Code Structure

• Source code

  • models

    • course
      • Course.java
    • exercise
    • group
    • topic
    • material
    • user

  • services (Controller will call service)

    • course
      • CourseService.java (interface)
      • CourseImplement.java
    • exercise
      • ExerciseService.java (interface)
      • ExerciseImplement.java
    • group
      • GroupService.java (interface)
      • GroupImplement.java
    • …

  • repositories (access database and can be called by service and controller)

    • CourseRepository.java
    • …

  • mapper (mapper)

    • …

  • security (all methods related to security will be stored here)

    • …

  • utils

    • DateUtil.java

  • helper

    • ExcelHelper.java
    • JsonConvert

  • constants

    • DataType.java

  • validator

    • date
      • DateComparison.java (@interface)
      • DateComparisonValidator.java

  • controllers (API)

    • TopicController.java
    • UserController.java
    • ExerciseController.java
    • …