> */ public function rules(): array { return [ 'name' => [ 'required', 'string', 'min:1', 'max:255', (new UniqueEloquent(Project::class, 'name', function (Builder $builder): Builder { /** @var Builder $builder */ return $builder->whereBelongsTo($this->organization, 'organization'); }))->withCustomTranslation('validation.project_name_already_exists'), ], 'color' => [ 'required', 'string', 'max:255', new ColorRule, ], 'is_billable' => [ 'required', 'boolean', ], 'billable_rate' => [ 'nullable', 'integer', 'min:0', ], 'client_id' => [ 'nullable', new ExistsEloquent(Client::class, null, function (Builder $builder): Builder { /** @var Builder $builder */ return $builder->whereBelongsTo($this->organization, 'organization'); }), ], ]; } public function getBillableRate(): ?int { $input = $this->input('billable_rate'); return $input !== null && $input !== 0 ? (int) $this->input('billable_rate') : null; } }