/**
* Handle the event.
*
* @param CspotItemUpdated $event
* @return void
*/
public function handle(CspotItemUpdated $event)
{
// get item
$key = 'offline-' . $event->item->plan_id;
//$key .= '-'.(1*$event->item->seq_no);
// delete cached data of this item - NEW:
// delete cached data of the whole PLAN as it's now outdated
$cache = PlanCache::where('key', 'like', $key . '-%')->delete();
}
function deleteCachedItemsFromPastPlans($plan_id)
{
$caches = PlanCache::get();
// check each cache item if it is outdated
foreach ($caches as $cache) {
if ($cache->plan->date < Carbon::now() && $cache->plan->id != $plan_id) {
$cache->delete();
}
}
}
/**
* receive pre-rendered slides from client and buffer them for other users to download
*/
public function postCache(Request $request, $plan_id)
{
// validation
if (!$request->has('key')) {
return response()->json(['status' => 400, 'data' => "missing key or value!"], 400);
}
// allow for an empty value....
if (!$request->has('value')) {
$request->value = ' ';
}
// make sure it's a valid plan id
$plan = Plan::find($plan_id);
// save key and value to local cache (replacing existing values)
if ($plan->count()) {
// keep only future plans in cache
deleteCachedItemsFromPastPlans($plan_id);
// is there already a value for that key?
$cache = PlanCache::where('key', $request->key)->first();
if ($cache) {
// yes, so just update the existing value
$cache->update(['value' => $request->value]);
// return ok response
return response()->json(['status' => 200, 'data' => "Updated!"], 200);
}
// extract item id from request
if ($request->has('item_id')) {
$item_id = $request->item_id;
} else {
$item_id = 9999999;
}
// no, so create a new key/value pair in the PlanCaches table
$cache = new PlanCache(['key' => $request->key, 'value' => $request->value, 'item_id' => $item_id]);
$plan->planCaches()->save($cache);
// return ok response
return response()->json(['status' => 200, 'data' => "Inserted!"], 200);
}
return response()->json(['status' => 404, 'data' => "plan with id {$plan_id} not found"], 404);
}
