feat(payments): add customer ledgers and allocations (#744)

app/Http/Requests/CreditAllocationRequest.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CreditAllocationRequest extends FormRequest
+{
+    /**
+     * 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, array<int, string>>
+     */
+    public function rules(): array
+    {
+        return [
+            'allocations' => ['required', 'array', 'min:1'],
+            'allocations.*.payment_id' => ['required', 'integer'],
+            'allocations.*.invoice_id' => ['required', 'integer'],
+            'allocations.*.amount' => ['required', 'integer', 'min:1'],
+        ];
+    }
+}