[Major][Breaking] Added Topic Layer in Course
diff --git a/erpnext/education/doctype/course_topic/__init__.py b/erpnext/education/doctype/course_topic/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/education/doctype/course_topic/__init__.py
diff --git a/erpnext/education/doctype/course_topic/course_topic.js b/erpnext/education/doctype/course_topic/course_topic.js
new file mode 100644
index 0000000..7d03ba3
--- /dev/null
+++ b/erpnext/education/doctype/course_topic/course_topic.js
@@ -0,0 +1,8 @@
+// Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.ui.form.on('Course Topic', {
+	refresh: function(frm) {
+
+	}
+});
diff --git a/erpnext/education/doctype/course_topic/course_topic.json b/erpnext/education/doctype/course_topic/course_topic.json
new file mode 100644
index 0000000..3fcddc1
--- /dev/null
+++ b/erpnext/education/doctype/course_topic/course_topic.json
@@ -0,0 +1,109 @@
+{
+ "allow_copy": 0,
+ "allow_events_in_timeline": 0,
+ "allow_guest_to_view": 0,
+ "allow_import": 0,
+ "allow_rename": 0,
+ "beta": 0,
+ "creation": "2018-12-12 11:51:25.952740",
+ "custom": 0,
+ "docstatus": 0,
+ "doctype": "DocType",
+ "document_type": "",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "fields": [
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "topic",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 1,
+   "in_standard_filter": 0,
+   "label": "Topic",
+   "length": 0,
+   "no_copy": 0,
+   "options": "Topic",
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fetch_from": "topic.topic_name",
+   "fieldname": "topic_name",
+   "fieldtype": "Data",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 1,
+   "in_standard_filter": 0,
+   "label": "Topic Name",
+   "length": 0,
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  }
+ ],
+ "has_web_view": 0,
+ "hide_heading": 0,
+ "hide_toolbar": 0,
+ "idx": 0,
+ "image_view": 0,
+ "in_create": 0,
+ "is_submittable": 0,
+ "issingle": 0,
+ "istable": 1,
+ "max_attachments": 0,
+ "modified": "2018-12-12 13:01:58.960425",
+ "modified_by": "Administrator",
+ "module": "Education",
+ "name": "Course Topic",
+ "name_case": "",
+ "owner": "Administrator",
+ "permissions": [],
+ "quick_entry": 1,
+ "read_only": 0,
+ "read_only_onload": 0,
+ "show_name_in_global_search": 0,
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1,
+ "track_seen": 0,
+ "track_views": 0
+}
\ No newline at end of file
diff --git a/erpnext/education/doctype/course_topic/course_topic.py b/erpnext/education/doctype/course_topic/course_topic.py
new file mode 100644
index 0000000..2364f17
--- /dev/null
+++ b/erpnext/education/doctype/course_topic/course_topic.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe.model.document import Document
+
+class CourseTopic(Document):
+	pass
diff --git a/erpnext/education/doctype/course_topic/test_course_topic.js b/erpnext/education/doctype/course_topic/test_course_topic.js
new file mode 100644
index 0000000..d8d154f
--- /dev/null
+++ b/erpnext/education/doctype/course_topic/test_course_topic.js
@@ -0,0 +1,23 @@
+/* eslint-disable */
+// rename this file from _test_[name] to test_[name] to activate
+// and remove above this line
+
+QUnit.test("test: Course Topic", function (assert) {
+	let done = assert.async();
+
+	// number of asserts
+	assert.expect(1);
+
+	frappe.run_serially([
+		// insert a new Course Topic
+		() => frappe.tests.make('Course Topic', [
+			// values to be set
+			{key: 'value'}
+		]),
+		() => {
+			assert.equal(cur_frm.doc.key, 'value');
+		},
+		() => done()
+	]);
+
+});
diff --git a/erpnext/education/doctype/course_topic/test_course_topic.py b/erpnext/education/doctype/course_topic/test_course_topic.py
new file mode 100644
index 0000000..7ce46d2
--- /dev/null
+++ b/erpnext/education/doctype/course_topic/test_course_topic.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and Contributors
+# See license.txt
+from __future__ import unicode_literals
+
+import frappe
+import unittest
+
+class TestCourseTopic(unittest.TestCase):
+	pass
diff --git a/erpnext/education/doctype/topic/__init__.py b/erpnext/education/doctype/topic/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/education/doctype/topic/__init__.py
diff --git a/erpnext/education/doctype/topic/test_topic.js b/erpnext/education/doctype/topic/test_topic.js
new file mode 100644
index 0000000..4460b79
--- /dev/null
+++ b/erpnext/education/doctype/topic/test_topic.js
@@ -0,0 +1,23 @@
+/* eslint-disable */
+// rename this file from _test_[name] to test_[name] to activate
+// and remove above this line
+
