# Lab1 Code
###### tags: `CTBC-Lab1` `CTBC`
:::spoiler

:::

## src/main/java
### com.ctbcbank.boot.lab1
:::spoiler Lab1Application

package com.ctbc.boot.lab1;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class Lab1Application {

	public static void main(String[] args) {
		SpringApplication.run(Lab1Application.class, args);
	}

}

:::
### com.ctbcbank.boot.lab1.model
:::spoiler Course

package com.ctbc.boot.lab1.model;

import java.util.UUID;

import lombok.Getter;
import lombok.Setter;

@Getter
@Setter
public class Course {

	private UUID courseId; // 識別碼
	private String courseName; // 課程名稱
	private int coursePrice; // 價錢
	private String courseTeacher; // 授課老師
	private CourseCategory courseCategory; 
	
	public Course(String courseName, int coursePrice, String courseTeacher,
			CourseCategory courseCategory) {
		super();
		this.courseId = UUID.randomUUID();
		this.courseName = courseName;
		this.coursePrice = coursePrice;
		this.courseTeacher = courseTeacher;
		this.courseCategory = courseCategory;
	}

	@Override
	public String toString() {
		return "Course {courseId=[" + courseId + "], courseName=[" + courseName + "], coursePrice=[" + coursePrice
				+ "], courseTeacher=[" + courseTeacher + "], courseCategory=[" + courseCategory + "]}";
	}
	
//	public Course(String courseName, int coursePrice, String courseTeacher) {
//		this.courseId = UUID.randomUUID().toString();
//		this.courseName = courseName;
//		this.coursePrice = coursePrice;
//		this.courseTeacher = courseTeacher;
//	}
}
}

:::

:::spoiler CourseCategory

package com.ctbc.boot.lab1.model;

import java.util.ArrayList;
import java.util.UUID;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@NoArgsConstructor //無參建構子
@AllArgsConstructor //有參建構子
public class CourseCategory {
	// 無參/有參建構子 
//	public  CourseCategory(){
//		
//	}
//	CourseCategory(String categoryID , String categoryName ,String detail){
//		this.categoryID =categoryID;
//		this.categoryName = categoryName;
//		this.detail = detail;
//	}
	
	// 屬性
	private UUID categoryID; // 類別的識別碼
	private String categoryName; // 名稱
	private String detail; // 細節
	private ArrayList<Course> courseList; 
	
	// 建構子
	public CourseCategory(String categoryName, String detail) {
		this.categoryID = UUID.randomUUID(); // 改UUID
		this.categoryName = categoryName;
		this.detail = detail;
		this.courseList = courseList;
	}
	
	public void AddCourseToCategory(Course course){
		this.courseList = new ArrayList<>(); // ??
		this.courseList.add(course);
	}
	
	@Override
	public String toString() {
		return "CourseCategory {categoryID=[" + categoryID + "], categoryName=[" + categoryName + "], detail=[" + detail
				+ "]}";
	}
}

:::
### com.ctbcbank.boot.lab1.service
:::spoiler CourseCategoryService

package com.ctbc.boot.lab1.service;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import com.ctbc.boot.lab1.model.CourseCategory;


public interface CourseCategoryService {
	public static ArrayList<CourseCategory> categories = new ArrayList<CourseCategory>();
	public static Map<UUID, CourseCategory> categoryMap = new HashMap<>();
	
	// 列出所有的課程
    ArrayList<CourseCategory> getAllCategory();
    // 依照屬性新增課程,並且傳回課程??
    CourseCategory addCategory(String categoryName, String detail);
    // 依照鍵值刪除課程
    CourseCategory removeCategory(UUID categoryID,CourseCategory coursecategory);
    // 依照鍵值與新的值修改,並且傳回修改後的課程
    CourseCategory updateCategory(String categoryID,String newName, String categoryName, String detail);
}

:::

:::spoiler CourseCategoryServiceJDKImplement

package com.ctbc.boot.lab1.service;

