Rename schools to Education (#11524)

* renaming for the docs, demo data and patch

* changes in the doctypes and reports

* rename the config file

* Few name changes in messages and license

* rename the school settings to education settings

* changes in the documentation

* added the setup file for the fixtures

* corrected the ui tests file path

* fix the codacy

* add the patch for renaming few doctypes and fields

* changes in the patch

erpnext/education/utils.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2015, Frappe Technologies and contributors
+# For lice
+
+from __future__ import unicode_literals
+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""".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)