+QUnit.test("test: Topic", function (assert) {
+	let done = assert.async();
+
+	// number of asserts
+	assert.expect(1);
+
+	frappe.run_serially([
+		// insert a new Topic
+		() => frappe.tests.make('Topic', [
+			// values to be set
+			{key: 'value'}
+		]),
+		() => {
+			assert.equal(cur_frm.doc.key, 'value');
+		},
+		() => done()
+	]);
+
+});
diff --git a/erpnext/education/doctype/topic/test_topic.py b/erpnext/education/doctype/topic/test_topic.py
new file mode 100644
index 0000000..33e7e24
--- /dev/null
+++ b/erpnext/education/doctype/topic/test_topic.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and Contributors
+# See license.txt
+from __future__ import unicode_literals
+
+import frappe
+import unittest
+
+class TestTopic(unittest.TestCase):
+	pass
diff --git a/erpnext/education/doctype/topic/topic.js b/erpnext/education/doctype/topic/topic.js
new file mode 100644
index 0000000..695c174
--- /dev/null
+++ b/erpnext/education/doctype/topic/topic.js
@@ -0,0 +1,8 @@
+// Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.ui.form.on('Topic', {
+	refresh: function(frm) {
+
+	}
+});
diff --git a/erpnext/education/doctype/topic/topic.json b/erpnext/education/doctype/topic/topic.json
new file mode 100644
index 0000000..71eccf7
--- /dev/null
+++ b/erpnext/education/doctype/topic/topic.json
@@ -0,0 +1,242 @@
+{
+ "allow_copy": 0,
+ "allow_events_in_timeline": 0,
+ "allow_guest_to_view": 0,
+ "allow_import": 0,
+ "allow_rename": 0,
+ "autoname": "field:topic_code",
+ "beta": 0,
+ "creation": "2018-12-12 11:37:39.917760",
+ "custom": 0,
+ "docstatus": 0,
+ "doctype": "DocType",
+ "document_type": "",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "fields": [
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "topic_name",
+   "fieldtype": "Data",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 1,
+   "in_standard_filter": 0,
+   "label": "Name",
+   "length": 0,
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "column_break_2",
+   "fieldtype": "Column Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 0,
+   "in_standard_filter": 0,
+   "length": 0,
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "topic_code",
+   "fieldtype": "Data",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 1,
+   "in_standard_filter": 0,
+   "label": "Code",
+   "length": 0,
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 1
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "section_break_4",
+   "fieldtype": "Section Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 0,
+   "in_standard_filter": 0,
+   "length": 0,
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "topic_content",
+   "fieldtype": "Table",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 0,
+   "in_standard_filter": 0,
+   "label": "Topic Content",
+   "length": 0,
+   "no_copy": 0,
+   "options": "Topic Content",
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  }
+ ],
+ "has_web_view": 0,
+ "hide_heading": 0,
+ "hide_toolbar": 0,
+ "idx": 0,
+ "image_view": 0,
+ "in_create": 0,
+ "is_submittable": 0,
+ "issingle": 0,
+ "istable": 0,
+ "max_attachments": 0,
+ "modified": "2018-12-12 11:45:17.974774",
+ "modified_by": "Administrator",
+ "module": "Education",
+ "name": "Topic",
+ "name_case": "",
+ "owner": "Administrator",
+ "permissions": [
+  {
+   "amend": 0,
+   "cancel": 0,
+   "create": 1,
+   "delete": 1,
+   "email": 1,
+   "export": 1,
+   "if_owner": 0,
+   "import": 0,
+   "permlevel": 0,
+   "print": 1,
+   "read": 1,
+   "report": 1,
+   "role": "System Manager",
+   "set_user_permissions": 0,
+   "share": 1,
+   "submit": 0,
+   "write": 1
+  },
+  {
+   "amend": 0,
+   "cancel": 0,
+   "create": 1,
+   "delete": 1,
+   "email": 1,
+   "export": 1,
+   "if_owner": 0,
+   "import": 0,
+   "permlevel": 0,
+   "print": 1,
+   "read": 1,
+   "report": 1,
+   "role": "Administrator",
+   "set_user_permissions": 0,
+   "share": 1,
+   "submit": 0,
+   "write": 1
+  }
+ ],
+ "quick_entry": 1,
+ "read_only": 0,
+ "read_only_onload": 0,
+ "show_name_in_global_search": 0,
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1,
+ "track_seen": 0,
+ "track_views": 0
+}
\ No newline at end of file
diff --git a/erpnext/education/doctype/topic/topic.py b/erpnext/education/doctype/topic/topic.py
new file mode 100644
index 0000000..b48593e
--- /dev/null
+++ b/erpnext/education/doctype/topic/topic.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe.model.document import Document
+
+class Topic(Document):
+	def get_contents(self):
+		try:
+			course_content_list = self.get_all_children()
