Files
enlight-lms/lms/lms/utils.py
2026-02-23 10:29:13 +05:30

2316 lines
63 KiB
Python

import hashlib
import json
import re
import frappe
import requests
from frappe import _
from frappe.desk.doctype.dashboard_chart.dashboard_chart import get_result
from frappe.desk.doctype.notification_log.notification_log import make_notification_logs
from frappe.desk.notifications import extract_mentions
from frappe.model.document import Document
from frappe.rate_limiter import rate_limit
from frappe.utils import (
add_months,
cint,
flt,
fmt_money,
format_datetime,
get_datetime,
get_frappe_version,
get_fullname,
get_time_str,
getdate,
nowtime,
pretty_date,
rounded,
)
from pypika import Case
from pypika import functions as fn
from lms.lms.md import find_macros
RE_SLUG_NOTALLOWED = re.compile("[^a-z0-9]+")
LMS_ROLES = ["Moderator", "Course Creator", "Batch Evaluator", "LMS Student"]
def get_lms_path():
path = frappe.conf.get("lms_path") or "lms"
return path.strip("/")
def get_lms_route(path=""):
base = f"/{get_lms_path()}"
if not path:
return base
return f"{base}/{path.lstrip('/')}"
def extend_bootinfo(bootinfo: dict):
bootinfo["lms_path"] = get_lms_path()
def slugify(title: str, used_slugs: list = None):
"""Converts title to a slug.
If a list of used slugs is specified, it will make sure the generated slug
is not one of them.
>>> slugify("Hello World!")
'hello-world'
>>> slugify("Hello World!", ["hello-world"])
'hello-world-2'
>>> slugify("Hello World!", ["hello-world", "hello-world-2"])
'hello-world-3'
"""
if not used_slugs:
used_slugs = []
slug = RE_SLUG_NOTALLOWED.sub("-", title.lower()).strip("-")
used_slugs = set(used_slugs)
if slug not in used_slugs:
return slug
count = 2
while True:
new_slug = f"{slug}-{count}"
if new_slug not in used_slugs:
return new_slug
count = count + 1
def generate_slug(title: str, doctype: str):
result = frappe.get_all(doctype, fields=["name"])
slugs = {row["name"] for row in result}
return slugify(title, used_slugs=slugs)
def get_membership(course: str, member: str = None):
if not member:
member = frappe.session.user
filters = {"member": member, "course": course}
if frappe.db.exists("LMS Enrollment", filters):
membership = frappe.db.get_value(
"LMS Enrollment",
filters,
[
"name",
"current_lesson",
"progress",
"member",
"course",
"purchased_certificate",
"certificate",
],
as_dict=True,
)
return membership
return False
def get_chapters(course: str):
"""Returns all chapters of this course."""
if not course:
return []
chapters = frappe.get_all("Chapter Reference", {"parent": course}, ["idx", "chapter"], order_by="idx")
for chapter in chapters:
chapter_details = frappe.db.get_value(
"Course Chapter",
{"name": chapter.chapter},
["name", "title"],
as_dict=True,
)
chapter.update(chapter_details)
return chapters
def get_lessons(course: str, chapter: str = None, get_details: bool = True, progress: bool = False):
"""If chapter is passed, returns lessons of only that chapter.
Else returns lessons of all chapters of the course"""
lessons = []
lesson_count = 0
if chapter:
if get_details:
return get_lesson_details(chapter, progress=progress)
else:
return frappe.db.count("Lesson Reference", {"parent": chapter.name})
for chapter in get_chapters(course):
if get_details:
lessons += get_lesson_details(chapter, progress=progress)
else:
lesson_count += frappe.db.count("Lesson Reference", {"parent": chapter.name})
return lessons if get_details else lesson_count
def get_lesson_details(chapter: dict, progress: bool = False):
lessons = []
lesson_list = frappe.get_all(
"Lesson Reference", {"parent": chapter.name}, ["lesson", "idx"], order_by="idx"
)
for row in lesson_list:
lesson_details = frappe.db.get_value(
"Course Lesson",
row.lesson,
[
"name",
"title",
"include_in_preview",
"body",
"creation",
"youtube",
"quiz_id",
"question",
"file_type",
"instructor_notes",
"course",
"chapter",
"content",
],
as_dict=True,
)
lesson_details.number = f"{chapter.idx}-{row.idx}"
lesson_details.icon = get_lesson_icon(lesson_details.body, lesson_details.content)
if progress:
lesson_details.is_complete = get_progress(lesson_details.course, lesson_details.name)
lessons.append(lesson_details)
return lessons
def get_lesson_icon(body: str, content: str):
if content:
content = json.loads(content)
for block in content.get("blocks"):
if block.get("type") == "upload" and block.get("data").get("file_type").lower() in [
"mp4",
"webm",
"ogg",
"mov",
]:
return "icon-youtube"
if block.get("type") == "embed" and block.get("data").get("service") in [
"youtube",
"vimeo",
"cloudflareStream",
"bunnyStream",
]:
return "icon-youtube"
if block.get("type") == "quiz":
return "icon-quiz"
if block.get("type") == "assignment":
return "icon-assignment"
if block.get("type") == "program":
return "icon-code"
return "icon-list"
macros = find_macros(body)
for macro in macros:
if macro[0] == "YouTubeVideo" or macro[0] == "Video":
return "icon-youtube"
elif macro[0] == "Quiz":
return "icon-quiz"
return "icon-list"
def get_instructors(doctype: str, docname: str):
instructor_details = []
instructors = frappe.get_all(
"Course Instructor",
{"parent": docname, "parenttype": doctype},
order_by="idx",
pluck="instructor",
)
for instructor in instructors:
instructor_details.append(
frappe.db.get_value(
"User",
instructor,
["name", "username", "full_name", "user_image", "first_name"],
as_dict=True,
)
)
return instructor_details
def get_average_rating(course: str):
ratings = [review.rating for review in get_reviews(course)]
if not len(ratings):
return None
return sum(ratings) / len(ratings)
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_reviews(course: str):
reviews = frappe.get_all(
"LMS Course Review",
{"course": course},
["review", "rating", "owner", "creation"],
order_by="creation desc",
)
out_of_ratings = frappe.db.get_all(
"DocField", {"parent": "LMS Course Review", "fieldtype": "Rating"}, ["options"]
)
out_of_ratings = (len(out_of_ratings) and out_of_ratings[0].options) or 5
for review in reviews:
review.rating = review.rating * out_of_ratings
review.owner_details = frappe.db.get_value(
"User", review.owner, ["username", "full_name", "user_image"], as_dict=True
)
review.creation = pretty_date(review.creation)
return reviews
def get_lesson_index(lesson_name: str) -> str:
"""Returns the {chapter_index}.{lesson_index} for the lesson."""
