LMS: added python functions to evaulate quiz and save student activity
Co-authored-by: Chinmay Pai <chinmaydpai@gmail.com>
diff --git a/erpnext/education/utils.py b/erpnext/education/utils.py
index 1b93c9d..e0c96d7 100644
--- a/erpnext/education/utils.py
+++ b/erpnext/education/utils.py
@@ -2,7 +2,7 @@
# Copyright (c) 2015, Frappe Technologies and contributors
# For lice
-from __future__ import unicode_literals
+from __future__ import unicode_literals, division
import frappe
from frappe import _
@@ -51,3 +51,88 @@
.format(stud.student, stud.student_name, unique_students.index(stud.student)+1, stud.idx))
else:
unique_students.append(stud.student)
+
+def get_student_name(email=None):
+ """Returns student user name, example EDU-STU-2018-00001 (Based on the naming series).
+
+ :param user: a user email address
+ """
+ try:
+ return frappe.get_all('Student', filters={'student_email_id': email}, fields=['name'])[0].name
+ except IndexError:
+ return None
+
+@frappe.whitelist()
+def evaluate_quiz(quiz_response, **kwargs):
+ """LMS Function: Evaluates a simple multiple choice quiz. It recieves arguments from `www/lms/course.js` as dictionary using FormData[1].
+
+
+ :param quiz_response: contains user selected choices for a quiz in the form of a string formatted as a dictionary. The function uses `json.loads()` to convert it to a python dictionary.
+ [1]: https://developer.mozilla.org/en-US/docs/Web/API/FormData
+ """
+ import json
+ quiz_response = json.loads(quiz_response)
+ correct_answers = [frappe.get_value('Question', name, 'correct_options') for name in quiz_response.keys()]
+ selected_options = quiz_response.values()
+ result = [selected == correct for selected, correct in zip(selected_options, correct_answers)]
+ try:
+ score = int((result.count(True)/len(selected_options))*100)
+ except ZeroDivisionError:
+ score = 0
+
+ kwargs['selected_options'] = selected_options
+ kwargs['result'] = result
+ kwargs['score'] = score
+ add_activity('Quiz', **kwargs)
+ return score
+
+@frappe.whitelist()
+def add_activity(content_type, **kwargs):
+ activity_does_not_exists, activity = check_entry_exists(kwargs.get('program'))
+ if activity_does_not_exists:
+ current_activity = frappe.get_doc({
+ "doctype": "Student Course Activity",
+ "student_id": frappe.session.user,
+ "program_name": kwargs.get('program'),
+ "lms_activity": [{
+ "course_name": kwargs.get('course'),
+ "content_name": kwargs.get('content'),
+ "status": "Completed"
+ }]
+ })
+ if content_type == "Quiz":
+ activity = current_activity.lms_activity[-1]
+ activity.quiz_score = kwargs.get('score')
+ activity.selected_options = ", ".join(kwargs.get('selected_options'))
+ activity.result = ", ".join([str(item) for item in kwargs.get('result')]),
+ activity.status = "Passed"
+ current_activity.save()
+ frappe.db.commit()
+ else:
+ if content_type in ("Article", "Video"):
+ lms_activity_list = [[data.course_name, data.content_name] for data in activity.lms_activity]
+ if not [kwargs.get('course'), kwargs.get('content')] in lms_activity_list:
+ activity.append("lms_activity", {
+ "course_name": kwargs.get('course'),
+ "content_name": kwargs.get('content'),
+ "status": "Completed"
+ })
+ else:
+ activity.append("lms_activity", {
+ "course_name": kwargs.get('course'),
+ "content_name": kwargs.get('content'),
+ "status": "Passed",
+ "quiz_score": kwargs.get('score'),
+ "selected_options": ", ".join(kwargs.get('selected_options')),
+ "result": ", ".join([str(item) for item in kwargs.get('result')])
+ })
+ activity.save()
+ frappe.db.commit()
+
+def check_entry_exists(program):
+ try:
+ activity_name = frappe.get_all("Student Course Activity", filters={"student_id": frappe.session.user, "program_name": program})[0]
+ except IndexError:
+ return True, None
+ else:
+ return None, frappe.get_doc("Student Course Activity", activity_name)
\ No newline at end of file