done

Dockerfile

@@ -0,0 +1,9 @@
+FROM openjdk:17-jdk-slim
+
+WORKDIR /app
+
+COPY build/libs/*.jar app.jar
+
+EXPOSE 4000
+
+CMD ["java", "-jar", "app.jar"]

docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.8'
+
+services:
+  app:
+    build: .
+    ports:
+      - "4001:4000"
+    depends_on:
+      - db
+    environment:
+      - SPRING_DATASOURCE_URL=jdbc:postgresql://db:5432/jokedb
+      - SPRING_DATASOURCE_USERNAME=user
+      - SPRING_DATASOURCE_PASSWORD=password
+    networks:
+      - app-network
+
+  db:
+    image: postgres:15
+    environment:
+      - POSTGRES_DB=jokedb
+      - POSTGRES_USER=user
+      - POSTGRES_PASSWORD=password
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+    networks:
+      - app-network
+
+volumes:
+  postgres_data:
+
+networks:
+  app-network:
+    driver: bridge

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

@@ -0,0 +1,50 @@
+package com.booleanuk;
+
+import com.booleanuk.model.Joke;
+import com.booleanuk.repository.JokeRepository;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@SpringBootApplication
+public class Main implements CommandLineRunner {
+    private final JokeRepository jokeRepository;
+
+    public Main(JokeRepository jokeRepository) {
+        this.jokeRepository = jokeRepository;
+    }
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class, args);
+    }
+
+
+    @Override
+    public void run(String... args) throws Exception {
+        List<Joke> jokes = new ArrayList<>();
+        if(this.jokeRepository.findAll().isEmpty()) {
+            jokes.add(new Joke("V2h5IHdhcyB0aGUgbXVzaWNpYW4gYXJyZXN0ZWQ/IEhlIGdvdCBpbiB0cmVibGUu"));
+            jokes.add(new Joke("SGUgd2FzIGEgcmVhbCBnZW50bGVtZW4gYW5kIGFsd2F5cyBvcGVuZWQgdGhlIGZyaWRnZSBkb29yIGZvciBtZQ=="));
+            jokes.add(new Joke("V2hhdCBzaG91bGQgeW91IGRvIGJlZm9yZSBjcml0aWNpemluZyBQYWMtTWFuPyBXQUtBIFdBS0EgV0FLQSBtaWxlIGluIGhpcyBzaG9lcw=="));
+            jokes.add(new Joke("V2h5IGRvIHlvdSBuZXZlciBzZWUgZWxlcGhhbnRzIGhpZGluZyBpbiB0cmVlcz8gJ0NhdXNlIHRoZXkgYXJlIGZyZWFraW5nIGdvb2QgYXQgaXQ="));
+            jokes.add(new Joke("V2hhdCBkbyB5b3UgY2FsbCBhIHBvdGF0byBpbiBzcGFjZT8gU3B1ZG5paw=="));
+            jokes.add(new Joke("V2h5IGRpZCB0aGUgY2hpY2tlbiBob2xkIGEgc2VhbmNlPyBUbyBnZXQgdG8gdGhlIG90aGVyIHNpZGUu"));
+            jokes.add(new Joke("V2hlcmUgZG8gYmFieSBjb3dzIGdvIHRvIGVhdCBsdW5jaD8gQXQgdGhlIGNhbGYtZXRlcmlhLg=="));
+            jokes.add(new Joke("SSBhbSBsb29raW5nIGZvcndhcmQgdG8gNnBtIFRoYW5rc2dpdmluZyBEYXkgd2hlbiBXYWxtYXJ0IG9wZW5zIGl0cyBkb29ycyBmb3IgaXRzIGFubnVhbCBzYWxlIG9mIHRyYW1wbGVkIGh1bWFuIGNvcnBzZXMu"));
+            jokes.add(new Joke("V2hhdCBkaWQgdGhlIGNhciBzYWlkIHRvIHRoZSB2YWxldD8gSSd2ZSBiZWVuIHRocm91Z2ggYSBsb3Qu"));
+            jokes.add(new Joke("SSB3YXMgZHJpbmtpbmcgYXQgdGhlIGJhciwgc28gSSB0b29rIGEgYnVzIGhvbWUuIFRoYXQgbWF5IG5vdCBiZSBhIGJpZyBkZWFsIHRvIHlvdSwgYnV0IEkndmUgbmV2ZXIgZHJpdmVuIGEgYnVzIGJlZm9yZSE="));
+            jokes.add(new Joke("V2hhdCBkbyB5b3UgY2FsbCBhIGJsaW5kIGRpbm9zYXVyPyBBIGRvLXRoaW5rLWhlLXNhdXJ1cw=="));
+            jokes.add(new Joke("TXkgZXgtd2lmZSBzdGlsbCBtaXNzZXMgbWUuLi4gQnV0IGhlciBhaW0gaXMgZ2V0dGluIGJldHRlci4="));
+            jokes.add(new Joke("VHdvIHNrZXB0aWNzIHdhbGsgaW50byBhIGJhci4uIEknZCB0ZWxsIHlvdSB3aGF0IGhhcHBlbnMgbmV4dCBidXQgbm9vbmUga25vd3M="));
+            jokes.add(new Joke("Kkd1eSB0cmllcyBnaXZpbmcgbWUgaGlzIHBob25lIG51bWJlciogTWU6IE9oIG5vIHRoYW5rIHlvdS4gSSBhbHJlYWR5IGhhdmUgb25l"));
+            jokes.add(new Joke("V2h5IGNhbid0IGEgYmlrZSBzdGFuZCBvbiBpdCdzIG93bj8gQmVjYXVzZSBpdCBpcyB0d28gdGlyZWQu"));
+            jokes.add(new Joke("TXkgaG91c2UgaXMgcmVhbGx5IHNtYWxsIHVudGlsIEkgY2FuJ3QgZmluZCBteSBwaG9uZS4="));
+            jokes.add(new Joke("SG93IGRvIHRoZXkgY2FsY3VsYXRlIGdsb2JhbCB3YXJtaW5nPyBBbC1nb3JlLXl0aG1z"));
+            jokes.add(new Joke("V2h5IGRpZCB0aGUgY29tcG9zZXIgZ28gdG8gdGhlIGNoaXJvcHJhY3Rvcj8gQmVjYXVzZSBoZSBoYWQgQmFjaCBwcm9ibGVtcw=="));
+            jokes.add(new Joke("QSBzaGVlcCwgYSBkcnVtIGFuZCBhIHNuYWtlIGZhbGwgZG93biBhIGNsaWZmLCBiYSBkdW0gdHNz"));
+            jokes.forEach(joke -> {jokeRepository.save(joke);});}
+    }
+}

