First Commit

src/main/java/net/tokishu/note/NotesApplication.java

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+package net.tokishu.note;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class NotesApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(NotesApplication.class, args);
+	}
+
+}

src/main/java/net/tokishu/note/controller/NotesController.java

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+package net.tokishu.note.controller;
+
+import net.tokishu.note.model.Note;
+import net.tokishu.note.service.NoteService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+public class NotesController {
+
+    @Autowired
+    private NoteService noteService;
+
+    @GetMapping("/notes")
+    public List<Note> getAll(){
+        return noteService.getAll();
+    }
+
+    @PostMapping("/note")
+    public Note add(@RequestBody Note note){
+        return noteService.add(note);
+    }
+
+    @PutMapping("/note/{id}")
+    public Note update(@PathVariable Long id, @RequestBody Note note){
+        return noteService.update(id, note);
+    }
+
+    @DeleteMapping("/note/{id}")
+    public void delete(@PathVariable Long id){
+        noteService.delete(id);
+    }
+}

src/main/java/net/tokishu/note/model/Note.java

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+package net.tokishu.note.model;
+
+public class Note {
+    private Long id;
+    private String name;
+    private String text;
+
+    public Note(Long id, String name, String text) {
+        this.id = id;
+        this.name = name;
+        this.text = text;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getText() {
+        return text;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+    }
+
+    @Override
+    public String toString() {
+        return "Note{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", text='" + text + '\'' +
+                '}';
+    }
+}

src/main/java/net/tokishu/note/service/NoteService.java

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+package net.tokishu.note.service;
+
+import net.tokishu.note.model.Note;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.NoSuchElementException;
+import java.util.concurrent.atomic.AtomicLong;
+
+@Service
+public class NoteService {
+    private List<Note> notes = new ArrayList<>();
+    private AtomicLong idGenerator = new AtomicLong(1);
+
+    public List<Note> getAll(){
+        return notes;
+    }
+
+    public Note add(Note note){
+        note.setId(idGenerator.getAndIncrement());
+        notes.add(note);
+        return note;
+    }
+
+    public Note update(Long id, Note updatedNote){
+        for (Note note : notes){
+            if (note.getId().equals(id)) {
+                note.setName(updatedNote.getName());
+                note.setText(updatedNote.getText());
+                return note;
+            }
+        }
+        throw new NoSuchElementException("Note not found");
+    }
+
+    public void delete(Long id){
+        notes.removeIf(note -> note.getId().equals(id));
+    }
+}

src/main/resources/application.properties

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+spring.application.name=notes
+spring.mvc.servlet.path=/api

src/test/java/net/tokishu/note/NotesApplicationTests.java

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+package net.tokishu.note;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class NotesApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

src/test/java/net/tokishu/note/service/NoteServiceTest.java

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+package net.tokishu.note.service;
+
+import net.tokishu.note.model.Note;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+import static org.junit.jupiter.api.Assertions.*;
+
+public class NoteServiceTest {
+
+    private NoteService noteService;
+
+    @BeforeEach
+    void setUp(){
+        noteService = new NoteService();
+    }
+
+    @Test
+    void addAndGetAllNotes(){
+        Note note = new Note(1L, "QQ", "Test content");
+        noteService.add(note);
+
+        List<Note> notes = noteService.getAll();
+        assertEquals(1, notes.size());
+        assertEquals("QQ", notes.get(0).getName());
+    }
+
+    @Test
+    void updateNote() {
+        Note note = new Note(1L, "Old QQ", "Old test content");
+        noteService.add(note);
+
+        Note updatedNote = new Note(1L, "New day, new qq :3", "New test content");
+        noteService.update(1L, updatedNote);
+
+        Note result = noteService.getAll().get(0);
+        assertEquals("New day, new qq :3", result.getName());
+    }
+
+    @Test
+    void deleteNote() {
+        noteService.add(new Note(1L, "Bye bye :(", "content"));
+        noteService.delete(1L);
+
+        assertTrue(noteService.getAll().isEmpty());
+    }
+}