lesson = frappe.db.get_value("Lesson Reference", {"lesson": lesson_name}, ["idx", "parent"], as_dict=True)
if not lesson:
return "1-1"
chapter = frappe.db.get_value("Chapter Reference", {"chapter": lesson.parent}, ["idx"], as_dict=True)
if not chapter:
return "1-1"
return f"{chapter.idx}-{lesson.idx}"
def get_lesson_url(course: str, lesson_number: str):
if not lesson_number:
return
return get_lms_route(f"courses/{course}/learn/{lesson_number}")
def get_progress(course: str, lesson: str, member: str = None):
if not member:
member = frappe.session.user
return frappe.db.exists(
"LMS Course Progress",
{"course": course, "member": member, "lesson": lesson, "status": "Complete"},
["status"],
)
def get_course_progress(course: str, member: str = None):
"""Returns the course progress of the session user"""
lesson_count = get_lessons(course, get_details=False)
if not lesson_count:
return 0
completed_lessons = frappe.db.count(
"LMS Course Progress",
{"course": course, "member": member or frappe.session.user, "status": "Complete"},
)
precision = cint(frappe.db.get_default("float_precision")) or 3
return flt(((completed_lessons / lesson_count) * 100), precision)
def is_instructor(course: str) -> bool:
instructors = get_instructors("LMS Course", course)
for instructor in instructors:
if instructor.name == frappe.session.user:
return True
return False
def has_course_instructor_role(member: str = None):
return frappe.db.get_value(
"Has Role",
{"parent": member or frappe.session.user, "role": "Course Creator"},
"name",
)
def has_moderator_role(member: str = None):
return frappe.db.get_value(
"Has Role",
{"parent": member or frappe.session.user, "role": "Moderator"},
"name",
)
def has_evaluator_role(member: str = None):
return frappe.db.get_value(
"Has Role",
{"parent": member or frappe.session.user, "role": "Batch Evaluator"},
"name",
)
def has_student_role(member: str = None):
return frappe.db.get_value(
"Has Role",
{"parent": member or frappe.session.user, "role": "LMS Student"},
"name",
)
def get_courses_under_review():
return frappe.get_all(
"LMS Course",
{"status": "Under Review"},
[
"name",
"upcoming",
"title",
"short_introduction",
"image",
"paid_course",
"course_price",
"currency",
"status",
"published",
],
)
def validate_image(path: str) -> str:
if path and "/private" in path:
frappe.db.set_value(
"File",
{"file_url": path},
"is_private",
0,
)
return path.replace("/private", "")
return path
def handle_notifications(doc: Document, method: str):
topic = frappe.db.get_value(
"Discussion Topic",
doc.topic,
["reference_doctype", "reference_docname", "owner", "title"],
as_dict=1,
)
if topic.reference_doctype not in ["Course Lesson", "LMS Batch"]:
return
create_notification_log(doc, topic)
notify_mentions_on_portal(doc, topic)
notify_mentions_via_email(doc, topic)
def get_course_details_for_notification(topic: dict):
users = []
course = frappe.db.get_value("Course Lesson", topic.reference_docname, "course")
course_title = frappe.db.get_value("LMS Course", course, "title")
instructors = frappe.db.get_all(
"Course Instructor", {"parent": course, "parenttype": "LMS Course"}, pluck="instructor"
)
users.append(topic.owner)
users += instructors
subject = _("New reply on the topic {0} in course {1}").format(topic.title, course_title)
link = get_lesson_url(course, get_lesson_index(topic.reference_docname))
return subject, link, users
def get_batch_details_for_notification(topic: dict):
users = []
batch_title = frappe.db.get_value("LMS Batch", topic.reference_docname, "title")
subject = _("New comment in batch {0}").format(batch_title)
link = get_lms_route(f"batches/{topic.reference_docname}#discussions")
instructors = frappe.db.get_all(
"Course Instructor",
{"parenttype": "LMS Batch", "parent": topic.reference_docname},
pluck="instructor",
)
students = frappe.db.get_all("LMS Batch Enrollment", {"batch": topic.reference_docname}, pluck="member")
users += instructors
users += students
return subject, link, users
def create_notification_log(doc: Document, topic: dict):
if topic.reference_doctype == "Course Lesson":
subject, link, users = get_course_details_for_notification(topic)
else:
subject, link, users = get_batch_details_for_notification(topic)
if doc.owner in users:
users.remove(doc.owner)
notification = frappe._dict(
{
"subject": subject,
"email_content": doc.reply,
"document_type": topic.reference_doctype,
"document_name": topic.reference_docname,
"from_user": doc.owner,
"type": "Alert",
"link": link,
}
)
make_notification_logs(notification, users)
def notify_mentions_on_portal(doc: Document, topic: dict):
mentions = extract_mentions(doc.reply)
if not mentions:
return
from_user_name = get_fullname(doc.owner)
if topic.reference_doctype == "Course Lesson":
course = frappe.db.get_value("Course Lesson", topic.reference_docname, "course")
subject = _("{0} mentioned you in a comment in {1}").format(
frappe.bold(from_user_name), frappe.bold(topic.title)
)
link = get_lesson_url(course, get_lesson_index(topic.reference_docname))
else:
batch_title = frappe.db.get_value("LMS Batch", topic.reference_docname, "title")
subject = _("{0} mentioned you in a comment in {1}").format(
frappe.bold(from_user_name), frappe.bold(batch_title)
)
link = get_lms_route(f"batches/{topic.reference_docname}#discussions")
for user in mentions:
notification = frappe._dict(
{
"subject": subject,
"email_content": doc.reply,
"document_type": topic.reference_doctype,
"document_name": topic.reference_docname,
"for_user": user,
"from_user": doc.owner,
"type": "Mention",
"link": link,
}
)
make_notification_logs(notification, user)
def notify_mentions_via_email(doc: Document, topic: dict):
outgoing_email_account = frappe.get_cached_value(
"Email Account", {"default_outgoing": 1, "enable_outgoing": 1}, "name"
)
if not outgoing_email_account or not frappe.conf.get("mail_login"):
return
mentions = extract_mentions(doc.reply)
if not mentions:
return
sender_fullname = get_fullname(doc.owner)
recipients = [
frappe.db.get_value(
"User",
{"enabled": 1, "name": name},
"email",
)
for name in mentions
]
subject = _("{0} mentioned you in a comment").format(sender_fullname)
template = "mention_template"
if topic.reference_doctype == "LMS Batch":
link = f"/batches/{topic.reference_docname}#discussions"
if topic.reference_doctype == "Course Lesson":
course = frappe.db.get_value("Course Lesson", topic.reference_docname, "course")
lesson_index = get_lesson_index(topic.reference_docname)
link = get_lesson_url(course, lesson_index)
args = {
"sender": sender_fullname,
"content": doc.reply,
"link": link,
}
for recipient in recipients:
frappe.sendmail(
recipients=recipient,
subject=subject,
template=template,
args=args,
header=[subject, "green"],
retry=3,
)
def get_lesson_count(course: str) -> int:
lesson_count = 0
chapters = frappe.get_all("Chapter Reference", {"parent": course}, ["chapter"])
for chapter in chapters:
lesson_count += frappe.db.count("Lesson Reference", {"parent": chapter.chapter})
return lesson_count
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_chart_data(
chart_name: str,
timegrain: str = "Daily",
from_date: str = None,
to_date: str = None,
):
from_date, to_date = get_chart_date_range(from_date, to_date)
chart = frappe.get_doc("Dashboard Chart", chart_name)
doctype = chart.document_type
datefield = chart.based_on
value_field = chart.value_based_on or "1"
data = get_chart_details(doctype, datefield, value_field, chart, from_date, to_date)
result = get_result(data, timegrain, from_date, to_date, chart.chart_type)
data = []
for row in result:
data.append(
{
"date": row[0],
"count": row[1],
}
)
return data
def get_chart_date_range(from_date: str, to_date: str):
if not from_date:
from_date = add_months(getdate(), -1)
if not to_date:
to_date = getdate()
from_date = get_datetime(from_date).strftime("%Y-%m-%d")
to_date = get_datetime(to_date)
return from_date, to_date
def get_chart_filters(doctype: str, chart: object, datefield: str, from_date: str, to_date: str):
version = get_frappe_version()
if version.startswith("15.") or version.startswith("14."):
filters = [([chart.document_type, "docstatus", "<", 2, False])]
filters = filters + json.loads(chart.filters_json)
filters.append([doctype, datefield, ">=", from_date, False])
filters.append([doctype, datefield, "<=", to_date, False])
else:
filters = [([chart.document_type, "docstatus", "<", 2])]
filters = filters + json.loads(chart.filters_json)
filters.append([doctype, datefield, ">=", from_date])
filters.append([doctype, datefield, "<=", to_date])
return filters
def get_chart_details(
doctype: str, datefield: str, value_field: str, chart: object, from_date: str, to_date: str
):
filters = get_chart_filters(doctype, chart, datefield, from_date, to_date)
version = get_frappe_version()
if version.startswith("15.") or version.startswith("14."):
return frappe.db.get_all(
doctype,
fields=[f"{datefield} as _unit", f"SUM({value_field})", "COUNT(*)"],
filters=filters,
group_by="_unit",
order_by="_unit asc",
as_list=True,
)
else:
return frappe.db.get_all(
doctype,
fields=[datefield, {"SUM": value_field}, {"COUNT": "*"}],
filters=filters,
group_by=datefield,
order_by=datefield,
as_list=True,
)
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_course_completion_data():
all_membership = frappe.db.count("LMS Enrollment")
completed = frappe.db.count("LMS Enrollment", {"progress": ["like", "%100%"]})
return [
{"label": "Completed", "value": completed},
{"label": "In Progress", "value": all_membership - completed},
]
def get_evaluator(course: str, batch: str = None):
evaluator = None
if batch:
evaluator = frappe.db.get_value(
"Batch Course",
{"parent": batch, "course": course},
"evaluator",
)
else:
evaluator = frappe.db.get_value("LMS Course", course, "evaluator")
return evaluator
def check_multicurrency(amount: float, currency: str, country: str = None, amount_usd: float = None):
settings = frappe.get_single("LMS Settings")
show_usd_equivalent = settings.show_usd_equivalent
# Countries for which currency should not be converted
exception_country = settings.exception_country
exception_country = [country.country for country in exception_country]
# Get users country
if not country:
country = frappe.db.get_value("Address", {"email_id": frappe.session.user}, "country")
if not country:
country = frappe.db.get_value("User", frappe.session.user, "country")
if not country:
country = get_country_code()
# If the country is the one for which conversion is not needed then return as is
if not country or (exception_country and country in exception_country):
return amount, currency
# If conversion is disabled from settings or the currency is already USD then return as is
if not show_usd_equivalent or currency == "USD":
return amount, currency
# If Explicit USD price is given then return that without conversion
if amount_usd and country and country not in exception_country:
return amount_usd, "USD"
