doc/dev/plugins/flex-objects/classes/Table/DataTable.php

410 lines
11 KiB
PHP

<?php
declare(strict_types=1);
namespace Grav\Plugin\FlexObjects\Table;
use Grav\Common\Debugger;
use Grav\Common\Grav;
use Grav\Framework\Collection\CollectionInterface;
use Grav\Framework\Flex\Interfaces\FlexAuthorizeInterface;
use Grav\Framework\Flex\Interfaces\FlexCollectionInterface;
use Grav\Framework\Flex\Interfaces\FlexObjectInterface;
use JsonSerializable;
use Throwable;
use Twig\Environment;
use Twig\Error\LoaderError;
use Twig\Error\RuntimeError;
use Twig\Error\SyntaxError;
use function is_array;
use function is_string;
/**
* Class DataTable
* @package Grav\Plugin\Gitea
*
* https://github.com/ratiw/vuetable-2/wiki/Data-Format-(JSON)
* https://github.com/ratiw/vuetable-2/wiki/Sorting
*/
class DataTable implements JsonSerializable
{
/** @var string */
private $url;
/** @var int */
private $limit;
/** @var int */
private $page;
/** @var array */
private $sort;
/** @var string */
private $search;
/** @var FlexCollectionInterface */
private $collection;
/** @var FlexCollectionInterface */
private $filteredCollection;
/** @var array */
private $columns;
/** @var Environment */
private $twig;
/** @var array */
private $twig_context;
/**
* DataTable constructor.
* @param array $params
*/
public function __construct(array $params)
{
$this->setUrl($params['url'] ?? '');
$this->setLimit((int)($params['limit'] ?? 10));
$this->setPage((int)($params['page'] ?? 1));
$this->setSort($params['sort'] ?? ['id' => 'asc']);
$this->setSearch($params['search'] ?? '');
}
/**
* @param string $url
* @return void
*/
public function setUrl(string $url): void
{
$this->url = $url;
}
/**
* @param int $limit
* @return void
*/
public function setLimit(int $limit): void
{
$this->limit = max(1, $limit);
}
/**
* @param int $page
* @return void
*/
public function setPage(int $page): void
{
$this->page = max(1, $page);
}
/**
* @param string|string[] $sort
* @return void
*/
public function setSort($sort): void
{
if (is_string($sort)) {
$sort = $this->decodeSort($sort);
} elseif (!is_array($sort)) {
$sort = [];
}
$this->sort = $sort;
}
/**
* @param string $search
* @return void
*/
public function setSearch(string $search): void
{
$this->search = $search;
}
/**
* @param CollectionInterface $collection
* @return void
*/
public function setCollection(CollectionInterface $collection): void
{
$this->collection = $collection;
$this->filteredCollection = null;
}
/**
* @return int
*/
public function getLimit(): int
{
return $this->limit;
}
/**
* @return int
*/
public function getPage(): int
{
return $this->page;
}
/**
* @return int
*/
public function getLastPage(): int
{
return 1 + (int)floor(max(0, $this->getTotal()-1) / $this->getLimit());
}
/**
* @return int
*/
public function getTotal(): int
{
$collection = $this->filteredCollection ?? $this->getCollection();
return $collection ? $collection->count() : 0;
}
/**
* @return array
*/
public function getSort(): array
{
return $this->sort;
}
/**
* @return FlexCollectionInterface|null
*/
public function getCollection(): ?FlexCollectionInterface
{
return $this->collection;
}
/**
* @param int $page
* @return string|null
*/
public function getUrl(int $page): ?string
{
if ($page < 1 || $page > $this->getLastPage()) {
return null;
}
return "{$this->url}.json?page={$page}&per_page={$this->getLimit()}&sort={$this->encodeSort()}";
}
/**
* @return array
*/
public function getColumns(): array
{
if (null === $this->columns) {
$collection = $this->getCollection();
if (!$collection) {
return [];
}
$blueprint = $collection->getFlexDirectory()->getBlueprint();
$schema = $blueprint->schema();
$columns = $blueprint->get('config/admin/views/list/fields') ?? $blueprint->get('config/admin/list/fields', []);
$list = [];
foreach ($columns as $key => $options) {
if (!isset($options['field'])) {
$options['field'] = $schema->get($options['alias'] ?? $key);
}
if (!$options['field'] || !empty($options['field']['ignore'])) {
continue;
}
$list[$key] = $options;
}
$this->columns = $list;
}
return $this->columns;
}
/**
* @return array
*/
public function getData(): array
{
$grav = Grav::instance();
/** @var Debugger $debugger */
$debugger = $grav['debugger'];
$debugger->startTimer('datatable', 'Data Table');
