starting the payment view

insalan/payment/models.py

@@ -1,6 +1,7 @@
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 from insalan.user.models import User
+import uuid
 
 class TransactionStatus(models.TextChoices):
     """Information about the current transaction status"""
@@ -11,6 +12,7 @@ class TransactionStatus(models.TextChoices):
 
 class Transaction(models.Model):
     """A transaction"""
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     payer = models.ForeignKey(User, on_delete=models.CASCADE)
     amount = models.DecimalField(null=False)
     payment_status = models.CharField(

insalan/payment/serializers.py

@@ -0,0 +1,7 @@
+from rest_framework import serializers
+from .models import Transaction, TransactionStatus
+
+class TransactionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model=Transaction
+        fields = ['payer', 'amount', 'payment_status', 'date']

insalan/payment/views.py

@@ -1,3 +1,63 @@
+import json
+from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
+from os import getenv
+import requests
+from .models import Transaction
+from datetime import date
+
 from django.shortcuts import render
 
 # Create your views here.
+
+
+def pay(request):
+    # lets parse the request
+    user_request_body = json.loads(request.body)
+    product_list=[]
+    amount=0
+    name=""
+    user=request.user #not that but this is the idea
+    for asked_product in user_request_body:
+        try:
+            product = Product.objects.get(pk=asked_product[id])
+            product_list.append(product)
+            if asked_product == user_request_body.pop():
+                name+=product.name
+            else :
+                name+=product.name + ", "
+            # need that all product implement a Product Model (with an id as pk, and a price)
+            amount += product.price
+        except (ObjectDoesNotExist, MultipleObjectsReturned):
+            pass # do something
+
+    transaction=Transaction(amount=amount, payer=user, products=product_list, date=date.today())
+    # need to put a list field of product in Transaction model
+
+    # lets init a checkout to helloasso
+    url = f"https://api.helloasso.com/v5/organizations/{getenv('HELLOASSO_NAME')}/checkout-intents"
+    body = {
+        "totalAmount": amount,
+        "initialAmount": amount,
+        "itemName": name[:255],
+        "backUrl": getenv("BACK_URL"),
+        "errorUrl": getenv("ERROR_URL"),
+        "returnUrl": getenv("RETURN_URL"),
+        "containsDonation": False,
+        "payer": {
+            "firstName": user.first_name,
+            "lastName": user.last_name,
+            "email": user.email,
+        },
+        "metadata" :{
+            "id": transaction.id,
+        },
+    }
+    token=request.
+
+    # need to put BACK_URL, ERROR_URL and RETURN_URL in .env
+
+
+
+
+
+