# Conversion logic starts here. Exchange rate is fetched and amount is converted.
exchange_rate = get_current_exchange_rate(currency, "USD")
amount = flt(amount * exchange_rate, 2)
currency = "USD"
# Check if the amount should be rounded and then apply rounding
apply_rounding = settings.apply_rounding
if apply_rounding and amount % 100 != 0:
amount = amount + 100 - amount % 100
return rounded(amount), currency
def apply_gst(amount: float, country: str = None) -> tuple:
gst_applied = 0
apply_gst = frappe.db.get_single_value("LMS Settings", "apply_gst")
if not country:
country = frappe.db.get_value("User", frappe.session.user, "country")
if apply_gst and country == "India":
gst_applied = amount * 0.18
amount += gst_applied
return amount, gst_applied
def get_current_exchange_rate(source: str, target: str = "USD") -> float:
url = f"https://api.frankfurter.app/latest?from={source}&to={target}"
response = requests.request("GET", url)
details = response.json()
return details["rates"][target]
def guest_access_allowed():
allow_guest_access = frappe.get_cached_value("LMS Settings", None, "allow_guest_access")
if frappe.session.user == "Guest" and not allow_guest_access:
return False
return True
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_courses(filters: dict = None, start: int = 0) -> list:
"""Returns the list of courses."""
if not guest_access_allowed():
return []
if not filters:
filters = {}
filters, or_filters, show_featured = update_course_filters(filters)
fields = get_course_fields()
courses = frappe.get_all(
"LMS Course",
filters=filters,
fields=fields,
or_filters=or_filters,
order_by="enrollments desc",
start=start,
page_length=30,
)
if show_featured:
courses = get_featured_courses(filters, or_filters, fields) + courses
courses = get_enrollment_details(courses)
courses = get_course_card_details(courses)
return courses
def get_course_card_details(courses: list) -> list:
for course in courses:
course.instructors = get_instructors("LMS Course", course.name)
if course.paid_course and course.published == 1:
course.amount, course.currency = check_multicurrency(
course.course_price, course.currency, None, course.amount_usd
)
course.price = fmt_money(course.amount, 0, course.currency)
return courses
def get_course_or_filters(filters: dict) -> dict:
or_filters = {}
or_filters.update({"title": filters.get("title")})
or_filters.update({"short_introduction": filters.get("title")})
or_filters.update({"description": filters.get("title")})
or_filters.update({"tags": filters.get("title")})
return or_filters
def update_course_filters(filters: dict) -> tuple:
or_filters = {}
show_featured = False
if filters.get("title"):
or_filters = get_course_or_filters(filters)
del filters["title"]
if filters.get("enrolled"):
enrolled_courses = frappe.get_all("LMS Enrollment", {"member": frappe.session.user}, pluck="course")
filters.update({"name": ["in", enrolled_courses]})
del filters["enrolled"]
if filters.get("created"):
created_courses = frappe.get_all(
"Course Instructor", {"instructor": frappe.session.user}, pluck="parent"
)
filters.update({"name": ["in", created_courses]})
del filters["created"]
if filters.get("live"):
filters.update({"featured": 0})
show_featured = True
del filters["live"]
if filters.get("certification"):
or_filters.update({"enable_certification": 1})
or_filters.update({"paid_certificate": 1})
del filters["certification"]
return filters, or_filters, show_featured
def get_enrollment_details(courses: list) -> list:
for course in courses:
filters = {
"course": course.name,
"member": frappe.session.user,
}
if frappe.db.exists("LMS Enrollment", filters):
course.membership = frappe.db.get_value(
"LMS Enrollment",
filters,
["name", "course", "current_lesson", "progress", "member"],
as_dict=1,
)
return courses
def get_featured_courses(filters: dict, or_filters: dict, fields: list) -> list:
filters.update({"featured": 1})
featured_courses = frappe.get_all(
"LMS Course",
filters=filters,
fields=fields,
or_filters=or_filters,
order_by="enrollments desc",
)
return featured_courses
def get_course_fields():
return [
"name",
"title",
"tags",
"image",
"video_link",
"card_gradient",
"short_introduction",
"description",
"published",
"upcoming",
"featured",
"disable_self_learning",
"published_on",
"category",
"status",
"paid_course",
"paid_certificate",
"course_price",
"currency",
"amount_usd",
"enable_certification",
"lessons",
"enrollments",
"rating",
]
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_course_details(course: str):
if not guest_access_allowed():
return {}
is_course_published = frappe.db.get_value("LMS Course", course, "published")
membership = get_membership(course)
if not is_course_published and not can_modify_course(course) and not membership:
return {}
fields = get_course_fields()
course_details = frappe.db.get_value(
"LMS Course",
course,
fields,
as_dict=1,
)
course_details.instructors = get_instructors("LMS Course", course_details.name)
course_details.membership = membership
# course_details.is_instructor = is_instructor(course_details.name)
if course_details.paid_course or course_details.paid_certificate:
"""course_details.course_price, course_details.currency = check_multicurrency(
course_details.course_price, course_details.currency, None, course_details.amount_usd
)"""
course_details.price = fmt_money(course_details.course_price, 0, course_details.currency)
if frappe.session.user == "Guest":
course_details.is_instructor = False
if course_details.membership and course_details.membership.current_lesson:
course_details.current_lesson = get_lesson_index(course_details.membership.current_lesson)
return course_details
def get_categorized_courses(courses: list) -> dict:
live, upcoming, new, enrolled, created, under_review = [], [], [], [], [], []
for course in courses:
if course.status == "Under Review":
under_review.append(course)
elif course.published and course.upcoming:
upcoming.append(course)
elif course.published:
live.append(course)
if course.published and not course.upcoming and course.published_on > add_months(getdate(), -3):
new.append(course)
if course.membership:
enrolled.append(course)
elif course.is_instructor:
created.append(course)
categories = [live, enrolled, created]
for category in categories:
category.sort(key=lambda x: cint(x.enrollments), reverse=True)
live.sort(key=lambda x: x.featured, reverse=True)
return {
"live": live,
"new": new,
"upcoming": upcoming,
"enrolled": enrolled,
"created": created,
"under_review": under_review,
}
@frappe.whitelist(allow_guest=True)
def get_course_outline(course: str, progress: bool = False) -> list:
"""Returns the course outline."""