// 2.2.1

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import com.ctbc.boot.lab1.model.CourseCategory;

public class CourseCategoryServiceJDKImplement implements CourseCategoryService {
	private Map<UUID, CourseCategory> categoryMap = new HashMap<>();
	
	public CourseCategoryServiceJDKImplement() {
		this.categoryMap = new HashMap<>();
	}
	
	

	@Override
	public ArrayList<CourseCategory> getAllCategory() {
		return categories;
	}

	// 2.1.1.2
	@Override
	public CourseCategory addCategory(String categoryName, String detail) {
		CourseCategory category = new CourseCategory(categoryName, detail);
		categories.add(category);
		categoryMap.put(category.getCategoryID(), category);
		return category;
	}

	@Override
	public CourseCategory removeCategory(UUID categoryID,CourseCategory coursecategory) {
		CourseCategory category = categoryMap.get(categoryID);
		if (category != null) {
			categories.remove(category);
			categoryMap.remove(categoryID);
		}
		return category;
	}

	@Override
	public CourseCategory updateCategory(String categoryID, String newName, String categoryName, String detail) {
		CourseCategory category = categoryMap.get(categoryID);
		if (category != null) {
			if (newName != null) {
				category.setCategoryName(categoryName);
				categoryMap.remove(categoryID); // 移除舊課程
				categoryMap.put(category.getCategoryID(), category);
			}
			if (detail != null) { // 為什麼要用大寫的Integer??
				category.setDetail(detail);
			}
		}
		return category;
	}

	// Exception
	public class CategoryIdNotFound extends Exception {
		public CategoryIdNotFound(String message) {
			super(message);
		}
	}

	public CourseCategory getCategoryById(String categoryId) throws CategoryIdNotFound {
		CourseCategory category = categoryMap.get(categoryId);
		if (category == null) {
			throw new CategoryIdNotFound("Category ID not found: " + categoryId);
		}
		return category;
	}
}

:::

:::spoiler CourseService

package com.ctbc.boot.lab1.service;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import org.springframework.stereotype.Service;

import com.ctbc.boot.lab1.model.Course;
import com.ctbc.boot.lab1.model.CourseCategory;
import com.ctbc.boot.lab1.service.CourseServiceJDKImplement.CourseNameDuplicate;



@Service
public interface CourseService {
	public static ArrayList<Course> courses = new ArrayList<Course>();
    public static Map<UUID, Course> courseMap = new HashMap<>(); // UUID, Course
    
    /*
    建構子??
    CourseService() {
        courses = new ArrayList<>();
        courseMap = new HashMap<>();
    }
    */
    // 列出所有的課程
    ArrayList<Course> getAllCourses();
    // 依照屬性新增課程,並且傳回課程??
    Course addCourse(String courseName, int coursePrice, String courseTeacher, CourseCategory coursecategory) throws CourseNameDuplicate;
    // 依照鍵值刪除課程
    Course removeCourse(UUID courseId,Course course);
    // 依照鍵值與新的值修改,並且傳回修改後的課程
    Course updateCourse(UUID courseId,String newName, Integer newPrice, String newTeacher,CourseCategory coursecategory);
    Course testcourseMapget(String courseName);
    
}

:::

:::spoiler CourseServiceJDKImplement

package com.ctbc.boot.lab1.service;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import com.ctbc.boot.lab1.model.Course;
import com.ctbc.boot.lab1.model.CourseCategory;
import com.ctbc.boot.lab1.service.CourseCategoryServiceJDKImplement.CategoryIdNotFound;


public class CourseServiceJDKImplement implements CourseService {
	public ArrayList<Course> courses;
	public Map<UUID, Course> courseMap;

	// 建構子?? // 應該要在哪邊初始化才對??
	public CourseServiceJDKImplement() {
		this.courses = new ArrayList<>();
		this.courseMap = new HashMap<>();
	}

