Fixed FD-52058 - Importer using wrong created_at date

app/Importer/AccessoryImporter.php

@@ -37,7 +37,8 @@ class AccessoryImporter extends ItemImporter
             $this->log('Updating Accessory');
             $this->item['model_number'] = trim($this->findCsvMatch($row, 'model_number'));
             $accessory->update($this->sanitizeItemForUpdating($accessory));
-            $accessory->save();
+            // update() already saves the model, no need to call save() again while Model::unguard() is active
+            $accessory->setImported(true);
 
             return;
         }

app/Importer/AssetImporter.php

@@ -176,35 +176,55 @@ class AssetImporter extends ItemImporter
 
         if ($editingAsset) {
             $asset->update($item);
+            $asset->setImported(true);
         } else {
             $asset->fill($item);
+            $asset->setImported(true);
         }
 
         // If we're updating, we don't want to overwrite old fields.
+        // Apply custom fields to asset attributes if they exist
+        $customFieldsToSave = [];
         if (array_key_exists('custom_fields', $this->item)) {
             foreach ($this->item['custom_fields'] as $custom_field => $val) {
                 $asset->{$custom_field} = $val;
+                $customFieldsToSave[$custom_field] = $val;
             }
         }
 
-        // This sets an attribute on the Loggable trait for the action log
+        // For existing assets that have custom fields, update them.
-        $asset->setImported(true);
+        // This avoids the issue of calling save() twice with Model::unguard() active.
+        if ($editingAsset && !empty($customFieldsToSave)) {
+            $asset->update($customFieldsToSave);
+            $success = true;
+        } elseif (!$editingAsset) {
+            // For new assets, save with all changes (custom fields included via direct attribute assignment above)
+            $success = $asset->save();
+        } else {
+            // For existing assets without custom fields, update() already saved everything
+            $success = true;
+        }
 
-        if ($asset->save()) {
+        if ($success) {
 
-            $this->log('Asset '.$this->item['name'].' with serial number '.$this->item['serial'].' was created');
+            $this->log('Asset '.$this->item['name'].' with serial number '.$this->item['serial'].' created or updated');
 
             // If we have a target to checkout to, lets do so.
             // -- created_by is a property of the abstract class Importer, which this class inherits from and it's set by
             // -- the class that needs to use it (command importer or GUI importer inside the project).
             if (isset($target) && ($target !== false)) {
-                if (! is_null($asset->assigned_to)) {
+                $asset = $asset->fresh();
-                    if ($asset->assigned_to != $target->id) {
+                $targetType = get_class($target);
+                $alreadyCheckedOutToTarget = ($asset->assigned_to == $target->id) && ($asset->assigned_type === $targetType);
+
+                // Skip duplicate checkout noise when update mode keeps the same assignment target.
+                if (! $alreadyCheckedOutToTarget) {
+                    if (! is_null($asset->assigned_to)) {
                         event(new CheckoutableCheckedIn($asset, $asset->assigned, auth()->user(), 'Checkin from CSV Importer', $checkin_date));
                     }
-                }
 
-                $asset->fresh()->checkOut($target, $this->created_by, $checkout_date, null, 'Checkout from CSV Importer', $asset->name);
+                    $asset->checkOut($target, $this->created_by, $checkout_date, null, 'Checkout from CSV Importer', $asset->name);
+                }
             }
 
             return;

app/Importer/ComponentImporter.php

@@ -42,7 +42,8 @@ class ComponentImporter extends ItemImporter
             }
             $this->log('Updating Component');
             $component->update($this->sanitizeItemForUpdating($component));
-            $component->save();
+            // update() already saves the model, no need to call save() again while Model::unguard() is active
+            $component->setImported(true);
 
             return;
         }

app/Importer/ConsumableImporter.php

@@ -38,7 +38,8 @@ class ConsumableImporter extends ItemImporter
             }
             $this->log('Updating Consumable');
             $consumable->update($this->sanitizeItemForUpdating($consumable));
-            $consumable->save();
+            // update() already saves the model, no need to call save() again while Model::unguard() is active
+            $consumable->setImported(true);
 
             return;
         }

app/Importer/LicenseImporter.php

@@ -88,8 +88,12 @@ class LicenseImporter extends ItemImporter
 
         // This sets an attribute on the Loggable trait for the action log
         $license->setImported(true);
-        if ($license->save()) {
+
-            $this->log('License '.$this->item['name'].' with serial number '.$this->item['serial'].' was created');
+        // For new licenses we need to save, for existing ones update() already saved
+        $licenseWasSaved = $editingLicense || $license->save();
+
+        if ($licenseWasSaved) {
+            $this->log('License '.$this->item['name'].' with serial number '.$this->item['serial'].' was created or updated');
 