if not guest_access_allowed():
return []
outline = []
chapters = frappe.get_all("Chapter Reference", {"parent": course}, ["chapter", "idx"], order_by="idx")
for chapter in chapters:
chapter_details = frappe.db.get_value(
"Course Chapter",
chapter.chapter,
["name", "title", "is_scorm_package", "launch_file", "scorm_package"],
as_dict=True,
)
chapter_details["idx"] = chapter.idx
chapter_details.lessons = get_lessons(course, chapter_details, progress=progress)
if chapter_details.is_scorm_package:
chapter_details.scorm_package = frappe.db.get_value(
"File",
chapter_details.scorm_package,
["file_name", "file_size", "file_url"],
as_dict=1,
)
outline.append(chapter_details)
return outline
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_lesson(course: str, chapter: int, lesson: int) -> dict:
if not guest_access_allowed():
return {}
chapter_name = frappe.db.get_value("Chapter Reference", {"parent": course, "idx": chapter}, "chapter")
lesson_name = frappe.db.get_value("Lesson Reference", {"parent": chapter_name, "idx": lesson}, "lesson")
lesson_details = frappe.db.get_value(
"Course Lesson",
lesson_name,
["include_in_preview", "title", "is_scorm_package"],
as_dict=1,
)
if not lesson_details:
return {}
if lesson_details.is_scorm_package:
return {
"is_scorm_package": True,
"chapter_name": chapter_name,
}
membership = get_membership(course)
course_info = frappe.db.get_value(
"LMS Course",
course,
["title", "paid_certificate", "disable_self_learning"],
as_dict=1,
)
if not lesson_details.include_in_preview and not membership and not can_modify_course(course):
return {
"no_preview": 1,
"title": lesson_details.title,
"course_title": course_info.title,
"disable_self_learning": course_info.disable_self_learning,
}
lesson_details = frappe.db.get_value(
"Course Lesson",
lesson_name,
[
"name",
"title",
"include_in_preview",
"body",
"creation",
"youtube",
"quiz_id",
"question",
"file_type",
"instructor_notes",
"course",
"content",
"instructor_content",
],
as_dict=True,
)
if frappe.session.user == "Guest":
progress = 0
else:
progress = get_progress(course, lesson_details.name)
lesson_details.chapter_title = frappe.db.get_value("Course Chapter", chapter_name, "title")
neighbours = get_neighbour_lesson(course, chapter, lesson)
lesson_details.next = neighbours["next"]
lesson_details.progress = progress
lesson_details.prev = neighbours["prev"]
lesson_details.membership = membership
lesson_details.icon = get_lesson_icon(lesson_details.body, lesson_details.content)
lesson_details.instructors = get_instructors("LMS Course", course)
lesson_details.course_title = course_info.title
lesson_details.paid_certificate = course_info.paid_certificate
lesson_details.disable_self_learning = course_info.disable_self_learning
lesson_details.videos = get_video_details(lesson_name)
return lesson_details
def get_video_details(lesson_name: str) -> list:
return frappe.get_all(
"LMS Video Watch Duration",
{"lesson": lesson_name, "member": frappe.session.user},
["source", "watch_time"],
)
def get_neighbour_lesson(course: str, chapter: int, lesson: int) -> dict:
numbers = []
current = f"{chapter}.{lesson}"
chapters = frappe.get_all("Chapter Reference", {"parent": course}, ["idx", "chapter"])
for chapter in chapters:
lessons = frappe.get_all("Lesson Reference", {"parent": chapter.chapter}, pluck="idx")
for lesson in lessons:
numbers.append(f"{chapter.idx}.{lesson}")
tuples_list = [tuple(int(x) for x in s.split(".")) for s in numbers]
sorted_tuples = sorted(tuples_list)
sorted_numbers = [".".join(str(num) for num in t) for t in sorted_tuples]
index = sorted_numbers.index(current)
return {
"prev": sorted_numbers[index - 1] if index - 1 >= 0 else None,
"next": sorted_numbers[index + 1] if index + 1 < len(sorted_numbers) else None,
}
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_batch_details(batch: str):
if not guest_access_allowed():
return {}
batch_students = frappe.get_all("LMS Batch Enrollment", {"batch": batch}, pluck="member")
is_batch_admin = can_modify_batch(batch)
is_batch_published = frappe.db.get_value("LMS Batch", batch, "published")
is_student_enrolled = frappe.session.user in batch_students
if not (is_batch_published or is_batch_admin or is_student_enrolled):
return {}
batch_details = frappe.db.get_value(
"LMS Batch",
batch,
[
"name",
"title",
"description",
"batch_details",
"batch_details_raw",
"start_date",
"end_date",
"start_time",
"end_time",
"seat_count",
"published",
"amount",
"amount_usd",
"currency",
"paid_batch",
"evaluation_end_date",
"allow_self_enrollment",
"certification",
"evaluation",
"timezone",
"category",
"zoom_account",
],
as_dict=True,
)
batch_details.instructors = get_instructors("LMS Batch", batch)
batch_details.accept_enrollments = batch_details.start_date > getdate()
if (
not batch_details.accept_enrollments
and batch_details.start_date == getdate()
and get_time_str(batch_details.start_time) > nowtime()
):
batch_details.accept_enrollments = True
batch_details.courses = frappe.get_all(
"Batch Course", filters={"parent": batch}, fields=["course", "title", "evaluator"]
)
batch_details.assessments = frappe.get_all(
"LMS Assessment", {"parent": batch}, ["assessment_name", "assessment_type"]
)
if can_modify_batch(batch):
batch_details.students = batch_students
elif is_student_enrolled:
batch_details.students = [frappe.session.user]
if batch_details.paid_batch and batch_details.start_date >= getdate():
batch_details.amount, batch_details.currency = check_multicurrency(
batch_details.amount, batch_details.currency, None, batch_details.amount_usd
)
batch_details.price = fmt_money(batch_details.amount, 0, batch_details.currency)
if batch_details.seat_count:
batch_details.seats_left = batch_details.seat_count - len(batch_students)
return batch_details
def categorize_batches(batches: list) -> dict:
upcoming, archived, private, enrolled = [], [], [], []
for batch in batches:
if not batch.published:
private.append(batch)
elif getdate(batch.start_date) < getdate():
archived.append(batch)
elif getdate(batch.start_date) == getdate() and get_time_str(batch.start_time) < nowtime():
archived.append(batch)
else:
upcoming.append(batch)
if frappe.session.user != "Guest":
if frappe.db.exists("LMS Batch Enrollment", {"member": frappe.session.user, "batch": batch.name}):
enrolled.append(batch)
categories = [archived, private, enrolled]
for category in categories:
category.sort(key=lambda x: x.start_date, reverse=True)
upcoming.sort(key=lambda x: x.start_date)
return {
"upcoming": upcoming,
"archived": archived,
"private": private,
"enrolled": enrolled,
}
def get_country_code():
ip = frappe.local.request_ip
res = requests.get(f"http://ip-api.com/json/{ip}")
try:
data = res.json()
if data.get("status") != "fail":
return frappe.db.get_value("Country", {"code": data.get("countryCode")}, "name")
except Exception:
pass
return
@frappe.whitelist()
def get_question_details(question: str) -> dict:
if not has_lms_role():
frappe.throw(_("You are not authorized to view the question details."))
