diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/controller/CourseController.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/controller/CourseController.java new file mode 100644 index 0000000000000000000000000000000000000000..7c677f64ea4681a4472724df9ca38a4e76b38d94 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/controller/CourseController.java @@ -0,0 +1,45 @@ +package id.ac.ui.cs.advprog.tutorial0.controller; + +import id.ac.ui.cs.advprog.tutorial0.exception.DuplicateCoursenameException; +import id.ac.ui.cs.advprog.tutorial0.model.Course; +import id.ac.ui.cs.advprog.tutorial0.service.CourseService; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Controller; +import org.springframework.ui.Model; +import org.springframework.web.bind.annotation.*; + +import java.util.List; + +@Controller +@RequestMapping("/course") +public class CourseController { + + @Autowired + private CourseService service; + + @GetMapping("/list") + public String courseListPage(Model model) { + List<Course> allCourse = service.findAll(); + model.addAttribute("courses", allCourse); + return "courseList"; + } + + @GetMapping("/create") + public String createCoursePage(Model model) { + Course course = new Course(); + model.addAttribute("course", course); + return "createCourse"; + } + + @PostMapping("/create") + public String createCoursePost(@ModelAttribute Course course, Model model) { + try { + service.create(course); + } catch (DuplicateCoursenameException e) { + model.addAttribute("error", e); + model.addAttribute("course", course); + return "createCourse"; + } + return "redirect:list"; + } +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/exception/DuplicateCoursenameException.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/exception/DuplicateCoursenameException.java new file mode 100644 index 0000000000000000000000000000000000000000..ceb9718cc846ea6352fad938d9b8a885c6cbdd21 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/exception/DuplicateCoursenameException.java @@ -0,0 +1,7 @@ +package id.ac.ui.cs.advprog.tutorial0.exception; + +public class DuplicateCoursenameException extends RuntimeException{ + public DuplicateCoursenameException(String courseName){ + super(String.format("The student name %s is a duplicate!", courseName)); + } +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/model/Course.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/model/Course.java new file mode 100644 index 0000000000000000000000000000000000000000..66ad5afafb3b9e84b1aaaccc347c4fad7015609d --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/model/Course.java @@ -0,0 +1,11 @@ +package id.ac.ui.cs.advprog.tutorial0.model; + +import lombok.Getter; +import lombok.Setter; + +@Getter @Setter +public class Course { + private String coursename; + private String courseid; + private Boolean vacancystatus; +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/repository/CourseRepository.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/repository/CourseRepository.java new file mode 100644 index 0000000000000000000000000000000000000000..c5093676e35bf84836d3b4614f283ad8f08ba3b5 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/repository/CourseRepository.java @@ -0,0 +1,23 @@ +package id.ac.ui.cs.advprog.tutorial0.repository; + +import id.ac.ui.cs.advprog.tutorial0.model.Course; +import org.springframework.stereotype.Repository; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +@Repository +public class CourseRepository { + private List<Course> courseInMemory = new ArrayList<>(); + + public Course create (Course course) { + courseInMemory.add(course); + return course; + } + + public Iterator<Course> findAll(){ + + return courseInMemory.iterator(); + } +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseService.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseService.java new file mode 100644 index 0000000000000000000000000000000000000000..e26b9082f77c42783a092dfbe0ac74d02dbebfb3 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseService.java @@ -0,0 +1,10 @@ +package id.ac.ui.cs.advprog.tutorial0.service; + +import id.ac.ui.cs.advprog.tutorial0.model.Course; + +import java.util.List; + +public interface CourseService { + public Course create(Course course); + public List<Course> findAll(); +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImp1.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImp1.java new file mode 100644 index 0000000000000000000000000000000000000000..3ab9fefc9d5504a94796187f41bed9e842297ca1 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImp1.java @@ -0,0 +1,52 @@ +package id.ac.ui.cs.advprog.tutorial0.service; + +import id.ac.ui.cs.advprog.tutorial0.exception.DuplicateStudentnameException; +import id.ac.ui.cs.advprog.tutorial0.model.Course; +import id.ac.ui.cs.advprog.tutorial0.repository.CourseRepository; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +@Service +public class CourseServiceImp1 implements CourseService { + + @Autowired + private CourseRepository courseRepository; + + @Override + public Course create(Course course){ + validateName(course); + generateCourseId(course); + courseRepository.create(course); + return course; + } + + private void validateName(Course course) { + List<Course> allCourse = findAll(); + for(Course dbCourse: allCourse){ + if(dbCourse.getCoursename().equals(course.getCoursename())){ + throw new DuplicateStudentnameException(course.getCoursename()); + } + } + } + + private void generateCourseId(Course course){ + StringBuilder stringBuilder = new StringBuilder(); + for (char letter: course.getCoursename().toCharArray()){ + stringBuilder.append(String.valueOf((int)letter)); + } + String id = stringBuilder.toString(); + course.setCourseid(id); + } + + @Override + public List<Course> findAll(){ + Iterator<Course> courseIterator = courseRepository.findAll(); + List<Course> allCourse = new ArrayList<>(); + courseIterator.forEachRemaining(allCourse::add); + return allCourse; + } +} diff --git a/src/main/resources/templates/courseList.html b/src/main/resources/templates/courseList.html new file mode 100644 index 0000000000000000000000000000000000000000..1718f8dea84acf47299f38ec6e69a4eabe2b8cbc --- /dev/null +++ b/src/main/resources/templates/courseList.html @@ -0,0 +1,33 @@ +<!DOCTYPE html> +<html lang="en" xmlns:th="http://www.thymeleaf.org"> +<head> + <meta charset="UTF-8"> + <title>Course List</title> + <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous"> +</head> +<body> + +<h2>Course' List</h2> +<a th:href="@{/course/create}" class="btn btn-primary btn-sm mb-3" >Create course</a> + +<table class="table"> + <thead> + <tr> + <th scope="col">Course name</th> + <th scope="col">Course ID</th> + <th scope="col">Vacancy</th> + </tr> + </thead> + <tbody th:each="course: ${courses}"> + <tr> + <td th:text="${course.coursename}"></td> + <td th:text="${course.courseid}"></td> + <td th:text="${course.vacancystatus}"></td> + </tr> + + </tbody> +</table> + +<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script> +</body> +</html> \ No newline at end of file diff --git a/src/main/resources/templates/createCourse.html b/src/main/resources/templates/createCourse.html new file mode 100644 index 0000000000000000000000000000000000000000..787ade509caa99c67fe6cdf7e8d9bd185bbf4250 --- /dev/null +++ b/src/main/resources/templates/createCourse.html @@ -0,0 +1,23 @@ +<!DOCTYPE html> +<html lang="en" xmlns:th="http://www.thymeleaf.org"> +<head> + <meta charset="UTF-8"> + <title>Create new Course</title> + <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous"> +</head> +<body> +<h3>Create new Course</h3> +<div th:if="${error!=null}" class="alert alert-danger" role="alert"> + Duplicate course name +</div> +<form th:action="@{/course/create}" th:object="${course}" method="post"> + <div class="form-group"> + <label for="nameInput">Name</label> + <input th:field="*{coursename}" type="text" class="form-control" id="nameInput" aria-describedby="nameHelp" placeholder="Enter course' name"> + <small id="nameHelp" class="form-text text-muted">Please enter unique course name.</small> + </div> + <button type="submit" class="btn btn-primary">Submit</button> +</form> +<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script> +</body> +</html> \ No newline at end of file