Begin implementing Yapily API

handler/sinks/yapily.py

@@ -0,0 +1,53 @@
+# Twisted/Klein imports
+from twisted.logger import Logger
+
+# Other library imports
+import requests
+from requests.auth import HTTPBasicAuth
+from json import dumps
+from simplejson.errors import JSONDecodeError
+
+# Project imports
+from settings import settings
+
+
+class Yapily(object):
+    """
+    Class to manage calls to Open Banking APIs through Yapily.
+    """
+
+    def __init__(self):
+        self.log = Logger("yapily")
+        self.auth = HTTPBasicAuth(settings.Yapily.ID, settings.Yapily.Key)
+        print(self.get_institutions())
+        authorisation = self.get_authorisation("monzo_ob", settings.Yapily.CallbackURL)
+        print("authirisation", authorisation)
+
+    def get_institutions(self, filter_name=None):
+        """
+        Get a list of supported institutions.
+        """
+
+        path = f"{settings.Yapily.Base}/institutions"
+        r = requests.get(path, auth=self.auth)
+        try:
+            parsed = r.json()
+        except JSONDecodeError:
+            self.log.error("Error parsing institutions response: {content}", content=r.content)
+            return False
+        return parsed
+
+    def get_authorisation(self, institution_id, callback_url):
+        """
+        Get an authorisation URL for linking a bank account of an institution.
+        """
+        headers = {"Content-Type": "application/json"}
+        data = {"applicationUserId": "account-data-and-transactions-tutorial", "institutionId": institution_id, "callback": callback_url}
+        path = f"{settings.Yapily.Base}/account-auth-requests"
+        r = requests.post(path, headers=headers, data=dumps(data), auth=self.auth)
+        try:
+            parsed = r.json()
+        except JSONDecodeError:
+            self.log.error("Error parsing institutions response: {content}", content=r.content)
+            return False
+        return parsed