             // Lets try to checkout seats if the fields exist and we have seats.
             if ($license->seats > 0) {

sample_csvs/assets-sample.csv

@@ -1,5 +1,5 @@
 Company,Name,Asset Tag,Category,Supplier,Manufacturer,Location,Order Number,Model,Model Notes,Model Number,Asset Notes,Purchase Date,Purchase Cost,Checkout Type,Checked Out To: Username,Checked Out To: First Name,Checked Out To: Last Name,Checked Out To: Email,Checked Out To: Location,Asset EOL Date
-Abshire and Sons,Backhoe,ICC-2065556,Ornamental Railings,"Kunde, Doyle and Kozey",Berge Inc,"Wilkinson, Waters and Kerluke",3271901481,"Macbook Pro 13""",,1786VM80X07,at nulla suspendisse potenti cras in purus eu magna vulputate luctus cum sociis natoque penatibus et magnis dis,1/23/23,2266.13,,,,,,,10/27/28
+Abshire and Sons and Sons and Sons and Sons!,Backhoe,ICC-2065556,Ornamental Railings,"Kunde, Doyle and Kozey",Berge Inc,"Wilkinson, Waters and Kerluke",3271901481,"Macbook Pro 13""",,1786VM80X07,at nulla suspendisse potenti cras in purus eu magna vulputate luctus cum sociis natoque penatibus et magnis dis,1/23/23,2266.13,,,,,,,10/27/28
 "Quitzon, Oberbrunner and Dibbert",Dragline,WBH-2841795,Structural and Misc Steel (Fabrication),Krajcik LLC,"Botsford, Boyle and Herzog",Lindgren-Marquardt,5504512275,"Macbook Pro 13""",ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia curae mauris viverra diam vitae quam suspendisse potenti nullam,9351IS25A51,aliquam convallis nunc proin at turpis a pede posuere nonummy integer,11/14/22,1292.94,User,gmccrackem2a,Gage,McCrackem,gmccrackem2a@bing.com,,10/27/28
 Boyer and Sons,Excavator,NNH-3656031,Soft Flooring and Base,"Heaney, Altenwerth and Emmerich",Pollich LLC,Pacocha-Kiehn,4861125177,"Macbook Pro 13""",,9929FR08W85,,3/1/23,2300.71,Location,,,,,Pacocha-Kiehn,10/27/28
 Hayes-Rippin,Trencher,BOL-0305383,Prefabricated Aluminum Metal Canopies,"Botsford, Boyle and Herzog",Walker-Towne,Fritsch-Abernathy,2416994639,"Macbook Pro 13""",neque vestibulum eget vulputate ut ultrices vel augue vestibulum ante ipsum primis in faucibus orci luctus,9139KQ78G81,,10/26/22,1777.56,User,ksennett6,Katerina,Sennett,ksennett6@ibm.com,,10/27/28

tests/Feature/Importing/Api/ImportAccessoriesTest.php

@@ -305,6 +305,49 @@ class ImportAccessoriesTest extends ImportDataTestCase implements TestsPermissio
         );
     }
 
+    #[Test]
+    public function update_mode_logs_accessory_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+
+        $initialImport = Import::factory()->accessory()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $accessory = Accessory::query()->where('name', $initialRow['itemName'])->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'orderNumber' => (string) $initialRow['orderNumber'].'-UPD',
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->accessory()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $accessory->refresh();
+        $this->assertEquals($updatedRow['orderNumber'], $accessory->order_number);
+
+        $updateLog = Actionlog::query()
+            ->where('item_type', Accessory::class)
+            ->where('item_id', $accessory->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after accessory importer update mode.');
+    }
+
     #[Test]
     public function when_import_file_contains_empty_values(): void
     {

tests/Feature/Importing/Api/ImportAssetModelsTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Feature\Importing\Api;
 
+use App\Models\Actionlog as ActionLog;
 use App\Models\AssetModel;
 use App\Models\Category;
 use App\Models\Import;
@@ -131,4 +132,46 @@ class ImportAssetModelsTest extends ImportDataTestCase implements TestsPermissio
         $this->assertEquals($row['name'], $updatedAssetmodel->name);
 
