Feat/questions

api/src/main/java/lab/en2b/quizapi/questions/answer/Answer.java

@@ -0,0 +1,28 @@
+package lab.en2b.quizapi.questions.answer;
+
+import jakarta.persistence.*;
+import lab.en2b.quizapi.questions.question.Question;
+import lombok.*;
+
+import java.util.List;
+
+@Entity
+@Table(name = "answers")
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+public class Answer {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Setter(AccessLevel.NONE)
+    private Long id;
+    private String text;
+    private AnswerCategory category;
+    @OneToMany(mappedBy = "correctAnswer", fetch = FetchType.EAGER)
+    private List<Question> questions;
+
+    @ManyToMany(mappedBy = "answers", fetch = FetchType.EAGER)
+    private List<Question> questionsWithThisAnswer;
+
+}

api/src/main/java/lab/en2b/quizapi/questions/answer/AnswerCategory.java

@@ -0,0 +1,5 @@
+package lab.en2b.quizapi.questions.answer;
+
+public enum AnswerCategory {
+    CITY, COUNTRY, PERSON, EVENT, DATE, OTHER
+}

api/src/main/java/lab/en2b/quizapi/questions/answer/dtos/AnswerDto.java

@@ -0,0 +1,14 @@
+package lab.en2b.quizapi.questions.answer.dtos;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor
+public class AnswerDto {
+    @JsonProperty("answer_id")
+    private Long answerId;
+}

api/src/main/java/lab/en2b/quizapi/questions/answer/dtos/AnswerResponseDto.java

@@ -0,0 +1,15 @@
+package lab.en2b.quizapi.questions.answer.dtos;
+
+import lab.en2b.quizapi.questions.answer.AnswerCategory;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+public class AnswerResponseDto {
+    private Long id;
+    private String text;
+    private AnswerCategory category;
+}

api/src/main/java/lab/en2b/quizapi/questions/answer/mappers/AnswerResponseDtoMapper.java

@@ -0,0 +1,15 @@
+package lab.en2b.quizapi.questions.answer.mappers;
+
+import lab.en2b.quizapi.questions.answer.Answer;
+import lab.en2b.quizapi.questions.answer.dtos.AnswerResponseDto;
+import org.springframework.stereotype.Service;
+
+import java.util.function.Function;
+
+@Service
+public class AnswerResponseDtoMapper implements Function<Answer, AnswerResponseDto> {
+    @Override
+    public AnswerResponseDto apply(Answer answer) {
+        return null;
+    }
+}

api/src/main/java/lab/en2b/quizapi/questions/question/Question.java

@@ -0,0 +1,42 @@
+package lab.en2b.quizapi.questions.question;
+
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotNull;
+import lab.en2b.quizapi.questions.answer.Answer;
+import lab.en2b.quizapi.questions.answer.AnswerCategory;
+import lombok.*;
+
+import java.util.List;
+
+@Entity
+@Table(name = "questions")
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+public class Question {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Setter(AccessLevel.NONE)
+    private Long id;
+    private String content;
+    @NotNull
+    @ManyToMany(fetch = FetchType.EAGER)
+    @JoinTable(name="questions_answers",
+            joinColumns=
+            @JoinColumn(name="question_id", referencedColumnName="id"),
+            inverseJoinColumns=
+            @JoinColumn(name="answer_id", referencedColumnName="id")
+    )
+    private List<Answer> answers;
+    @ManyToOne
+    @JoinColumn(name = "correct_answer_id")
+    private Answer correctAnswer;
+    private QuestionCategory questionCategory;
+    private AnswerCategory answerCategory;
+    private String language;
+    private QuestionType type;
+
+
+}

api/src/main/java/lab/en2b/quizapi/questions/question/QuestionCategory.java

@@ -0,0 +1,5 @@
+package lab.en2b.quizapi.questions.question;
+
+public enum QuestionCategory {
+    HISTORY, GEOGRAPHY, SCIENCE, MATH, LITERATURE, ART, SPORTS, MUSIC, MOVIES, TV, POLITICS, OTHER
+}

api/src/main/java/lab/en2b/quizapi/questions/question/QuestionController.java

@@ -1,14 +1,38 @@
 package lab.en2b.quizapi.questions.question;
 