	// 查詢全部
	@Override
	public ArrayList<Course> getAllCourses() {
//		Course course2 = new Course("Java",100,"Mark",(new CourseCategory("Java", "Programming")));
//		courses.add(course2);
//		courseMap.put("Java", course2);
		return courses;
	}

	// 新增
	@Override
	public Course addCourse(String courseName, int coursePrice, String courseTeacher, CourseCategory coursecategory)
			throws CourseNameDuplicate {
		for (Course c : courses) {
			if (c.getCourseName().contains(courseName)) {
				System.out.println("courseName重複");
				throw new CourseNameDuplicate("CourseName already exist: " + courseName);
			}
		}
		// String categoryName = coursecategory.getCategoryName();

		Course course = new Course(courseName, coursePrice, courseTeacher, coursecategory);
		coursecategory.AddCourseToCategory(course); // 
		System.out.println("coursecategory : " + coursecategory.getCourseList().toString());
		
		courses.add(course);
		courseMap.put(course.getCourseId(), course); // ex : "Java", course類別
		return course;

		// String categoryName = coursecategory.getCategoryName();

//			Course course = new Course(courseName, coursePrice, courseTeacher,coursecategory);
//			courses.add(course);
//			courseMap.put(course.getCourseName(), course); // ex : "Java", course類別

	}

	// 刪除
	@Override
	public Course removeCourse(UUID courseId, Course course) {
//		Course course2 = new Course("Java",100,"Mark",(new CourseCategory("Java", "Programming")));
//		courses.add(course2);
//		courseMap.put("Java", course2);

//		Course course = courseMap.get(courseId);
//		System.out.println(course.toString());

		// course.setCourseId(null);

		if (courseMap.containsKey(courseId) && course.getCourseId() == courseId) {
			courses.remove(course);
			courseMap.remove(course.getCourseId());
		}
		return course;
	}

	// 修改
	@Override
	public Course updateCourse(UUID courseId, String newName, Integer newPrice, String newTeacher,
			CourseCategory coursecategory) {
//		Course course2 = new Course("Java",100,"Mark",(new CourseCategory("Java", "Programming")));
//		courses.add(course2);
//		courseMap.put("Java", course2);

//		Course course = courseMap.get(courseName); // 拿出一堂課程類別
//		System.out.println("course : " + course);
//		UUID courseId = course.getCourseId(); // 拿到該類別的ID

		// System.out.println("courseId : " + courseId + "[使用course.setCourseId(null)模擬Id為null的錯誤]");

//		System.out.println("courseId1 : " + courseId + " [改掉courseI，測試UUID錯誤時修改傳回為空]");
//		course.setCourseId(UUID.randomUUID()); // 2.2.2.4
//		System.out.println("courseId2 : " + courseMap.get(courseName).getCourseId());

		for (Course c : courses) {
			// System.out.println("c : " + c.toString());
			if (c.getCourseId().equals(courseId)) {
				// System.out.println(c.toString());

				if (courseId != null) {
					if (c != null) {
						if (newName != null) {
							c.setCourseName(newName);
							courseMap.remove(courseId); // 移除舊課程
							courseMap.put(courseId, c);
						}
						if (newPrice != null) { // 為什麼要用大寫的Integer??
							c.setCoursePrice(newPrice);
						}
						if (newTeacher != null) {
							c.setCourseTeacher(newTeacher);
						}
					}
					return c;
				}
			} else {
				return null;
			}

		}
		return null;
	}

	// Exception
	public class CourseNameDuplicate extends Exception {
		public CourseNameDuplicate(String message) {
			super(message);
		}
	}

	@Override
	public Course testcourseMapget(String courseName) {
		Course course = new Course("Java", 100, "Mark", (new CourseCategory("Java", "Programming")));
		courseMap.put(course.getCourseId(), course);
		Course course2 = courseMap.get(courseName); // 拿出一堂課程類別
		return course2;
	}
}

:::

