brotherton-erpnext/erpnext/www/lms.py
2019-02-19 13:06:33 +05:30

269 lines
9.8 KiB
Python

from __future__ import unicode_literals
import erpnext.education.utils as utils
import frappe
# LMS Utils to Update State for Vue Store
@frappe.whitelist()
def get_program_enrollments():
student = utils.get_current_student()
if student == None:
return None
try:
student = frappe.get_doc("Student", student)
return student.get_program_enrollments()
except:
return None
@frappe.whitelist()
def get_all_course_enrollments():
student = utils.get_current_student()
if student == None:
return None
try:
student = frappe.get_doc("Student", student)
return student.get_all_course_enrollments()
except:
return None
# Vue Client Functions
@frappe.whitelist(allow_guest=True)
def get_portal_details():
"""
Returns portal details from Education Settings Doctype. This contains the Title and Description for LMS amoung other things.
"""
settings = frappe.get_doc("Education Settings")
title = settings.portal_title
description = settings.description
return dict(title=title, description=description)
@frappe.whitelist(allow_guest=True)
def get_featured_programs():
featured_program_names = frappe.get_all("Program", filters={"is_published": True, "is_featured": True})
if featured_program_names:
featured_list = [utils.get_program(program['name']) for program in featured_program_names]
return featured_list
else:
return None
@frappe.whitelist(allow_guest=True)
def get_all_programs():
program_names = frappe.get_all("Program", filters={"is_published": True})
if program_names:
featured_list = [utils.get_program(program['name']) for program in program_names]
return featured_list
else:
return None
@frappe.whitelist(allow_guest=True)
def get_program_details(program_name):
try:
program = frappe.get_doc('Program', program_name)
return program
except:
return None
# Functions to get program & course details
@frappe.whitelist(allow_guest=True)
def get_courses(program_name):
program = frappe.get_doc('Program', program_name)
courses = program.get_course_list()
return courses
@frappe.whitelist()
def get_next_content(content, content_type, course):
if frappe.session.user == "Guest":
return None
course_doc = frappe.get_doc("Course", course)
content_list = [{'content_type':item.content_type, 'content':item.content} for item in course_doc.get_all_children()]
current_index = content_list.index({'content': content, 'content_type': content_type})
try:
# print(content_list[current_index + 1])
return content_list[current_index + 1]
except IndexError:
return None
def get_quiz_with_answers(quiz_name):
try:
quiz = frappe.get_doc("Quiz", quiz_name).get_questions()
quiz_output = [{'name':question.name, 'question':question.question, 'options':[{'name': option.name, 'option':option.option, 'is_correct':option.is_correct} for option in question.options]} for question in quiz]
return quiz_output
except:
frappe.throw("Quiz {0} does not exist".format(quiz_name))
return None
@frappe.whitelist()
def get_quiz_without_answers(quiz_name):
try:
quiz = frappe.get_doc("Quiz", quiz_name).get_questions()
quiz_output = [{'name':question.name, 'question':question.question, 'options':[{'name': option.name, 'option':option.option} for option in question.options]} for question in quiz]
return quiz_output
except:
frappe.throw("Quiz {0} does not exist".format(quiz_name))
return None
@frappe.whitelist()
def evaluate_quiz(enrollment, quiz_response, quiz_name):
"""LMS Function: Evaluates a simple multiple choice quiz.
: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.
