Integrate Lago with Stripe

master
Mark Veidemanis 1 year ago
parent cde1392e68
commit 9d37e2bfb8
Signed by: m
GPG Key ID: 5ACFCEED46C0904F

@ -14,6 +14,7 @@ CSRF_TRUSTED_ORIGINS = getenv("CSRF_TRUSTED_ORIGINS", URL).split(",")
# Stripe
BILLING_ENABLED = getenv("BILLING_ENABLED", "false").lower() in trues
STRIPE_TEST = getenv("STRIPE_TEST", "true").lower() in trues
STRIPE_API_KEY_TEST = getenv("STRIPE_API_KEY_TEST", "")
STRIPE_PUBLIC_API_KEY_TEST = getenv("STRIPE_PUBLIC_API_KEY_TEST", "")

@ -18,7 +18,6 @@ from django.conf.urls.static import static
from django.contrib import admin
from django.contrib.auth.views import LogoutView
from django.urls import include, path
from django.views.generic import TemplateView
from two_factor.urls import urlpatterns as tf_urls
from core.views import (
@ -45,7 +44,7 @@ urlpatterns = [
path("__debug__/", include("debug_toolbar.urls")),
path("", base.Home.as_view(), name="home"),
# path("callback", Callback.as_view(), name="callback"),
# path("billing/", base.Billing.as_view(), name="billing"),
path("billing/", base.Billing.as_view(), name="billing"),
# path("order/<str:plan_name>/", base.Order.as_view(), name="order"),
# path(
# "cancel_subscription/<str:plan_name>/",
@ -56,7 +55,7 @@ urlpatterns = [
# "success/", TemplateView.as_view(template_name="success.html"), name="success"
# ),
# path("cancel/", TemplateView.as_view(template_name="cancel.html"), name="cancel"),
# path("portal", base.Portal.as_view(), name="portal"),
path("portal", base.Portal.as_view(), name="portal"),
path("sapp/", admin.site.urls),
# 2FA login urls
path("", include(tf_urls)),

@ -32,7 +32,7 @@ class CustomUserAdmin(UserAdmin):
*UserAdmin.fieldsets,
(
"Billing information",
{"fields": ("billing_provider_id",)},
{"fields": ("billing_provider_id", "customer_id", "stripe_id")},
),
# (
# "Payment information",

@ -1,11 +1,90 @@
import stripe
from django.conf import settings
from lago_python_client import Client
from lago_python_client.models import (
Charge,
Charges,
Customer,
CustomerBillingConfiguration,
Plan,
)
from lago_python_client.clients.base_client import LagoApiError
from lago_python_client.models import Customer, CustomerBillingConfiguration
client = Client(api_key=settings.LAGO_API_KEY, api_url=settings.LAGO_URL)
def expand_name(first_name, last_name):
"""
Convert two name variables into one.
Last name without a first name is ignored.
"""
name = None
if first_name:
name = first_name
# We only want to put the last name if we have a first name
if last_name:
name += f" {last_name}"
return name
def get_or_create(email, first_name, last_name):
"""
Get a customer ID from Stripe if one with the given email exists.
Create a customer if one does not.
Raise an exception if two or more customers matching the given email exist.
"""
# Let's see if we're just missing the ID
matching_customers = stripe.Customer.list(email=email, limit=2)
if len(matching_customers) == 2:
# Something is horribly wrong
raise Exception(f"Two customers found for email {email}")
elif len(matching_customers) == 1:
# We found a customer. Let's copy the ID
customer = matching_customers["data"][0]
customer_id = customer["id"]
return customer_id
else:
# We didn't find anything. Create the customer
# Create a name, since we have 2 variables which could be null
name = expand_name(first_name, last_name)
cast = {"email": email}
if name:
cast["name"] = name
customer = stripe.Customer.create(**cast)
return customer.id
def create_or_update_customer(user):
try:
customer = client.customers().find(str(user.customer_id))
except LagoApiError:
customer = None
if not customer:
customer = Customer(
external_id=str(user.customer_id),
name=f"{user.first_name} {user.last_name}",
)
customer.external_id = str(user.customer_id)
customer.email = user.email
customer.name = f"{user.first_name} {user.last_name}"
customer.billing_configuration = CustomerBillingConfiguration(
payment_provider="stripe",
provider_customer_id=str(user.stripe_id),
)
try:
created = client.customers().create(customer)
except LagoApiError as e:
print(e.response)
lago_id = created.lago_id
return lago_id
def update_customer_fields(user):
"""
Update the customer fields in Stripe.
"""
stripe.Customer.modify(user.stripe_id, email=user.email)
name = expand_name(user.first_name, user.last_name)
stripe.Customer.modify(user.stripe_id, name=name)

