From f027f0a407d755bf83ab60a0dc0c528adce70cd0 Mon Sep 17 00:00:00 2001
From: Immanuel Onyeka <immanuel@onyeka.ca>
Date: Mon, 7 Jun 2021 14:22:21 -0400
Subject: [PATCH] Setup card payments

---
 .env                                       |  1 +
 app/Http/Controllers/BillingController.php |  4 +
 resources/js/panel/credits.vue             | 86 +++++++++++++++++++---
 resources/scss/main.scss                   | 41 ++++++++++-
 4 files changed, 120 insertions(+), 12 deletions(-)

diff --git a/.env b/.env
index 4211649..3218f49 100644
--- a/.env
+++ b/.env
@@ -49,4 +49,5 @@ MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
 MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
 
 STRIPE_KEY=pk_test_51IeSwmBPMoXn2pf9VrXisJ7ubIjWHfnNWm1Iac8WB8H7hmBiJAw3GZrD8If9shKoSfSvT9my9lGdv0O0UzsbI4Iq00gn0MpA8S
+VUE_APP_STRIPE_KEY=pk_test_51IeSwmBPMoXn2pf9VrXisJ7ubIjWHfnNWm1Iac8WB8H7hmBiJAw3GZrD8If9shKoSfSvT9my9lGdv0O0UzsbI4Iq00gn0MpA8S
 STRIPE_SECRET=sk_test_51IeSwmBPMoXn2pf9h2APPrSD8oGc5RmsO8xj6dkVtM6FrHtD84Gw5M6Mm4epaicTqRm4hpuTny8E593hNdAiKMes006IBMfAcc
diff --git a/app/Http/Controllers/BillingController.php b/app/Http/Controllers/BillingController.php
index 2c9ceb0..73a70e1 100644
--- a/app/Http/Controllers/BillingController.php
+++ b/app/Http/Controllers/BillingController.php
@@ -13,6 +13,7 @@ class BillingController extends Controller
 	//Expects an array 'packs' representing the amount of each multiple of credits.
 	//This controller should have a way of figuring out how much of each pack
 	//was bought later.
+	//Should validate that all amounts are positive integers in a reasonable range
 	public function secret(Request $request) {
 		Stripe::setApiKey(env('STRIPE_SECRET'));
 		Log::debug($request->packs);
@@ -21,9 +22,12 @@ class BillingController extends Controller
 			$request->packs[ 'credits50' ]*5499 + $request->packs[ 'credits100' ]*10999
 			+ $request->packs[ 'credits1000' ]*101000;
 
+		// Pass customer and setup_future_usage values here. Maybe metadata can
+		// also hold pack information
 		$intent = PaymentIntent::create([
 			'amount' => $amount,
 			'currency' => 'usd',
+			/* 'customer' => Auth::user().customer_id, */
 			'metadata' => ['integration_check' => 'accept_a_payment']
 		]);
 
diff --git a/resources/js/panel/credits.vue b/resources/js/panel/credits.vue
index e321764..2fb6167 100644
--- a/resources/js/panel/credits.vue
+++ b/resources/js/panel/credits.vue
@@ -15,23 +15,42 @@
 <div class="credits-pane"><div><h2>1000 Credits</h2><span>+150 Free Credits</span></div>
 <h3>$1010.00</h3> <div><span>Qty</span><input min="0" max="1000" v-model="packs.credits1000" type="number"></div>
 </div>
+	<h3>Total: ${{total.toLocaleString('en')}}</h3>
+	<div id="credits-errors"></div>
+</section>
+
+<section id="payment-section">
+	<h4>Payment Method</h4>
+	<form id="payment-form" action="">
+
+	<label for="name">Name on Card</label>
+	<input id="billing-name" type="name">
+	<div id="card-element"></div>
+	<div id="card-errors"></div>
+	<div id=save-card>
+	<input name="save-card" value="Save card" type="checkbox">
+	<label for="">Save Card</label>
+	</div>
+
+	</form>
+	<div id="payment-error"></div>
 </section>
 
