Add paypal payments

.env.example

@@ -39,3 +39,9 @@ PUSHER_APP_CLUSTER=mt1
 
 MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
 MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
+
+PAYPAL_MODE=sandbox
+PAYPAL_SANDBOX_CLIENT_ID=
+PAYPAL_SANDBOX_SECRET=
+PAYPAL_LIVE_CLIENT_ID=
+PAYPAL_LIVE_SECRET=

app/Http/Controllers/CheckoutController.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Invoice;
+use Illuminate\Http\Request;
+
+use App\Models\Checkout;
+
+class CheckoutController extends Controller
+{
+	public function cart_invoice(Request $request,Invoice $o=NULL)
+	{
+		if ($o) {
+			$request->session()->put('invoice.cart.'.$o->id,$o->id);
+		}
+
+		if (! $request->session()->get('invoice.cart'))
+			return redirect()->to('u/home');
+
+		return View('u.invoice.cart')
+			->with('invoices',Invoice::find(array_values($request->session()->get('invoice.cart'))));
+	}
+
+	public function fee(Request $request,Checkout $o): float
+	{
+		return $o->fee($request->post('total',0));
+	}
+
+	public function pay(Request $request,Checkout $o)
+	{
+		return redirect('pay/paypal/authorise');
+	}
+}

