Filament•12mo ago

Mutate form data before create but for delete

    protected function mutateFormDataBeforeCreate(array $data): array
    {
        $data['date_issued'] = date(now());
        $amount = $data['stock_issued'];
        $stock = DB::table('inventories')->where('id', $data['inventory_id'])->value('stock');
        if ($amount > $stock) {
            Notification::make()
                ->warning()
                ->title('You don\'t have enough Stock!!!')
                ->body('Only ' . $stock . ' in inventory.')
                ->send();
            $this->halt();
        } else {
            DB::table('inventories')->where('id', $data['inventory_id'])->update(['stock' => $stock - $amount]);
        }
        return $data;
    }

    protected function mutateFormDataBeforeCreate(array $data): array
    {
        $data['date_issued'] = date(now());
        $amount = $data['stock_issued'];
        $stock = DB::table('inventories')->where('id', $data['inventory_id'])->value('stock');
        if ($amount > $stock) {
            Notification::make()
                ->warning()
                ->title('You don\'t have enough Stock!!!')
                ->body('Only ' . $stock . ' in inventory.')
                ->send();
            $this->halt();
        } else {
            DB::table('inventories')->where('id', $data['inventory_id'])->update(['stock' => $stock - $amount]);
        }
        return $data;
    }

I use the above code to update the inventory when inventory is issued out, I was wondering if there is a function like this but for the delete button so I can undo the inventory update if a record from issued inventory is deleted.

Solution:

Yup That works, Thank You.

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8 Replies

DrByte•12mo ago

I'm pretty sure there is not such a method, because Filament simply passes through the $record->delete() to the Model directly. https://github.com/filamentphp/filament/blob/751c24beb998e334803701ed48a379031256fbaf/packages/actions/src/DeleteAction.php#L48-L58

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filament/packages/actions/src/DeleteAction.php at 751c24beb998e3348...

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DrByte•12mo ago

So you probably have two options: a. clone that DeleteAction and add your own custom logic before the actual delete. b. fire an Observer or register a static::deleting event on the Model, to do your inventory reversal

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The HuntsmanOP•12mo ago

what about the after() and before() methods that's available on the delete action ? https://filamentphp.com/docs/3.x/actions/prebuilt-actions/delete#lifecycle-hooks

Delete action - Actions - Filament

The HuntsmanOP•12mo ago

is it possible for that function to get the data of the record about to be be deleted, like the $data array for mutateFormDataBeforeCreate()

DrByte•12mo ago

Yes that would make sense. Most of the time in Filament you can use fn (Model $record) to get the current record. That's not listed on the Actions page in the docs https://filamentphp.com/docs/3.x/actions/advanced ... but it is in the Table docs. https://filamentphp.com/docs/3.x/tables/actions#table-action-utility-injection

Advanced actions - Actions - Filament

Actions - Table Builder - Filament

Solution

The Huntsman•12mo ago

Yup That works, Thank You.

The HuntsmanOP•12mo ago

Here's the code if anyone else is interested

Actions\DeleteAction::make()
                ->before(function (Model $record) {
                    $inventory_id = $record['inventory_id'];
                    $amount = $record['stock_issued'];
                    $stock = DB::table('inventories')->where('id', $inventory_id)->value('stock');
                    $qb = DB::table('inventories')->where('id', $inventory_id)->update(['stock' => $stock + $amount]);
                    if ($qb == true) {
                        Notification::make()
                            ->success()
                            ->title('Inventory Updated.')
                            ->send();
                    } else {
                        Notification::make()
                            ->warning()
                            ->title('Error')
                            ->body('There was a problem updating inventory.')
                            ->send();
                        $this->halt();
                    }
                }),

Actions\DeleteAction::make()
                ->before(function (Model $record) {
                    $inventory_id = $record['inventory_id'];
                    $amount = $record['stock_issued'];
                    $stock = DB::table('inventories')->where('id', $inventory_id)->value('stock');
                    $qb = DB::table('inventories')->where('id', $inventory_id)->update(['stock' => $stock + $amount]);
                    if ($qb == true) {
                        Notification::make()
                            ->success()
                            ->title('Inventory Updated.')
                            ->send();
                    } else {
                        Notification::make()
                            ->warning()
                            ->title('Error')
                            ->body('There was a problem updating inventory.')
                            ->send();
                        $this->halt();
                    }
                }),

DrByte•12mo ago

Excellent! (please also mark that post as "the answer": right-click it, choose "Apps" and "Mark Selected")

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Mutate form data before create but for delete