chore: create a separate controller file for EmployeeBoardingController
diff --git a/erpnext/controllers/employee_boarding_controller.py b/erpnext/controllers/employee_boarding_controller.py
new file mode 100644
index 0000000..e7f7130
--- /dev/null
+++ b/erpnext/controllers/employee_boarding_controller.py
@@ -0,0 +1,128 @@
+# Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+import erpnext
+import frappe
+from frappe import _
+from frappe.desk.form import assign_to
+from frappe.model.document import Document
+from frappe.utils import flt, unique
+
+class EmployeeBoardingController(Document):
+	'''
+		Create the project and the task for the boarding process
+		Assign to the concerned person and roles as per the onboarding/separation template
+	'''
+	def validate(self):
+		# remove the task if linked before submitting the form
+		if self.amended_from:
+			for activity in self.activities:
+				activity.task = ''
+
+	def on_submit(self):
+		# create the project for the given employee onboarding
+		project_name = _(self.doctype) + ' : '
+		if self.doctype == 'Employee Onboarding':
+			project_name += self.job_applicant
+		else:
+			project_name += self.employee
+
+		project = frappe.get_doc({
+				'doctype': 'Project',
+				'project_name': project_name,
+				'expected_start_date': self.date_of_joining if self.doctype == 'Employee Onboarding' else self.resignation_letter_date,
+				'department': self.department,
+				'company': self.company
+			}).insert(ignore_permissions=True, ignore_mandatory=True)
+
+		self.db_set('project', project.name)
+		self.db_set('boarding_status', 'Pending')
+		self.reload()
+		self.create_task_and_notify_user()
+
+	def create_task_and_notify_user(self):
+		# create the task for the given project and assign to the concerned person
+		for activity in self.activities:
+			if activity.task:
+				continue
+
+			task = frappe.get_doc({
+				'doctype': 'Task',
+				'project': self.project,
+				'subject': activity.activity_name + ' : ' + self.employee_name,
+				'description': activity.description,
+				'department': self.department,
+				'company': self.company,
+				'task_weight': activity.task_weight
+			}).insert(ignore_permissions=True)
+			activity.db_set('task', task.name)
+
+			users = [activity.user] if activity.user else []
+			if activity.role:
+				user_list = frappe.db.sql_list('''
+					SELECT
+						DISTINCT(has_role.parent)
+					FROM
+						`tabHas Role` has_role
+							LEFT JOIN `tabUser` user
+								ON has_role.parent = user.name
+					WHERE
+						has_role.parenttype = 'User'
+							AND user.enabled = 1
+							AND has_role.role = %s
+				''', activity.role)
+				users = unique(users + user_list)
+
+				if 'Administrator' in users:
+					users.remove('Administrator')
+
+			# assign the task the users
+			if users:
+				self.assign_task_to_users(task, users)
+
+	def assign_task_to_users(self, task, users):
+		for user in users:
+			args = {
+				'assign_to': [user],
+				'doctype': task.doctype,
+				'name': task.name,
+				'description': task.description or task.subject,
+				'notify': self.notify_users_by_email
+			}
+			assign_to.add(args)
+
+	def on_cancel(self):
+		# delete task project
+		for task in frappe.get_all('Task', filters={'project': self.project}):
+			frappe.delete_doc('Task', task.name, force=1)
+		frappe.delete_doc('Project', self.project, force=1)
+		self.db_set('project', '')
+		for activity in self.activities:
+			activity.db_set('task', '')
+
+
+@frappe.whitelist()
+def get_onboarding_details(parent, parenttype):
+	return frappe.get_all('Employee Boarding Activity',
+		fields=['activity_name', 'role', 'user', 'required_for_employee_creation', 'description', 'task_weight'],
+		filters={'parent': parent, 'parenttype': parenttype},
+		order_by= 'idx')
+
+
+def update_employee_boarding_status(project):
+	employee_onboarding = frappe.db.exists('Employee Onboarding', {'project': project.name})
+	employee_separation = frappe.db.exists('Employee Separation', {'project': project.name})
+
+	if not (employee_onboarding or employee_separation):
+		return
+
+	status = 'Pending'
+	if flt(project.percent_complete) > 0.0 and flt(project.percent_complete) < 100.0:
+		status = 'In Process'
+	elif flt(project.percent_complete) == 100.0:
+		status = 'Completed'
+
+	if employee_onboarding:
+		frappe.db.set_value('Employee Onboarding', employee_onboarding, 'boarding_status', status)
+	elif employee_separation:
+		frappe.db.set_value('Employee Separation', employee_separation, 'boarding_status', status)
diff --git a/erpnext/hr/doctype/employee_onboarding/employee_onboarding.js b/erpnext/hr/doctype/employee_onboarding/employee_onboarding.js
index bd72629..5d1a024 100644
--- a/erpnext/hr/doctype/employee_onboarding/employee_onboarding.js
+++ b/erpnext/hr/doctype/employee_onboarding/employee_onboarding.js
@@ -56,7 +56,7 @@
 		frm.set_value("activities" ,"");
 		if (frm.doc.employee_onboarding_template) {
 			frappe.call({
-				method: "erpnext.hr.utils.get_onboarding_details",
+				method: "erpnext.controllers.employee_boarding_controller.get_onboarding_details",
 				args: {
 					"parent": frm.doc.employee_onboarding_template,
 					"parenttype": "Employee Onboarding Template"
diff --git a/erpnext/hr/doctype/employee_onboarding/employee_onboarding.py b/erpnext/hr/doctype/employee_onboarding/employee_onboarding.py
index 6cc2bf5..55fe317 100644
--- a/erpnext/hr/doctype/employee_onboarding/employee_onboarding.py
+++ b/erpnext/hr/doctype/employee_onboarding/employee_onboarding.py
@@ -5,7 +5,7 @@
 from __future__ import unicode_literals
 import frappe
 from frappe import _
-from erpnext.hr.utils import EmployeeBoardingController
+from erpnext.controllers.employee_boarding_controller import EmployeeBoardingController
 from frappe.model.mapper import get_mapped_doc
 