"""
import json
quiz_response = json.loads(quiz_response)
quiz = frappe.get_doc("Quiz", quiz_name)
answers, score, status = quiz.evaluate(quiz_response, quiz_name)
result = {k: ('Correct' if v else 'Wrong') for k,v in answers.items()}
result_data = []
for key in answers:
item = {}
item['question'] = key
item['quiz_result'] = result[key]
try:
item['selected_option'] = frappe.get_value('Options', quiz_response[key], 'option')
except:
item['selected_option'] = "Unattempted"
result_data.append(item)
# result_data = [{'question': key, 'selected_option': frappe.get_value('Options', quiz_response[key], 'option'), 'quiz_result': result[key]} for key in answers]
add_quiz_activity(enrollment, quiz_name, result_data, score, status)
return(score)
def add_quiz_activity(enrollment, quiz_name, result_data, score, status):
quiz_activity = frappe.get_doc({
"doctype": "Quiz Activity",
"enrollment": enrollment,
"quiz": quiz_name,
"activity_date": frappe.utils.datetime.datetime.now(),
"result": result_data,
"score": score,
"status": status
})
quiz_activity.save()
frappe.db.commit()
@frappe.whitelist()
def enroll_in_program(program_name):
if(not utils.get_current_student()):
utils.create_student()
student = frappe.get_doc("Student", utils.get_current_student())
program_enrollment = student.enroll_in_program(program_name)
utils.enroll_all_courses_in_program(program_enrollment, student)
return program_name
# Academty Activity
@frappe.whitelist()
def add_activity(course, content_type, content):
enrollment = utils.get_course_enrollment(course)
if(utils.check_activity_exists(enrollment.name, content_type, content)):
pass
else:
activity = frappe.get_doc({
"doctype": "Course Activity",
"enrollment": enrollment.name,
"content_type": content_type,
"content": content,
"activity_date": frappe.utils.datetime.datetime.now()
})
activity.save()
frappe.db.commit()
def get_course_progress(course_enrollment):
course = frappe.get_doc('Course', course_enrollment.course)
contents = course.get_contents()
progress = []
for content in contents:
if content.doctype in ('Article', 'Video'):
status = check_content_completion(content.name, content.doctype, course_enrollment.name)
progress.append({'content': content.name, 'content_type': content.doctype, 'is_complete': status})
elif content.doctype == 'Quiz':
status, score, result = check_quiz_completion(content, course_enrollment.name)
progress.append({'content': content.name, 'content_type': content.doctype, 'is_complete': status, 'score': score, 'result': result})
return progress
def check_content_completion(content_name, content_type, enrollment_name):
activity = frappe.get_list("Course Activity", filters={'enrollment': enrollment_name, 'content_type': content_type, 'content': content_name})
if activity:
return True
else:
return False
def check_quiz_completion(quiz, enrollment_name):
attempts = frappe.get_list("Quiz Activity", filters={'enrollment': enrollment_name, 'quiz': quiz.name}, fields=["name", "activity_date", "score", "status"])
status = bool(len(attempts) == quiz.max_attempts)
score = None
result = None
if attempts:
if quiz.grading_basis == 'Last Highest Score':
attempts = sorted(attempts, key = lambda i: int(i.score), reverse=True)
score = attempts[0]['score']
result = attempts[0]['status']
if result == 'Pass':
status = True
return status, score, result
@frappe.whitelist()
def get_course_meta(course_name, program_name):
course_enrollment = utils.get_course_enrollment(course_name)
program_enrollment = utils.get_program_enrollment(program_name)
if not program_enrollment:
return None
if not course_enrollment:
utils.enroll_in_course(course_name, program_name)
progress = get_course_progress(course_enrollment)
count = sum([act['is_complete'] for act in progress])
if count == 0:
return {'flag':'Start Course', 'content_type': progress[0]['content_type'], 'content': progress[0]['content']}
elif count == len(progress):
return {'flag':'Completed', 'content_type': progress[0]['content_type'], 'content': progress[0]['content']}
elif count < len(progress):
next_item = next(item for item in progress if item['is_complete']==False)
return {'flag':'Continue', 'content_type': next_item['content_type'], 'content': next_item['content']}
@frappe.whitelist()
def get_program_progress(program_name):
import math
program = frappe.get_doc("Program", program_name)
program_enrollment = frappe.get_list("Program Enrollment", filters={'student': utils.get_current_student(), 'program': program_name })[0].name
program_meta = {}
if not program_enrollment:
return None
else:
progress = []
for course in program.get_all_children():
meta = get_course_meta(course.course, program_name)
is_complete = False
if meta['flag'] == "Completed":
is_complete = True
progress.append({'course_name': course.course_name, 'name': course.course, 'is_complete': is_complete})
program_meta['progress'] = progress
program_meta['name'] = program_name
program_meta['program'] = program.program_name
program_meta['percentage'] = math.ceil((sum([item['is_complete'] for item in progress] * 100)/len(progress)))
return program_meta
@frappe.whitelist()
def get_joining_date():
student = frappe.get_doc("Student", utils.get_current_student())
return student.joining_date
@frappe.whitelist()
def get_quiz_progress(program_name):
program = frappe.get_doc("Program", program_name)
program_enrollment = frappe.get_list("Program Enrollment", filters={'student': utils.get_current_student(), 'program': program_name })[0].name
quiz_meta = frappe._dict()
if not program_enrollment:
return None
else:
progress_list = []
for course in program.get_all_children():
course_enrollment = utils.get_course_enrollment(course.course)
meta = get_course_progress(course_enrollment)
for progress_item in meta:
# if progress_item['content_type'] == "Quiz" and progress_item['is_complete'] == True:
if progress_item['content_type'] == "Quiz":
progress_item['course'] = course.course_name
progress_list.append(progress_item)
quiz_meta.quiz_attempt = progress_list
quiz_meta.name = program_name
quiz_meta.program = program.program_name
return quiz_meta