subscriptions in progress

main.go

@@ -28,6 +28,47 @@ type OrderData struct {
 	} `json:"purchase_units"`
 }
 
+type SubscriptionData struct {
+	ID               string    `json:"id"`
+	Status           string    `json:"status"`
+	// StatusUpdateTime time.Time `json:"status_update_time"`
+	PlanID           string    `json:"plan_id"`
+	PlanOverridden   bool      `json:"plan_overridden"`
+	// StartTime        time.Time `json:"start_time"`
+	Quantity         string    `json:"quantity"`
+	ShippingAmount   struct {
+		CurrencyCode string `json:"currency_code"`
+		Value        string `json:"value"`
+	} `json:"shipping_amount"`
+	Subscriber struct {
+		Name struct {
+			GivenName string `json:"given_name"`
+			Surname   string `json:"surname"`
+		} `json:"name"`
+		EmailAddress    string `json:"email_address"`
+		PayerID         string `json:"payer_id"`
+		ShippingAddress struct {
+			Name struct {
+				FullName string `json:"full_name"`
+			} `json:"name"`
+			Address struct {
+				AddressLine1 string `json:"address_line_1"`
+				AddressLine2 string `json:"address_line_2"`
+				AdminArea2   string `json:"admin_area_2"`
+				AdminArea1   string `json:"admin_area_1"`
+				PostalCode   string `json:"postal_code"`
+				CountryCode  string `json:"country_code"`
+			} `json:"address"`
+		} `json:"shipping_address"`
+	} `json:"subscriber"`
+	// CreateTime time.Time `json:"create_time"`
+	Links      []struct {
+		Href   string `json:"href"`
+		Rel    string `json:"rel"`
+		Method string `json:"method"`
+	} `json:"links"`
+}
+
 var (
 	baseURL = "https://api-m.sandbox.paypal.com"
 )
@@ -42,6 +83,7 @@ func main() {
 	// Handlers
 	http.HandleFunc("/api/orders", CreateOrder)
 	http.HandleFunc("/api/orders/", CaptureOrder)
+	http.HandleFunc("/api/paypal/create-subscription", CreateSubscription)
 	http.Handle("/", http.FileServer(http.Dir("./public")))
 
 	// Channel to listen for signals
@@ -178,5 +220,80 @@ func CaptureOrder(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
 	if err := json.NewEncoder(w).Encode(result); err != nil {
 		http.Error(w, "Failed to encode response", http.StatusInternalServerError)
+		return
 	}
 }
+
+func CreateSubscription(w http.ResponseWriter, r *http.Request) {
+	log.Printf("asked to create sub")
+
+	planID := os.Getenv("PLAN_ID")
+	returnUrl := "https://suckless.org"
+	cancelUrl := "https://suckless.org"
+
+	log.Printf("This is the planid: %s", planID)
+
+	token, err := Token()
+	if err != nil {
+		http.Error(w, "Failed to get access token", http.StatusInternalServerError)
+		return
+	}
+
+	log.Printf("This is the token: %s", token)
+
+	body := map[string]interface{}{
+		"plan_id": planID,
+		"application_context": map[string]string{
+			"shipping_preference": "NO_SHIPPING",
+			"return_url":          returnUrl,
+			"cancel_url":          cancelUrl,
+		},
+	}
+	jsonData, err := json.Marshal(body)
+	if err != nil {
+		http.Error(w, "Server error", http.StatusInternalServerError)
+		return
+	}
+
+	log.Printf("Creating request")
+	req, err := http.NewRequest("POST", baseURL+"/v1/billing/subscriptions", bytes.NewBuffer(jsonData))
+	if err != nil {
+		http.Error(w, "Failed to create request", http.StatusInternalServerError)
+		return
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Authorization", "Bearer "+token)
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("Prefer", "return=representation")
+
+	log.Printf("Sending request")
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		http.Error(w, "Failed to send request", http.StatusInternalServerError)
+		return
+	}
+	defer resp.Body.Close()
+	log.Printf("Request sent")
+
+	// Create an instance of AutoGenerated
+	// var result SubscriptionData
+	var result map[string]interface{}
+
+	// Decode the response into the AutoGenerated struct
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		http.Error(w, "Failed to decode response", http.StatusInternalServerError)
+		return
+	}
+	log.Printf("Raw JSON Response: %v", result)
+
+	// Now, `result` contains the entire structured response
+	// You can send the whole `result` back to the client, or you can selectively send fields.
+	w.Header().Set("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(result); err != nil {
+		http.Error(w, "Failed to encode response", http.StatusInternalServerError)
+	}
+	log.Printf("sent response to client")
+
+}

public/form.js

@@ -145,6 +145,63 @@ window.paypal_order.Buttons({
     },
 }).render("#paypal-button-container-order");
 
