diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/controller/StudentController.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/controller/StudentController.java new file mode 100644 index 0000000000000000000000000000000000000000..a1ddf2b8cc98a1024d37377c70db98662dced494 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/controller/StudentController.java @@ -0,0 +1,48 @@ +package id.ac.ui.cs.advprog.tutorial0.controller; + +import id.ac.ui.cs.advprog.tutorial0.exception.DuplicateStudentnameException; +import id.ac.ui.cs.advprog.tutorial0.model.Student; +import id.ac.ui.cs.advprog.tutorial0.service.StudentService; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Controller; +import org.springframework.ui.Model; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.ModelAttribute; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestMapping; + +import java.util.List; + +@Controller +@RequestMapping("/student") +public class StudentController { + + @Autowired + private StudentService service; + + @GetMapping("/list") + public String studentListPage(Model model) { + List<Student> allStudents = service.findAll(); + model.addAttribute("students", allStudents); + return "studentList"; + } + + @GetMapping("/create") + public String createStudentPage(Model model) { + Student student = new Student(); + model.addAttribute("student", student); + return "createStudent"; + } + + @PostMapping("/create") + public String createStudentPost(@ModelAttribute Student student, Model model) { + try { + service.create(student); + } catch (DuplicateStudentnameException e) { + model.addAttribute("error", e); + model.addAttribute("student", student); + return "createStudent"; + } + return "redirect:list"; + } +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/exception/DuplicateStudentnameException.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/exception/DuplicateStudentnameException.java new file mode 100644 index 0000000000000000000000000000000000000000..e920ddc830fe2abe9e3deaedc0e3754f1ef1e1bc --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/exception/DuplicateStudentnameException.java @@ -0,0 +1,8 @@ +package id.ac.ui.cs.advprog.tutorial0.exception; + +public class DuplicateStudentnameException extends RuntimeException { + + public DuplicateStudentnameException(String studentName) { + super(String.format("The student name %s is a duplicate!", studentName)); + } +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/model/Student.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/model/Student.java new file mode 100644 index 0000000000000000000000000000000000000000..ae9d3318ead4b0716e95bf2269ed62993f7bccfb --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/model/Student.java @@ -0,0 +1,11 @@ +package id.ac.ui.cs.advprog.tutorial0.model; + +import lombok.Getter; +import lombok.Setter; + +@Getter @Setter +public class Student { + private String name; + private String npm; + private String address; +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/repository/StudentRepository.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/repository/StudentRepository.java new file mode 100644 index 0000000000000000000000000000000000000000..50ab32fb9f06041b7b5a3725de65e37a3268aa14 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/repository/StudentRepository.java @@ -0,0 +1,21 @@ +package id.ac.ui.cs.advprog.tutorial0.repository; + +import id.ac.ui.cs.advprog.tutorial0.model.Student; +import org.springframework.stereotype.Repository; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +@Repository +public class StudentRepository { + private List<Student> studentsInMemory = new ArrayList<>(); + public Student create(Student student) { + studentsInMemory.add(student); + return student; + } + + public Iterator<Student> findAll() { + return studentsInMemory.iterator(); + } +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/StudentService.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/StudentService.java new file mode 100644 index 0000000000000000000000000000000000000000..e6d77e0d11ff3d379a93613d3bb2d784494bdde9 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/StudentService.java @@ -0,0 +1,10 @@ +package id.ac.ui.cs.advprog.tutorial0.service; + +import id.ac.ui.cs.advprog.tutorial0.model.Student; + +import java.util.List; + +public interface StudentService { + public Student create(Student student); + public List<Student> findAll(); +} diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/StudentServiceImpl.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/StudentServiceImpl.java new file mode 100644 index 0000000000000000000000000000000000000000..901254a9fa5f932d3507d0b730dbe447d64aba50 --- /dev/null +++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/StudentServiceImpl.java @@ -0,0 +1,45 @@ +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.Student; +import id.ac.ui.cs.advprog.tutorial0.repository.StudentRepository; +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 StudentServiceImpl implements StudentService { + + @Autowired + private StudentRepository studentRepository; + + @Override + public Student create(Student student) { + validateName(student); + generateNPM(student); + studentRepository.create(student); + return student; + } + private void validateName(Student student) { + List<Student> allStudents = findAll(); + for(Student dbStudent: allStudents) { + if(dbStudent.getName().equals(student.getName())) { + throw new DuplicateStudentnameException(student.getName()); + } + } + } + + private void generateNPM(Student student) { + } + + @Override + public List<Student> findAll() { + Iterator<Student> studentIterator = studentRepository.findAll(); + List<Student> allStudents = new ArrayList<>(); + studentIterator.forEachRemaining(allStudents::add); + return allStudents; + } +} diff --git a/src/main/resources/templates/createStudent.html b/src/main/resources/templates/createStudent.html new file mode 100644 index 0000000000000000000000000000000000000000..a42294a504b6819a3fef004156e824b92bd4a1a7 --- /dev/null +++ b/src/main/resources/templates/createStudent.html @@ -0,0 +1,27 @@ +<!DOCTYPE html> +<html lang="en" xmlns:th="http://www.thymeleaf.org"> +<head> + <meta charset="UTF-8"> + <title>Create new Student</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 Student</h3> +<div th:if="${error!=null}" class="alert alert-danger" role="alert"> + Duplicate student name +</div> +<form th:action="@{/student/create}" th:object="${student}" 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 student' name"> + <small id="nameHelp" class="form-text text-muted">Please enter unique name.</small> + </div> + <div class="form-group"> + <label for="addressTextarea">Address</label> + <textarea th:field="*{address}" class="form-control" id="addressTextarea" rows="3"></textarea> + </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 diff --git a/src/main/resources/templates/studentList.html b/src/main/resources/templates/studentList.html new file mode 100644 index 0000000000000000000000000000000000000000..9a814a3644a522e8c64e518e8ed7d9ab30593df7 --- /dev/null +++ b/src/main/resources/templates/studentList.html @@ -0,0 +1,30 @@ +<!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>Student's List</h2> + <a th:href="@{/student/create}" class="btn btn-primary btn-sm mb-3">Create student</a> + + <table class="table"> + <thead> + <tr> + <th scope="col">Name</th> + <th scope="col">NPM</th> + <th scope="col">Address</th> + </tr> + </thead> + <tbody> + <tr> + <td th:text="${student.name}"></td> + <td th:text="${student.npm}"></td> + <td th:text="${student.address}"></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