     }
+
+    #[Test]
+    public function update_mode_logs_asset_model_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+        $initialImport = Import::factory()->assetmodel()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $assetModel = AssetModel::query()->where('name', $initialRow['name'])->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'model_number' => Str::random(),
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->assetmodel()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $assetModel->refresh();
+        $this->assertEquals($updatedRow['model_number'], $assetModel->model_number);
+
+        $updateLog = ActionLog::query()
+            ->where('item_type', AssetModel::class)
+            ->where('item_id', $assetModel->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after asset model importer update mode.');
+    }
 }

tests/Feature/Importing/Api/ImportAssetsTest.php

@@ -427,6 +427,58 @@ class ImportAssetsTest extends ImportDataTestCase implements TestsPermissionsReq
         );
     }
 
+    #[Test]
+    public function update_mode_logs_asset_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+
+        $initialImport = Import::factory()->asset()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $asset = Asset::query()->where('asset_tag', $initialRow['tag'])->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'itemName' => $initialRow['itemName'].' Updated',
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->asset()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $asset->refresh();
+        $this->assertEquals($updatedRow['itemName'], $asset->name);
+
+        $updateLog = ActionLog::query()
+            ->where('item_type', Asset::class)
+            ->where('item_id', $asset->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after importer update mode.');
+        $this->assertStringContainsString('name', (string) $updateLog->log_meta);
+
+        $checkoutLogsCount = ActionLog::query()
+            ->where('item_type', Asset::class)
+            ->where('item_id', $asset->id)
+            ->where('action_type', 'checkout')
+            ->count();
+
+        $this->assertSame(1, $checkoutLogsCount, 'Re-import update should not create a duplicate checkout log for the same assignment.');
+    }
+
     #[Test]
     public function custom_column_mapping(): void
     {

tests/Feature/Importing/Api/ImportComponentsTest.php

@@ -249,6 +249,52 @@ class ImportComponentsTest extends ImportDataTestCase implements TestsPermission
         $this->assertEquals($component->notes, $updatedComponent->notes);
     }
 
+    #[Test]
+    public function update_mode_logs_component_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+
+        $initialImport = Import::factory()->component()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $component = Component::query()
+            ->where('name', $initialRow['itemName'])
+            ->where('serial', $initialRow['serialNumber'])
+            ->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'orderNumber' => (string) $initialRow['orderNumber'].'-UPD',
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->component()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $component->refresh();
+        $this->assertEquals($updatedRow['orderNumber'], $component->order_number);
+
+        $updateLog = ActionLog::query()
+            ->where('item_type', Component::class)
+            ->where('item_id', $component->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after component importer update mode.');
+    }
+
     #[Test]
     public function custom_column_mapping(): void
     {

tests/Feature/Importing/Api/ImportConsumablesTest.php

@@ -243,6 +243,49 @@ class ImportConsumablesTest extends ImportDataTestCase implements TestsPermissio
         $this->assertEquals($consumable->item_number, $updatedConsumable->item_number);
     }
 
+    #[Test]
+    public function update_mode_logs_consumable_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+
+        $initialImport = Import::factory()->consumable()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $consumable = Consumable::query()->where('name', $initialRow['itemName'])->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'orderNumber' => (string) $initialRow['orderNumber'].'-UPD',
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->consumable()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $consumable->refresh();
+        $this->assertEquals($updatedRow['orderNumber'], $consumable->order_number);
+
+        $updateLog = ActivityLog::query()
+            ->where('item_type', Consumable::class)
+            ->where('item_id', $consumable->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after consumable importer update mode.');
+    }
+
     #[Test]
     public function custom_column_mapping(): void
     {

tests/Feature/Importing/Api/ImportLicenseTest.php

@@ -277,6 +277,52 @@ class ImportLicenseTest extends ImportDataTestCase implements TestsPermissionsRe
         $this->assertEquals($license->min_amt, $updatedLicense->min_amt);
     }
 
+    #[Test]
+    public function update_mode_logs_license_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+
+        $initialImport = Import::factory()->license()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $license = License::query()
+            ->where('name', $initialRow['licenseName'])
+            ->where('serial', $initialRow['serialNumber'])
+            ->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'orderNumber' => (string) $initialRow['orderNumber'].'-UPD',
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->license()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $license->refresh();
+        $this->assertEquals($updatedRow['orderNumber'], $license->order_number);
+
+        $updateLog = ActivityLog::query()
+            ->where('item_type', License::class)
+            ->where('item_id', $license->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after license importer update mode.');
+    }
+
     #[Test]
     public function custom_column_mapping(): void
     {

tests/Feature/Importing/Api/ImportLocationsTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Feature\Importing\Api;
 
