brotherton-erpnext/erpnext/www/lms.py
2019-02-19 13:06:32 +05:30

268 lines
8.8 KiB
Python

from __future__ import unicode_literals
import erpnext.education.utils as utils
import frappe
# Academy Utils
@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()
course_data = [{'meta':get_continue_content(item.name), 'course':item} for item in courses]
return course_data
def get_continue_content(course_name):
if frappe.session.user == "Guest":
return dict(content=None, content_type=None, flag=None)
enrollment = utils.get_course_enrollment(course_name)
course = frappe.get_doc("Course", enrollment.course)
last_activity = enrollment.get_last_activity()
if last_activity == None:
next_content = course.get_first_content()
return dict(content=next_content.name, content_type=next_content.doctype, flag="Start")
if last_activity.doctype == "Quiz Activity":
next_content = get_next_content(last_activity.quiz, "Quiz", course.name)
else:
next_content = get_next_content(last_activity.content, last_activity.content_type, course.name)
if next_content == None:
next_content = course.get_first_content()
return dict(content=next_content.name, content_type=next_content.doctype, flag="Complete")
else:
next_content['flag'] = "Continue"
return next_content
def get_starting_content(course_name):
course = frappe.get_doc('Course', course_name)
content = course.course_content[0].content
content_type = course.course_content[0].content_type
return dict(content=content, content_type=content_type)
# Functions to get content details
@frappe.whitelist()
def get_content(content_name, content_type):
try:
content = frappe.get_doc(content_type, content_name)
return content
except:
frappe.throw("{0} with name {1} does not exist".format(content_type, content_name))
return None
@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:
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 get_continue_data(program_name):
program = frappe.get_doc("Program", program_name)
courses = program.get_all_children()
try:
continue_data = get_starting_content(courses[0].course)
continue_data['course'] = courses[0].course
return continue_data
except:
return None
@frappe.whitelist()
def enroll_in_program(program_name):
if(not utils.get_current_student()):
utils.create_student(frappe.session.user)
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
@frappe.whitelist()
def get_program_enrollments():
if utils.get_current_student() == None:
return None
try:
student = frappe.get_doc("Student", utils.get_current_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
# Academty Activity
@frappe.whitelist()
def add_activity(enrollment, content_type, content):
if(utils.check_activity_exists(enrollment, content_type, content)):
pass
else:
activity = frappe.get_doc({
"doctype": "Course Activity",
"enrollment": enrollment,
"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)
content_activity, quiz_activity = course_enrollment.get_linked_activity()
content_list, quiz_list = course.get_contents_based_on_type()
quiz_scores, is_quiz_complete, last_quiz_attempted = get_quiz_progress(quiz_list, quiz_activity)
is_content_complete, last_content_viewed = get_content_progress(content_list, content_activity)
quiz_data = {
'gradable_quiz_attempts': quiz_scores,
'complete': is_quiz_complete,
'last': last_quiz_attempted
}
content_data = {
'complete': is_content_complete,
'last': last_content_viewed
}
return quiz_data, content_data
def get_quiz_progress(quiz_list, quiz_activity):
scores = []
is_complete = True
last_attempted = None
for quiz in quiz_list:
attempts = [attempt for attempt in quiz_activity if attempt.quiz==quiz.name]
if attempts and quiz.grading_basis == 'Last Attempt':
scores.append(attempts[0])
last_attempted = quiz
elif attempts and quiz.grading_basis == 'Last Highest Score':
sorted_by_score = sorted(attempts, key = lambda i: int(i.score), reverse=True)
scores.append(sorted_by_score[0])
last_attempted = quiz
elif not attempts:
is_complete = False
return scores, is_complete, last_attempted
def get_content_progress(content_list, content_activity):
is_complete = True
last_viewed = None
activity_list = [[activity.content, activity.content_type] for activity in content_activity]
for item in content_list:
current_content = [item.name, item.doctype]
if current_content in activity_list:
last_viewed = item
else:
is_complete = False
return is_complete, last_viewed