sam-api/app/Http/Requests/Loan/LoanIndexRequest.php

<?php

namespace App\Http\Requests\Loan;

use App\Http\Requests\Traits\HasPagination;
use App\Models\Tenants\Loan;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class LoanIndexRequest extends FormRequest
{
    use HasPagination;

    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        return [
            'user_id' => ['nullable', 'integer', 'exists:users,id'],
            'status' => ['nullable', 'string', Rule::in(Loan::STATUSES)],
            'start_date' => ['nullable', 'date', 'date_format:Y-m-d'],
            'end_date' => ['nullable', 'date', 'date_format:Y-m-d', 'after_or_equal:start_date'],
            'search' => ['nullable', 'string', 'max:100'],
            'sort_by' => ['nullable', 'string', Rule::in(['loan_date', 'amount', 'status', 'created_at'])],
            'sort_dir' => ['nullable', 'string', Rule::in(['asc', 'desc'])],
            'per_page' => ['nullable', 'integer', 'min:1'],
        ];
    }

    /**
     * Get the validation attribute names.
     *
     * @return array<string, string>
     */
    public function attributes(): array
    {
        return [
            'user_id' => __('validation.attributes.user_id'),
            'status' => __('validation.attributes.status'),
            'start_date' => __('validation.attributes.start_date'),
            'end_date' => __('validation.attributes.end_date'),
            'search' => __('validation.attributes.search'),
            'sort_by' => __('validation.attributes.sort_by'),
            'sort_dir' => __('validation.attributes.sort_dir'),
            'per_page' => __('validation.attributes.per_page'),
        ];
    }
}