fields = ["question", "type", "multiple"]
for i in range(1, 5):
fields.append(f"option_{i}")
fields.append(f"explanation_{i}")
question_details = frappe.db.get_value("LMS Question", question, fields, as_dict=1)
return question_details
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_batch_courses(batch: str) -> list:
if not guest_access_allowed():
return []
courses = []
course_list = frappe.get_all("Batch Course", {"parent": batch}, ["name", "course"])
for course in course_list:
details = get_course_details(course.course)
if details.get("name"):
details.batch_course = course.name
courses.append(details)
return courses
@frappe.whitelist()
def get_assessments(batch: str) -> list:
member = frappe.session.user
is_enrolled = frappe.db.exists("LMS Batch Enrollment", {"batch": batch, "member": member})
if not is_enrolled and not can_modify_batch(batch):
frappe.throw(_("You are not authorized to view the assessments of this batch."))
assessments = frappe.get_all(
"LMS Assessment",
{"parent": batch},
["name", "assessment_type", "assessment_name"],
order_by="idx",
)
for assessment in assessments:
if assessment.assessment_type == "LMS Assignment":
assessment = get_assignment_details(assessment, member)
elif assessment.assessment_type == "LMS Quiz":
assessment = get_quiz_details(assessment, member)
elif assessment.assessment_type == "LMS Programming Exercise":
assessment = get_exercise_details(assessment, member)
return assessments
def get_assignment_details(assessment: dict, member: str) -> dict:
assessment.title = frappe.db.get_value("LMS Assignment", assessment.assessment_name, "title")
existing_submission = frappe.db.exists(
{
"doctype": "LMS Assignment Submission",
"member": member,
"assignment": assessment.assessment_name,
}
)
assessment.completed = False
if existing_submission:
assessment.submission = frappe.db.get_value(
"LMS Assignment Submission",
existing_submission,
["name", "status", "comments"],
as_dict=True,
)
assessment.completed = True
assessment.status = assessment.submission.status
else:
assessment.status = "Not Attempted"
assessment.color = "red"
assessment.edit_url = f"/assignments/{assessment.assessment_name}"
submission_name = existing_submission if existing_submission else "new-submission"
assessment.url = get_lms_route(f"assignment-submission/{assessment.assessment_name}/{submission_name}")
return assessment
def get_quiz_details(assessment: dict, member: str) -> dict:
assessment_details = frappe.db.get_value(
"LMS Quiz", assessment.assessment_name, ["title", "passing_percentage"], as_dict=1
)
assessment.title = assessment_details.title
existing_submission = frappe.get_all(
"LMS Quiz Submission",
{
"member": member,
"quiz": assessment.assessment_name,
},
["name", "score", "percentage"],
order_by="percentage desc",
)
if len(existing_submission):
assessment.submission = existing_submission[0]
assessment.completed = True
assessment.status = assessment.submission.percentage or assessment.submission.score
else:
assessment.status = "Not Attempted"
assessment.color = "red"
assessment.completed = False
assessment.edit_url = f"/quizzes/{assessment.assessment_name}"
submission_name = existing_submission[0].name if len(existing_submission) else "new-submission"
assessment.url = f"/quiz-submission/{assessment.assessment_name}/{submission_name}"
return assessment
def get_exercise_details(assessment: dict, member: str) -> dict:
assessment.title = frappe.db.get_value("LMS Programming Exercise", assessment.assessment_name, "title")
filters = {"member": member, "exercise": assessment.assessment_name}
if frappe.db.exists("LMS Programming Exercise Submission", filters):
assessment.submission = frappe.db.get_value(
"LMS Programming Exercise Submission",
filters,
["name", "status"],
as_dict=True,
)
assessment.completed = True
assessment.status = assessment.submission.status
assessment.edit_url = (
f"/exercises/{assessment.assessment_name}/submission/{assessment.submission.name}"
)
else:
assessment.status = "Not Attempted"
assessment.color = "red"
assessment.completed = False
assessment.edit_url = f"/exercises/{assessment.assessment_name}/submission/new"
@frappe.whitelist()
def get_batch_student_progress(member: str, batch: str) -> dict:
if not can_modify_batch(batch):
frappe.throw(_("You are not authorized to view the students of this batch."))
details = get_batch_student_details(member)
calculate_student_progress(batch, details)
return details
def get_course_completion_stats(batch: str) -> list:
"""Get completion counts per course in batch"""
BatchCourse = frappe.qb.DocType("Batch Course")
BatchEnrollment = frappe.qb.DocType("LMS Batch Enrollment")
Enrollment = frappe.qb.DocType("LMS Enrollment")
rows = (
frappe.qb.from_(BatchCourse)
.left_join(BatchEnrollment)
.on(BatchEnrollment.batch == BatchCourse.parent)
.left_join(Enrollment)
.on((Enrollment.course == BatchCourse.course) & (Enrollment.member == BatchEnrollment.member))
.where(BatchCourse.parent == batch)
.groupby(BatchCourse.course, BatchCourse.title)
.select(
BatchCourse.title,
fn.Count(Case().when(Enrollment.progress == 100, Enrollment.member)).distinct().as_("completed"),
)
).run(as_dict=True)
return [{"task": row.title, "value": row.completed or 0} for row in rows]
def get_assignment_pass_stats(batch: str) -> list:
"""Get pass counts per assignment in batch"""
Assessment = frappe.qb.DocType("LMS Assessment")
Assignment = frappe.qb.DocType("LMS Assignment")
BatchEnrollment = frappe.qb.DocType("LMS Batch Enrollment")
Submission = frappe.qb.DocType("LMS Assignment Submission")
rows = (
frappe.qb.from_(Assessment)
.join(Assignment)
.on(Assignment.name == Assessment.assessment_name)
.left_join(BatchEnrollment)
.on(BatchEnrollment.batch == Assessment.parent)
.left_join(Submission)
.on(
(Submission.assignment == Assessment.assessment_name)
& (Submission.member == BatchEnrollment.member)
)
.where((Assessment.parent == batch) & (Assessment.assessment_type == "LMS Assignment"))
.groupby(Assessment.assessment_name, Assignment.title)
.select(
Assignment.title,
fn.Count(Case().when(Submission.status == "Pass", Submission.member)).distinct().as_("passed"),
)
).run(as_dict=True)
return [{"task": row.title, "value": row.passed or 0} for row in rows]
def get_quiz_pass_stats(batch: str) -> list:
"""Get pass counts per quiz in batch"""
Assessment = frappe.qb.DocType("LMS Assessment")
Quiz = frappe.qb.DocType("LMS Quiz")
BatchEnrollment = frappe.qb.DocType("LMS Batch Enrollment")
Submission = frappe.qb.DocType("LMS Quiz Submission")
rows = (
frappe.qb.from_(Assessment)
.join(Quiz)
.on(Quiz.name == Assessment.assessment_name)
.left_join(BatchEnrollment)
.on(BatchEnrollment.batch == Assessment.parent)
.left_join(Submission)
.on((Submission.quiz == Assessment.assessment_name) & (Submission.member == BatchEnrollment.member))
.where((Assessment.parent == batch) & (Assessment.assessment_type == "LMS Quiz"))
.groupby(Assessment.assessment_name, Quiz.title)
.select(
Quiz.title,
fn.Count(Case().when(Submission.percentage >= Submission.passing_percentage, Submission.member))
.distinct()
.as_("passed"),
)
).run(as_dict=True)
return [{"task": row.title, "value": row.passed or 0} for row in rows]
@frappe.whitelist()
def get_batch_chart_data(batch: str) -> list:
"""Get completion counts per course and assessment"""
if not can_modify_batch(batch):
frappe.throw(_("You are not authorized to view the chart data of this batch."))
