Create Hello Asso checkout intents

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

tfjm/helloasso.py

@@ -0,0 +1,86 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from datetime import datetime, timedelta
+
+from django.conf import settings
+import requests
+
+
+_access_token = None
+_refresh_token = None
+_expires_at = None
+
+
+def get_hello_asso_access_token():
+    global _access_token, _refresh_token, _expires_at
+
+    now = datetime.now()
+    if _access_token is None:
+        response = requests.post(
+            "https://api.helloasso.com/oauth2/token",
+            data={
+                "grant_type": "client_credentials",
+                "client_id": settings.HELLOASSO_CLIENT_ID,
+                "client_secret": settings.HELLOASSO_CLIENT_SECRET,
+            },
+        )
+        response.raise_for_status()
+        data = response.json()
+        _access_token = data["access_token"]
+        _refresh_token = data["refresh_token"]
+        _expires_at = now + timedelta(seconds=data["expires_in"])
+    elif now >= _expires_at:
+        response = requests.post(
+            "https://api.helloasso.com/oauth2/token",
+            data={
+                "grant_type": "refresh_token",
+                "refresh_token": _refresh_token,
+            },
+        )
+        response.raise_for_status()
+        data = response.json()
+        _access_token = data["access_token"]
+        _refresh_token = data["refresh_token"]
+        _expires_at = now + timedelta(seconds=data["expires_in"])
+
+    return _access_token
+
+
+def get_checkout_intent(checkout_id):
+    token = get_hello_asso_access_token()
+    response = requests.get(
+        f"https://api.helloasso.com/v5/organizations/animath/checkout-intents/{checkout_id}",
+        headers={"Authorization": f"Bearer {token}"},
+    )
+    if response.status_code == 404:
+        return None
+    response.raise_for_status()
+
+    checkout_intent = response.json()
+    if requests.head(checkout_intent["redirectUrl"]).status_code == 404:
+        return None
+
+    return checkout_intent
+
+
+def create_checkout_intent(amount, name, back_url, error_url, return_url, contains_donation=False, metadata=None):
+    token = get_hello_asso_access_token()
+    metadata = metadata or {}
+    response = requests.post(
+        "https://api.helloasso.com/v5/organizations/animath/checkout-intents/",
+        headers={"Authorization": f"Bearer {token}"},
+        json={
+            "totalAmount": amount,
+            "initialAmount": amount,
+            "itemName": name,
+            "backUrl": back_url,
+            "errorUrl": error_url,
+            "returnUrl": return_url,
+            "containsDonation": contains_donation,
+            "metadata": metadata,
+        },
+    )
+    print(response.text)
+    response.raise_for_status()
+    return response.json()

tfjm/settings.py

@@ -238,7 +238,9 @@ else:
 PHONENUMBER_DB_FORMAT = 'NATIONAL'
 PHONENUMBER_DEFAULT_REGION = 'FR'
 
-GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
+# Hello Asso API creds
+HELLOASSO_CLIENT_ID = os.getenv('HELLOASSO_CLIENT_ID', 'CHANGE_ME_IN_ENV_SETTINGS')
+HELLOASSO_CLIENT_SECRET = os.getenv('HELLOASSO_CLIENT_SECRET', 'CHANGE_ME_IN_ENV_SETTINGS')
 
 # Custom parameters
 PROBLEMS = [