+use App\Models\Actionlog as ActionLog;
 use App\Models\Import;
 use App\Models\Location;
 use App\Models\User;
@@ -129,4 +130,46 @@ class ImportLocationsTest extends ImportDataTestCase implements TestsPermissions
             Arr::except($updatedLocation->attributesToArray(), array_merge($updatedAttributes, $location->getDates())),
         );
     }
+
+    #[Test]
+    public function update_mode_logs_location_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+        $initialImport = Import::factory()->locations()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $location = Location::query()->where('name', $initialRow['name'])->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'notes' => 'Importer update notes',
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->locations()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $location->refresh();
+        $this->assertEquals($updatedRow['notes'], $location->notes);
+
+        $updateLog = ActionLog::query()
+            ->where('item_type', Location::class)
+            ->where('item_id', $location->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after location importer update mode.');
+    }
 }

tests/Feature/Importing/Api/ImportUsersTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Feature\Importing\Api;
 
+use App\Models\Actionlog as ActionLog;
 use App\Models\Asset;
 use App\Models\Import;
 use App\Models\Location;
@@ -260,6 +261,48 @@ class ImportUsersTest extends ImportDataTestCase implements TestsPermissionsRequ
         );
     }
 
+    #[Test]
+    public function update_mode_logs_user_update_in_actionlog(): void
+    {
+        $this->actingAsForApi(User::factory()->superuser()->create());
+
+        $initialFile = ImportFileBuilder::new();
+        $initialRow = $initialFile->firstRow();
+        $initialImport = Import::factory()->users()->create([
+            'file_path' => $initialFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse(['import' => $initialImport->id])->assertOk();
+
+        $user = User::query()->where('username', $initialRow['username'])->sole();
+
+        $updatedRow = array_merge($initialRow, [
+            'position' => $initialRow['position'].' Updated',
+        ]);
+
+        $updateFile = new ImportFileBuilder([$updatedRow]);
+        $updateImport = Import::factory()->users()->create([
+            'file_path' => $updateFile->saveToImportsDirectory(),
+        ]);
+
+        $this->importFileResponse([
+            'import' => $updateImport->id,
+            'import-update' => true,
+        ])->assertOk();
+
+        $user->refresh();
+        $this->assertEquals($updatedRow['position'], $user->jobtitle);
+
+        $updateLog = ActionLog::query()
+            ->where('item_type', User::class)
+            ->where('item_id', $user->id)
+            ->where('action_type', 'update')
+            ->latest('id')
+            ->first();
+
+        $this->assertNotNull($updateLog, 'Expected an update action log entry after user importer update mode.');
+    }
+
     /**
      * Some of these should mismatch on purpose to ensure the mapping is working
      */