if not frappe.db.exists("LMS Batch", batch):
frappe.throw(_("The specified batch does not exist."))
return get_course_completion_stats(batch) + get_assignment_pass_stats(batch) + get_quiz_pass_stats(batch)
def get_batch_student_details(student: str) -> dict:
details = frappe.db.get_value(
"User",
student,
["full_name", "email", "username", "last_active", "user_image", "name"],
as_dict=True,
)
details.last_active = format_datetime(details.last_active, "dd MMM YY")
return details
def calculate_student_progress(batch: str, details: dict):
batch_courses = frappe.get_all("Batch Course", {"parent": batch}, ["course", "title"])
assessments = frappe.get_all(
"LMS Assessment",
filters={"parent": batch},
fields=["name", "assessment_type", "assessment_name"],
)
calculate_course_progress(batch_courses, details)
calculate_assessment_progress(assessments, details)
if len(batch_courses) + len(assessments):
details.progress = flt(
(
(details.average_course_progress * len(batch_courses))
+ (details.average_assessments_progress * len(assessments))
)
/ (len(batch_courses) + len(assessments)),
2,
)
else:
details.progress = 0
def calculate_course_progress(batch_courses: list, details: dict):
course_progress = []
details.courses = []
for course in batch_courses:
progress = (
frappe.db.get_value(
"LMS Enrollment", {"course": course.course, "member": details.email}, "progress"
)
or 0
)
details.courses.append({"course": course.course, "title": course.title, "progress": progress})
course_progress.append(progress)
details.average_course_progress = (
flt(sum(course_progress) / len(batch_courses), 2) if len(batch_courses) else 0
)
def calculate_assessment_progress(assessments: list, details: dict):
assessments_completed = 0
details.assessments = []
for assessment in assessments:
title = frappe.db.get_value(assessment.assessment_type, assessment.assessment_name, "title")
assessment_info = has_submitted_assessment(
assessment.assessment_name, assessment.assessment_type, details.email
)
assessment_info.title = title
details.assessments.append(assessment_info)
if assessment_info.result == "Pass":
assessments_completed += 1
details.average_assessments_progress = (
flt((assessments_completed / len(assessments) * 100), 2) if len(assessments) else 0
)
def has_submitted_assessment(assessment: str, assessment_type: str, member: str = None):
if not member:
member = frappe.session.user
doctype, docfield, fields, not_attempted = get_assessment_meta(assessment_type)
filters = {}
filters[docfield] = assessment
filters["member"] = member
attempt = frappe.db.exists(doctype, filters)
if attempt:
return get_assessment_attempt_details(doctype, filters, fields, assessment_type, assessment)
else:
return frappe._dict(
{
"status": not_attempted,
"result": "Failed",
}
)
def get_assessment_meta(assessment_type: str):
if assessment_type == "LMS Assignment":
doctype = "LMS Assignment Submission"
docfield = "assignment"
fields = ["status"]
not_attempted = "Not Attempted"
elif assessment_type == "LMS Quiz":
doctype = "LMS Quiz Submission"
docfield = "quiz"
fields = ["percentage"]
not_attempted = 0
elif assessment_type == "LMS Programming Exercise":
doctype = "LMS Programming Exercise Submission"
docfield = "exercise"
fields = ["status"]
not_attempted = "Not Attempted"
return doctype, docfield, fields, not_attempted
def get_assessment_attempt_details(
doctype: str, filters: dict, fields: list, assessment_type: str, assessment: str
):
fields.append("name")
attempt_details = frappe.db.get_value(doctype, filters, fields, as_dict=1)
if assessment_type == "LMS Quiz":
result = "Failed"
passing_percentage = frappe.db.get_value("LMS Quiz", assessment, "passing_percentage")
if attempt_details.percentage >= passing_percentage:
result = "Pass"
else:
result = attempt_details.status
return frappe._dict(
{
"status": attempt_details.percentage if assessment_type == "LMS Quiz" else attempt_details.status,
"result": result,
"assessment": assessment,
"type": assessment_type,
"submission": attempt_details.name,
}
)
def can_access_topic(doctype: str, docname: str) -> bool:
is_student = False
if doctype == "Course Lesson":
course = frappe.db.get_value("Course Lesson", docname, "course")
is_student = frappe.db.exists("LMS Enrollment", {"course": course, "member": frappe.session.user})
if not is_student and not can_modify_course(course):
return False
elif doctype == "LMS Batch":
is_student = frappe.db.exists(
"LMS Batch Enrollment", {"batch": docname, "member": frappe.session.user}
)
if not is_student and not can_modify_batch(docname):
return False
return True
@frappe.whitelist()
def get_discussion_topics(doctype: str, docname: str, single_thread: bool = False):
if not can_access_topic(doctype, docname):
frappe.throw(_("You are not authorized to view the discussion topics for this item."))
if single_thread:
filters = {
"reference_doctype": doctype,
"reference_docname": docname,
}
topic = frappe.db.exists("Discussion Topic", filters)
if topic:
return frappe.db.get_value("Discussion Topic", topic, ["name"], as_dict=1)
else:
return create_discussion_topic(doctype, docname)
topics = frappe.get_all(
"Discussion Topic",
{
"reference_doctype": doctype,
"reference_docname": docname,
},
["name", "title", "owner", "creation", "modified"],
order_by="creation desc",
)
for topic in topics:
topic.user = frappe.db.get_value("User", topic.owner, ["full_name", "user_image"], as_dict=True)
return topics
def create_discussion_topic(doctype: str, docname: str) -> str:
doc = frappe.new_doc("Discussion Topic")
doc.update(
{
"title": docname,
"reference_doctype": doctype,
"reference_docname": docname,
}
)
doc.insert()
return doc
@frappe.whitelist()
def get_discussion_replies(topic: str):
topic_details = frappe.db.get_value(
"Discussion Topic", topic, ["reference_doctype", "reference_docname"], as_dict=True
)
if not can_access_topic(topic_details.reference_doctype, topic_details.reference_docname):
frappe.throw(_("You are not authorized to view the discussion replies for this topic."))
replies = frappe.get_all(
"Discussion Reply",
{
"topic": topic,
},
["name", "owner", "creation", "modified", "reply"],
order_by="creation",
)
for reply in replies:
reply.user = frappe.db.get_value("User", reply.owner, ["full_name", "user_image"], as_dict=True)
return replies
@frappe.whitelist()
def get_order_summary(doctype: str, docname: str, coupon: str = None, country: str = None):
details = get_paid_course_details(docname) if doctype == "LMS Course" else get_paid_batch_details(docname)
details.amount, details.currency = check_multicurrency(
details.amount, details.currency, country, details.amount_usd
)
details.original_amount = details.amount
details.original_amount_formatted = fmt_money(details.amount, 0, details.currency)
adjust_amount_for_coupon(details, coupon, doctype, docname)
get_gst_details(details, country)
details.total_amount = details.amount
details.total_amount_formatted = fmt_money(details.amount, 0, details.currency)
return details
def get_paid_course_details(docname: str) -> dict:
details = frappe.db.get_value(
"LMS Course",
docname,
[
"title",
"name",
"paid_course",
"paid_certificate",
"course_price as amount",
"currency",
"amount_usd",
],
as_dict=True,
)
if not details.paid_course and not details.paid_certificate:
raise frappe.throw(_("This course is free."))
return details
def get_paid_batch_details(docname: str) -> dict:
details = frappe.db.get_value(
"LMS Batch",
docname,
["title", "name", "paid_batch", "amount", "currency", "amount_usd"],
as_dict=True,
)
if not details.paid_batch:
raise frappe.throw(_("To join this batch, please contact the Administrator."))