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import lab.en2b.quizapi.questions.answer.dtos.AnswerDto;
+import lab.en2b.quizapi.questions.question.dtos.AnswerCheckResponseDto;
+import lab.en2b.quizapi.questions.question.dtos.QuestionResponseDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
 
 @RestController
 @RequestMapping("/questions")
+@RequiredArgsConstructor
 public class QuestionController {
-    @GetMapping("/dummy")
-    private String getDummyQuestion(){
-        return "Who the hell is Steve Jobs?";
+    private final QuestionService questionService;
+
+    // TODO: REMOVE WHEN NOT USED FOR TESTING
+    @GetMapping
+    private ResponseEntity<List<QuestionResponseDto>> getQuestions() {
+        return ResponseEntity.ok(questionService.getQuestions());
+    }
+
+    @PostMapping("/{questionId}/answer")
+    private ResponseEntity<AnswerCheckResponseDto> answerQuestion(@PathVariable Long questionId, @RequestBody AnswerDto answerDto){
+        return ResponseEntity.ok(questionService.answerQuestion(questionId,answerDto));
+    }
+
+    @GetMapping("/new")
+    private ResponseEntity<QuestionResponseDto> generateQuestion(){
+        return ResponseEntity.ok(questionService.getQuestion());
+    }
+
+    @GetMapping("/{id}")
+    private ResponseEntity<QuestionResponseDto> getQuestionById(@PathVariable Long id){
+        return ResponseEntity.ok(questionService.getQuestionById(id));
     }
 }

api/src/main/java/lab/en2b/quizapi/questions/question/QuestionRepository.java

@@ -0,0 +1,9 @@
+package lab.en2b.quizapi.questions.question;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+public interface QuestionRepository extends JpaRepository<Question,Long> {
+    @Query(value = "SELECT * FROM questions ORDER BY RAND() LIMIT 1", nativeQuery = true)
+    Question findRandomQuestion();
+}

api/src/main/java/lab/en2b/quizapi/questions/question/QuestionService.java

@@ -0,0 +1,42 @@
+package lab.en2b.quizapi.questions.question;
+
+import lab.en2b.quizapi.questions.answer.dtos.AnswerDto;
+import lab.en2b.quizapi.questions.question.dtos.AnswerCheckResponseDto;
+import lab.en2b.quizapi.questions.question.dtos.QuestionResponseDto;
+import lab.en2b.quizapi.questions.question.mappers.QuestionResponseDtoMapper;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class QuestionService {
+
+    private final QuestionRepository questionRepository;
+    private final QuestionResponseDtoMapper questionResponseDtoMapper;
+    public List<QuestionResponseDto> getQuestions() {
+        return questionRepository.findAll().stream().map(questionResponseDtoMapper).toList();
+    }
+
+    public AnswerCheckResponseDto answerQuestion(Long id, AnswerDto answerDto) {
+        Question question = questionRepository.findById(id).orElseThrow();
+        if(question.getCorrectAnswer().getId().equals(answerDto.getAnswerId())){
+            return new AnswerCheckResponseDto(true);
+        }
+        else if(question.getAnswers().stream().noneMatch(i -> i.getId().equals(answerDto.getAnswerId()))){
+            throw new IllegalArgumentException("The answer you provided is not one of the options");
+        }
+        else {
+            return new AnswerCheckResponseDto(false);
+        }
+    }
+
+    public QuestionResponseDto getQuestion() {
+        return questionResponseDtoMapper.apply(questionRepository.findRandomQuestion());
+    }
+
+    public QuestionResponseDto getQuestionById(Long id) {
+        return questionResponseDtoMapper.apply(questionRepository.findById(id).orElseThrow());
+    }
+}

api/src/main/java/lab/en2b/quizapi/questions/question/QuestionType.java

@@ -0,0 +1,6 @@
+package lab.en2b.quizapi.questions.question;
+
+public enum QuestionType {
+    TEXT, VIDEO, IMAGE, AUDIO
+
+}

api/src/main/java/lab/en2b/quizapi/questions/question/dtos/AnswerCheckResponseDto.java

