feat: Added support for approve/reject join requests to a cohort subgroup

Issue #271

school/lms/api.py

@@ -70,3 +70,41 @@ def join_cohort(course, cohort, subgroup, invite_code):
     doc = frappe.get_doc(data)
     doc.insert(ignore_permissions=True)
     return {"ok": True}
+
+@frappe.whitelist()
+def approve_cohort_join_request(join_request):
+    r = frappe.get_doc("Cohort Join Request", join_request)
+    sg = r and frappe.get_doc("Cohort Subgroup", r.subgroup)
+    if not sg or r.status not in ["Pending", "Accepted"]:
+        return {
+            "ok": False,
+            "error": "Invalid Join Request"
+        }
+    if not sg.is_manager(frappe.session.user):
+        return {
+            "ok": False,
+            "error": "Permission Deined"
+        }
+
+    r.status = "Accepted"
+    r.save(ignore_permissions=True)
+    return {"ok": True}
+
+@frappe.whitelist()
+def reject_cohort_join_request(join_request):
+    r = frappe.get_doc("Cohort Join Request", join_request)
+    sg = r and frappe.get_doc("Cohort Subgroup", r.subgroup)
+    if not sg or r.status not in ["Pending", "Rejected"]:
+        return {
+            "ok": False,
+            "error": "Invalid Join Request"
+        }
+    if not sg.is_manager(frappe.session.user):
+        return {
+            "ok": False,
+            "error": "Permission Deined"
+        }
+
+    r.status = "Rejected"
+    r.save(ignore_permissions=True)
+    return {"ok": True}

school/lms/doctype/cohort_join_request/cohort_join_request.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2021, FOSS United and contributors
 # For license information, please see license.txt
 
-# import frappe
+import frappe
 from frappe.model.document import Document
 
 class CohortJoinRequest(Document):
@@ -10,4 +10,25 @@ class CohortJoinRequest(Document):
             self.ensure_student()
 
     def ensure_student(self):
-        pass
+        q = {
+            "doctype": "LMS Batch Membership",
+            "cohort": self.cohort,
+            "subgroup": self.subgroup,
+            "email": self.email
+        }
+        if frappe.db.exists(q):
+            return
+
+        cohort = frappe.get_doc("Cohort", self.cohort)
+
+        data = {
+            "doctype": "LMS Batch Membership",
+            "course": cohort.course,
+            "cohort": self.cohort,
+            "subgroup": self.subgroup,
+            "member": self.email,
+            "member_type": "Student",
+            "role": "Member"
+        }
+        doc = frappe.get_doc(data)
+        doc.insert(ignore_permissions=True)

school/lms/doctype/cohort_subgroup/cohort_subgroup.py

@@ -57,5 +57,15 @@ class CohortSubgroup(Document):
         }
         return frappe.db.exists(q)
 
+    def is_manager(self, email):
+        """Returns True if the given user is a manager of this subgroup.
+
+        Mentors of the subgroup, admins of the Cohort are considered as managers.
+        """
+        return self.is_mentor(email) or self.get_cohort().is_admin(email)
+
+    def get_cohort(self):
+        return frappe.get_doc("Cohort", self.cohort)
+
 #def after_doctype_insert():
 #    frappe.db.add_unique("Cohort Subgroup", ("cohort", "slug"))