+window.paypal_subscribe.Buttons({
+    style: { shape: 'pill', color: 'black', layout: 'vertical', label: 'subscribe' },
+    async createSubscription() {
+        try {
+            const response = await fetch("/api/paypal/create-subscription", {
+                method: "POST",
+                headers: {
+                    "Content-Type": "application/json",
+                },
+                body: JSON.stringify({ userAction: "SUBSCRIBE_NOW" }),
+            });
+            const data = await response.json();
+            if (data?.id) {
+                resultMessage(`Successful subscription with ID ${data.id}...<br><br>`);
+                return data.id;
+            } else {
+                console.error(
+                    { callback: "createSubscription", serverResponse: data },
+                    JSON.stringify(data, null, 2),
+                );
+                // (Optional) The following hides the button container and shows a message about why checkout can't be initiated
+                const errorDetail = data?.details?.[0];
+                resultMessage(
+                    `Could not initiate PayPal Subscription...<br><br>${
+                        errorDetail?.issue || ""
+                    } ${errorDetail?.description || data?.message || ""} ` +
+                    (data?.debug_id ? `(${data.debug_id})` : ""),
+                    { hideButtons: true },
+                );
+            }
+            const approvalUrl = data.links.find(link => link.rel === "approve").href;
+            window.location.href = approvalUrl;
+        } catch (error) {
+            console.error(error);
+            resultMessage(
+                `Could not initiate PayPal Subscription...<br><br>${error}`,
+            );
+        }
+    },
+    onApprove(data) {
+        /*
+        No need to activate manually since SUBSCRIBE_NOW is being used.
+        Learn how to handle other user actions from our docs:
+        https://developer.paypal.com/docs/api/subscriptions/v1/#subscriptions_create
+        */
+        if (data.orderID) {
+            resultMessage(
+                `You have successfully subscribed to the plan. Your subscription id is: ${data.subscriptionID}`,
+            );
+        } else {
+            resultMessage(
+                `Failed to activate the subscription: ${data.subscriptionID}`,
+            );
+        }
+    },
+}).render("#paypal-button-container-subscribe"); // Renders the PayPal button
+
 // Example function to show a result to the user. Your site's UI library can be used instead.
 function resultMessage(message) {
   const container = document.querySelector("#checkout");

public/index.html

@@ -29,10 +29,10 @@
       src="https://www.paypal.com/sdk/js?client-id=AcCW43LI1S6lLQgtLkF4V8UOPfmXcqXQ8xfEl41hRuMxSskR2jkWNwQN6Ab1WK7E2E52GNaoYBHqgIKd&components=buttons&enable-funding=card&disable-funding=paylater,venmo"
       data-namespace="paypal_order"
         ></script>
-    <!-- <script -->
+    <script
-    <!--   src="" -->
+      src="https://www.paypal.com/sdk/js?client-id=AcCW43LI1S6lLQgtLkF4V8UOPfmXcqXQ8xfEl41hRuMxSskR2jkWNwQN6Ab1WK7E2E52GNaoYBHqgIKd&components=buttons&vault=true&intent=subscription&enable-funding=card&disable-funding=paylater"
-    <!--   data-namespace="paypal_subscribe" -->
+      data-namespace="paypal_subscribe"
-    <!--     ></script> -->
+        ></script>
   </head>
   <form action="submit.php" id="mainForm" method="post">
     <div class="banner" style="background-image: url(/static/banner.jpg);">
@@ -82,6 +82,7 @@
         </div>
         <div id="paypal-button-container">
           <div id="paypal-button-container-order"></div>
+          <div id="paypal-button-container-subscribe"></div>
         </div>
       </div>
     </div>