@ -1,65 +0,0 @@
# import logging
# import stripe
# logger = logging.getLogger(__name__)
# def expand_name(first_name, last_name):
# """
# Convert two name variables into one.
# Last name without a first name is ignored.
# """
# name = None
# if first_name:
# name = first_name
# # We only want to put the last name if we have a first name
# if last_name:
# name += f" {last_name}"
# return name
# def get_or_create(email, first_name, last_name):
# """
# Get a customer ID from Stripe if one with the given email exists.
# Create a customer if one does not.
# Raise an exception if two or more customers matching the given email exist.
# """
# # Let's see if we're just missing the ID
# matching_customers = stripe.Customer.list(email=email, limit=2)
# if len(matching_customers) == 2:
# # Something is horribly wrong
# logger.error(f"Two customers found for email {email}")
# raise Exception(f"Two customers found for email {email}")
# elif len(matching_customers) == 1:
# # We found a customer. Let's copy the ID
# customer = matching_customers["data"][0]
# customer_id = customer["id"]
# return customer_id
# else:
# # We didn't find anything. Create the customer
# # Create a name, since we have 2 variables which could be null
# name = expand_name(first_name, last_name)
# cast = {"email": email}
# if name:
# cast["name"] = name
# customer = stripe.Customer.create(**cast)
# logger.info(f"Created new Stripe customer {customer.id} with email {email}")
# return customer.id
# def update_customer_fields(stripe_id, email=None, first_name=None, last_name=None):
# """
# Update the customer fields in Stripe.
# """
# if email:
# stripe.Customer.modify(stripe_id, email=email)
# logger.info(f"Modified Stripe customer {stripe_id} to have email {email}")
# if first_name or last_name:
# name = expand_name(first_name, last_name)
# stripe.Customer.modify(stripe_id, name=name)
# logger.info(f"Modified Stripe customer {stripe_id} to have email {name}")

@ -1,9 +1,10 @@
# Generated by Django 4.1.7 on 2023-02-24 13:18
import uuid
import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion
import uuid
class Migration(migrations.Migration):

@ -0,0 +1,20 @@
# Generated by Django 4.1.7 on 2023-02-24 13:21
import uuid
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('core', '0002_account_activemanagementpolicy_assetgroup_hook_and_more'),
]
operations = [
migrations.AddField(
model_name='user',
name='customer_id',
field=models.UUIDField(blank=True, default=uuid.uuid4, null=True),
),
]

@ -0,0 +1,18 @@
# Generated by Django 4.1.7 on 2023-02-24 16:09
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('core', '0003_user_customer_id'),
]
operations = [
migrations.AddField(
model_name='user',
name='stripe_id',
field=models.CharField(blank=True, max_length=255, null=True),
),
]

@ -1,8 +1,8 @@
import uuid
from datetime import timedelta
# import stripe
# from django.conf import settings
import stripe
from django.conf import settings
from django.contrib.auth.models import AbstractUser
from django.db import models
@ -11,6 +11,7 @@ from core.exchanges.fake import FakeExchange
from core.exchanges.oanda import OANDAExchange
# from core.lib.customers import get_or_create, update_customer_fields
from core.lib import billing
from core.util import logs
log = logs.get_logger(__name__)
@ -93,21 +94,36 @@ ADJUST_CLOSE_NOTIFY_CHOICES = (
class User(AbstractUser):
# Stripe customer ID
# unique_id = models.UUIDField(
# default=uuid.uuid4,
# )
# stripe_id = models.CharField(max_length=255, null=True, blank=True)
stripe_id = models.CharField(max_length=255, null=True, blank=True)
customer_id = models.UUIDField(default=uuid.uuid4, null=True, blank=True)
billing_provider_id = models.CharField(max_length=255, null=True, blank=True)
# last_payment = models.DateTimeField(null=True, blank=True)
# plans = models.ManyToManyField(Plan, blank=True)
email = models.EmailField(unique=True)
# def __init__(self, *args, **kwargs):
# super().__init__(*args, **kwargs)
# self._original = self
def delete(self, *args, **kwargs):
if settings.BILLING_ENABLED:
if self.stripe_id:
stripe.Customer.delete(self.stripe_id)
log.info(f"Deleted Stripe customer {self.stripe_id}")
super().delete(*args, **kwargs)
# Override save to update attributes in Lago
def save(self, *args, **kwargs):
if self.customer_id is None:
self.customer_id = uuid.uuid4()
if settings.BILLING_ENABLED:
if not self.stripe_id: # stripe ID not stored
self.stripe_id = billing.get_or_create(
self.email, self.first_name, self.last_name
)
billing_id = billing.create_or_update_customer(self)
self.billing_provider_id = billing_id
billing.update_customer_fields(self)
super().save(*args, **kwargs)
def get_notification_settings(self):

