Added oAuth support for check status, credit alert methods.

Refactored code to move headers to init (Prevents the need to initialise the token often)
Added the authType in the README.

Author: krishna

README.md

@@ -33,7 +33,8 @@ dl = deeplink.Deeplink(
     "YOUR SCHEME ID",
     "YOUR JWT SECRET",
     "YOUR PRODUCT INSTANCE ID",
-    mode="PRODUCTION | SANDBOX" # default SANDBOX
+    mode="PRODUCTION | SANDBOX" # default SANDBOX,
+    authType= "JWT | OAUTH" # default JWT
 )
 ```
 

setu/deeplink.py

@@ -22,6 +22,14 @@ def __init__(self, schemeId, secret, productInstance, authType="JWT", mode="SAND
         self.url = URLS.Sandbox.url if mode != "PRODUCTION" else URLS.Prod.url
         self.mode = mode
         self.authType = authType
+        
+        # Generate required headers
+        self.headers = generate_setu_headers(
+            self.schemeId, self.secret, self.productInstance, self.url, self.authType
+        )
+
+        if self.authType != 'JWT':
+            self.url = self.url + '/v2'
 
     # Generate UPI payment link method
     def create_payment_link(
@@ -61,18 +69,9 @@ def create_payment_link(
         if validationRules is not None:
             payload.update({"validationRules": validationRules})
 
-        # Generate required headers
-        headers = generate_setu_headers(
-            self.schemeId, self.secret, self.productInstance, self.url, self.authType
-        )
-
         # Call API with required parameters
-
-        if self.authType != 'JWT':
-            url = self.url + '/v2' +  path
-
         response = requests.post(
-            url, json=payload, headers=headers
+            self.url + path, json=payload, headers=self.headers
         )
 
         # Handle errors
@@ -86,15 +85,10 @@ def check_payment_status(
         platformBillID
     ):
         path = "/payment-links/{}".format(platformBillID)
-
-        # Generate required headers
-        headers = generate_setu_headers(
-            self.schemeId, self.secret, self.productInstance
-        )
-
+        
         # Call API with required parameters
         response = requests.get(
-            self.url + path, headers=headers
+            self.url + path, headers=self.headers
         )
 
         return response.json()
@@ -120,14 +114,9 @@ def trigger_mock_payment(self, amountValue, upiID):
             "type": "UPI",
         }
 
-        # Generate required headers
-        headers = generate_setu_headers(
-            self.schemeId, self.secret, self.productInstance
-        )
-
         # Call API with required parameters
         response = requests.post(
-            self.url + path, json=payload, headers=headers
+            self.url + path, json=payload, headers=self.headers
         )
 
         return response