toggle_values[1] : $this->toggle_values[0];

							//increment the id
								$x++;
						}

					//save the changes
						if (is_array($array) && @sizeof($array) != 0) {
							//save the array
								$database = new database;
								$database->app_name = $this->app_name;
								$database->app_uuid = $this->app_uuid;
								$database->save($array);
								unset($array);

							//set message
								message::add($text['message-toggle']);
						}
						unset($records, $states);
				}
		}
	}

	/**
	 * copy rows from the database
	 */
	public function copy($records) {
		if (permission_exists($this->name.'_add')) {

			//add multi-lingual support
				$language = new text;
				$text = $language->get();

			//validate the token
				$token = new token;
				if (!$token->validate($_SERVER['PHP_SELF'])) {
					message::add($text['message-invalid_token'],'negative');
					header('Location: '.$this->location);
					exit;
				}

			//copy the checked records
				if (is_array($records) && @sizeof($records) != 0) {

					//get checked records
						foreach($records as $record) {
							if ($record['checked'] == 'true' && is_uuid($record['uuid'])) {
								$uuids[] = "'".$record['uuid']."'";
							}
						}

					//create the array from existing data
						if (is_array($uuids) && @sizeof($uuids) != 0) {
							$sql = "select * from v_".$this->table." ";
							$sql .= "where ".$this->name."_uuid in (".implode(', ', $uuids).") ";
							$sql .= "and (domain_uuid = :domain_uuid or domain_uuid is null) ";
							$parameters['domain_uuid'] = $_SESSION['domain_uuid'];
							$database = new database;
							$rows = $database->select($sql, $parameters, 'all');
							if (is_array($rows) && @sizeof($rows) != 0) {
								$x = 0;
								foreach ($rows as $row) {
									//copy data
										$array[$this->table][$x] = $row;

									//add copy to the description
										$array[$this->table][$x][$this->name.'_uuid'] = uuid();

									//increment the id
										$x++;
								}
							}
							unset($sql, $parameters, $rows, $row);
						}

					//save the changes and set the message
						if (is_array($array) && @sizeof($array) != 0) {
							//save the array
								$database = new database;
								$database->app_name = $this->app_name;
								$database->app_uuid = $this->app_uuid;
								$database->save($array);
								unset($array);

							//set message
								message::add($text['message-copy']);
						}
						unset($records);
				}
		}
	}

}

?>