src/main/java/com/booleanuk/controller/JokeController.java

@@ -0,0 +1,70 @@
+package com.booleanuk.controller;
+
+import com.booleanuk.model.Joke;
+import com.booleanuk.repository.JokeRepository;
+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;
+
+import java.util.Base64;
+import java.util.List;
+
+@RestController
+@RequestMapping("jokes")
+public class JokeController {
+    @Autowired
+    private JokeRepository jokeRepository;
+
+    private Base64 Base64;
+
+    public JokeController(JokeRepository jokeRepository) {
+        this.jokeRepository = jokeRepository;
+    }
+
+    record PostBook(String jokeText) {};
+
+    @GetMapping
+    public List<Joke> getBooks() {
+        return jokeRepository.findAll();
+    }
+
+    @PostMapping
+    public ResponseEntity<Joke> create(@RequestBody PostBook request){
+        Joke joke = new Joke(Base64.getEncoder().encodeToString((request.jokeText).getBytes()));
+        return new ResponseEntity<>(jokeRepository.save(joke), HttpStatus.CREATED);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Joke> getById(@PathVariable("id") Integer id){
+        Joke joke = jokeRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Joke not found")
+        );
+
+        byte[] actualByte= Base64.getDecoder().decode(joke.getJokeText().getBytes());
+        joke.setJokeText(new String(actualByte));
+
+        return ResponseEntity.ok(joke);
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<Joke> update(@PathVariable int id, @RequestBody PostBook request){
+        Joke joke = this.jokeRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Joke not found")
+        );
+
+        joke.setJokeText(request.jokeText);
+
+        return new ResponseEntity<>(jokeRepository.save(joke), HttpStatus.CREATED);
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Joke> delete(@PathVariable int id){
+        Joke joke = this.jokeRepository.findById(id).orElseThrow(
+                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Joke not found")
+        );
+        this.jokeRepository.delete(joke);
+        return new ResponseEntity<>(joke, HttpStatus.OK);
+    }
+}

src/main/java/com/booleanuk/model/Joke.java

@@ -0,0 +1,26 @@
+package com.booleanuk.model;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Entity
+@Table(name = "jokes")
+@Getter
+@Setter
+@NoArgsConstructor
+public class Joke {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+
+    @Column
+    private String jokeText;
+
+
+    public Joke(String jokeText) {
+        this.jokeText = jokeText;
+    }
+}

src/main/java/com/booleanuk/repository/JokeRepository.java

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