Jostein Ruen

build.gradle

@@ -31,3 +31,15 @@ dependencies {
 tasks.named('test') {
 	useJUnitPlatform()
 }
+
+jar {
+	duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+	manifest {
+		attributes 'Main-Class': 'com.booleanuk.api.Main'
+	}
+
+	from {
+		configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
+	}
+}
+

dockers/Dockerfile.txt

@@ -0,0 +1,9 @@
+FROM eclipse-temurin:18
+
+WORKDIR /app
+
+COPY docker2.jar /app/docker2.jar
+
+EXPOSE 4000
+
+ENTRYPOINT ["java", "-jar", "docker2"]

dockers/docker-compose.yml

@@ -0,0 +1,21 @@
+services:
+  app:
+    image: 'docker2:latest'
+    container_name: app
+    depends_on:
+      - db
+    ports:
+      - '4000:4000'
+    environment:
+      - SPRING_DATASOURCE_URL=jdbc:postgresql://db:5432/mypostgresuser
+      - SPRING_DATASOURCE_USERNAME=mypostgresuser
+      - SPRING_DATASOURCE_PASSWORD=mypostgrespassword
+      - SPRING_JPA_HIBERNATE_DDL_AUTO=update
+
+  db:
+    image: 'postgres:latest'
+    container_name: db
+    environment:
+      - POSTGRES_USER=mypostgresuser
+      - POSTGRES_DATABASE=mypostgresuser
+      - POSTGRES_PASSWORD=mypostgrespassword

src/main/java/com/booleanuk/api/Main.java

@@ -0,0 +1,11 @@
+package com.booleanuk.api;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Main {
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class, args);
+    }
+}

src/main/java/com/booleanuk/api/controller/TweetController.java

@@ -0,0 +1,63 @@
+package com.booleanuk.api.controller;
+
+import com.booleanuk.api.model.Tweet;
+import com.booleanuk.api.model.User;
+import com.booleanuk.api.repository.TweetRepository;
+import com.booleanuk.api.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.server.ResponseStatusException;
+
+@RestController
+@RequestMapping("tweets")
+public class TweetController {
+    @Autowired
+    private TweetRepository tweetRepository;
+    private UserRepository userRepository;
+
+    @GetMapping
+    public ResponseEntity<Iterable<Tweet>> getTweets() {
+        Iterable<Tweet> tweets = tweetRepository.findAll();
+        return ResponseEntity.ok(tweets);
+    }
+
+    @PostMapping
+    public ResponseEntity<Tweet> createTweet(@PathVariable int userId, @RequestBody Tweet tweet) {
+
+        User user = this.userRepository.findById(userId).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "No User with that ID found")
+        );
+        return new ResponseEntity<>(this.tweetRepository.save(tweet), HttpStatus.CREATED);
+    }
+
+    @GetMapping("{id}")
+    public ResponseEntity<Tweet> getTweetById(@PathVariable int id) {
+        Tweet tweet = null;
+        tweet = this.tweetRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "No Tweet with that ID found")
+        );
+        return ResponseEntity.ok(tweet);
+    }
+
+    @DeleteMapping("{id}")
+    public ResponseEntity<Tweet> deleteTweet(@PathVariable int id) {
+        Tweet tweet = this.tweetRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "No Tweet with that ID found")
+        );
+        this.tweetRepository.delete(tweet);
+        return ResponseEntity.ok(tweet);
+    }
+
+    @PutMapping("{id}")
+    public ResponseEntity<Tweet> updateTweet(@PathVariable int id, @RequestBody Tweet tweet) {
+        Tweet tweetToUpdate = this.tweetRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "No Tweet with that ID found")
+        );
+        tweet.setId(tweetToUpdate.getId());
+        return new ResponseEntity<>(this.tweetRepository.save(tweet), HttpStatus.CREATED);
+    }
+
+
+}