 class IncompleteTaskError(frappe.ValidationError): pass
@@ -16,9 +16,9 @@
 		self.validate_duplicate_employee_onboarding()
 
 	def validate_duplicate_employee_onboarding(self):
-		emp_onboarding = frappe.db.exists("Employee Onboarding",{"job_applicant": self.job_applicant})
+		emp_onboarding = frappe.db.exists("Employee Onboarding", {"job_applicant": self.job_applicant})
 		if emp_onboarding and emp_onboarding != self.name:
-			frappe.throw(_("Employee Onboarding: {0} is already for Job Applicant: {1}").format(frappe.bold(emp_onboarding), frappe.bold(self.job_applicant)))
+			frappe.throw(_("Employee Onboarding: {0} already exists for Job Applicant: {1}").format(frappe.bold(emp_onboarding), frappe.bold(self.job_applicant)))
 
 	def validate_employee_creation(self):
 		if self.docstatus != 1:
@@ -30,7 +30,7 @@
 				else:
 					task_status = frappe.db.get_value("Task", activity.task, "status")
 					if task_status not in ["Completed", "Cancelled"]:
-						frappe.throw(_("All the mandatory Task for employee creation hasn't been done yet."), IncompleteTaskError)
+						frappe.throw(_("All the mandatory tasks for employee creation are not completed yet."), IncompleteTaskError)
 
 	def on_submit(self):
 		super(EmployeeOnboarding, self).on_submit()
diff --git a/erpnext/hr/doctype/employee_separation/employee_separation.js b/erpnext/hr/doctype/employee_separation/employee_separation.js
index 3383079..d9011b2 100644
--- a/erpnext/hr/doctype/employee_separation/employee_separation.js
+++ b/erpnext/hr/doctype/employee_separation/employee_separation.js
@@ -29,7 +29,7 @@
 		frm.set_value("activities" ,"");
 		if (frm.doc.employee_separation_template) {
 			frappe.call({
-				method: "erpnext.hr.utils.get_onboarding_details",
+				method: "erpnext.controllers.employee_boarding_controller.get_onboarding_details",
 				args: {
 					"parent": frm.doc.employee_separation_template,
 					"parenttype": "Employee Separation Template"
diff --git a/erpnext/hr/doctype/employee_separation/employee_separation.py b/erpnext/hr/doctype/employee_separation/employee_separation.py
index b646681..8afee25 100644
--- a/erpnext/hr/doctype/employee_separation/employee_separation.py
+++ b/erpnext/hr/doctype/employee_separation/employee_separation.py
@@ -3,7 +3,7 @@
 # For license information, please see license.txt
 
 from __future__ import unicode_literals
-from erpnext.hr.utils import EmployeeBoardingController
+from erpnext.controllers.employee_boarding_controller import EmployeeBoardingController
 
 class EmployeeSeparation(EmployeeBoardingController):
 	def validate(self):
diff --git a/erpnext/hr/utils.py b/erpnext/hr/utils.py
index 97420ef..3cc1a01 100644
--- a/erpnext/hr/utils.py
+++ b/erpnext/hr/utils.py
@@ -13,125 +13,6 @@
 
