Initial commit - Physiotherapy Clinic Management System

app/Http/Controllers/Api/PaymentController.php

@@ -0,0 +1,120 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Http\Resources\PaymentResource;
+use App\Models\Invoice;
+use App\Models\Payment;
+use App\Services\LedgerService;
+use Illuminate\Http\Request;
+
+class PaymentController extends Controller
+{
+    public function index(Request $request)
+    {
+        $query = Payment::with(['invoice.patient', 'receivedBy']);
+
+        if ($request->has('invoice_id')) {
+            $query->where('invoice_id', $request->invoice_id);
+        }
+
+        if ($request->has('patient_id')) {
+            $query->whereHas('invoice', function ($q) use ($request) {
+                $q->where('patient_id', $request->patient_id);
+            });
+        }
+
+        if ($request->has('date_from')) {
+            $query->whereDate('payment_date', '>=', $request->date_from);
+        }
+
+        if ($request->has('date_to')) {
+            $query->whereDate('payment_date', '<=', $request->date_to);
+        }
+
+        $payments = $query->orderByDesc('payment_date')->paginate($request->per_page ?? 20);
+
+        return PaymentResource::collection($payments);
+    }
+
+    public function store(Request $request)
+    {
+        $data = $request->validate([
+            'invoice_id' => 'required|exists:invoices,id',
+            'payment_date' => 'required|date',
+            'amount' => 'required|numeric|min:0.01',
+            'payment_method' => 'required|in:cash,card,bank_transfer,check,insurance,other',
+            'reference_number' => 'nullable|string|max:255',
+            'notes' => 'nullable|string',
+        ]);
+
+        $invoice = Invoice::findOrFail($data['invoice_id']);
+
+        // Check if payment exceeds balance
+        if ($data['amount'] > $invoice->balance) {
+            return response()->json([
+                'message' => 'Payment amount exceeds invoice balance',
+                'balance' => $invoice->balance,
+            ], 422);
+        }
+
+        $data['received_by'] = auth()->id();
+        
+        // Generate payment number
+        $lastId = Payment::max('id') ?? 0;
+        $data['payment_number'] = 'PAY-' . date('Y') . '-' . str_pad($lastId + 1, 6, '0', STR_PAD_LEFT);
+
+        $payment = Payment::create($data);
+
+        // Update invoice
+        $invoice->paid_amount += $data['amount'];
+        $invoice->status = $invoice->paid_amount >= $invoice->total_amount ? 'paid' : 'partial';
+        $invoice->save();
+
+        // Create ledger entry
+        $ledgerService = new LedgerService();
+        $ledgerService->recordPayment($payment);
+
+        return new PaymentResource($payment);
+    }
+
+    public function show(Payment $payment)
+    {
+        return new PaymentResource($payment);
+    }
+
+    public function destroy(Payment $payment)
+    {
+        // Revert invoice payment
+        $invoice = $payment->invoice;
+        $invoice->paid_amount -= $payment->amount;
+        $invoice->status = $invoice->paid_amount <= 0 ? 'sent' : 'partial';
+        $invoice->save();
+
+        $payment->delete();
+
+        return response()->json(['message' => 'Payment deleted successfully']);
+    }
+
+    public function summary(Request $request)
+    {
+        $query = Payment::query();
+
+        if ($request->has('date_from')) {
+            $query->whereDate('payment_date', '>=', $request->date_from);
+        }
+
+        if ($request->has('date_to')) {
+            $query->whereDate('payment_date', '<=', $request->date_to);
+        }
+
+        return response()->json([
+            'total_payments' => $query->count(),
+            'total_amount' => $query->sum('amount'),
+            'by_method' => $query->selectRaw('payment_method, count(*) as count, sum(amount) as amount')
+                ->groupBy('payment_method')
+                ->get(),
+        ]);
+    }
+}