/**
* Display the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function show(Request $request)
{
// First lets make sure they provided everything we need here
$rules = ['from' => 'required', 'to' => 'required', 'add_date' => 'required', 'shipping_date' => 'required_if:add_date,1|date', 'label_count' => 'required|integer'];
$messages = ['shipping_date.required_if' => 'The shipping date is required unless you choose to leave it empty.'];
// If not, this will send them back to the form.
$this->validate($request, $rules, $messages);
// Now, lets get all our form data so we can build the labels
$data = array();
$data['from'] = Institution::with('courier')->find(Input::get('from'));
$data['to'] = Institution::with('courier')->whereIn('id', Input::get('to'))->get();
$data['date'] = Input::get('add_date', false) ? Input::get('shipping_date') : null;
$data['count'] = Input::get('label_count', 1);
if ($data['to']->count() * $data['count'] > 40) {
return Redirect::back()->withErrors(['Cannot print more than 10 pages at a time. Decrease the number of labels per institution or the number of institutions.']);
}
// We want to build them 4 to a page so lets create the individual pages here
// with references to the "To" institutions
$page = null;
$pages = array();
for ($i = 0; $i < $data['count']; $i++) {
foreach ($data['to'] as $index => $institution) {
$count = $i * count($data['to']) + $index;
if ($count % 4 == 0) {
if (!is_null($page)) {
$pages[] = $page;
}
$page = new \stdClass();
$page->labels = array();
}
$page->labels[] = $index;
}
}
// If the last page was only partially full, fill it up with extra labels
$index = 0;
while (count($page->labels) < 4) {
$page->labels[] = $index;
$index = $index < count($data['to']) - 1 ? $index + 1 : 0;
}
$pages[] = $page;
// Add pages to our data array
$data['pages'] = $pages;
// Use for debugging purposes, it shows the labels in HTML
// return view('labels.show', ['data' => $data]);
// Finally, lets build the PDF from our view
return PDF::loadView('labels.show', ['data' => $data])->setOrientation('landscape')->stream('labels' . time() . '.pdf');
}
public function listJson()
{
// Return active institutions as a JSON list
$list = Institution::with('courier')->get();
return response()->json($list);
}
