Module chapters 

Structs

Chapter

ChapterAvailability

ChapterInfo

ChapterPagesWithExercises

ChapterUpdate

ChapterWithStatus

CourseUserInfo

DatabaseChapter

NewChapter

UserChapterProgress

UserCourseInstanceChapterProgress

Enums

ChapterStatus

Functions

course_chapters

course_instance_chapters

delete_chapter

fetch_chapter_availability

fetch_course_users

fetch_user_chapter_progress

get_chapter

get_chapter_by_page_id

get_chapter_info_by_page_metadata

get_course_id

get_for_module

get_user_course_instance_chapter_progress

insert

is_open

Checks the opens_at field for the chapter and compares it to the current time. If null, the chapter is always open.

set_front_page

set_module

set_opens_at

update_chapter

update_chapter_image_path