Feature/quizz

src/main/java/learning/platform/controller/QuizController.java

@@ -11,9 +11,12 @@
 import learning.platform.dto.QuizResponse;
 import learning.platform.dto.QuizSubmissionRequest;
 import learning.platform.dto.QuizSubmissionResponse;
+import learning.platform.entity.User;
 import learning.platform.service.QuizService;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
@@ -92,8 +95,9 @@ public ResponseEntity<QuizResponse> getQuizByLesson(
     @PostMapping("/{quizId}/submit")
     public ResponseEntity<QuizSubmissionResponse> submitQuiz(
             @Parameter(description = "ID del quiz a resolver") @PathVariable Long quizId,
-            @Valid @RequestBody QuizSubmissionRequest request) {
-        QuizSubmissionResponse response = quizService.submitQuiz(quizId, request);
+            @Valid @RequestBody QuizSubmissionRequest request,
+            @AuthenticationPrincipal User student) {
+        QuizSubmissionResponse response = quizService.submitQuiz(quizId, request, student);
         return ResponseEntity.ok(response);
     }
 

src/main/java/learning/platform/dto/QuizResponse.java

@@ -25,6 +25,9 @@ public class QuizResponse {
     @Schema(description = "ID del curso asociado", example = "10")
     private Long courseId;
 
+    @Schema(description = "ID de la lección asociada", example = "20")
+    private Long lessonId;
+
     @Schema(description = "Preguntas del quiz")
     private List<QuestionResponse> questions;
 
@@ -41,6 +44,9 @@ public class QuizResponse {
     public Long getCourseId() { return courseId; }
     public void setCourseId(Long courseId) { this.courseId = courseId; }
 
+    public Long getLessonId() { return lessonId; }
+    public void setLessonId(Long lessonId) { this.lessonId = lessonId; }
+
     public List<QuestionResponse> getQuestions() { return questions; }
     public void setQuestions(List<QuestionResponse> questions) { this.questions = questions; }
-}
+}

src/main/java/learning/platform/dto/QuizSubmissionRequest.java

@@ -1,37 +1,35 @@
 package learning.platform.dto;
 
+import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
+
 import java.util.List;
 
+@Schema(
+        name = "Solicitud de Envío de Quiz",
+        description = "DTO para enviar las respuestas del quizz."
+)
 public class QuizSubmissionRequest {
 
-    @NotNull(message = "El enrollmentId es obligatorio")
-    private Long enrollmentId;
-
     @NotEmpty(message = "Debe enviar al menos una respuesta")
-    private List<AnswerSubmissionRequest> answers;
+    @NotNull(message = "La lista de respuestas no puede ser nula")
+    @Schema(description = "Lista de respuestas del estudiante")
+    private List<AnswerSubmissionItem> answers;
 
     public QuizSubmissionRequest() {}
 
-    public QuizSubmissionRequest(Long enrollmentId, List<AnswerSubmissionRequest> answers) {
-        this.enrollmentId = enrollmentId;
+    public QuizSubmissionRequest(List<AnswerSubmissionItem> answers) {
         this.answers = answers;
     }
 
-    public Long getEnrollmentId() {
-        return enrollmentId;
-    }
-
-    public void setEnrollmentId(Long enrollmentId) {
-        this.enrollmentId = enrollmentId;
-    }
+    // --- Getters y Setters ---
 
-    public List<AnswerSubmissionRequest> getAnswers() {
+    public List<AnswerSubmissionItem> getAnswers() {
         return answers;
     }
 
-    public void setAnswers(List<AnswerSubmissionRequest> answers) {
+    public void setAnswers(List<AnswerSubmissionItem> answers) {
         this.answers = answers;
     }
-}
+}

src/main/java/learning/platform/entity/AnswerOption.java

@@ -0,0 +1,26 @@
+package learning.platform.entity;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "answer_options")
+public class AnswerOption {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "question_id", nullable = false)
+    private Question question;
+
+    @Column(nullable = false, length = 1000)
+    private String text;
+
+    // Getters y Setters
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+    public Question getQuestion() { return question; }
+    public void setQuestion(Question question) { this.question = question; }
+    public String getText() { return text; }
+    public void setText(String text) { this.text = text; }
+}

src/main/java/learning/platform/entity/AnswerSubmission.java

@@ -0,0 +1,40 @@
+package learning.platform.entity;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "answer_submissions")
+public class AnswerSubmission {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "quiz_submission_id", nullable = false)
+    private QuizSubmission quizSubmission;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "question_id", nullable = false)
+    private Question question;
+
+    // For multiple-choice questions
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "selected_option_id")
+    private AnswerOption selectedOption;
+
+    // For open-ended questions (not yet implemented in DTOs)
+    @Column(length = 2000)
+    private String answerText;
+
+    // Getters y Setters
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+    public QuizSubmission getQuizSubmission() { return quizSubmission; }
+    public void setQuizSubmission(QuizSubmission quizSubmission) { this.quizSubmission = quizSubmission; }
+    public Question getQuestion() { return question; }
+    public void setQuestion(Question question) { this.question = question; }
+    public AnswerOption getSelectedOption() { return selectedOption; }
+    public void setSelectedOption(AnswerOption selectedOption) { this.selectedOption = selectedOption; }
+    public String getAnswerText() { return answerText; }
+    public void setAnswerText(String answerText) { this.answerText = answerText; }
+}

src/main/java/learning/platform/entity/Enrollment.java

@@ -42,6 +42,10 @@ public Long getId() {
         return id;
     }
 
+    public void setId(Long id) {
+        this.id = id;
+    }
+
     public User getStudent() {
         return student;
     }

src/main/java/learning/platform/entity/Question.java

@@ -0,0 +1,48 @@
+package learning.platform.entity;
+
+import jakarta.persistence.*;
+import java.util.List;
+
+@Entity
+@Table(name = "questions")
+public class Question {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "quiz_id", nullable = false)
+    private Quiz quiz;
+
+    @Column(nullable = false, length = 2000)
+    private String text;
+
+    // A question has many options.
+    @OneToMany(mappedBy = "question", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<AnswerOption> options;
+
+    @Column(name = "correct_option_index", nullable = false)
+    private Integer correctOptionIndex;
+
+    @Column
+    private Integer points;
+
+    @Column(name = "time_limit_seconds")
+    private Integer timeLimitSeconds;
+
+    // Getters y Setters
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+    public Quiz getQuiz() { return quiz; }
+    public void setQuiz(Quiz quiz) { this.quiz = quiz; }
+    public String getText() { return text; }
+    public void setText(String text) { this.text = text; }
+    public List<AnswerOption> getOptions() { return options; }
+    public void setOptions(List<AnswerOption> options) { this.options = options; }
+    public Integer getCorrectOptionIndex() { return correctOptionIndex; }
+    public void setCorrectOptionIndex(Integer correctOptionIndex) { this.correctOptionIndex = correctOptionIndex; }
+    public Integer getPoints() { return points; }
+    public void setPoints(Integer points) { this.points = points; }
+    public Integer getTimeLimitSeconds() { return timeLimitSeconds; }
+    public void setTimeLimitSeconds(Integer timeLimitSeconds) { this.timeLimitSeconds = timeLimitSeconds; }
+}