return details
def adjust_amount_for_coupon(details: dict, coupon: str, doctype: str, docname: str):
if not coupon:
return
discount_amount, subtotal, coupon_name = apply_coupon(doctype, docname, coupon, details.amount)
details.amount = subtotal
details.discount_amount = discount_amount
details.discount_amount_formatted = fmt_money(discount_amount, 0, details.currency)
details.coupon = coupon_name
def get_gst_details(details: dict, country: str):
if details.currency != "INR":
return
details.amount, details.gst_applied = apply_gst(details.amount, country)
details.gst_amount_formatted = fmt_money(details.gst_applied, 0, details.currency)
def apply_coupon(doctype: str, docname: str, code: str, base_amount: float):
coupon_name = frappe.db.exists("LMS Coupon", {"code": code, "enabled": 1})
if not coupon_name:
frappe.throw(_("The coupon code '{0}' is invalid.").format(code))
coupon = frappe.db.get_value(
"LMS Coupon",
coupon_name,
[
"expires_on",
"usage_limit",
"redemption_count",
"discount_type",
"percentage_discount",
"fixed_amount_discount",
"name",
"code",
],
as_dict=True,
)
validate_coupon(code, coupon)
validate_coupon_applicability(doctype, docname, coupon_name)
discount_amount = calculate_discount_amount(base_amount, coupon)
subtotal = max(flt(base_amount) - flt(discount_amount), 0)
return discount_amount, subtotal, coupon_name
def validate_coupon(code: str, coupon: dict):
if coupon.expires_on and getdate(coupon.expires_on) < getdate():
frappe.throw(_("This coupon has expired."))
if coupon.usage_limit and cint(coupon.redemption_count) >= cint(coupon.usage_limit):
frappe.throw(_("This coupon has reached its maximum usage limit."))
def validate_coupon_applicability(doctype: str, docname: str, coupon_name: str):
applicable_item = frappe.db.exists(
"LMS Coupon Item", {"parent": coupon_name, "reference_doctype": doctype, "reference_name": docname}
)
if not applicable_item:
frappe.throw(
_("This coupon is not applicable to this {0}.").format(
"Course" if doctype == "LMS Course" else "Batch"
)
)
def calculate_discount_amount(base_amount: float, coupon: dict) -> float:
discount_amount = 0
if coupon.discount_type == "Percentage":
discount_amount = (base_amount * coupon.percentage_discount) / 100
elif coupon.discount_type == "Fixed Amount":
discount_amount = base_amount - coupon.fixed_amount_discount
return discount_amount
@frappe.whitelist()
def get_lesson_creation_details(course: str, chapter: int, lesson: int) -> dict:
frappe.only_for(["Moderator", "Course Creator"])
chapter_name = frappe.db.get_value("Chapter Reference", {"parent": course, "idx": chapter}, "chapter")
lesson_name = frappe.db.get_value("Lesson Reference", {"parent": chapter_name, "idx": lesson}, "lesson")
if lesson_name:
lesson_details = frappe.db.get_value(
"Course Lesson",
lesson_name,
[
"name",
"title",
"include_in_preview",
"body",
"content",
"instructor_notes",
"instructor_content",
"youtube",
"quiz_id",
],
as_dict=1,
)
return {
"course_title": frappe.db.get_value("LMS Course", course, "title"),
"chapter": frappe.db.get_value("Course Chapter", chapter_name, ["title", "name"], as_dict=True),
"lesson": lesson_details if lesson_name else None,
}
@frappe.whitelist()
def get_roles(name: str) -> dict:
frappe.only_for(["Moderator", "Batch Evaluator"])
return {
"moderator": has_moderator_role(name),
"course_creator": has_course_instructor_role(name),
"batch_evaluator": has_evaluator_role(name),
"lms_student": has_student_role(name),
}
def publish_notifications(doc: Document, method: str):
frappe.publish_realtime("publish_lms_notifications", user=doc.for_user, after_commit=True)
def update_payment_record(doctype: str, docname: str):
request = get_integration_requests(doctype, docname)
if len(request):
data = request[0].data
data = frappe._dict(json.loads(data))
payment_doc = get_payment_doc(data.payment)
update_payment_details(data)
update_coupon_redemption(payment_doc)
if payment_doc.payment_for_certificate:
update_certificate_purchase(docname, data.payment)
elif doctype == "LMS Course":
enroll_in_course(docname, data.payment)
else:
enroll_in_batch(docname, data.payment)
def get_integration_requests(doctype: str, docname: str):
return frappe.get_all(
"Integration Request",
{
"reference_doctype": doctype,
"reference_docname": docname,
"owner": frappe.session.user,
},
["data"],
order_by="creation desc",
limit=1,
)
def get_payment_doc(payment_name: str) -> dict:
return frappe.db.get_value(
"LMS Payment", payment_name, ["name", "coupon", "payment_for_certificate"], as_dict=True
)
def update_payment_details(data: dict):
payment_id = get_payment_id(data)
frappe.db.set_value(
"LMS Payment",
data.payment,
{
"payment_received": 1,
"payment_id": data.get(payment_id),
"order_id": data.get("order_id"),
},
)
def get_payment_id(data: dict) -> str:
payment_gateway = data.get("payment_gateway")
if payment_gateway == "Razorpay":
payment_id = "razorpay_payment_id"
elif "Stripe" in payment_gateway:
payment_id = "stripe_token_id"
else:
payment_id = "order_id"
return payment_id
def update_coupon_redemption(payment_doc: dict):
if payment_doc.coupon:
redemption_count = frappe.db.get_value("LMS Coupon", payment_doc.coupon, "redemption_count") or 0
frappe.db.set_value(
"LMS Coupon",
payment_doc.coupon,
"redemption_count",
redemption_count + 1,
)
def enroll_in_course(course: str, payment_name: str):
if not frappe.db.exists("LMS Enrollment", {"member": frappe.session.user, "course": course}):
enrollment = frappe.new_doc("LMS Enrollment")
payment = frappe.db.get_value("LMS Payment", payment_name, ["name", "source"], as_dict=True)
enrollment.update(
{
"member": frappe.session.user,
"course": course,
"payment": payment.name,
}
)
enrollment.save(ignore_permissions=True)
@frappe.whitelist()
def enroll_in_batch(batch: str, payment_name: str = None):
if not frappe.db.exists("LMS Batch", batch):
frappe.throw(_("The specified batch does not exist."))
payment_doc = get_payment_details(payment_name)
create_enrollment(batch, payment_doc)
def get_payment_details(payment_name: str) -> dict:
payment_doc = None
if payment_name:
payment_doc = frappe.db.get_value(
"LMS Payment", payment_name, ["name", "source", "payment_received"], as_dict=True
)
return payment_doc
def create_enrollment(batch: str, payment_doc: dict = None):
new_student = frappe.new_doc("LMS Batch Enrollment")
new_student.update(
{
"member": frappe.session.user,
"batch": batch,
}
)
if payment_doc:
new_student.update(
{
"payment": payment_doc.name,
"source": payment_doc.source,
}
)
new_student.save()
def update_certificate_purchase(course: str, payment_name: str):
frappe.db.set_value(
"LMS Enrollment",
{"member": frappe.session.user, "course": course},
{
"purchased_certificate": 1,
"payment": payment_name,
},
)
@frappe.whitelist()
def get_programs():
if not guest_access_allowed():
frappe.throw(_("Please login to view programs."))