## src/test/java
### com.ctbcbank.boot.lab1
:::spoiler Lab1ApplicationTests

package com.ctbc.boot.lab1;

import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
class Lab1ApplicationTests {

	@Test
	void contextLoads() {
	}

}

:::

### com.ctbcbank.boot.lab1.lab3
:::spoiler CourseCategoryTest

package com.ctbc.boot.lab1.lab3;


//Test 
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.fail;

import java.util.ArrayList;
import java.util.Locale.Category;

import org.junit.jupiter.api.Test;

import com.ctbc.boot.lab1.model.CourseCategory;
import com.ctbc.boot.lab1.service.CourseCategoryService;
import com.ctbc.boot.lab1.service.CourseCategoryServiceJDKImplement;


//import static
import static org.assertj.core.api.Assertions.assertThat;

public class CourseCategoryTest {
	
	private CourseCategoryServiceJDKImplement categoryService;
	
	@BeforeEach
	public void setup() {
		this.categoryService = new CourseCategoryServiceJDKImplement(); // 要加上BeforeEach
	}
	
	//private CourseCategoryService service;
	@Test
	public void testGetAllCategory() {
		ArrayList<CourseCategory> categories = this.categoryService.getAllCategory();
		Assertions.assertNotNull(categories);
		Assertions.assertTrue(categories.isEmpty());
	}
	
	@Test
	public void testAddCategory() {
		String categoryName = "Programming";
		String detail = "Computer Technical";
		
		CourseCategory coursecategory = this.categoryService.addCategory(categoryName, detail);
		CourseCategory coursecategory2 = this.categoryService.addCategory("Web", "Angular");
		System.out.println(coursecategory.toString());
		System.out.println(coursecategory2.toString());
		
//		Assertions.assertNotNull(coursecategory);
//		Assertions.assertEquals(categoryName,coursecategory.getCategoryName());
		
		this.categoryService.categories.get(0).setCategoryID(null);
		System.out.println(coursecategory.toString());
		
	}
}

:::

:::spoiler CourseServiceTest

package com.ctbc.boot.lab1.lab3;

import java.util.ArrayList;
import java.util.UUID;

import javax.sound.midi.Soundbank;

//Test 
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
import static org.assertj.core.api.Assertions.from;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.Test;

//MockMvc
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.test.web.servlet.MockMvc;
import static org.mockito.Mockito.when;

//
import com.ctbc.boot.lab1.model.Course;
import com.ctbc.boot.lab1.model.CourseCategory;
import com.ctbc.boot.lab1.service.CourseService;
import com.ctbc.boot.lab1.service.CourseServiceJDKImplement;
import com.ctbc.boot.lab1.service.CourseServiceJDKImplement.CourseNameDuplicate;

import net.bytebuddy.asm.Advice.This;

public class CourseServiceTest {

	private CourseServiceJDKImplement courseService;

	@BeforeEach
	public void setup() {
		this.courseService = new CourseServiceJDKImplement();
	}

	// private CourseService service;
	
	// 查詢全部
	//@Test
	@Order(1) 
	public void testGetAllCourses() {
		ArrayList<Course> courses = this.courseService.getAllCourses(); // 為什麼要this.
		System.out.println("\n1. testGetAllCourses (3.1 服務生成時可以取出所有的但是是為空)");
		System.out.println(courses.toString() + "\n");
		Assertions.assertNotNull(courses); // expected: <null> but was: <[]>
		Assertions.assertTrue(courses.isEmpty());
		//Assertions.fail("錯誤");
		
	}
	
	// 新增
	//@Test
	@Order(2)	
	public void testAddCourse() throws CourseNameDuplicate {
		System.out.println("\n2. testAddCourse");
		String courseName = "Java";
		int coursePrice = 100;
		String courseTeacher = "Mark";
		CourseCategory coursecategory = new CourseCategory("Java", "Programming");
		
