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//home/develito/www/tmp/install_611c368f79b6a/Site/lib/ctrl/api.php

<?php
/**
 * @package: SobiPro Library
 *
 * @author
 * Name: Sigrid Suski & Radek Suski, Sigsiu.NET GmbH
 * Email: sobi[at]sigsiu.net
 * Url: https://www.Sigsiu.NET
 *
 * @copyright Copyright (C) 2006 - 2020 Sigsiu.NET GmbH (https://www.sigsiu.net). All rights reserved.
 * @license GNU/LGPL Version 3
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation, and under the additional terms according section 7 of GPL v3.
 * See https://www.gnu.org/licenses/lgpl.html and https://www.sigsiu.net/licenses.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 *
 * @created Thu, Nov 2, 2017 by Radek Suski
 * @modified 04 May 2020 by Sigrid Suski
 */

defined( 'SOBIPRO' ) || exit( 'Restricted access' );

use Sobi\Input\Input;
use Sobi\Utils\StringUtils;

SPLoader::loadController( 'controller' );

/**
 * Class SPApiCtrl
 */
class SPApiCtrl extends SPController
{
	const ENTRIES_LIMIT = 25;

/**
	 * @return bool|void
	 */
	public function execute()
	{
		if ( !( Sobi::Cfg( 'api.enabled' ) ) ) {
			$this->answer( [], 403, [ 'error' => 'Unauthorised access' ] );
		}
		$data = null;
		try {
			switch ( $this->_task ) {
				case 'sections':
					$this->sections();
					break;
				case 'category':
					$this->category();
					break;
				case 'entries':
					$this->entries();
					break;
				case 'entry':
					$this->entry();
					break;
				case 'fields':
					$this->fields();
					break;
				case 'changes':
					$this->changes();
					break;
			}
		}
		catch ( Exception $x ) {
			$this->answer( [], $x->getCode(), [ 'error' => $x->getMessage() ] );
		}
	}

/**
	 * @throws \Sobi\Error\Exception
	 */
	protected function changes()
	{
		$from = Input::Int( 'from' );
		$from = date( 'Y-m-d H:i:s', $from );
		$changes = SPFactory::db()
			->dselect( [ 'sid', 'changeAction' ], 'spdb_history', [ 'changedAt' => [ 'from' => $from ] ] )
			->loadAssocList();
		$this->answer( $changes );
	}

/**
	 * @throws SPException
	 * @throws \Sobi\Error\Exception
	 */
	protected function fields()
	{
		$fields = [];
		$all = SPConfig::fields( Sobi::Section() );
		if ( count( $all ) ) {
			foreach ( $all as $fid => $name ) {
				/** @var SPField $field */
				$field = SPFactory::Model( 'field' );
				$field->init( $fid );
				if ( $field->get( 'enabled' ) ) {
					$fields[ $fid ] = [
						'type'          => $field->get( 'fieldType' ),
						'nid'           => $field->get( 'nid' ),
						'id'            => $field->get( 'id' ),
						'name'          => $field->get( 'name' ),
						'description'   => $field->get( 'description' ),
						'default-value' => $field->get( 'defaultValue' ),
						'priority'      => $field->get( 'priority' ),
						'position'      => $field->get( 'position' ),
						'required'      => $field->get( 'position' ),
					];
				}
				if ( method_exists( $field, 'apiData' ) ) {
					$field->apiData( $fields );
				}
			}
		}
		$this->answer( $fields );
	}

/**
	 * @throws SPException
	 * @throws \Sobi\Error\Exception
	 */
	protected function entries()
	{
		$sid = Input::Sid();
		$site = Input::Int( 'site', 'get', 1 );
		if ( $sid == Sobi::Section() ) {
			if ( !( Sobi::Can( 'section', 'access', 'valid', Sobi::Section() ) ) ) {
				throw new Exception( 'Unauthorised Access', 403 );
			}
			$category = SPFactory::Section( $sid );
		}
		else {
			/** @todo
			 * Check if it's a valid category
			 */
			$category = SPFactory::Category( $sid );
		}
		if ( $category->get( 'oType' ) != 'category' && $category->get( 'oType' ) != 'section' || !( $category->get( 'id' ) ) ) {
			throw new Exception( 'Wrong object type', 404 );
		}

