feat: updates on expenses

app/Filament/Resources/ExpenseResource.php

@@ -15,15 +15,19 @@ use Filament\Forms\Components\Select;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Form;
 use Filament\Forms\Get;
+use Filament\Forms\Set;
 use Filament\Resources\Resource;
 use Filament\Tables;
 use Filament\Tables\Table;
 use Illuminate\Support\Collection;
+use JetBrains\PhpStorm\NoReturn;
 
 class ExpenseResource extends Resource
 {
     protected static ?string $model = Expense::class;
 
+    protected static bool $isVatable;
+
     protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';
 
     public static function form(Form $form): Form
@@ -36,29 +40,147 @@ class ExpenseResource extends Resource
     {
         return [
             Select::make('client')
-                ->options(Client::query()->get()->pluck('company', 'id'))->live(),
-            Select::make('branch_id')->options(fn ($get) => Branch::query()->where('client_id', $get('client'))->get()->pluck('code', 'id'))
-                ->afterStateUpdated(fn ($state, $set) => $set('voucher_number', GenerateVoucher::execute(Branch::find($state))))->live(),
+                ->options(Client::query()->get()->pluck('company', 'id'))
+                ->afterStateUpdated(function ($set, $get) {
+                    $set('branch_id', '');
+                    $set('voucher_number', static::getVoucherNumber($get));
+                })
+                ->live(),
+            Select::make('branch_id')
+                ->relationship('branch', 'code')
+                ->options(fn ($get) => Branch::query()->where('client_id', $get('client'))->get()->pluck('code', 'id'))
+                ->afterStateUpdated(fn ($set, $get) => $set('voucher_number', static::getVoucherNumber($get)))
+                ->live(),
             TextInput::make('supplier')->label('Supplier Name'),
             TextInput::make('reference_number')->label('Reference Number'),
-            TextInput::make('voucher_number')->label('Voucher Number'),
+            TextInput::make('voucher_number')->label('Voucher Number')
+                ->default(fn ($get) => static::getVoucherNumber($get))
+                ->readOnly(),
             DatePicker::make('happened_on')->label('Date')->native(false),
 
