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Use streaming to handle large exports

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snipe 2016-09-12 14:06:55 -07:00
parent 0a506120b7
commit 5e2dbaffc4
1 changed files with 52 additions and 92 deletions
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144
app/Http/Controllers/ReportsController.php
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@ -21,6 +21,7 @@ use Illuminate\Support\Facades\View;
use Input;
use League\Csv\Reader;
use Redirect;
use Symfony\Component\HttpFoundation\StreamedResponse;
/**
* This controller handles all actions related to Reports for
@ -108,8 +109,8 @@ class ReportsController extends Controller
'model.manufacturer',
'company'
)
->orderBy('created_at', 'DESC')
->get();
->orderBy('created_at', 'DESC')
->get();
return View::make('reports/asset', compact('assets'))->with('settings', $settings);
}
@ -123,103 +124,62 @@ class ReportsController extends Controller
*/
public function exportAssetReport()
{
// Grab all the assets
$assets = Asset::orderBy('created_at', 'DESC')->get();
$rows = [ ];
\Debugbar::disable();
// Create the header row
$header = [
trans('admin/hardware/table.asset_tag'),
trans('admin/hardware/form.manufacturer'),
trans('admin/hardware/form.model'),
trans('general.model_no'),
trans('general.name'),
trans('admin/hardware/table.serial'),
trans('general.status'),
trans('admin/hardware/table.purchase_date'),
trans('admin/hardware/table.purchase_cost'),
trans('admin/hardware/form.order'),
trans('admin/hardware/form.supplier'),
trans('admin/hardware/table.checkoutto'),
trans('admin/hardware/table.location'),
trans('general.notes'),
];
$header = array_map('trim', $header);
$rows[] = implode($header, ',');
$response = new StreamedResponse(function(){
// Open output stream
$handle = fopen('php://output', 'w');
// Create a row per asset
foreach ($assets as $asset) {
$row = [ ];
$row[] = e($asset->asset_tag);
if ($asset->model->manufacturer) {
$row[] = e($asset->model->manufacturer->name);
} else {
$row[] = '';
}
$row[] = '"' . e($asset->model->name) . '"';
$row[] = '"' . e($asset->model->modelno) . '"';
$row[] = e($asset->name);
$row[] = e($asset->serial);
if ($asset->assetstatus) {
$row[] = e($asset->assetstatus->name);
} else {
$row[] = '';
}
$row[] = $asset->purchase_date;
$row[] = '"' . Helper::formatCurrencyOutput($asset->purchase_cost) . '"';
if ($asset->order_number) {
$row[] = e($asset->order_number);
} else {
$row[] = '';
}
if ($asset->supplier_id) {
$row[] = e($asset->supplier->name);
} else {
$row[] = '';
Asset::with('assigneduser', 'assetloc','defaultLoc','assigneduser.userloc','model','supplier','assetstatus','model.manufacturer')->orderBy('created_at', 'DESC')->chunk(500, function($assets) use($handle) {
fputcsv($handle, [
trans('admin/hardware/table.asset_tag'),
trans('admin/hardware/form.manufacturer'),
trans('admin/hardware/form.model'),
trans('general.model_no'),
trans('general.name'),
trans('admin/hardware/table.serial'),
trans('general.status'),
trans('admin/hardware/table.purchase_date'),
trans('admin/hardware/table.purchase_cost'),
trans('admin/hardware/form.order'),
trans('admin/hardware/form.supplier'),
trans('admin/hardware/table.checkoutto'),
trans('admin/hardware/table.location'),
trans('general.notes'),
]);
foreach ($assets as $asset) {
// Add a new row with data
fputcsv($handle, [
$asset->asset_tag,
($asset->model->manufacturer) ? $asset->model->manufacturer->name : '',
($asset->model) ? $asset->model->name : '',
($asset->model->modelno) ? $asset->model->modelno : '',
($asset->name) ? $asset->name : '',
($asset->serial) ? $asset->serial : '',
($asset->assetstatus) ? e($asset->assetstatus->name) : '',
($asset->purchase_date) ? e($asset->purchase_date) : '',
($asset->purchase_cost > 0) ? Helper::formatCurrencyOutput($asset->purchase_cost) : '',
($asset->order_number) ? e($asset->order_number) : '',
($asset->supplier) ? e($asset->supplier->name) : '',
($asset->assigneduser) ? e($asset->assigneduser->fullName()) : '',
($asset->assigneduser && $asset->assigneduser->userloc!='') ?
e($asset->assigneduser->userloc->name) : ( ($asset->defaultLoc!='') ? e($asset->defaultLoc->name) : ''),
($asset->notes) ? e($asset->notes) : '',
]);
}
});
if ($asset->assigned_to > 0) {
$user = User::find($asset->assigned_to);
$row[] = e($user->fullName());
} else {
$row[] = ''; // Empty string if unassigned
}
if (( $asset->assigned_to > 0 ) && ( $asset->assigneduser->location_id > 0 )) {
$location = Location::find($asset->assigneduser->location_id);
if ($location) {
$row[] = e($location->name);
} else {
$row[] = '';
}
} elseif ($asset->rtd_location_id) {
$location = Location::find($asset->rtd_location_id);
if ($location->name) {
$row[] = e($location->name);
} else {
$row[] = '';
}
} else {
$row[] = ''; // Empty string if location is not set
}
if ($asset->notes) {
$row[] = '"' . e($asset->notes) . '"';
} else {
$row[] = '';
}
$rows[] = implode($row, ',');
}
// spit out a csv
$csv = implode($rows, "\n");
$response = Response::make($csv, 200);
$response->header('Content-Type', 'text/csv');
$response->header('Content-disposition', 'attachment;filename=report.csv');
// Close the output stream
fclose($handle);
}, 200, [
'Content-Type' => 'text/csv',
'Content-Disposition' => 'attachment; filename="assets-'.date('Y-m-d-his').'.csv"',
]);
return $response;
}
/**