		
		//3.3 測試加入多筆之後比較內容
		Course course = this.courseService.addCourse(courseName, coursePrice, courseTeacher, coursecategory);
		//---------------------------------------------------------------------------------------		
		System.out.println("加入1筆");
		System.out.println("courses = \n" + course.toString());
		System.out.println("\ncourseMap = \n" + this.courseService.courseMap.toString());
		Assertions.assertNotNull(course);
		Assertions.assertEquals(courseName, course.getCourseName());
		Assertions.assertEquals(this.courseService.courses.size(), 1);
		//---------------------------------------------------------------------------------------
		Course course3 = this.courseService.addCourse("Spring", 300, "Kevin", (new CourseCategory("Java", "Programming")));
		Assertions.assertEquals(this.courseService.courses.size(), 2);
		

//		 5.1 課程名稱重複的例外
//		Course course = this.courseService.addCourse(courseName, coursePrice, courseTeacher, coursecategory);
//		Course course2 = this.courseService.addCourse(courseName, coursePrice, courseTeacher, coursecategory); // , (new CourseCategory("Web", "Angular"))
//		System.out.println(course.toString());
//		System.out.println(course2.toString());
		
	}

	
	// 刪除
	@Test
	public void testRemoveCourse() throws CourseNameDuplicate {
		System.out.println("\n3. testRemoveCourse");
		CourseCategory courseCategory = new CourseCategory("Java", "Programming");
		Course course2 = this.courseService.addCourse("Java", 100, "Mark", courseCategory);
		Course course3 = this.courseService.addCourse("Spring", 300, "Kevin", (new CourseCategory("Java", "Programming")));
		
		//this.courseService.courses.get(0).setCourseId(null); // 3.5 測試UUID不存在時刪除沒有影響
		int couseSize = this.courseService.courses.size();
		System.out.println("刪除前串列大小 : " + Integer.toString(couseSize));
		System.out.println(this.courseService.courses.toString());
		Assertions.assertEquals(couseSize, 2);

		Course status = this.courseService.removeCourse(course2.getCourseId(),course2);
		int couseSize2 = this.courseService.courses.size();
		System.out.println("刪除項 : " + status);
		System.out.println("刪除後串列大小 : " + Integer.toString(couseSize2));
		System.out.println(this.courseService.courses.toString() + "\n");
		Assertions.assertEquals(couseSize2, 1);
	}

	//@Test
	@Order(3)
	// 修改
	public void testUpdateCourse() throws CourseNameDuplicate {
		System.out.println("4. testUpdateCourse");
		System.out.println("修改前");
		Course course2 = this.courseService.addCourse("Java", 100, "Mark", (new CourseCategory("Java", "Programming")));
		// System.out.println("courseId : [" +
		// this.courseService.courses.get(0).getCourseId() + "]");

		String courseName = "C++"; // "Java"
		String newName = "Spring Boot";
		int newPrice = 200;
		String newTeacher = "Brian";
		CourseCategory coursecategory = new CourseCategory("Java", "Programming");
		//Course course = new Course(newName, newPrice, newTeacher, coursecategory);
		                                    //Course updateCourse(String courseId,String newName, Integer newPrice, String newTeacher,CourseCategory coursecategory);
		for (Course c : this.courseService.courses) {
			//System.out.println("c : " + c.toString());
			if (c.getCourseName().equals(courseName)) {
				System.out.println("c : " + c.toString());
				Course course = this.courseService.updateCourse(c.getCourseId(),newName,newPrice,newTeacher,coursecategory);
				System.out.println("修改後");
				System.out.println(course.toString());
			} else {
				System.out.println((String) null + " [UUID錯誤，修改傳回為空]");
			}
		}
		
		
		
		
//		if (course == null) {
//			System.out.println((String) null + " [查無courseId，return null]");
//		} else {
//			System.out.println("\n修改後");
//			System.out.println(course.toString() + "\n");
//		}

	}

	public void testcourseMapget() {
		Course course = this.courseService.testcourseMapget("Java");
		System.out.println("test : " + course);

	}

}

:::

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