             TableRepeater::make('transactions')
-                ->headers([
-                    Header::make('Charge Account'),
-                    Header::make('Description'),
-                    Header::make('Gross Amount'),
-                    Header::make('Withholding Tax'),
-                    Header::make('Net Amount'),
-                ])
-                ->schema([
-                    Select::make('account_id')->options(fn ($get) => static::getAccountOptions($get)),
-                    TextInput::make('description')->label('Description'),
-                    TextInput::make('gross_amount'),
-                    TextInput::make('payable_withholding_tax'),
-                    TextInput::make('net_amount'),
-                ])->columnSpan('full'),
+                ->headers(fn (Get $get): array => static::getTransactionTableHeader($get))
+                ->relationship('transactions')
+                ->schema(fn (Get $get): array => static::getTransactionTableFormSchema($get))
+
+                ->columnSpan('full'),
+        ];
+    }
+
+    public static function getVoucherNumber(Get $get): string
+    {
+        $branch = Branch::find($get('branch_id'));
+
+        if ($branch) {
+            return GenerateVoucher::execute($branch);
+        }
+
+        return '';
+    }
+
+    public static function getTransactionTableHeader(Get $get): array
+    {
+
+        if (! static::getIsVatable($get)) {
+            return [
+                Header::make('Charge Account'),
+                Header::make('Description'),
+                Header::make('Gross Amount'),
+                Header::make('Withholding Tax'),
+                Header::make('Net Amount'),
+            ];
+        }
+
+        return [
+            Header::make('Charge Account'),
+            Header::make('Description'),
+            Header::make('Gross Amount'),
+            Header::make('Exempt'),
+            Header::make('Zero Rated'),
+            Header::make('Vatable Amount'),
+            Header::make('Input Tax'),
+            Header::make('Withholding Tax'),
+            Header::make('Net Amount'),
+        ];
+    }
+
+    public static function getIsVatable(Get $get): bool
+    {
+        $client = Client::find($get('client'));
+
+        return $client && $client->vatable;
+
+    }
+
+    public static function isVatable(bool $value): void
+    {
+        static::$isVatable = $value;
+        dump('sett');
+    }
+
+    public static function getTransactionTableFormSchema(Get $get): array
+    {
+        if (! static::getIsVatable($get)) {
+            return [
+                Select::make('account_id')->options(fn ($get) => static::getAccountOptions($get)),
+                TextInput::make('description')->label('Description'),
+                TextInput::make('gross_amount')->numeric()
+                    ->live()
+                    ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+                        static::setDefaultFormValues($get, $set, $old, $state);
+                    })->default(0),
+                TextInput::make('payable_withholding_tax')->numeric()->live()
+                    ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+                        static::setDefaultFormValues($get, $set, $old, $state);
+                    })->default(0),
+                TextInput::make('net_amount')->numeric()->default(0),
+            ];
+        }
+
+        return [
+            Select::make('account_id')->options(fn ($get) => static::getAccountOptions($get)),
+            TextInput::make('description')->label('Description'),
+            TextInput::make('gross_amount')
+                ->numeric()
+                ->live()
+                ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+                    static::setDefaultFormValues($get, $set, $old, $state);
+                })->default(0),
+            TextInput::make('exempt')
+                ->numeric()
+                ->live()
+                ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+                    static::setDefaultFormValues($get, $set, $old, $state);
+                })->default(0),
+            TextInput::make('zero_rated')
+                ->numeric()
+                ->live()
+                ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+
+                    static::setDefaultFormValues($get, $set, $old, $state);
+                })->default(0),
+            TextInput::make('vatable_amount')
+                ->numeric()
+                ->live()
+                ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+
+                    static::setDefaultFormValues($get, $set, $old, $state);
+                })->default(0),
+            TextInput::make('input_tax')
+                ->numeric()
+                ->live()
+                ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+
+                    static::setDefaultFormValues($get, $set, $old, $state);
+                })->default(0),
+            TextInput::make('payable_withholding_tax')
+                ->numeric()
+                ->live()
+                ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
+
+                    static::setDefaultFormValues($get, $set, $old, $state);
+                })->default(0),
+            TextInput::make('net_amount')->numeric()->default(0),
         ];
     }
 
@@ -83,6 +205,28 @@ class ExpenseResource extends Resource
         return $query->get()->pluck('account', 'id');
     }
 
+    #[NoReturn]
+    public static function setDefaultFormValues(Get $get, Set $set, ?string $old, ?string $state): void
+    {
+
+        $exempt = (float) $get('exempt');
+        $withHoldingTax = (float) $get('payable_withholding_tax');
+        $vatableSales = $get('gross_amount');
+        $vatableAmount = $vatableSales / 1.12;
+
+        $inputTax = $vatableAmount * 0.12;
+
+        $netAmount = $get('gross_amount') - $get('payable_withholding_tax');
+
+        if (static::getIsVatable($get)) {
+            $netAmount = ($vatableAmount + $exempt) - $withHoldingTax;
+        }
+
+        $set('input_tax', number_format($inputTax, 2));
+        $set('vatable_amount', number_format($vatableAmount, 2));
+        $set('net_amount', number_format($netAmount, 2));
+    }
+
     public static function table(Table $table): Table
     {
         return $table

app/Filament/Resources/ExpenseResource/Pages/EditExpense.php

@@ -16,4 +16,12 @@ class EditExpense extends EditRecord
             Actions\DeleteAction::make(),
         ];
     }
+
+    protected function mutateFormDataBeforeFill(array $data): array
+    {
+        return [
+            'client' => $this->getRecord()->branch->client->id,
+            ...$this->getRecord()->toArray(),
+        ];
+    }
 }