$collection = $this->getCollection();
if (!$collection) {
return [];
}
if ($this->search !== '') {
$collection = $collection->search($this->search);
}
$columns = $this->getColumns();
$collection = $collection->sort($this->getSort());
$this->filteredCollection = $collection;
$limit = $this->getLimit();
$page = $this->getPage();
$to = $page * $limit;
$from = $to - $limit + 1;
if ($from < 1 || $from > $this->getTotal()) {
$debugger->stopTimer('datatable');
return [];
}
$array = $collection->slice($from-1, $limit);
$twig = $grav['twig'];
$grav->fireEvent('onTwigSiteVariables');
$this->twig = $twig->twig;
$this->twig_context = $twig->twig_vars;
$list = [];
/** @var FlexObjectInterface $object */
foreach ($array as $object) {
$item = [
'id' => $object->getKey(),
'timestamp' => $object->getTimestamp()
];
foreach ($columns as $name => $column) {
$item[str_replace('.', '_', $name)] = $this->renderColumn($name, $column, $object);
}
$item['_actions_'] = $this->renderActions($object);
$list[] = $item;
}
$debugger->stopTimer('datatable');
return $list;
}
/**
* @return array
*/
public function jsonSerialize(): array
{
$data = $this->getData();
$total = $this->getTotal();
$limit = $this->getLimit();
$page = $this->getPage();
$to = $page * $limit;
$from = $to - $limit + 1;
$empty = empty($data);
return [
'links' => [
'pagination' => [
'total' => $total,
'per_page' => $limit,
'current_page' => $page,
'last_page' => $this->getLastPage(),
'next_page_url' => $this->getUrl($page+1),
'prev_page_url' => $this->getUrl($page-1),
'from' => $empty ? null : $from,
'to' => $empty ? null : min($to, $total),
]
],
'data' => $data
];
}
/**
* @param string $name
* @param array $column
* @param FlexObjectInterface $object
* @return false|string
* @throws Throwable
* @throws LoaderError
* @throws RuntimeError
* @throws SyntaxError
*/
protected function renderColumn(string $name, array $column, FlexObjectInterface $object)
{
$grav = Grav::instance();
$flex = $grav['flex_objects'];
$value = $object->getFormValue($name) ?? $object->getNestedProperty($name, $column['field']['default'] ?? null);
$type = $column['field']['type'] ?? 'text';
$hasLink = $column['link'] ?? null;
$link = null;
$authorized = $object instanceof FlexAuthorizeInterface
? ($object->isAuthorized('read') || $object->isAuthorized('update')) : true;
if ($hasLink && $authorized) {
$route = $grav['route']->withExtension('');
$link = $route->withAddedPath($object->getKey())->withoutParams()->getUri();
}
$template = $this->twig->resolveTemplate(["forms/fields/{$type}/edit_list.html.twig", 'forms/fields/text/edit_list.html.twig']);
return $this->twig->load($template)->render([
'value' => $value,
'link' => $link,
'field' => $column['field'],
'object' => $object,
'flex' => $flex,
'route' => $grav['route']->withExtension('')
] + $this->twig_context);
}
/**
* @param FlexObjectInterface $object
* @return false|string
* @throws Throwable
* @throws LoaderError
* @throws RuntimeError
* @throws SyntaxError
*/
protected function renderActions(FlexObjectInterface $object)
{
$grav = Grav::instance();
$type = $object->getFlexType();
$template = $this->twig->resolveTemplate(["flex-objects/types/{$type}/list/list_actions.html.twig", 'flex-objects/types/default/list/list_actions.html.twig']);
return $this->twig->load($template)->render([
'object' => $object,
'flex' => $grav['flex_objects'],
'route' => $grav['route']->withExtension('')
] + $this->twig_context);
}
/**
* @param string $sort
* @param string $fieldSeparator
* @param string $orderSeparator
* @return array
*/
protected function decodeSort(string $sort, string $fieldSeparator = ',', string $orderSeparator = '|'): array
{
$strings = explode($fieldSeparator, $sort);
$list = [];
foreach ($strings as $string) {
$item = explode($orderSeparator, $string, 2);
$key = array_shift($item);
$order = array_shift($item) === 'desc' ? 'desc' : 'asc';
$list[$key] = $order;
}
return $list;
}
/**
* @param string $fieldSeparator
* @param string $orderSeparator
* @return string
*/
protected function encodeSort(string $fieldSeparator = ',', string $orderSeparator = '|'): string
{
$list = [];
foreach ($this->getSort() as $key => $order) {
$list[] = $key . $orderSeparator . ($order ?: 'asc');
}
return implode($fieldSeparator, $list);
}
}