work on payment code

main.go

@@ -56,7 +56,7 @@ func serveTemplate(w http.ResponseWriter, r *http.Request) {
         var last_metrics []OneMetric
         var checkout_session_id string
 
-	if (r.URL.Path == "/scales.html") || (r.URL.Path == "/abos.html") {
+	if (r.URL.Path == "/scales.html") {
                 // wir holen noch die letzten Metriken
                 for _, v := range scales {
                    last_metric := getLastMetrics(v)
@@ -64,13 +64,6 @@ func serveTemplate(w http.ResponseWriter, r *http.Request) {
                 }
 	}
 
-	if (r.URL.Path == "/abos.html") {
-                // wir generieren die Stripe Session ID
-                checkout_session_id = GetStripeSessionID()
-		logit("Stripe Session ID: " + checkout_session_id)
-
-	}
-
         data := struct {
             UserName  string
             DateTimeString string
@@ -107,6 +100,7 @@ func main() {
         http.HandleFunc("/metrics", metricsHandler)
         http.HandleFunc("/lastmetrics", lastmetricsHandler)
         http.HandleFunc("/save_scale_settings", save_scale_settingsHandler)
+        http.HandleFunc("/getstripesession", getstripesessionHandler)
 
 	logit("Starting Web Application...")
 	http.ListenAndServe("127.0.0.1:4000", nil)

snippets/abos.html

@@ -1,50 +0,0 @@
-{{define "body_content"}}
-<p class="title is-4">Abos</p>
-<p>Hier k&ouml;nnen blablabla...</p>
-<div class="columns is-marginless">
-  <div class="column is-full"></div>
-</div>
-{{ if ne .UserName "" }}
-{{range .LastMetrics}}
-<div class="columns is-vcentered is-marginless">
-  <div class="column is-full has-background-primary">
-    <span id="alias_{{.Deveui}}" class="is-size-7-mobile is-size-4-tablet">{{.Alias}} (bis 01.01.2099)</span>
-    <div class="select is-pulled-right is-vcentered is-size-7-mobile">
-      <select class="has-background-light">
-        <option>keine</option>
-        <option>1 Jahr</option>
-        <option>2 Jahre</option>
-        <option>3 Jahre</option>
-      </select>
-    </div>
-  </div>
-</div>
-<div class="columns">
-  <div class="column is-full"></div>
-</div>
-{{end}}
-<div>
-<button id="pay-button" class="button is-success">Pay</button>
-</div>
-
-<script src="https://js.stripe.com/v3/"></script>
-
-<script>
-
-var stripe = Stripe('pk_test_YkSGqH3Tk9WKK9HrlY63GhAg');
-
-$("#pay-button").click(function() {
-  stripe.redirectToCheckout({
-    sessionId: '{{.CheckoutSessionID}}'
-  }).then(function (result) {
-    // If `redirectToCheckout` fails due to a browser or network
-    // error, display the localized error message to your customer
-    // using `result.error.message`.
-  });
-});
-</script>
-
-{{ else }}
-<h4>Bitte zuerst <a href="login.html">einloggen</a></h4>
-{{end}}
-{{end}}

snippets/scales.html

@@ -179,25 +179,11 @@ $(".show-modal").click(function() {
   $("#modal").addClass("is-active");  
 });
 
-$(".abo_pay").click(function() {
-  console.log("pay...");
-  el = $(this).parent().find(".abo_add_years");
-  counter = Number(el.html());
-  if (counter > 0) {
-    $("#cart").addClass("is-active");  
-  }
-});
-
 $("#cart-close").click(function() {
    console.log("blabla");
    $("#cart").removeClass("is-active");
 });
 
-$("#cart-pay").click(function() {
-   console.log("hoopla");
-  $("#cart").removeClass("is-active");
-});
-
 $(".abo_plus").click(function() {
    console.log("abo_plus");
    el = $(this).parent().find(".abo_add_years");
@@ -232,6 +218,15 @@ $(".abo_minus").click(function() {
    }
 });
 
+$(".abo_pay").click(function() {
+  console.log("pay...");
+  el = $(this).parent().find(".abo_add_years");
+  counter = Number(el.html());
+  if (counter > 0) {
+    $("#cart").addClass("is-active");  
+  }
+});
+
 $("#modal-close").click(function() {
    console.log("blabla");
    $("#modal").removeClass("is-active");
@@ -303,6 +298,52 @@ $("#modal-save").click(function() {
   $("#modal").removeClass("is-active");
 });
 