 <section class="credits-confirm">
-	<h3>Total: ${{total.toLocaleString('en')}}</h3>
-	<button @click="getSecret" :disabled="total == 0 || loading" class="brand-btn">Continue</button>
+	<button @click="pay" :disabled="total == 0 || loading" class="brand-btn">Pay</button>
 </section>
 </template>
 
 <script>
-
 function total() {
 	return this.packs.credits10*10.99 + this.packs.credits50*54.99
 	+ this.packs.credits100*109.99 + this.packs.credits1000*1010
 }
 
+//Gets the secret key specific to chosen payment amount and user
 function getSecret() {
-	fetch('/panel/secret', {
+	this.loading = true
+	return fetch('/panel/secret', {
 		method: 'POST',
 		headers: {'Content-Type': 'application/json',
 			'Accept': 'application/json',
@@ -41,21 +60,66 @@ function getSecret() {
 		if (response.ok) {
 			return response.text()
 		} else {
-			//handle errors here
-			console.log('an error occured')
+			document.getElementById('credits-errors').textContent =
+			`${response.status}: ${response.statusText}`
+		}
+	}).then(secret => {
+		this.loading = false
+		return secret
+	})
+}
+
+function mountPaymentForm() {
+	this.card = this.stripe.elements().create('card')
+	this.card.mount('#card-element')
+
+	this.card.on('change', function(event) {
+	let displayError = document.getElementById('card-errors');
+	if (event.error) {
+		displayError.textContent = event.error.message;
+	} else {
+		displayError.textContent = '';
+	}
+	});
+}
+
+//Gets key from the server then sends it with stripe
+function pay() {
+	this.getSecret().then(secret => {
+		if (!secret) {return}
+		return this.stripe.confirmCardPayment(secret, {
+			payment_method: {
+				card: this.card,
+				billing_details: {name:
+				document.getElementById('billing-name').value}
+			}
+		})
+	}).then(result => {
+		if (result.error) {
+			document.getElementById('payment-error').textContent =
+			result.error.message
+		} else if (result.paymentIntent.status === 'succeeded') {
+			document.getElementById('payment-error').textContent =
+			'Purchase completed'
+		} else {
+			document.getElementById('payment-error').textContent =
+			'An unknown error occured'
 		}
-	}).then(data => {
-		console.log(data)
 	})
 }
 
 export default {
 	data() {
 		return {packs: {credits10: 0, credits50: 0,
-		credits100: 0, credits1000: 0}, loading: false}
+		credits100: 0, credits1000: 0}, loading: false, stripe:
+		Stripe(process.env.VUE_APP_STRIPE_KEY), card:
+		null}
 	},
 	computed: {total},
-	methods: {getSecret},
-	props: ['token']
+	methods: {getSecret, mountPaymentForm, pay},
+	props: ['token'],
+	mounted() {
+		this.mountPaymentForm()	
+	}
 }
 </script>
diff --git a/resources/scss/main.scss b/resources/scss/main.scss
index f2b5da3..42356af 100644
--- a/resources/scss/main.scss
+++ b/resources/scss/main.scss
@@ -1175,7 +1175,7 @@ button .loading-icon {
 	margin: 0;
 }
 
-.credits-confirm h3 {
+.select-credits h3 {
 	text-align: center;
 }
 
@@ -1194,3 +1194,42 @@ button .loading-icon {
 		font-size: 1.1rem;
 		min-width: 7em;
 }
+
+div#card-errors {
+	margin: 5%;
+	text-align: center;
+}
+
+#payment-section {
+	h4 {
+		text-align: center;
+	}
+
+	form {
+		margin-top: 2em;
+	}
+
+	label {
+		display: block;
+	}
+
+	input {
+		margin: 1em 0;
+	}
+
+	#save-card {
+		display: flex;
+		gap: 10px;
+		align-items: center;
+		justify-content: center;
+	}
+}
+
+#card-element {
+		border: 2px solid grey;
+		border-radius: 4px;
+		padding: 10px;
+	input {
+	}
+
+}