/**
* show the previous or NEXT item in the list of items related to a plan
* or swap between chords and sheetmusic
*
* @param int $id plan id
* @param int $id item id or: 'seq-no-<seq_no>' !
* @param string $direction next|previous|swap
* @param string $chords (chords|sheetmusic)
*
* @return \Illuminate\Http\Response
*/
public function next(Request $request, $plan_id, $item_id, $direction, $chords = null)
{
// get item id of next or previous item from helper function
$new_item_id = nextItem($plan_id, $item_id, $direction);
// call edit with new item id
if ($chords == null) {
return $this->edit($plan_id, $new_item_id);
}
// swap between showing chords or sheetmusic
if ($direction == 'swap') {
if ($chords == 'chords') {
$chords = 'sheetmusic';
} else {
$chords = 'chords';
}
}
if ($chords == 'chords') {
return $this->show($new_item_id);
}
return $this->show($new_item_id, $chords);
}
function getItemTitle($item, $direction = 'next')
{
$nextItemId = nextItem($item->plan_id, $item->id, $direction);
$item = Item::find($nextItemId);
if ($item->song_id && $item->song->title) {
return $item->song->title;
}
return $item->comment;
}