enrolled_programs = frappe.get_all(
"LMS Program Member", {"member": frappe.session.user}, ["parent as name", "progress"]
)
for program in enrolled_programs:
program.update(
frappe.db.get_value(
"LMS Program", program.name, ["name", "course_count", "member_count"], as_dict=True
)
)
published_programs = frappe.get_all(
"LMS Program",
{
"published": 1,
},
["name", "course_count", "member_count"],
)
programs_to_remove = []
for program in published_programs:
if program.name in [p.name for p in enrolled_programs]:
programs_to_remove.append(program)
published_programs = [program for program in published_programs if program not in programs_to_remove]
return {
"enrolled": enrolled_programs,
"published": published_programs,
}
@frappe.whitelist()
def get_program_details(program_name: str) -> dict:
if not guest_access_allowed():
frappe.throw(_("Please login to view program details."))
is_published = frappe.db.get_value("LMS Program", program_name, "published")
is_member = frappe.db.exists(
"LMS Program Member", {"parent": program_name, "member": frappe.session.user}
)
if not is_published and not is_member:
frappe.throw(_("You are not authorized to view the details of this program."))
program = frappe.db.get_value(
"LMS Program",
program_name,
[
"name",
"member_count",
"course_count",
"published",
"enforce_course_order",
],
as_dict=1,
)
program_courses = frappe.get_all(
"LMS Program Course", {"parent": program_name}, ["course"], order_by="idx"
)
program.courses = []
previous_progress = 0
for i, course in enumerate(program_courses):
details = get_course_details(course.course)
if i == 0:
details.eligible = True
elif previous_progress == 100:
details.eligible = True
else:
details.eligible = False
previous_progress = details.membership.progress if details.membership else 0
program.courses.append(details)
if frappe.session.user != "Guest":
program.progress = frappe.db.get_value(
"LMS Program Member",
{"parent": program_name, "member": frappe.session.user},
"progress",
)
return program
@frappe.whitelist()
def enroll_in_program(program: str):
validate_program_enrollment(program)
if not frappe.db.exists("LMS Program Member", {"parent": program, "member": frappe.session.user}):
program_member = frappe.new_doc("LMS Program Member")
program_member.update(
{
"parent": program,
"parenttype": "LMS Program",
"parentfield": "members",
"member": frappe.session.user,
}
)
program_member.save(ignore_permissions=True)
def validate_program_enrollment(program: str):
published = frappe.db.get_value("LMS Program", program, "published")
if not published:
frappe.throw(_("You cannot enroll in an unpublished program."))
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_batches(filters: dict = None, start: int = 0, order_by: str = "start_date"):
if not guest_access_allowed():
return []
if not filters:
filters = {}
if filters.get("enrolled"):
enrolled_batches = frappe.get_all(
"LMS Batch Enrollment", {"member": frappe.session.user}, pluck="batch"
)
filters.update({"name": ["in", enrolled_batches]})
del filters["enrolled"]
batches = frappe.get_all(
"LMS Batch",
filters=filters,
fields=[
"name",
"title",
"description",
"seat_count",
"paid_batch",
"amount",
"amount_usd",
"currency",
"start_date",
"end_date",
"start_time",
"end_time",
"timezone",
"published",
"category",
],
order_by=order_by,
start=start,
page_length=20,
)
batches = filter_batches_based_on_start_time(batches, filters)
batches = get_batch_card_details(batches)
return batches
def filter_batches_based_on_start_time(batches: list, filters: dict) -> list:
batchType = get_batch_type(filters)
if batchType == "upcoming":
batches_to_remove = [
batch
for batch in batches
if getdate(batch.start_date) == getdate() and get_time_str(batch.start_time) < nowtime()
]
batches = [batch for batch in batches if batch not in batches_to_remove]
elif batchType == "archived":
batches_to_remove = [
batch
for batch in batches
if getdate(batch.start_date) == getdate() and get_time_str(batch.start_time) >= nowtime()
]
batches = [batch for batch in batches if batch not in batches_to_remove]
return batches
def get_batch_type(filters: dict) -> str:
start_date_filter = filters.get("start_date")
batchType = None
if start_date_filter:
sign = start_date_filter[0]
if ">" in sign:
batchType = "upcoming"
elif "<" in sign:
batchType = "archived"
return batchType
def get_batch_card_details(batches: list) -> list:
for batch in batches:
batch.instructors = get_instructors("LMS Batch", batch.name)
students_count = frappe.db.count("LMS Batch Enrollment", {"batch": batch.name})
if batch.seat_count:
batch.seats_left = batch.seat_count - students_count
if batch.paid_batch and batch.start_date >= getdate():
batch.amount, batch.currency = check_multicurrency(
batch.amount, batch.currency, None, batch.amount_usd
)
batch.price = fmt_money(batch.amount, 0, batch.currency)
return batches
def get_palette(full_name: str) -> list:
"""
Returns a color unique to each member for Avatar"""
palette = [
["--orange-avatar-bg", "--orange-avatar-color"],
["--pink-avatar-bg", "--pink-avatar-color"],
["--blue-avatar-bg", "--blue-avatar-color"],
["--green-avatar-bg", "--green-avatar-color"],
["--dark-green-avatar-bg", "--dark-green-avatar-color"],
["--red-avatar-bg", "--red-avatar-color"],
["--yellow-avatar-bg", "--yellow-avatar-color"],
["--purple-avatar-bg", "--purple-avatar-color"],
["--gray-avatar-bg", "--gray-avatar-color0"],
]
encoded_name = str(full_name).encode("utf-8")
hash_name = hashlib.md5(encoded_name).hexdigest()
idx = cint((int(hash_name[4:6], 16) + 1) / 5.33)
return palette[idx % 8]
@frappe.whitelist(allow_guest=True)
@rate_limit(limit=500, seconds=60 * 60)
def get_related_courses(course: str) -> list:
if not guest_access_allowed():
return []
related_course_details = []
related_courses = frappe.get_all("Related Courses", {"parent": course}, order_by="idx", pluck="course")
for related_course in related_courses:
related_course_details.append(get_course_details(related_course))
return related_course_details
def persona_captured():
frappe.db.set_single_value("LMS Settings", "persona_captured", 1)
def validate_discussion_reply(doc: Document, method: str):
topic = frappe.db.get_value(
"Discussion Topic", doc.topic, ["reference_doctype", "reference_docname"], as_dict=True
)
if topic.reference_doctype == "Course Lesson":
validate_course_access(topic.reference_docname)
elif topic.reference_doctype == "LMS Batch":
validate_batch_access(topic.reference_docname)
def validate_course_access(lesson: str):
if not frappe.db.exists("Course Lesson", lesson):
frappe.throw(_("The lesson does not exist."))
if has_moderator_role():
return
if has_course_instructor_role():
return
course = frappe.db.get_value("Course Lesson", lesson, "course")
enrollment_exists = frappe.db.exists("LMS Enrollment", {"member": frappe.session.user, "course": course})
if not enrollment_exists:
frappe.throw(_("You do not have access to this course."))
def validate_batch_access(batch: str):
if not frappe.db.exists("LMS Batch", batch):
frappe.throw(_("The batch does not exist."))
if has_moderator_role():
return
if has_evaluator_role():
return
enrollment_exists = frappe.db.exists(
"LMS Batch Enrollment", {"member": frappe.session.user, "batch": batch}
)
if not enrollment_exists:
frappe.throw(_("You do not have access to this batch."))
def can_modify_course(course: str) -> bool:
is_instructor = frappe.db.exists(
"Course Instructor",
{"instructor": frappe.session.user, "parent": course, "parenttype": "LMS Course"},
)
if not (has_moderator_role() or is_instructor):
return False
return True
def can_modify_batch(batch: str) -> bool:
is_instructor = frappe.db.exists(
"Course Instructor",
{
"instructor": frappe.session.user,
"parent": batch,
"parenttype": "LMS Batch",
},
)
if not (has_moderator_role() or is_instructor):
return False
return True
def has_lms_role():
roles = frappe.get_roles()
lms_roles = set(LMS_ROLES)
user_roles = set(roles)
return not lms_roles.isdisjoint(user_roles)