fix: misc issues

lms/lms/api.py

@@ -490,7 +490,15 @@ def delete_sidebar_item(webpage):
 
 @frappe.whitelist()
 def delete_lesson(lesson, chapter):
-	frappe.db.delete("Lesson Reference", {"parent": chapter, "lesson": lesson})
+	# Delete Reference
+	chapter = frappe.get_doc("Course Chapter", chapter)
+	chapter.lessons = [row for row in chapter.lessons if row.lesson != lesson]
+	chapter.save()
+
+	# Delete progress
+	frappe.db.delete("LMS Course Progress", {"lesson": lesson})
+
+	# Delete Lesson
 	frappe.db.delete("Course Lesson", lesson)
 
 
@@ -802,3 +810,71 @@ def get_announcements(batch):
 		],
 		order_by="communication_date desc",
 	)
+
+@frappe.whitelist()
+def delete_course(course):
+
+	chapters = frappe.get_all("Course Chapter", {
+		"course": course
+	}, pluck="name")
+
+	chapter_references = frappe.get_all("Chapter Reference", {
+		"parent": course
+	}, pluck="name")
+
+	for chapter in chapters:
+		lessons = frappe.get_all("Course Lesson", {
+			"chapter": chapter
+		}, pluck="name")
+
+		lesson_references = frappe.get_all("Lesson Reference", {
+			"parent": chapter
+		}, pluck="name")
+
+		for lesson in lesson_references:
+			frappe.delete_doc("Lesson Reference", lesson)
+
+		for lesson in lessons:
+			frappe.db.delete("LMS Course Progress", {"lesson": lesson})
+
+			topics = frappe.get_all("Discussion Topic", {
+				"reference_doctype": "Course Lesson",
+				"reference_docname": lesson
+			}, pluck="name")
+
+			for topic in topics:
+				frappe.db.delete("Discussion Reply", {
+					"topic": topic
+				})
+
+				frappe.db.delete("Discussion Topic", topic)
+				
+			frappe.delete_doc("Course Lesson", lesson)
+
+	for chapter in chapter_references:
+		frappe.delete_doc("Chapter Reference", chapter)
+
+	for chapter in chapters:
+		frappe.delete_doc("Course Chapter", chapter)
+
+	frappe.db.delete("LMS Enrollment", {"course": course})
+	frappe.delete_doc("LMS Course", course)
+
+
+def give_dicussions_permission():
+    doctypes = ["Discussion Topic", "Discussion Reply"]
+    roles = ["LMS Student", "Course Creator", "Moderator", "Batch Evaluator"]
+    for doctype in doctypes:
+        for role in roles:
+            if not frappe.db.exists("Custom DocPerm", {"parent": doctype, "role": role}):
+                frappe.get_doc(
+                    {
+                        "doctype": "Custom DocPerm",
+                        "parent": doctype,
+                        "role": role,
+                        "read": 1,
+                        "write": 1,
+                        "create": 1,
+                        "delete": 1,
+                    }
+                ).save(ignore_permissions=True)