src/main/java/com/booleanuk/api/controller/UserController.java

@@ -0,0 +1,59 @@
+package com.booleanuk.api.controller;
+
+import com.booleanuk.api.model.User;
+import com.booleanuk.api.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.server.ResponseStatusException;
+
+@RestController
+@RequestMapping("users")
+public class UserController {
+    @Autowired
+    private UserRepository userRepository;
+
+    public UserController(UserRepository userRepository) {
+        this.userRepository = userRepository;
+    }
+
+    @GetMapping
+    public ResponseEntity<Iterable<User>> getUsers() {
+        Iterable<User> users = userRepository.findAll();
+        return ResponseEntity.ok(users);
+    }
+
+    @PostMapping
+    public ResponseEntity<User> createUser(@RequestBody User user) {
+        return ResponseEntity.ok(userRepository.save(user));
+
+    }
+
+    @GetMapping("{id}")
+    public ResponseEntity<User> getUserById(@PathVariable int id) {
+        User user = userRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "No User with that ID found")
+        );
+        return ResponseEntity.ok(user);
+    }
+
+    @PutMapping("{id}")
+    public ResponseEntity<User> updateUser(@PathVariable int id, @RequestBody User user) {
+        User userToUpdate = userRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "No User with that ID found")
+        );
+        user.setId(userToUpdate.getId());
+        return new ResponseEntity<>(userRepository.save(user), HttpStatus.CREATED);
+    }
+
+    @DeleteMapping("{id}")
+    public ResponseEntity<User> deleteUser(@PathVariable int id) {
+        User user = userRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "No User with that ID found")
+        );
+        userRepository.delete(user);
+        return ResponseEntity.ok(user);
+    }
+
+}

src/main/java/com/booleanuk/api/model/Tweet.java

@@ -0,0 +1,43 @@
+package com.booleanuk.api.model;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "Tweets")
+public class Tweet {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+
+    @Column
+    private String tweetContent;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id", referencedColumnName = "id")
+    private User user;
+
+    public Tweet() {
+    }
+
+    public Tweet(String tweetContent, User user) {
+        this.tweetContent = tweetContent;
+        this.user = user;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getTweetContent() {
+        return tweetContent;
+    }
+
+    public void setTweetContent(String tweetContent) {
+        this.tweetContent = tweetContent;
+    }
+
+}

src/main/java/com/booleanuk/api/model/User.java

@@ -0,0 +1,50 @@
+package com.booleanuk.api.model;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.*;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "Users")
+public class User {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+
+    @Column
+    private String username;
+
+    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
+    @JsonIgnore
+    private List<Tweet> tweets = new ArrayList<>();
+
+    public User() {
+    }
+
+    public User(String username) {
+        this.username = username;
+    }
+    // Getters and Setters
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+
+
+}

src/main/java/com/booleanuk/api/repository/TweetRepository.java

@@ -0,0 +1,7 @@
+package com.booleanuk.api.repository;
+
+import com.booleanuk.api.model.Tweet;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface TweetRepository extends JpaRepository<Tweet, Integer> {
+}

src/main/java/com/booleanuk/api/repository/UserRepository.java

@@ -0,0 +1,11 @@
+package com.booleanuk.api.repository;
+
+import com.booleanuk.api.model.Tweet;
+import com.booleanuk.api.model.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface UserRepository extends JpaRepository<User, Integer> {
+    List<Tweet> findByUser(User user);
+}

src/main/java/com/booleanuk/api/response/ErrorResponse.java

@@ -0,0 +1,16 @@
+package com.booleanuk.api.response;
+public class ErrorResponse {
+    private String message;
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public ErrorResponse(String message) {
+        this.message = message;
+    }
+}

src/main/java/com/booleanuk/api/response/Response.java

@@ -0,0 +1,20 @@
+package com.booleanuk.api.response;
+
+public class Response<T> {
+    private String status;
+    private T data;
+
+    public Response(String status, T data) {
+        this.status = status;
+        this.data = data;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+}