/**
		 * @var SPSectionCtrl $controller
		 */
		$controller = SPFactory::Controller( 'section' );
		$controller->setModel( $category );
		$entries = $controller->getEntries( Sobi::Cfg( 'list.entries_ordering', 'name.asc' ), 0, 0, false, null, true );

$count = count( $entries );
		if ( count( $entries ) > self::ENTRIES_LIMIT ) {
			$from = $site == 1 ? $site - 1 : $site - 1 * self::ENTRIES_LIMIT;
			$entries = array_slice( $entries, $from, self::ENTRIES_LIMIT );
		}
		$data = [];
		foreach ( $entries as $sid ) {
			$entry = SPFactory::Entry( $sid );
			$fields = $entry->getFields();
			$fieldData = [];
			if ( count( $fields ) ) {
				foreach ( $fields as $field ) {
					$fieldData[] = [
						'name' => $field->get( 'name' ),
						'nid'  => $field->get( 'nid' ),
						'data' => method_exists( $field, 'apiData' ) ? $field->apiData() : $field->data(),
					];
				}
			}
			$data[] = [
				'sid'        => $sid,
				'name'       => $entry->get( 'name' ),
				'categories' => $entry->getCategories( true ),
				'fields'     => $fieldData,
			];
		}
		$this->answer( $data, 0, [ 'count' => $count, 'limit' => self::ENTRIES_LIMIT, 'sites' => (int) ceil( $count / self::ENTRIES_LIMIT ), 'site' => $site ] );
	}

/**
	 * @throws SPException
	 * @throws \Sobi\Error\Exception
	 */
	protected function entry()
	{
		$sid = Input::Sid();
		$entry = SPFactory::Entry( $sid );
		if ( !( Sobi::Can( 'entry', 'access', 'valid', $sid ) ) ) {
			/** @todo
			 * Check if it's a valid entry
			 */
		}
		if ( $entry->get( 'oType' ) != 'entry' || !( $entry->get( 'id' ) ) ) {
			throw new Exception( 'Wrong object type', 404 );
		}
		$entry->loadFields( Sobi::Section() );
		$fields = $entry->getFields();

$data = [
			'id'               => $sid,
			'name'             => $entry->get( 'name' ),
			'nid'              => $entry->get( 'nid' ),
			'type'             => $entry->get( 'oType' ),
			'description'      => $entry->get( 'description' ),
			'meta-keys'        => $entry->get( 'metaKeys' ),
			'meta-description' => $entry->get( 'metaDesc' ),
			'meta-author'      => $entry->get( 'metaAuthor' ),
			'created-time'     => $entry->get( 'createdTime' ),
			'last-updated'     => $entry->get( 'updatedTime' ),
		];
		$data[ 'fields' ] = [];
		$data = $this->travelFields( $fields, $data );
		$this->answer( $data );
	}