@ -288,7 +288,7 @@
{% endif %}
{% if settings.BILLING_ENABLED %}
{% if user.is_authenticated %}
<a class="navbar-item" href="{# url 'billing' #}">
<a class="navbar-item" href="{% url 'billing' %}">
Billing
</a>
{% endif %}

@ -10,20 +10,6 @@
</span>
<span class="tag">{{ user.first_name }} {{ user.last_name }}</span>
</a>
<a class="panel-block">
<span class="panel-icon">
<i class="fas fa-binary" aria-hidden="true"></i>
</span>
{% for plan in user.plans.all %}
<span class="tag">{{ plan.name }}</span>
{% endfor %}
</a>
<a class="panel-block">
<span class="panel-icon">
<i class="fas fa-credit-card" aria-hidden="true"></i>
</span>
<span class="tag">{{ user.last_payment }}</span>
</a>
<a class="panel-block" href="{% url 'portal' %}">
<span class="panel-icon">
<i class="fa-brands fa-stripe-s" aria-hidden="true"></i>

@ -413,8 +413,6 @@ class ActiveManagementLiveTestCase(ElasticMock, StrategyMixin, LiveBase, TestCas
},
]
}
print("ACTIONS", self.ams.actions)
print("EXP", expected)
self.assertEqual(self.ams.actions, expected)

@ -1,10 +1,8 @@
import logging
import stripe
from asgiref.sync import sync_to_async
from django.conf import settings
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import JsonResponse
from django.shortcuts import redirect, render
from django.urls import reverse, reverse_lazy
from django.views import View
@ -14,7 +12,7 @@ from core.forms import NewUserForm
# from core.lib.products import assemble_plan_map
# from core.models import Plan, Session
from core.lib import billing
# from core.lib import billing
from core.lib.notify import raw_sendmsg
logger = logging.getLogger(__name__)
@ -29,16 +27,13 @@ class Home(LoginRequiredMixin, View):
return render(request, self.template_name)
# class Billing(LoginRequiredMixin, View):
# template_name = "billing.html"
class Billing(LoginRequiredMixin, View):
template_name = "billing.html"
# async def get(self, request):
# if not settings.STRIPE_ENABLED:
# return redirect(reverse("home"))
# plans = await sync_to_async(list)(Plan.objects.all())
# user_plans = await sync_to_async(list)(request.user.plans.all())
# context = {"plans": plans, "user_plans": user_plans}
# return render(request, self.template_name, context)
def get(self, request):
if not settings.BILLING_ENABLED:
return redirect(reverse("home"))
return render(request, self.template_name)
# class Order(LoginRequiredMixin, View):
@ -110,12 +105,13 @@ class Signup(CreateView):
return super().get(request, *args, **kwargs)
# class Portal(LoginRequiredMixin, View):
# async def get(self, request):
# if not settings.STRIPE_ENABLED:
# return redirect(reverse("home"))
# session = stripe.billing_portal.Session.create(
# customer=request.user.stripe_id,
# return_url=request.build_absolute_uri(reverse("billing")),
# )
# return redirect(session.url)
class Portal(LoginRequiredMixin, View):
def get(self, request):
if not settings.BILLING_ENABLED:
return redirect(reverse("home"))
session = stripe.billing_portal.Session.create(
customer=request.user.stripe_id,
return_url=request.build_absolute_uri(reverse("billing")),
)
return redirect(session.url)

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