app/Http/Controllers/PaypalController.php

@@ -0,0 +1,251 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\PaymentItem;
+use Carbon\Carbon;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Log;
+use PayPalCheckoutSdk\Core\PayPalHttpClient;
+use PayPalCheckoutSdk\Core\ProductionEnvironment;
+use PayPalCheckoutSdk\Core\SandboxEnvironment;
+use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
+use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
+use PayPalHttp\HttpException;
+
+use App\Models\Checkout;
+use App\Models\Invoice;
+use App\Models\Payment;
+
+class PaypalController extends Controller
+{
+	private $client;
+	private $o = NULL;
+
+	// Create a new instance with our paypal credentials
+	public function __construct()
+	{
+		if (config('paypal.settings.mode') == 'sandbox')
+			$environment = new SandboxEnvironment(config('paypal.sandbox_client_id'),config('paypal.sandbox_secret'));
+		else
+			$environment = new ProductionEnvironment(config('paypal.live_client_id'),config('paypal.live_secret'));
+
+		$this->client = new PayPalHttpClient($environment);
+		$this->o = Checkout::where('name','paypal')->firstOrFail();
+	}
+
+	public function cancel(Request $request)
+	{
+		return redirect()->to('u/invoice/cart');
+	}
+
+	/**
+	 * Authorize a paypal payment, and redirect the user to pay.
+	 *
+	 * @param Request $request
+	 * @return \Illuminate\Http\RedirectResponse
+	 */
+	public function authorise(Request $request)
+	{
+		$currency = 'AUD'; // @todo TO determine from DB.;
+		$cart = $request->session()->get('invoice.cart');
+
+		if (! $cart)
+			return redirect()->to('u/home');
+
+		$invoices = Invoice::find($cart);
+
+		$paypal = new OrdersCreateRequest();
+		$paypal->prefer('return=minimal');
+
+		// Paypal Purchase Units
+		$items = collect();
+		foreach ($invoices as $io) {
+			$fee = $this->o->fee($io->due,count($cart));
+			$total = round($io->due+$fee,2);
+
+			$items->push([
+				'reference_id'=>$io->id,
+				'invoice_id'=>$io->id,
+				'description'=>'Invoice Payment',
+				'custom_id'=>sprintf('%s:%s',$io->account_id,$fee*100),
+				'amount'=>[
+					'value'=>$total,
+					'currency_code'=>$currency,
+					'breakdown'=>[
+						'item_total'=>[
+						'value'=>$total,
+						'currency_code'=>$currency,
+						]
+					],
+				],
+				'items'=>[
+					[
+						'name'=>'Invoice: '.$io->id,
+						'unit_amount'=>[
+							'value'=>$total,
+							'currency_code'=>$currency,
+						],
+						'quantity'=>1,
+						'description'=>'Invoice Payment',
+						'category'=>'DIGITAL_GOODS',
+					],
+				]
+			]);
+		}
+
+		$data = collect();
+		$data->put('intent','CAPTURE');
+		$data->put('purchase_units',$items->toArray());
+
+		$data->put('application_context',[
+			'return_url' => url('pay/paypal/capture'),
+			'cancel_url' => url('u/invoice/cart'),
+		]);
+
+		$paypal->body = $data->toArray();
+
+		try {
+			$response = $this->client->execute($paypal);
+
+		} catch (HttpException $e) {
+			Log::error('Paypal Exception',['request'=>$paypal,'response'=>$e->getMessage()]);
+
+			return redirect()->to('u/invoice/cart')->withErrors('Paypal Exception: '.$e->getCode());
+
+		} catch (\HttpException $e) {
+			Log::error('HTTP Exception',['request'=>$request,'response'=>$e->getMessage()]);
+
+			return redirect()->to('u/invoice/cart')->withErrors('HTTP Exception: '.$e->getCode());
+		}
+
+		// Get the approval link
+		$redirect_url = '';
+		foreach ($response->result->links as $link) {
+			if ($link->rel == 'approve') {
+				$redirect_url = $link->href;
+				break;
+			}
+		}
+
+		if ($redirect_url) {
+			return redirect()->away($redirect_url);
+		}
+
+		return redirect()->to('u/invoice/cart')->withErrors('An error occurred with Paypal?');
+	}
+
+	/**
+	 * Capture a paypal payment
+	 *
+	 * @param Request $request
+	 * @return \Illuminate\Http\RedirectResponse
+	 */
+	public function capture(Request $request)
+	{
+		$paypal = new OrdersCaptureRequest($request->query('token'));
+		$paypal->prefer('return=representation');
+
+		$redirect_url = '';
+
+		try {
+			$response = $this->client->execute($paypal);
+
+		} catch (HttpException $e) {
+			$result = json_decode($e->getMessage());
+
+			Log::error(sprintf('Paypal Declined: Code: %s, DebugID: %s, Name: %s,Message: %s',$e->getCode(),$result->debug_id,$result->name,$result->message));
+
+			switch ($result->name) {
+				case 'UNPROCESSABLE_ENTITY':
+					foreach ($result->details as $detail)
+						Log::error(sprintf('Paypal Declined: Issue: %s Message: %s',$detail->issue,$detail->description));
+
+					// If we got a redirect link, lets redirect
+					foreach ($result->links as $link) {
+						if ($link->rel == 'redirect') {
+							$redirect_url = $link->href;
+							break;
+						}
+					}
+
+					break;
+
+				default:
+					Log::error(sprintf('Paypal Unhandled: %s',$result));
+			}
+
+			// If we got a redirect.
+			if ($redirect_url) {
+				Log::error('Paypal Capture: Redirect back to Paypal.');
+
+				return redirect()->away($redirect_url);
+			}
+
+			return redirect()->to('u/invoice/cart')->withErrors('An error occurred with Paypal?');
+
+		} catch (\HttpException $e) {
+			Log::error('HTTP Exception',['request'=>$paypal,'response'=>$e->getMessage()]);
+
+			return redirect()->to('u/invoice/cart')->withErrors('HTTP Exception: '.$e->getCode());
+		}
+
+		if (! $response OR ! $response->result->purchase_units) {
+			Log::error('Paypal Capture: No Purchase Units?');
+
+			return redirect()->to('u/invoice/cart')->withErrors('Paypal Exception: NPU');
+		}
+
+		// If we got here, we got a payment
+		foreach ($response->result->purchase_units as $pu) {
+			foreach ($pu->payments->captures as $cap) {
+				$po = new Payment;
+
+				switch ($cap->status) {
+					case 'PENDING':
+						$po->pending_status = TRUE;
+						$po->pending = $cap->status_details->reason;
+						break;
+
+					case 'FAILED':
+						Log::error(sprintf('Paypal Payment Failed: Invoice: %s (%s).',$pu->invoice_id,$cap->error->details[0]->description));
+						continue 2;
+
+					default:
+						$po->pending_status = TRUE;
+						$po->pending = $cap->status_details->reason ?? 'Unknown Status';
+						break;
+				}
+
+				$po->date_payment = Carbon::parse($cap->create_time);
+				$po->checkout_id = $this->o->id;
+				$po->checkout_data = $cap->id;
+
+				list($account_id,$fee) = explode(':',$cap->custom_id);
+				$po->fees_amt = $fee/100;
+				$po->total_amt = $cap->amount->value-$po->fees_amt;
+				$po->account_id = $account_id;
+
+				$pio = new PaymentItem;
+				$pio->site_id = 1;              // @todo To implement
+				$pio->invoice_id = $cap->invoice_id;
+				$pio->alloc_amt = $cap->amount->value-$po->fees_amt;
+
+				$po->items->push($pio);
+
+				// @todo To store payment fees on invoice
+
+				try {
+					$po->pushNew();
+
+				} catch (\Exception $e) {
+					Log::error('Error recording payment',['po'=>$po,'e'=>$e->getMessage(),'token'=>$request->query('token')]);
+				}
+			}
+		}
+
+		$request->session()->forget('invoice.cart');
+		Log::info('Paypal Payment Recorded',['po'=>$po->id]);
+		return redirect()->to('u/home')->with('success','Payment recorded thank you.');
+	}
+}

app/Http/Controllers/User/AccountController.php

@@ -38,6 +38,6 @@ class AccountController extends Controller
 					$io->items->push($o);
 		}
 
