Implement Course Page

2c5b4fe2 · Samuel Sharon · 63ac8cc7 · 2c5b4fe2 · 2c5b4fe2 · 2c5b4fe2
Commit 2c5b4fe2 authored Feb 13, 2022 by Samuel Sharon
--- 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
+package id.ac.ui.cs.advprog.tutorial0.controller;
+
+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> allCourses = service.findAll();
+        model.addAttribute("courses", allCourses);
+        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) {
+        service.create(course);
+        return "redirect:list";
+    }
+
+}
--- 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
+package id.ac.ui.cs.advprog.tutorial0.model;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter @Setter
+public class Course {
+    private String id;
+    private String name;
+    private Boolean vacancyStatus = true;
+
+}
--- 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
+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> coursesInMemory = new ArrayList<>();
+
+    public Course create(Course course) {
+        coursesInMemory.add(course);
+        return course;
+    }
+
+    public Iterator<Course> findAll() {
+        return coursesInMemory.iterator();
+    }
+}
--- 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
+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();
+}
\ No newline at end of file
--- a/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImpl.java
+++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImpl.java
+package id.ac.ui.cs.advprog.tutorial0.service;
+
+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 CourseServiceImpl implements CourseService {
+
+    @Autowired
+    private CourseRepository courseRepository;
+
+    @Override
+    public Course create(Course course) {
+        generateID(course);
+        courseRepository.create(course);
+        return course;
+    }
+
+    private void generateID(Course course) {
+        StringBuilder stringBuilder = new StringBuilder();
+        for (char letter: course.getName().toCharArray()) {
+            stringBuilder.append(String.valueOf((int)letter));
+        }
+        String id = stringBuilder.toString();
+        course.setId(id);
+    }
+
+    @Override
+    public List<Course> findAll() {
+        Iterator<Course> courseIterator = courseRepository.findAll();
+        List<Course> allCourses = new ArrayList<>();
+        courseIterator.forEachRemaining(allCourses::add);
+        return allCourses;
+    }
+}
--- a/src/main/resources/templates/courseList.html
+++ b/src/main/resources/templates/courseList.html
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <title>Student 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">Name</th>
+        <th scope="col">ID</th>
+        <th scope="col">Vacancy</th>
+    </tr>
+    </thead>
+    <tbody th:each="course: ${courses}">
+    <tr>
+        <td th:text="${course.name}"></td>
+        <td th:text="${course.id}"></td>
+        <td th:text="${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
--- a/src/main/resources/templates/createCourse.html
+++ b/src/main/resources/templates/createCourse.html
+<!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>
+<form th:action="@{/course/create}" th:object="${course}" method="post">
+  <div class="form-group">
+    <label for="nameInput">Name</label>
+    <input th:field="*{name}" type="text" class="form-control" id="nameInput" aria-describedby="nameHelp" placeholder="Enter course name">
+  </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