/**
	 * @throws SPException
	 */
	protected function category()
	{
		$sid = Input::Sid();
		$fields = [];
		if ( $sid == Sobi::Section() ) {
			if ( !( Sobi::Can( 'section', 'access', 'valid', Sobi::Section() ) ) ) {
				throw new Exception( 'Unauthorised Access', 403 );
			}
			$category = SPFactory::Section( $sid );
		}
		else {
			$category = SPFactory::Category( $sid );
			if ( !( Sobi::Can( 'category', 'access', 'valid', $sid ) ) ) {
				/** @todo
				 * Check if it's a valid category
				 */
//				throw new Exception( 'Unauthorised Access' );
			}
			$category->loadFields( Sobi::Section() );
			$fields = $category->getFields();
		}
		if ( $category->get( 'oType' ) != 'category' && $category->get( 'oType' ) != 'section' || !( $category->get( 'id' ) ) ) {
			throw new Exception( 'Wrong object type', 404 );
		}
		$childs = $category->getChilds( 'category', false, 1, true );
		$data = [
			'id'               => $sid,
			'name'             => $category->get( 'name' ),
			'nid'              => $category->get( 'nid' ),
			'type'             => $category->get( 'oType' ),
			'description'      => $category->get( 'description' ),
			'icon'             => SPFactory::config()->structuralData( 'json://' . $category->get( 'icon' ) ),
			'meta-keys'        => $category->get( 'metaKeys' ),
			'meta-description' => $category->get( 'metaDesc' ),
			'meta-author'      => $category->get( 'metaAuthor' ),
			'created-time'     => $category->get( 'createdTime' ),
			'last-updated'     => $category->get( 'updatedTime' ),
		];
		$data[ 'fields' ] = [];
		$data = $this->travelFields( $fields, $data[ 'fields' ] );
		$data[ 'childs' ] = [];
		if ( count( $childs ) ) {
			foreach ( $childs as $cid => $category ) {
				$data[ 'childs' ][] = [
					'id'   => $cid,
					'name' => $category[ 'name' ],
					'nid'  => $category[ 'alias' ],
				];
			}
		}
		$this->answer( $data );
	}

/**
	 * @throws \Sobi\Error\Exception
	 */
	protected function sections()
	{
		$data = [];
		$sections = [];
		try {
			$sections = SPFactory::db()
				->select( 'id', 'spdb_object', [ 'oType' => 'section' ], 'id' )
				->loadResultArray();
		}
		catch ( SPException $x ) {
			Sobi::Error( $this->name(), SPLang::e( 'DB_REPORTS_ERR', $x->getMessage() ), SPC::WARNING, 500, __LINE__, __FILE__ );
		}
		if ( count( $sections ) ) {
			$sections = SPLang::translateObject( $sections, 'name' );
			$data = [];
			foreach ( $sections as $section ) {
				if ( Sobi::Can( 'section', 'access', 'valid', $section[ 'id' ] ) ) {
					$data[] = [
						'id'   => $section[ 'id' ],
						'name' => StringUtils::Clean( $section[ 'value' ] ),
					];
				}
			}
		}
		$this->answer( $data );
	}

/**
	 * @param $data
	 * @param int $code
	 * @param array $header
	 *
	 * @throws SPException
	 */
	protected function answer( $data, $code = 0, $header = [] )
	{
		Sobi::Trigger( 'Api', ucfirst( $this->_task ), [ &$data ] );
		SPFactory::mainframe()
			->cleanBuffer()
			->customHeader( 'application/json', $code );
		header( 'Access-Control-Allow-Origin: *' );
		exit( json_encode( [ 'header' => $header, 'data' => $data ], JSON_PRETTY_PRINT | JSON_NUMERIC_CHECK | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION | JSON_UNESCAPED_LINE_TERMINATORS ) );
	}

/**
	 * @param $fields
	 * @param $data
	 *
	 * @throws SPException
	 */
	protected function travelFields( $fields, $data )
	{
		if ( count( $fields ) ) {
			foreach ( $fields as $field ) {
				$data[ 'fields' ][] = [
					'type'          => $field->get( 'fieldType' ),
					'nid'           => $field->get( 'nid' ),
					'id'            => $field->get( 'id' ),
					'name'          => $field->get( 'name' ),
					'data'          => $field->data(),
					'raw-data'      => $field->getRaw(),
					'description'   => $field->get( 'description' ),
					'default-value' => $field->get( 'defaultValue' ),
					'priority'      => $field->get( 'priority' ),
					'position'      => $field->get( 'position' ),
				];
			}
		}
		$this->answer( $data );
	}
}