-		return View('u.invoice',['o'=>$io]);
+		return View('u.invoice.home',['o'=>$io]);
 	}
 }

app/Http/Controllers/UserHomeController.php

@@ -55,7 +55,7 @@ class UserHomeController extends Controller
 	 */
 	public function invoice(Invoice $o): View
 	{
-		return View('u.invoice',['o'=>$o]);
+		return View('u.invoice.home',['o'=>$o]);
 	}
 
 	/**
@@ -66,7 +66,7 @@ class UserHomeController extends Controller
 	 */
 	public function invoice_pdf(Invoice $o)
 	{
-		return PDF::loadView('u.invoice', ['o'=>$o])->stream(sprintf('%s.pdf',$o->invoice_account_id));
+		return PDF::loadView('u.invoice.home',['o'=>$o])->stream(sprintf('%s.pdf',$o->invoice_account_id));
 	}
 
 	/**

app/Models/Checkout.php

@@ -13,4 +13,31 @@ class Checkout extends Model
 	{
 		return $this->hasMany(Payment::class);
 	}
+
+	/** SCOPES **/
+
+	/**
+	 * Search for a record
+	 *
+	 * @param        $query
+	 * @param string $term
+	 * @return
+	 */
+	public function scopeActive($query)
+	{
+		return $query->where('active',TRUE);
+	}
+
+	/** FUNCTIONS **/
+
+	public function fee(float $amt,int $items=1): float
+	{
+		if (! $this->fee_passon OR ! $items)
+			return 0;
+
+		$fee = $amt+$this->fee_fixed/$items;
+		$fee /= (1-$this->fee_variable);
+
+		return round($fee-$amt,2);
+	}
 }

app/Models/Invoice.php

@@ -94,7 +94,18 @@ class Invoice extends Model
 
 	public function getPaidAttribute()
 	{
-		return $this->currency()->round($this->paymentitems->sum('alloc_amt'));
+		return $this->currency()->round(
+			$this->paymentitems
+				->filter(function($item) { return ! $item->payment->pending_status; })
+				->sum('alloc_amt'));
+	}
+
+	public function getPendingPaidAttribute()
+	{
+		return $this->currency()->round(
+			$this->paymentitems
+				->filter(function($item) { return $item->payment->pending_status; })
+				->sum('alloc_amt'));
 	}
 
 	public function getSubTotalAttribute()

app/Models/Payment.php

@@ -4,11 +4,12 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 
+use App\Traits\PushNew;
 use App\Traits\NextKey;
 
 class Payment extends Model
 {
-	use NextKey;
+	use NextKey,PushNew;
 	const RECORD_ID = 'payment';
 	public $incrementing = FALSE;
 
@@ -20,6 +21,9 @@ class Payment extends Model
 	protected $dateFormat = 'U';
 	protected $with = ['account.country.currency','items'];
 
+	// Array of items that can be updated with PushNew
+	protected $pushable = ['items'];
+
 	public function account()
 	{
 		return $this->belongsTo(Account::class);

app/Models/PaymentItem.php

@@ -4,7 +4,21 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 
+use App\Traits\NextKey;
+use App\Traits\PushNew;
+
 class PaymentItem extends Model
 {
+	use NextKey,PushNew;
+	const RECORD_ID = 'payment_item';
+	public $incrementing = FALSE;
+
+	const CREATED_AT = 'date_orig';
+	const UPDATED_AT = 'date_last';
+
 	protected $table = 'ab_payment_item';
+
+	public function payment() {
+		return $this->belongsTo(Payment::class);
+	}
 }

app/Models/SupplierProduct.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App;
+namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 

composer.json

@@ -21,6 +21,7 @@
         "laravel/passport": "^8.2",
         "laravel/socialite": "^4.2",
         "leenooks/laravel": "^6.0",
+        "paypal/paypal-checkout-sdk": "^1.0",
         "spatie/laravel-demo-mode": "^2.5",
         "spinen/laravel-quickbooks-client": "^3.1"
     },

