feat: allow member creation via API
diff --git a/erpnext/non_profit/doctype/member/member.py b/erpnext/non_profit/doctype/member/member.py
index 6c2da07..797736a 100644
--- a/erpnext/non_profit/doctype/member/member.py
+++ b/erpnext/non_profit/doctype/member/member.py
@@ -9,6 +9,7 @@
 from frappe.contacts.address_and_contact import load_address_and_contact
 from frappe.utils import cint
 from frappe.integrations.utils import get_payment_gateway_controller
+from erpnext.non_profit.doctype.membership_type.membership_type import get_membership_type
 
 class Member(Document):
 	def onload(self):
@@ -74,19 +75,23 @@
 		return create_member(user_details)
 
 def create_member(user_details):
+	user_details = frappe._dict(user_details)
 	member = frappe.new_doc("Member")
 	member.update({
 		"member_name": user_details.fullname,
 		"email_id": user_details.email,
 		"pan_number": user_details.pan or None,
 		"membership_type": user_details.plan_id,
-		"customer": create_customer(user_details)
+		"subscription_id": user_details.subscription_id or None
 	})
 
 	member.insert(ignore_permissions=True)
+	member.customer = create_customer(user_details, member.name)
+	member.save(ignore_permissions=True)
+
 	return member
 
-def create_customer(user_details):
+def create_customer(user_details, member=None):
 	customer = frappe.new_doc("Customer")
 	customer.customer_name = user_details.fullname
 	customer.customer_type = "Individual"
@@ -107,7 +112,13 @@
 			"link_name": customer.name
 		})
 
-		contact.save()
+		if member:
+			contact.append("links", {
+				"link_doctype": "Member",
+				"link_name": member
+			})
+
+		contact.save(ignore_permissions=True)
 
 	except frappe.DuplicateEntryError:
 		return customer.name
@@ -139,12 +150,31 @@
 
 	user_details = frappe._dict(user_details)
 	member = get_or_create_member(user_details)
-	if not member:
-		member = create_member(user_details)
 
 	subscription = member.setup_subscription()
 
 	member.subscription_id = subscription.get('subscription_id')
 	member.save(ignore_permissions=True)
 
-	return subscription
\ No newline at end of file
+	return subscription
+
+@frappe.whitelist(allow_guest=True)
+def register_member(fullname, email, rzpay_plan_id, subscription_id, pan=None, mobile=None):
+	plan = get_membership_type(rzpay_plan_id)
+	if not plan:
+		raise frappe.DoesNotExistError
+
+	member = frappe.db.exists("Member", {'email': email, 'subscription_id': subscription_id })
+	if member:
+		return member
+	else:
+		member = create_member(dict(
+			fullname=fullname,
+			email=email,
+			plan_id=plan,
+			subscription_id=subscription_id,
+			pan=pan,
+			mobile=mobile
+		))
+
+		return member.name
\ No newline at end of file
diff --git a/erpnext/non_profit/doctype/membership_type/membership_type.json b/erpnext/non_profit/doctype/membership_type/membership_type.json
index a163568..6ce1ecd 100644
--- a/erpnext/non_profit/doctype/membership_type/membership_type.json
+++ b/erpnext/non_profit/doctype/membership_type/membership_type.json
@@ -39,12 +39,12 @@
    "fieldname": "linked_item",
    "fieldtype": "Link",
    "label": "Linked Item",
-   "options": "Item"
+   "options": "Item",
+   "unique": 1
   }
  ],
- "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2020-07-28 10:57:50.821375",
+ "modified": "2020-08-05 15:21:43.595745",
  "modified_by": "Administrator",
  "module": "Non Profit",
  "name": "Membership Type",
diff --git a/erpnext/non_profit/doctype/membership_type/membership_type.py b/erpnext/non_profit/doctype/membership_type/membership_type.py
index 7fa98a9..b95b043 100644
--- a/erpnext/non_profit/doctype/membership_type/membership_type.py
+++ b/erpnext/non_profit/doctype/membership_type/membership_type.py
@@ -4,6 +4,10 @@
 
 from __future__ import unicode_literals
 from frappe.model.document import Document
+import frappe
 
 class MembershipType(Document):
-	pass
\ No newline at end of file
+	pass
+
+def get_membership_type(razorpay_id):
+	return frappe.db.exists("Membership Type", {"razorpay_plan_id": razorpay_id})
\ No newline at end of file