tests/Feature/Importing/AssetImportCreatedAtTest.php

@@ -0,0 +1,193 @@
+<?php
+
+namespace Tests\Feature\Importing;
+
+use App\Models\Asset;
+use App\Models\AssetModel;
+use App\Models\Category;
+use App\Models\Company;
+use App\Models\Location;
+use App\Models\Statuslabel;
+use App\Models\User;
+use PHPUnit\Framework\Attributes\Test;
+use Tests\TestCase;
+
+class AssetImportCreatedAtTest extends TestCase
+{
+    /**
+     * Test that importing assets doesn't modify created_at timestamps on existing assets
+     * This test addresses the reported bug where large imports caused random created_at changes
+     */
+    #[Test]
+    public function existing_asset_created_at_not_modified_on_import_update()
+    {
+        // Create test data
+        $category = Category::factory()->create(['category_type' => 'asset']);
+        $location = Location::factory()->create();
+        $statusLabel = Statuslabel::factory()->create();
+        $company = Company::factory()->create();
+        $assetModel = AssetModel::factory()->for($category, 'category')->create();
+
+        // Create an existing asset with a known created_at date
+        $originalCreatedAt = now()->subDays(30)->toDateTimeString();
+        $asset = Asset::factory()
+            ->for($assetModel, 'model')
+            ->for($statusLabel, 'status')
+            ->for($location, 'defaultLoc')
+            ->for($company, 'company')
+            ->create([
+                'asset_tag' => 'TEST-001',
+                'name' => 'Test Asset',
+                'created_at' => $originalCreatedAt,
+            ]);
+
+        // Create CSV content that updates the existing asset
+        $csv = "asset tag,item name,category,status\n";
+        $csv .= "TEST-001,Test Asset Updated,{$category->name},{$statusLabel->name}\n";
+
+        // Perform import with update flag
+        $this->actingAsForApi(User::factory()->canImport()->create())
+            ->postJson(route('api.imports.store'), [
+                'files' => [
+                    $this->createFakeUploadedFile('test.csv', $csv),
+                ],
+            ])
+            ->assertSuccessful();
+
+        // Import the file
+        $import = \App\Models\Import::latest()->first();
+        $this->actingAsForApi(User::factory()->canImport()->create())
+            ->postJson(route('api.imports.importFile', $import->id), [
+                'import-type' => 'asset',
+                'import-update' => true,
+                'column-mappings' => [
+                    'asset tag' => 'asset_tag',
+                    'item name' => 'item_name',
+                    'category' => 'category',
+                    'status' => 'status',
+                ],
+            ])
+            ->assertSuccessful();
+
+        // Verify the asset's created_at timestamp wasn't modified
+        $asset->refresh();
+        $this->assertEquals(
+            $originalCreatedAt,
+            $asset->created_at->toDateTimeString(),
+            'Asset created_at timestamp was modified during import update, which should not happen'
+        );
+
+        // Verify the asset was updated correctly
+        $this->assertEquals('Test Asset Updated', $asset->name);
+    }
+
+    /**
+     * Test that multiple successive imports don't cause timestamp drift
+     */
+    #[Test]
+    public function successive_imports_maintain_created_at_consistency()
+    {
+        // Create test data
+        $category = Category::factory()->create(['category_type' => 'asset']);
+        $location = Location::factory()->create();
+        $statusLabel = Statuslabel::factory()->create();
+        $company = Company::factory()->create();
+        $assetModel = AssetModel::factory()->for($category, 'category')->create();
+
+        // Create multiple existing assets
+        $assets = collect();
+        for ($i = 1; $i <= 5; $i++) {
+            $assets->push(Asset::factory()
+                ->for($assetModel, 'model')
+                ->for($statusLabel, 'status')
+                ->for($location, 'defaultLoc')
+                ->for($company, 'company')
+                ->create([
+                    'asset_tag' => "TEST-{$i}",
+                    'created_at' => now()->subDays(30 - $i),
+                ]));
+        }
+
+        $originalCreatedAts = $assets->mapWithKeys(fn ($asset) => [$asset->id => $asset->created_at->toDateTimeString()])->toArray();
+
+        // Perform first import update
+        $csv = "asset tag,item name,category,status\n";
+        foreach ($assets as $asset) {
+            $csv .= "{$asset->asset_tag},{$asset->name},{$category->name},{$statusLabel->name}\n";
+        }
+
+        $this->actingAsForApi(User::factory()->canImport()->create())
+            ->postJson(route('api.imports.store'), [
+                'files' => [
+                    $this->createFakeUploadedFile('test1.csv', $csv),
+                ],
+            ])
+            ->assertSuccessful();
+
+        $import1 = \App\Models\Import::latest()->first();
+        $this->actingAsForApi(User::factory()->canImport()->create())
+            ->postJson(route('api.imports.importFile', $import1->id), [
+                'import-type' => 'asset',
+                'import-update' => true,
+                'column-mappings' => [
+                    'asset tag' => 'asset_tag',
+                    'item name' => 'item_name',
+                    'category' => 'category',
+                    'status' => 'status',
+                ],
+            ])
+            ->assertSuccessful();
+
+        // Perform second import update
+        $this->actingAsForApi(User::factory()->canImport()->create())
+            ->postJson(route('api.imports.store'), [
+                'files' => [
+                    $this->createFakeUploadedFile('test2.csv', $csv),
+                ],
+            ])
+            ->assertSuccessful();
+
+        $import2 = \App\Models\Import::latest()->first();
+        $this->actingAsForApi(User::factory()->canImport()->create())
+            ->postJson(route('api.imports.importFile', $import2->id), [
+                'import-type' => 'asset',
+                'import-update' => true,
+                'column-mappings' => [
+                    'asset tag' => 'asset_tag',
+                    'item name' => 'item_name',
+                    'category' => 'category',
+                    'status' => 'status',
+                ],
+            ])
+            ->assertSuccessful();
+
+        // Verify all assets' created_at timestamps remain unchanged
+        foreach ($assets as $asset) {
+            $asset->refresh();
+            $this->assertEquals(
+                $originalCreatedAts[$asset->id],
+                $asset->created_at->toDateTimeString(),
+                "Asset {$asset->asset_tag} created_at changed between imports"
+            );
+        }
+    }
+
+    /**
+     * Helper method to create a fake uploaded file
+     */
+    protected function createFakeUploadedFile(string $filename, string $content)
+    {
+        $path = tempnam(sys_get_temp_dir(), 'csv');
+        file_put_contents($path, $content);
+
+        return new \Illuminate\Http\UploadedFile(
+            $path,
+            $filename,
+            'text/csv',
+            null,
+            true
+        );
+    }
+
+}
+