config/paypal.php

@@ -0,0 +1,45 @@
+<?php
+
+return [
+	/**
+	 * Set our Sandbox and Live credentials
+	 */
+	'sandbox_client_id' => env('PAYPAL_SANDBOX_CLIENT_ID', ''),
+	'sandbox_secret' => env('PAYPAL_SANDBOX_SECRET', ''),
+	'live_client_id' => env('PAYPAL_LIVE_CLIENT_ID', ''),
+	'live_secret' => env('PAYPAL_LIVE_SECRET', ''),
+
+
+	/**
+	 * SDK configuration settings
+	 */
+	'settings' => [
+		/**
+		 * Payment Mode
+		 *
+		 * Available options are 'sandbox' or 'live'
+		 */
+		'mode' => env('PAYPAL_MODE', 'sandbox'),
+
+		// Specify the max connection attempt (3000 = 3 seconds)
+		'http.ConnectionTimeOut' => 3000,
+
+		// Specify whether or not we want to store logs
+		'log.LogEnabled' => true,
+
+		// Specigy the location for our paypal logs
+		'log.FileName' => storage_path() . '/logs/paypal.log',
+
+		/**
+		 * Log Level
+		 *
+		 * Available options: 'DEBUG', 'INFO', 'WARN' or 'ERROR'
+		 *
+		 * Logging is most verbose in the DEBUG level and decreases
+		 * as you proceed towards ERROR. WARN or ERROR would be a
+		 * recommended option for live environments.
+		 *
+		 */
+		'log.LogLevel' => 'DEBUG'
+	],
+];

database/migrations/2020_07_24_153836_addpending_to_payment.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddpendingToPayment extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('ab_payment', function (Blueprint $table) {
+            $table->string('pending')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('ab_payment', function (Blueprint $table) {
+            $table->dropColumn('pending');
+        });
+    }
+}

resources/views/theme/backend/adminlte/u/invoice/cart.blade.php

@@ -0,0 +1,111 @@
+@extends('adminlte::layouts.app')
+
+@section('htmlheader_title')
+	Payment Cart
+@endsection
+
+@section('contentheader_title')
+	Payment Cart
+@endsection
+@section('contentheader_description')
+@endsection
+
+@section('main-content')
+	<div class="row">
+		<div class="col-4">
+			<div class="card">
+				<div class="card-header">
+					<span class="card-title">Invoices to Pay</span>
+				</div>
+
+				<div class="card-body">
+					<form method="POST" action="{{ url('u/checkout/pay') }}">
+						{{ csrf_field() }}
+						<input type="hidden" name="type" value="invoice">
+
+						<div class="input-group flex-nowrap mb-5">
+							<div class="input-group-prepend">
+								<span class="input-group-text">Payment Method</span>
+							</div>
+
+							<select class="form-control" id="paymethod" name="checkout_id[]" required>
+								<option></option>
+								@foreach (\App\Models\Checkout::active()->orderBy('name')->get() as $oo)
+									<option value="{{ $oo->id }}">{{ $oo->name }}</option>
+								@endforeach
+							</select>
+						</div>
+
+						<table id="invoices" class="table table-sm w-100">
+							<tr>
+								<th>Invoice</th>
+								<th class="text-right">Balance Due</th>
+							</tr>
+
+							@foreach ($invoices as $io)
+								<input type="hidden" name="invoice_id[]" value="{{ $io->id }}">
+								<tr>
+									<td>{{ $io->id }}</td>
+									<td class="text-right">{{ $io->due }}</td>
+								</tr>
+							@endforeach
+
+							<tfoot>
+							<tr>
+								<th class="text-right">Sub Total</th>
+								<td class="text-right">{{ number_format($invoices->sum('due'),2) }}</td>
+							</tr>
+							<tr>
+								<th class="text-right">Payment Fees</th>
+								<td class="text-right"><span id="payfee">TBA</span></td>
+							</tr>
+							<tr>
+								<th class="text-right">Payment Total</th>
+								<th class="text-right"><span id="paytotal">TBA</span></th>
+							</tr>
+							<tr>
+								<th colspan="2">
+									<input type="submit" class="btn btn-dark mt-2" name="pay" value="Cancel">
+									<input type="submit" class="btn btn-success mt-2 float-right" name="pay" value="Submit" disabled>
+								</th>
+							</tr>
+							</tfoot>
+						</table>
+					</form>
+				</div>
+
+			</div>
+		</div>
+	</div>
+@endsection
+
+@section('page-scripts')
+	@css('//cdnjs.cloudflare.com/ajax/libs/select2/4.0.12/css/select2.min.css','select-css')
+	@js('//cdnjs.cloudflare.com/ajax/libs/select2/4.0.12/js/select2.min.js','select-js')
+
+	<script>
+		$(document).ready(function() {
+			$('#paymethod').select2({
+				placeholder: 'Payment method...',
+
+			}).on('change',function(item) {
+				$.ajax({
+					type: "POST",
+					data: {total: {{ $invoices->sum('due') }},count: {{ $invoices->count() }} },
+					dataType: "json",
+					cache: true,
+					url: '{{ url('api/u/checkout/fee') }}'+'/'+$(this).val(),
+					timeout: 25000,
+					error: function(x) {
+						alert("Failed to submit, please try again...");
+					},
+					success: function(data) {
+						$("span[id=payfee]").html(data.toFixed(2));
+						$("span[id=paytotal]").html(({{ $invoices->sum('due') }}+data).toFixed(2));
+						$("input[type=submit]").prop('disabled',false);
+					}
+				});
+			});
+		});
+	</script>
+@append

