<?php

namespace MGS\AdvancedReports\Block\Adminhtml;

class Grid extends \Magento\Backend\Block\Widget\Grid
{
protected $_storeSwitcherVisibility = true;
protected $_dateFilterVisibility = true;
protected $_filters = [];
protected $_defaultFilters = ['report_from' => '', 'report_to' => '', 'report_period' => 'day'];
protected $_subReportSize = 5;
protected $_errors = [];
protected $_template = 'MGS_AdvancedReports::grid.phtml';
protected $_filterValues;

protected function _prepareCollection()
{
$filter = $this->getParam($this->getVarNameFilter(), null);
if (null === $filter) {
$filter = $this->_defaultFilter;
}
if (is_string($filter)) {
$data = [];
$filter = base64_decode($filter);
parse_str(urldecode($filter), $data);
if (!isset($data['report_from'])) {
$date = (new \DateTime())->setTimestamp(mktime(0, 0, 0, 1, 1, 2001));
$data['report_from'] = $this->_localeDate->formatDateTime(
$date,
\IntlDateFormatter::SHORT,
\IntlDateFormatter::NONE
);
}
if (!isset($data['report_to'])) {
$date = new \DateTime();
$data['report_to'] = $this->_localeDate->formatDateTime(
$date,
\IntlDateFormatter::SHORT,
\IntlDateFormatter::NONE
);
}
$this->_setFilterValues($data);
} elseif ($filter && is_array($filter)) {
$this->_setFilterValues($filter);
} elseif (0 !== sizeof($this->_defaultFilter)) {
$this->_setFilterValues($this->_defaultFilter);
}
$collection = $this->getCollection();
if ($collection) {
$collection->setPeriod($this->getFilter('report_period'));

if ($this->getFilter('report_from') && $this->getFilter('report_to')) {
try {
$from = $this->_localeDate->scopeDate(null, $this->getFilter('report_from'), false);
$to = $this->_localeDate->scopeDate(null, $this->getFilter('report_to'), false);
$collection->setInterval($from, $to);
} catch (\Exception $e) {
$this->_errors[] = __('Invalid date specified');
}
}
$collection->setStoreIds($this->_getAllowedStoreIds());
if ($this->getSubReportSize() !== null) {
$collection->setPageSize($this->getSubReportSize());
}
$this->_eventManager->dispatch(
'adminhtml_widget_grid_filter_collection',
['collection' => $this->getCollection(), 'filter_values' => $this->_filterValues]
);
}

return $this;
}

protected function _getAllowedStoreIds()
{
$storeIds = [];
if ($this->getRequest()->getParam('store')) {
$storeIds = [$this->getParam('store')];
} elseif ($this->getRequest()->getParam('website')) {
$storeIds = $this->_storeManager->getWebsite($this->getRequest()->getParam('website'))->getStoreIds();
} elseif ($this->getRequest()->getParam('group')) {
$storeIds = $storeIds = $this->_storeManager->getGroup(
$this->getRequest()->getParam('group')
)->getStoreIds();
}
$allowedStoreIds = array_keys($this->_storeManager->getStores());
$storeIds = array_intersect($allowedStoreIds, $storeIds);
if (empty($storeIds)) {
$storeIds = $allowedStoreIds;
}
$storeIds = array_values($storeIds);
return $storeIds;
}

protected function _setFilterValues($data)
{
foreach ($data as $name => $value) {
$this->setFilter($name, $data[$name]);
}
return $this;
}

public function setStoreSwitcherVisibility($visible = true)
{
$this->_storeSwitcherVisibility = $visible;
}

public function getStoreSwitcherVisibility()
{
return $this->_storeSwitcherVisibility;
}

public function getStoreSwitcherHtml()
{
return $this->getChildHtml('store_switcher');
}

public function setDateFilterVisibility($visible = true)
{
$this->_dateFilterVisibility = $visible;
}

public function getDateFilterVisibility()
{
return $this->_dateFilterVisibility;
}

public function getDateFilterHtml()
{
return $this->getChildHtml('date_filter');
}

public function getPeriods()
{
return $this->getCollection()->getPeriods();
}

public function getDateFormat()
{
return $this->_localeDate->getDateFormat(\IntlDateFormatter::SHORT);
}

public function getRefreshButtonHtml()
{
return $this->getChildHtml('refresh_button');
}

public function setFilter($name, $value)
{
if ($name) {
$this->_filters[$name] = $value;
}
}

public function getFilter($name)
{
if (isset($this->_filters[$name])) {
return $this->_filters[$name];
} else {
return $this->getRequest()->getParam($name) ? htmlspecialchars($this->getRequest()->getParam($name)) : '';
}
}

public function setSubReportSize($size)
{
$this->_subReportSize = $size;
}

public function getSubReportSize()
{
return $this->_subReportSize;
}

public function getErrors()
{
return $this->_errors;
}

protected function _prepareFilterButtons()
{
$this->addChild(
'refresh_button',
'Magento\Backend\Block\Widget\Button',
['label' => __('Refresh'), 'onclick' => "{$this->getJsObjectName()}.doFilter();", 'class' => 'task']
);
}
}