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Added comments to explain the potential race condition

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Signed-off-by: snipe <snipe@snipe.net>
This commit is contained in:
snipe 2023-10-13 12:18:19 +01:00
parent b96e77268a
commit c14a01eb8b
1 changed files with 17 additions and 5 deletions
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20
app/Observers/AssetObserver.php
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@ -121,16 +121,28 @@ class AssetObserver
$logAction->logaction('delete'); $logAction->logaction('delete');
} }
/**
* Executes every time an asset is saved.
*
* This matters specifically because any database fields affected here MUST already exist on
* the assets table (and/or any related models), or related migrations WILL fail.
*
* For example, if there is a database migration that's a bit older and modifies an asset, if the save
* fires before a field gets created in a later migration and that field in the later migration
* is used in this observer, it doesn't actually exist yet and the migration will break.
*
* @see https://github.com/snipe/snipe-it/issues/13723#issuecomment-1761315938
*/
public function saving(Asset $asset) public function saving(Asset $asset)
{ {
//determine if calculated eol and then calculate it - this should only happen on a new asset // determine if calculated eol and then calculate it - this should only happen on a new asset
if(is_null($asset->asset_eol_date) && !is_null($asset->purchase_date) && !is_null($asset->model->eol)){ if (is_null($asset->asset_eol_date) && !is_null($asset->purchase_date) && !is_null($asset->model->eol)){
$asset->asset_eol_date = $asset->purchase_date->addMonths($asset->model->eol)->format('Y-m-d'); $asset->asset_eol_date = $asset->purchase_date->addMonths($asset->model->eol)->format('Y-m-d');
$asset->eol_explicit = false; $asset->eol_explicit = false;
} }
//determine if explicit and set eol_explit to true // determine if explicit and set eol_explicit to true
if(!is_null($asset->asset_eol_date) && !is_null($asset->purchase_date)) { if (!is_null($asset->asset_eol_date) && !is_null($asset->purchase_date)) {
if($asset->model->eol) { if($asset->model->eol) {
$months = Carbon::parse($asset->asset_eol_date)->diffInMonths($asset->purchase_date); $months = Carbon::parse($asset->asset_eol_date)->diffInMonths($asset->purchase_date);
if($months != $asset->model->eol) { if($months != $asset->model->eol) {