resources/views/theme/backend/adminlte/u/invoice/home.blade.php

@@ -155,6 +155,11 @@
 						<td class="text-right">${{ number_format($o->total,$o->currency()->rounding) }}</td>
 					</tr>
 					@if($o->id)
+						<tr>
+							<th>&nbsp;</th>
+							<th>Payments To Clear:</th>
+							<td class="text-right">${{ number_format($o->pending_paid,$o->currency()->rounding) }}</td>
+						</tr>
 						<tr>
 							<th>&nbsp;</th>
 							<th>Payments:</th>
@@ -182,8 +187,10 @@
 			<div class="col-12">
 				<a href="javascript:window.print();" class="btn btn-default"><i class="fa fa-print"></i> Print</a>
 				@if($o->id)
-					<button type="button" class="btn btn-success float-right"><i class="fa fa-credit-card"></i> Submit Payment</button>
-					<a href="{{ url(sprintf('u/invoice/%s/pdf',$o->id)) }}" class="btn btn-primary float-right" style="margin-right: 5px;">
+					<a href="{{ url('u/invoice/cart',$o->id) }}" class="btn btn-success float-right">
+						<i class="fa fa-credit-card"></i> Pay
+					</a>
+					<a href="{{ url(sprintf('u/invoice/%s/pdf',$o->id)) }}" class="btn btn-primary float-right mr-2">
 						<i class="fa fa-download"></i> Download PDF
 					</a>
 				@endif

routes/api.php

@@ -29,5 +29,7 @@ Route::group(['middleware'=>['auth:api','role:reseller']], function() {
 Route::group(['middleware'=>'auth:api'], function() {
 	Route::get('/u/services/{o}','UserServicesController@services')
 		->where('o','[0-9]+')
-		->middleware('can:view,o');;
+		->middleware('can:view,o');
+	Route::post('/u/checkout/fee/{o}','CheckoutController@fee')
+		->where('o','[0-9]+');
 });

routes/web.php

@@ -57,9 +57,14 @@ Route::group(['middleware'=>['theme:adminlte-be','auth'],'prefix'=>'u'],function
 	Route::get('account/{o}/invoice','User\AccountController@view_invoice_next')
 		->where('o','[0-9]+')
 		->middleware('can:view,o');
+	Route::post('checkout/pay','CheckoutController@pay');
 	Route::get('invoice/{o}','UserHomeController@invoice')
 		->where('o','[0-9]+')
 		->middleware('can:view,o');
+	Route::get('invoice/cart','CheckoutController@cart_invoice');
+	Route::get('invoice/cart/{o}','CheckoutController@cart_invoice')
+		->where('o','[0-9]+')
+		->middleware('can:view,o');
 	Route::get('invoice/{o}/pdf','UserHomeController@invoice_pdf')
 		->where('o','[0-9]+')
 		->middleware('can:view,o');
@@ -90,9 +95,13 @@ Route::group(['middleware'=>['theme:metronic-fe']],function() {
 
 Route::get('product_order/{o}','OrderController@product_order');
 Route::get('product_info/{o}','OrderController@product_info');
-Route::redirect('/home','/u/home');
-Route::demoAccess('/uc-access');
-Route::redirect('/under-construction','http://www.graytech.net.au');
-Route::get('/u/{type}/{action}/{id}','UserHomeController@oldsite');
+Route::redirect('home','u/home');
+Route::demoAccess('uc-access');
+Route::redirect('under-construction','http://www.graytech.net.au');
+Route::get('u/{type}/{action}/{id}','UserHomeController@oldsite');
 
-Route::get('/search','SearchController@search');
+Route::get('search','SearchController@search');
+
+Route::get('pay/paypal/authorise','PaypalController@authorise');
+Route::get('pay/paypal/cancel','PaypalController@cancel');
+Route::get('pay/paypal/capture','PaypalController@capture');