From e183c5f68145e7560bbc0ad32cacf9979a8b4fc2 Mon Sep 17 00:00:00 2001
From: "M. Margaretha Stella" <stellaa.mmskdt@gmail.com>
Date: Sun, 13 Feb 2022 02:34:05 +0700
Subject: [PATCH] Implement course page
---
.../controller/CourseController.java | 46 +++++++++++++++++++
.../DuplicateCourseNameException.java | 7 +++
.../ui/cs/advprog/turorial0/model/Course.java | 12 +++++
.../repository/CourseRepository.java | 30 ++++++++++++
.../turorial0/service/CourseService.java | 11 +++++
.../turorial0/service/CourseServiceImpl.java | 40 ++++++++++++++++
src/main/resources/templates/courseList.html | 43 +++++++++++++++++
.../resources/templates/createCourse.html | 44 ++++++++++++++++++
8 files changed, 233 insertions(+)
create mode 100644 src/main/java/id/ac/ui/cs/advprog/turorial0/controller/CourseController.java
create mode 100644 src/main/java/id/ac/ui/cs/advprog/turorial0/exception/DuplicateCourseNameException.java
create mode 100644 src/main/java/id/ac/ui/cs/advprog/turorial0/model/Course.java
create mode 100644 src/main/java/id/ac/ui/cs/advprog/turorial0/repository/CourseRepository.java
create mode 100644 src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseService.java
create mode 100644 src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseServiceImpl.java
create mode 100644 src/main/resources/templates/courseList.html
create mode 100644 src/main/resources/templates/createCourse.html
diff --git a/src/main/java/id/ac/ui/cs/advprog/turorial0/controller/CourseController.java b/src/main/java/id/ac/ui/cs/advprog/turorial0/controller/CourseController.java
new file mode 100644
index 0000000..fb5cca4
--- /dev/null
+++ b/src/main/java/id/ac/ui/cs/advprog/turorial0/controller/CourseController.java
@@ -0,0 +1,46 @@
+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";
+ }
+}
+
diff --git a/src/main/java/id/ac/ui/cs/advprog/turorial0/exception/DuplicateCourseNameException.java b/src/main/java/id/ac/ui/cs/advprog/turorial0/exception/DuplicateCourseNameException.java
new file mode 100644
index 0000000..5898d13
--- /dev/null
+++ b/src/main/java/id/ac/ui/cs/advprog/turorial0/exception/DuplicateCourseNameException.java
@@ -0,0 +1,7 @@
+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));
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/id/ac/ui/cs/advprog/turorial0/model/Course.java b/src/main/java/id/ac/ui/cs/advprog/turorial0/model/Course.java
new file mode 100644
index 0000000..6a1dd2a
--- /dev/null
+++ b/src/main/java/id/ac/ui/cs/advprog/turorial0/model/Course.java
@@ -0,0 +1,12 @@
+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;
+}
\ No newline at end of file
diff --git a/src/main/java/id/ac/ui/cs/advprog/turorial0/repository/CourseRepository.java b/src/main/java/id/ac/ui/cs/advprog/turorial0/repository/CourseRepository.java
new file mode 100644
index 0000000..0da0b7a
--- /dev/null
+++ b/src/main/java/id/ac/ui/cs/advprog/turorial0/repository/CourseRepository.java
@@ -0,0 +1,30 @@
+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();
+ }
+}
diff --git a/src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseService.java b/src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseService.java
new file mode 100644
index 0000000..f6eeb25
--- /dev/null
+++ b/src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseService.java
@@ -0,0 +1,11 @@
+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();
+}
diff --git a/src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseServiceImpl.java b/src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseServiceImpl.java
new file mode 100644
index 0000000..432ce0e
--- /dev/null
+++ b/src/main/java/id/ac/ui/cs/advprog/turorial0/service/CourseServiceImpl.java
@@ -0,0 +1,40 @@
+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;
+ }
+}
diff --git a/src/main/resources/templates/courseList.html b/src/main/resources/templates/courseList.html
new file mode 100644
index 0000000..a5f68a3
--- /dev/null
+++ b/src/main/resources/templates/courseList.html
@@ -0,0 +1,43 @@
+<!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>
\ 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 0000000..4d21e90
--- /dev/null
+++ b/src/main/resources/templates/createCourse.html
@@ -0,0 +1,44 @@
+<!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>
\ No newline at end of file
--
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