+});
+
+</script>
+
+<script src="https://js.stripe.com/v3/"></script>
+
+<script>
+
+var stripe = Stripe('pk_test_YkSGqH3Tk9WKK9HrlY63GhAg');
+
+$("#cart-pay").click(function() {
+   console.log("hoopla");
+  $("#cart").removeClass("is-active");
+
+  $.ajax({
+    url: "getstripesession",
+    type: "get", //send it through get method
+    dataType: "json",
+    data: { 
+      charge_name: "Abo", 
+      charge_description: "Desription",
+      charge_amount_rappen: 500, 
+      charge_quantity: 1
+    },
+    success: function(response) {
+      console.log('pay success');
+      console.log(response.stripesessionid);
+      console.log('rc: '+response.rc);
+      if (response.rc == 0) {
+        console.log('redirectToCheckout');
+        stripe.redirectToCheckout({
+          sessionId: response.stripesessionid
+        }).then(function (result) {
+          // If `redirectToCheckout` fails due to a browser or network
+          // error, display the localized error message to your customer
+          // using `result.error.message`.
+        });
+      }
+    },
+    error: function(xhr) {
+      console.log('getstripesession error');
+      //Do Something to handle error
+    }
+  });
+
+
 });
 </script>
 

stripe.go

@@ -1,11 +1,58 @@
 package main
 
 import (
+    "fmt"
+    "log"
+    "strconv"
+    "net/http"
     "github.com/stripe/stripe-go"
     "github.com/stripe/stripe-go/checkout/session"
 )
 
-func GetStripeSessionID() string {
+func getstripesessionHandler(response http.ResponseWriter, request *http.Request) {
+        name := getUserName(request)
+        if name  != "" {
+
+           charge_name, ok := request.URL.Query()["charge_name"]
+           if !ok || len(charge_name[0]) < 1 {
+             log.Println("Url Param 'charge_name' is missing")
+	     fmt.Fprintf(response, "{ \"rc\": 1, \"msg\": \"charge_name must be specified in URL\" }")
+             return
+           }
+
+           charge_description, ok := request.URL.Query()["charge_description"]
+           if !ok || len(charge_description[0]) < 1 {
+             log.Println("Url Param 'charge_description' is missing")
+	     fmt.Fprintf(response, "{ \"rc\": 2, \"msg\": \"charge_description must be specified in URL\" }")
+             return
+           }
+
+           charge_quantity, ok := request.URL.Query()["charge_quantity"]
+           if !ok || len(charge_quantity[0]) < 1 {
+             log.Println("Url Param 'charge_quantity' is missing")
+	     fmt.Fprintf(response, "{ \"rc\": 3, \"msg\": \"charge_quantity must be specified in URL\" }")
+             return
+           }
+           charge_quantity_int64, err := strconv.Atoi(charge_quantity[0])
+           if err == nil {
+             fmt.Println(charge_quantity_int64)
+           } else {
+             fmt.Println(charge_quantity[0], "is not an integer.")
+           }
+
+           charge_amount_rappen, ok := request.URL.Query()["charge_amount_rappen"]
+           if !ok || len(charge_amount_rappen[0]) < 1 {
+             log.Println("Url Param 'charge_amount_rappen' is missing")
+	     fmt.Fprintf(response, "{ \"rc\": 4, \"msg\": \"charge_amount_rappen must be specified in URL\" }")
+             return
+           }
+           charge_amount_rappen_int64, err := strconv.Atoi(charge_amount_rappen[0])
+           if err == nil {
+             fmt.Println(charge_amount_rappen_int64,)
+           } else {
+             fmt.Println(charge_amount_rappen[0], "is not an integer.")
+           }
+
 	   stripe.Key = "sk_test_GJbXPD0IAFNvvGpNEpaeDfhl"
 
 	   params := &stripe.CheckoutSessionParams{
@@ -14,11 +61,11 @@ func GetStripeSessionID() string {
    		}),
 		LineItems: []*stripe.CheckoutSessionLineItemParams{
 			&stripe.CheckoutSessionLineItemParams{
-				Name:        stripe.String("Abo"),
+				Name:        stripe.String(charge_name[0]),
-				Description: stripe.String("Abo mini-beieli.ch"),
+				Description: stripe.String(charge_description[0]),
-				Amount:      stripe.Int64(500),
+				Amount:      stripe.Int64(int64(charge_amount_rappen_int64)),
 				Currency:    stripe.String(string(stripe.CurrencyCHF)),
-				Quantity:    stripe.Int64(1),
+				Quantity:    stripe.Int64(int64(charge_quantity_int64)),
 			},
 		},
 		SuccessURL: stripe.String("https://mini-beieli.ch/payment_received.html"),
@@ -27,8 +74,12 @@ func GetStripeSessionID() string {
 
 	    session, err := session.New(params)
             if err != nil {
-          return ""
+              fmt.Fprintf(response,"{ \"rc\": 5, \"stripesessionid\": \"%s\" }\n","ERROR") 
             } else {
-          return session.ID
+              fmt.Fprintf(response,"{ \"rc\": 0, \"stripesessionid\": \"%s\" }\n",session.ID ) 
+            }
+
+        } else {
+	   fmt.Fprintf(response, "{ \"rc\": 6, \"msg\": \"Only available for logged in users\" }")
         }
 }