Fakultas Ilmu Komputer UI

Commit d623a978 authored by M MARGARETHA STELLA KALYANADUHITA T's avatar M MARGARETHA STELLA KALYANADUHITA T
Browse files

Merge branch 'task-implementation-course' into 'master'

Implement course page

See merge request !4
parents fcd528ee e183c5f6
package id.ac.ui.cs.advprog.turorial0.controller;
import id.ac.ui.cs.advprog.turorial0.exception.DuplicateCourseNameException;
import id.ac.ui.cs.advprog.turorial0.model.Course;
import id.ac.ui.cs.advprog.turorial0.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> allCourses = service.findAll();
model.addAttribute("courses", allCourses);
return "coursesList";
}
@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";
}
}
package id.ac.ui.cs.advprog.turorial0.exception;
public class DuplicateCourseNameException extends RuntimeException {
public DuplicateCourseNameException(String courseName) {
super(String.format("The course name %s is a duplicate!", courseName));
}
}
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package id.ac.ui.cs.advprog.turorial0.model;
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
public class Course {
private String courseName;
private String courseId;
private boolean vacancyStatus = true;
}
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package id.ac.ui.cs.advprog.turorial0.repository;
import id.ac.ui.cs.advprog.turorial0.model.Course;
import id.ac.ui.cs.advprog.turorial0.exception.DuplicateCourseNameException;
import org.springframework.stereotype.Repository;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.*;
@Repository
public class CourseRepository {
private List<Course> courseList = new ArrayList<>();
private Map<String, Course> courseMap = new HashMap<>();
public Course create(Course course) {
if (courseMap.get(course.getCourseName()) == null) {
courseMap.put(course.getCourseName(), course);
courseList.add(course);
return course;
}
throw new DuplicateCourseNameException(course.getCourseName());
}
public Iterator<Course> findAll() {
return courseList.iterator();
}
}
package id.ac.ui.cs.advprog.turorial0.service;
import id.ac.ui.cs.advprog.turorial0.model.Course;
import java.util.List;
public interface CourseService {
public Course create(Course course);
public List<Course> findAll();
}
package id.ac.ui.cs.advprog.turorial0.service;
import id.ac.ui.cs.advprog.turorial0.model.Course;
import id.ac.ui.cs.advprog.turorial0.repository.CourseRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.*;
@Service
public class CourseServiceImpl implements CourseService {
@Autowired
private CourseRepository courseRepo;
@Override
public Course create(Course course) {
courseRepo.create(course);
generateCourseId(course);
return course;
}
private void generateCourseId(Course course) {
StringBuilder stringBuilder = new StringBuilder();
for (char letter : course.getCourseName().toCharArray()) {
if (stringBuilder.toString().length() <= 30) {
stringBuilder.append(String.valueOf((int) letter));
}
}
course.setCourseId(stringBuilder.toString());
}
@Override
public List<Course> findAll() {
Iterator<Course> courseIterator = courseRepo.findAll();
List<Course> courseList = new ArrayList<>();
courseIterator.forEachRemaining(courseList::add);
return courseList;
}
}
<!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 class="p-2">
<div class="w-50 mx-auto">
<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 ID</th>
<th scope="col">Course Name</th>
<th scope="col">Vacancy Status</th>
</tr>
</thead>
<tbody th:each="course: ${courses}">
<tr>
<td th:text="${course.courseId}"></td>
<td th:text="${course.courseName}"></td>
<td th:text="${course.vacancyStatus}"></td>
</tr>
</tbody>
</table>
</div>
<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>
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<!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 class="p-2">
<div class="w-25 mx-auto">
<h3>Create new Course</h3>
<form th:action="@{/course/create}" th:object="${course}" method="post">
<div class="form-group">
<label for="nameInput">Course Name</label>
<input
th:field="*{courseName}"
type="text"
class="form-control"
id="nameInput"
aria-describedby="nameHelp"
placeholder="Enter course' name"
required
/>
<!-- bagian input field tersebut dipasangkan dengan field `name` pada `Student`.-->
<small id="nameHelp" class="form-text text-muted">Please enter unique course.</small>
</div>
<div class="form-group">
<label for="addressTextarea">Vacancy Status</label>
<textarea th:field="*{vacancyStatus}" class="form-control" id="addressTextarea" rows="3"></textarea>
</div>
<button type="submit" class="btn btn-primary my-2">Submit</button>
</form>
</div>
<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>
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