 class DuplicateDeclarationError(frappe.ValidationError): pass
 
-
-class EmployeeBoardingController(Document):
-	'''
-		Create the project and the task for the boarding process
-		Assign to the concerned person and roles as per the onboarding/separation template
-	'''
-	def validate(self):
-		# remove the task if linked before submitting the form
-		if self.amended_from:
-			for activity in self.activities:
-				activity.task = ''
-
-	def on_submit(self):
-		# create the project for the given employee onboarding
-		project_name = _(self.doctype) + " : "
-		if self.doctype == "Employee Onboarding":
-			project_name += self.job_applicant
-		else:
-			project_name += self.employee
-
-		project = frappe.get_doc({
-				"doctype": "Project",
-				"project_name": project_name,
-				"expected_start_date": self.date_of_joining if self.doctype == "Employee Onboarding" else self.resignation_letter_date,
-				"department": self.department,
-				"company": self.company
-			}).insert(ignore_permissions=True, ignore_mandatory=True)
-
-		self.db_set("project", project.name)
-		self.db_set("boarding_status", "Pending")
-		self.reload()
-		self.create_task_and_notify_user()
-
-	def create_task_and_notify_user(self):
-		# create the task for the given project and assign to the concerned person
-		for activity in self.activities:
-			if activity.task:
-				continue
-
-			task = frappe.get_doc({
-				"doctype": "Task",
-				"project": self.project,
-				"subject": activity.activity_name + " : " + self.employee_name,
-				"description": activity.description,
-				"department": self.department,
-				"company": self.company,
-				"task_weight": activity.task_weight
-			}).insert(ignore_permissions=True)
-			activity.db_set("task", task.name)
-
-			users = [activity.user] if activity.user else []
-			if activity.role:
-				user_list = frappe.db.sql_list('''
-					SELECT
-						DISTINCT(has_role.parent)
-					FROM
-						`tabHas Role` has_role
-							LEFT JOIN `tabUser` user
-								ON has_role.parent = user.name
-					WHERE
-						has_role.parenttype = 'User'
-							AND user.enabled = 1
-							AND has_role.role = %s
-				''', activity.role)
-				users = unique(users + user_list)
-
-				if "Administrator" in users:
-					users.remove("Administrator")
-
-			# assign the task the users
-			if users:
-				self.assign_task_to_users(task, users)
-
-	def assign_task_to_users(self, task, users):
-		for user in users:
-			args = {
-				'assign_to': [user],
-				'doctype': task.doctype,
-				'name': task.name,
-				'description': task.description or task.subject,
-				'notify': self.notify_users_by_email
-			}
-			assign_to.add(args)
-
-	def on_cancel(self):
-		# delete task project
-		for task in frappe.get_all("Task", filters={"project": self.project}):
-			frappe.delete_doc("Task", task.name, force=1)
-		frappe.delete_doc("Project", self.project, force=1)
-		self.db_set('project', '')
-		for activity in self.activities:
-			activity.db_set("task", "")
-
-
-@frappe.whitelist()
-def get_onboarding_details(parent, parenttype):
-	return frappe.get_all("Employee Boarding Activity",
-		fields=["activity_name", "role", "user", "required_for_employee_creation", "description", "task_weight"],
-		filters={"parent": parent, "parenttype": parenttype},
-		order_by= "idx")
-
-def update_employee_boarding_status(project):
-	employee_onboarding = frappe.db.exists('Employee Onboarding', {'project': project.name})
-	employee_separation = frappe.db.exists('Employee Separation', {'project': project.name})
-
-	if not (employee_onboarding or employee_separation):
-		return
-
-	status = 'Pending'
-	if flt(project.percent_complete) > 0.0 and flt(project.percent_complete) < 100.0:
-		status = 'In Process'
-	elif flt(project.percent_complete) == 100.0:
-		status = 'Completed'
-
-	if employee_onboarding:
-		frappe.db.set_value('Employee Onboarding', employee_onboarding, 'boarding_status', status)
-	elif employee_separation:
-		frappe.db.set_value('Employee Separation', employee_separation, 'boarding_status', status)
-
 def set_employee_name(doc):
 	if doc.employee and not doc.employee_name:
 		doc.employee_name = frappe.db.get_value("Employee", doc.employee, "employee_name")
diff --git a/erpnext/projects/doctype/project/project.py b/erpnext/projects/doctype/project/project.py
index 0ee9990..1e4b2b0 100644
--- a/erpnext/projects/doctype/project/project.py
+++ b/erpnext/projects/doctype/project/project.py
@@ -14,7 +14,7 @@
 from erpnext.hr.doctype.holiday_list.holiday_list import is_holiday
 from frappe.model.document import Document
 from erpnext.education.doctype.student_attendance.student_attendance import get_holiday_list
-from erpnext.hr.utils import update_employee_boarding_status
+from erpnext.controllers.employee_boarding_controller import update_employee_boarding_status
 
 class Project(Document):
 	def get_feed(self):