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

136 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) 2015, Frappe Technologies and contributors
# For lice
from __future__ import unicode_literals, division
import frappe
from frappe import _
class OverlapError(frappe.ValidationError): pass
def validate_overlap_for(doc, doctype, fieldname, value=None):
"""Checks overlap for specified field.
:param fieldname: Checks Overlap for this field
"""
existing = get_overlap_for(doc, doctype, fieldname, value)
if existing:
frappe.throw(_("This {0} conflicts with {1} for {2} {3}").format(doc.doctype, existing.name,
doc.meta.get_label(fieldname) if not value else fieldname , value or doc.get(fieldname)), OverlapError)
def get_overlap_for(doc, doctype, fieldname, value=None):
"""Returns overlaping document for specified field.
:param fieldname: Checks Overlap for this field
"""
existing = frappe.db.sql("""select name, from_time, to_time from `tab{0}`
where `{1}`=%(val)s and schedule_date = %(schedule_date)s and
(
(from_time > %(from_time)s and from_time < %(to_time)s) or
(to_time > %(from_time)s and to_time < %(to_time)s) or
(%(from_time)s > from_time and %(from_time)s < to_time) or
(%(from_time)s = from_time and %(to_time)s = to_time))
and name!=%(name)s and docstatus!=2""".format(doctype, fieldname),
{
"schedule_date": doc.schedule_date,
"val": value or doc.get(fieldname),
"from_time": doc.from_time,
"to_time": doc.to_time,
"name": doc.name or "No Name"
}, as_dict=True)
return existing[0] if existing else None
def validate_duplicate_student(students):
unique_students= []
for stud in students:
if stud.student in unique_students:
frappe.throw(_("Student {0} - {1} appears Multiple times in row {2} & {3}")
.format(stud.student, stud.student_name, unique_students.index(stud.student)+1, stud.idx))
else:
unique_students.append(stud.student)
return None
# LMS Utils
def get_current_student():
"""
Returns student user name, example EDU-STU-2018-00001 (Based on the naming series).
Takes email from from frappe.session.user
"""
email = frappe.session.user
if email in ('Administrator', 'Guest'):
return None
try:
student_id = frappe.db.get_all("Student", {"student_email_id": email}, ["name"])[0].name
return student_id
except IndexError:
return None
def get_program_enrollment(program_name):
"""
Function to get program enrollments for a particular student for a program
"""
student = get_current_student()
if not student:
return None
else:
enrollment = frappe.get_list("Program Enrollment", filters={'student':student, 'program': program_name})
if enrollment:
return enrollment[0].name
else:
return None
def get_program(program_name):
program = frappe.get_doc('Program', program_name)
is_enrolled = bool(get_program_enrollment(program_name))
return {'program': program, 'is_enrolled': is_enrolled}
def get_course_enrollment(course_name):
student = get_current_student()
enrollment_name = frappe.get_all("Course Enrollment", filters={'student': student, 'course':course_name})
try:
name = enrollment_name[0].name
enrollment = frappe.get_doc("Course Enrollment", name)
return enrollment
except:
return None
def create_student():
user = frappe.get_doc("User", frappe.session.user)
student = frappe.get_doc({
"doctype": "Student",
"first_name": user.first_name,
"last_name": user.last_name,
"student_email_id": user.email,
"user": frappe.session.user
})
student.save(ignore_permissions=True)
frappe.db.commit()
return student
def enroll_in_course(course_name, program_name):
student_id = get_current_student()
student = frappe.get_doc("Student", student_id)
student.enroll_in_course(course_name=course_name, program_enrollment=get_program_enrollment(program_name))
def enroll_all_courses_in_program(program_enrollment, student):
program = frappe.get_doc("Program", program_enrollment.program)
course_list = [course.course for course in program.get_all_children()]
for course_name in course_list:
student.enroll_in_course(course_name=course_name, program_enrollment=program_enrollment.name)
def check_activity_exists(enrollment, content_type, content):
activity = frappe.get_all("Course Activity", filters={'enrollment': enrollment, 'content_type': content_type, 'content': content})
return bool(activity)
# def get_home_page(user):
# print("----------------------------------------------------------------------")
# print("Let's do a lot of magic")
# if get_current_student():
# return 'lms#/Profile'
# else:
# return None