snipe-it/app/Observers/AssetObserver.php

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<?php
namespace App\Observers;
use App\Models\Actionlog;
use App\Models\Asset;
use App\Models\Setting;
use Auth;
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use Carbon\Carbon;
class AssetObserver
{
/**
* Listen to the Asset updating event. This fires automatically every time an existing asset is saved.
*
* @param Asset $asset
* @return void
*/
public function updating(Asset $asset)
{
$attributes = $asset->getAttributes();
$attributesOriginal = $asset->getRawOriginal();
$same_checkout_counter = false;
$same_checkin_counter = false;
if (array_key_exists('checkout_counter', $attributes) && array_key_exists('checkout_counter', $attributesOriginal)){
$same_checkout_counter = (($attributes['checkout_counter'] == $attributesOriginal['checkout_counter']));
}
if (array_key_exists('checkin_counter', $attributes) && array_key_exists('checkin_counter', $attributesOriginal)){
$same_checkin_counter = (($attributes['checkin_counter'] == $attributesOriginal['checkin_counter']));
}
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// If the asset isn't being checked out or audited, log the update.
// (Those other actions already create log entries.)
if (($attributes['assigned_to'] == $attributesOriginal['assigned_to'])
&& ($same_checkout_counter) && ($same_checkin_counter)
&& ((isset( $attributes['next_audit_date']) ? $attributes['next_audit_date'] : null) == (isset($attributesOriginal['next_audit_date']) ? $attributesOriginal['next_audit_date']: null))
&& ($attributes['last_checkout'] == $attributesOriginal['last_checkout']))
{
$changed = [];
foreach ($asset->getRawOriginal() as $key => $value) {
if ($asset->getRawOriginal()[$key] != $asset->getAttributes()[$key]) {
$changed[$key]['old'] = $asset->getRawOriginal()[$key];
$changed[$key]['new'] = $asset->getAttributes()[$key];
}
}
if (empty($changed)){
return;
}
$logAction = new Actionlog();
$logAction->item_type = Asset::class;
$logAction->item_id = $asset->id;
$logAction->created_at = date('Y-m-d H:i:s');
$logAction->user_id = Auth::id();
$logAction->log_meta = json_encode($changed);
$logAction->logaction('update');
}
}
/**
* Listen to the Asset created event, and increment
* the next_auto_tag_base value in the settings table when i
* a new asset is created.
*
* @param Asset $asset
* @return void
*/
public function created(Asset $asset)
{
if ($settings = Setting::getSettings()) {
$tag = $asset->asset_tag;
$prefix = $settings->auto_increment_prefix;
$number = substr($tag, strlen($prefix));
// IF - auto_increment_assets is on, AND (there is no prefix OR the prefix matches the start of the tag)
// AND the rest of the string after the prefix is all digits, THEN...
if ($settings->auto_increment_assets && ($prefix=='' || strpos($tag, $prefix) === 0) && preg_match('/\d+/',$number) === 1) {
// new way of auto-trueing-up auto_increment ID's
$next_asset_tag = intval($number, 10) + 1;
// we had to use 'intval' because the $number could be '01234' and
// might get interpreted in Octal instead of decimal
// only modify the 'next' one if it's *bigger* than the stored base
//
if($next_asset_tag > $settings->next_auto_tag_base) {
$settings->next_auto_tag_base = $next_asset_tag;
$settings->save();
}
} else {
// legacy method
$settings->increment('next_auto_tag_base');
$settings->save();
}
}
$logAction = new Actionlog();
$logAction->item_type = Asset::class; // can we instead say $logAction->item = $asset ?
$logAction->item_id = $asset->id;
$logAction->created_at = date('Y-m-d H:i:s');
$logAction->user_id = Auth::id();
$logAction->logaction('create');
}
/**
* Listen to the Asset deleting event.
*
* @param Asset $asset
* @return void
*/
public function deleting(Asset $asset)
{
$logAction = new Actionlog();
$logAction->item_type = Asset::class;
$logAction->item_id = $asset->id;
$logAction->created_at = date('Y-m-d H:i:s');
$logAction->user_id = Auth::id();
$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 unless we
* use saveQuietly() in the migration which skips this observer.
*
* @see https://github.com/snipe/snipe-it/issues/13723#issuecomment-1761315938
*/
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public function saving(Asset $asset)
{
// determine if calculated eol and then calculate it - this should only happen on a new asset
if (is_null($asset->asset_eol_date) && !is_null($asset->purchase_date) && ($asset->model->eol > 0)){
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$asset->asset_eol_date = $asset->purchase_date->addMonths($asset->model->eol)->format('Y-m-d');
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$asset->eol_explicit = false;
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}
// determine if explicit and set eol_explicit to true
if (!is_null($asset->asset_eol_date) && !is_null($asset->purchase_date)) {
if($asset->model->eol > 0) {
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$months = Carbon::parse($asset->asset_eol_date)->diffInMonths($asset->purchase_date);
if($months != $asset->model->eol) {
$asset->eol_explicit = true;
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}
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}
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} elseif (!is_null($asset->asset_eol_date) && is_null($asset->purchase_date)) {
$asset->eol_explicit = true;
}
if ((!is_null($asset->asset_eol_date)) && (!is_null($asset->purchase_date)) && (is_null($asset->model->eol) || ($asset->model->eol == 0))) {
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$asset->eol_explicit = true;
}
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}
}