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<?php
namespace Yajra\DataTables\Html\Options;
use Illuminate\Support\Arr;
use Yajra\DataTables\Utilities\Helper;
/**
* DataTables - Data option builder.
*
* @see https://datatables.net/reference/option/
*/
trait HasAjax
{
/**
* Setup "ajax" parameter with POST method.
*
* @param array|string $attributes
* @return $this
*/
public function postAjax(array|string $attributes = ''): static
{
if (! is_array($attributes)) {
$attributes = ['url' => $attributes];
}
unset($attributes['method']);
Arr::set($attributes, 'type', 'POST');
Arr::set($attributes, 'headers.X-HTTP-Method-Override', 'GET');
return $this->ajax($attributes);
}
/**
* Setup ajax parameter.
*
* @param array|string $attributes
* @return $this
*/
public function ajax(array|string $attributes = ''): static
{
$this->ajax = $attributes;
return $this;
}
/**
* @param string $url
* @param string $formSelector
* @return $this
*/
public function postAjaxWithForm(string $url, string $formSelector): static
{
$attributes = ['url' => $url];
Arr::set($attributes, 'type', 'POST');
Arr::set($attributes, 'headers.X-HTTP-Method-Override', 'GET');
$script = $this->getScriptWithFormSelector($formSelector);
$attributes['data'] = "function(data) { $script }";
return $this->ajax($attributes);
}
/**
* @param string $formSelector
* @return string
*/
protected function getScriptWithFormSelector(string $formSelector): string
{
return <<<CDATA
var formData = _.groupBy($("$formSelector").find("input, select, textarea").serializeArray(), function(d) { return d.name; } );
$.each(formData, function(i, group){
if (group.length > 1) {
data[group[0].name] = [];
$.each(group, function(i, obj) {
data[obj.name].push(obj.value)
})
} else {
data[group[0].name] = group[0].value;
}
});
CDATA;
}
/**
* Setup ajax parameter for datatables pipeline plugin.
*
* @param string $url
* @param int $pages
* @return $this
* @see https://datatables.net/examples/server_side/pipeline.html
*/
public function pipeline(string $url, int $pages = 5): static
{
return $this->ajax("$.fn.dataTable.pipeline({ url: '$url', pages: $pages })");
}
/**
* Get ajax url.
*
* @return string
*/
public function getAjaxUrl(): string
{
if (is_array($this->ajax)) {
return $this->ajax['url'] ?: url()->current();
}
return $this->ajax ?: url()->current();
}
/**
* Set ajax url with data added from form.
*
* @param string $url
* @param string $formSelector
* @return $this
*/
public function ajaxWithForm(string $url, string $formSelector): static
{
return $this->minifiedAjax($url, $this->getScriptWithFormSelector($formSelector));
}
/**
* Minify ajax url generated when using get request
* by deleting unnecessary url params.
*
* @param string $url
* @param string|null $script
* @param array $data
* @param array $ajaxParameters
* @return $this
*/
public function minifiedAjax(
string $url = '',
string $script = null,
array $data = [],
array $ajaxParameters = []
): static {
$this->ajax = [];
$appendData = $this->makeDataScript($data);
$this->ajax['url'] = empty($url) ? url()->full() : $url;
$this->ajax['type'] = 'GET';
if (! isset($this->attributes['serverSide']) || $this->attributes['serverSide']) {
$this->ajax['data'] = 'function(data) {
for (var i = 0, len = data.columns.length; i < len; i++) {
if (!data.columns[i].search.value) delete data.columns[i].search;
if (data.columns[i].searchable === true) delete data.columns[i].searchable;
if (data.columns[i].orderable === true) delete data.columns[i].orderable;
if (data.columns[i].data === data.columns[i].name) delete data.columns[i].name;
}
delete data.search.regex;';
} else {
$this->ajax['data'] = 'function(data){';
}
if ($appendData) {
$this->ajax['data'] .= $appendData;
}
if ($script) {
$this->ajax['data'] .= $script;
}
$this->ajax['data'] .= '}';
$this->ajax = array_merge($this->ajax, $ajaxParameters);
return $this;
}
/**
* Make a data script to be appended on ajax request of dataTables.
*
* @param array $data
* @return string
*/
protected function makeDataScript(array $data): string
{
$script = '';
foreach ($data as $key => $value) {
$dataValue = Helper::isJavascript($value, $key) ? $value : (is_string($value) ? "'$value'" : $value);
$script .= PHP_EOL."data.$key = $dataValue;";
}
return $script;
}
}