+			content_data = [frappe.get_doc(course_content.content_type, course_content.content) for course_content in course_content_list]
+		except Exception as e:
+			return None
+		return content_data
+
+	def get_first_content(self):
+		return self.get_contents()[0]
+
+	def get_last_content(self):
+		return self.get_contents()[-1]
diff --git a/erpnext/education/doctype/topic_content/__init__.py b/erpnext/education/doctype/topic_content/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/education/doctype/topic_content/__init__.py
diff --git a/erpnext/education/doctype/topic_content/test_topic_content.js b/erpnext/education/doctype/topic_content/test_topic_content.js
new file mode 100644
index 0000000..bf9a62d
--- /dev/null
+++ b/erpnext/education/doctype/topic_content/test_topic_content.js
@@ -0,0 +1,23 @@
+/* eslint-disable */
+// rename this file from _test_[name] to test_[name] to activate
+// and remove above this line
+
+QUnit.test("test: Topic Content", function (assert) {
+	let done = assert.async();
+
+	// number of asserts
+	assert.expect(1);
+
+	frappe.run_serially([
+		// insert a new Topic Content
+		() => frappe.tests.make('Topic Content', [
+			// values to be set
+			{key: 'value'}
+		]),
+		() => {
+			assert.equal(cur_frm.doc.key, 'value');
+		},
+		() => done()
+	]);
+
+});
diff --git a/erpnext/education/doctype/topic_content/test_topic_content.py b/erpnext/education/doctype/topic_content/test_topic_content.py
new file mode 100644
index 0000000..cf304f6
--- /dev/null
+++ b/erpnext/education/doctype/topic_content/test_topic_content.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and Contributors
+# See license.txt
+from __future__ import unicode_literals
+
+import frappe
+import unittest
+
+class TestTopicContent(unittest.TestCase):
+	pass
diff --git a/erpnext/education/doctype/topic_content/topic_content.js b/erpnext/education/doctype/topic_content/topic_content.js
new file mode 100644
index 0000000..9cda0ca
--- /dev/null
+++ b/erpnext/education/doctype/topic_content/topic_content.js
@@ -0,0 +1,8 @@
+// Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.ui.form.on('Topic Content', {
+	refresh: function(frm) {
+
+	}
+});
diff --git a/erpnext/education/doctype/topic_content/topic_content.json b/erpnext/education/doctype/topic_content/topic_content.json
new file mode 100644
index 0000000..5220788
--- /dev/null
+++ b/erpnext/education/doctype/topic_content/topic_content.json
@@ -0,0 +1,140 @@
+{
+ "allow_copy": 0,
+ "allow_events_in_timeline": 0,
+ "allow_guest_to_view": 0,
+ "allow_import": 0,
+ "allow_rename": 0,
+ "beta": 0,
+ "creation": "2018-12-12 11:42:57.987434",
+ "custom": 0,
+ "docstatus": 0,
+ "doctype": "DocType",
+ "document_type": "",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "fields": [
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "content_type",
+   "fieldtype": "Select",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 1,
+   "in_standard_filter": 0,
+   "label": "Content Type",
+   "length": 0,
+   "no_copy": 0,
+   "options": "\nArticle\nVideo\nQuiz",
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "column_break_2",
+   "fieldtype": "Column Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 0,
+   "in_standard_filter": 0,
+   "length": 0,
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "content",
+   "fieldtype": "Dynamic Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 1,
+   "in_standard_filter": 0,
+   "label": "Content",
+   "length": 0,
+   "no_copy": 0,
+   "options": "content_type",
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  }
+ ],
+ "has_web_view": 0,
+ "hide_heading": 0,
+ "hide_toolbar": 0,
+ "idx": 0,
+ "image_view": 0,
+ "in_create": 0,
+ "is_submittable": 0,
+ "issingle": 0,
+ "istable": 1,
+ "max_attachments": 0,
+ "modified": "2018-12-12 11:46:46.112018",
+ "modified_by": "Administrator",
+ "module": "Education",
+ "name": "Topic Content",
+ "name_case": "",
+ "owner": "Administrator",
+ "permissions": [],
+ "quick_entry": 1,
+ "read_only": 0,
+ "read_only_onload": 0,
+ "show_name_in_global_search": 0,
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1,
+ "track_seen": 0,
+ "track_views": 0
+}
\ No newline at end of file
diff --git a/erpnext/education/doctype/topic_content/topic_content.py b/erpnext/education/doctype/topic_content/topic_content.py
new file mode 100644
index 0000000..9b2c90b
--- /dev/null
+++ b/erpnext/education/doctype/topic_content/topic_content.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe.model.document import Document
+
+class TopicContent(Document):
+	pass