@@ -0,0 +1,12 @@
+package lab.en2b.quizapi.questions.question.dtos;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+public class AnswerCheckResponseDto {
+    private boolean wasCorrect;
+}

api/src/main/java/lab/en2b/quizapi/questions/question/dtos/QuestionResponseDto.java

@@ -0,0 +1,23 @@
+package lab.en2b.quizapi.questions.question.dtos;
+
+import lab.en2b.quizapi.questions.answer.AnswerCategory;
+import lab.en2b.quizapi.questions.answer.dtos.AnswerResponseDto;
+import lab.en2b.quizapi.questions.question.QuestionCategory;
+import lab.en2b.quizapi.questions.question.QuestionType;
+import lombok.Builder;
+
+import java.util.List;
+
+@Builder
+public class QuestionResponseDto {
+    private Long id;
+    private String content;
+    private List<AnswerResponseDto> answers;
+    private QuestionCategory questionCategory;
+    private AnswerCategory answerCategory;
+    private String language;
+    private QuestionType type;
+
+
+
+}

api/src/main/java/lab/en2b/quizapi/questions/question/mappers/QuestionResponseDtoMapper.java

@@ -0,0 +1,25 @@
+package lab.en2b.quizapi.questions.question.mappers;
+
+import lab.en2b.quizapi.questions.answer.mappers.AnswerResponseDtoMapper;
+import lab.en2b.quizapi.questions.question.Question;
+import lab.en2b.quizapi.questions.question.dtos.QuestionResponseDto;
+import org.springframework.stereotype.Service;
+
+import java.util.function.Function;
+
+@Service
+public class QuestionResponseDtoMapper implements Function<Question, QuestionResponseDto> {
+
+    @Override
+    public QuestionResponseDto apply(Question question) {
+        return QuestionResponseDto.builder()
+                .id(question.getId())
+                .content(question.getContent())
+                .type(question.getType())
+                .answerCategory(question.getAnswerCategory())
+                .answers(question.getAnswers().stream().map(new AnswerResponseDtoMapper()).toList())
+                .language(question.getLanguage())
+                .questionCategory(question.getQuestionCategory())
+                .build();
+    }
+}

api/src/test/java/lab/en2b/quizapi/QuizApiApplicationTests.java

@@ -1,6 +1,5 @@
 package lab.en2b.quizapi;
 
-import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest

api/src/test/java/lab/en2b/quizapi/questions/QuestionControllerTest.java

@@ -0,0 +1,32 @@
+package lab.en2b.quizapi.questions;
+
+import lab.en2b.quizapi.auth.config.SecurityConfig;
+import lab.en2b.quizapi.auth.jwt.JwtUtils;
+import lab.en2b.quizapi.questions.question.QuestionController;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.context.annotation.Import;
+import org.springframework.test.web.servlet.MockMvc;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.csrf;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(QuestionController.class)
+@AutoConfigureMockMvc
+@Import(SecurityConfig.class)
+public class QuestionControllerTest {
+    @Autowired
+    MockMvc mockMvc;
+    @Mock
+    JwtUtils jwtUtils;
+    @Test
+    void getQuestionShouldReturn200() throws Exception {
+        mockMvc.perform(get("/questions")
+                        .contentType("application/json")
+                        .with(csrf()))
+                .andExpect(status().isOk());
+    }
+}