feat(quiz): update quiz endpoint to restrain the visibility to the st…

…udent

Closes #102

db/queries/quiz.sql

@@ -24,32 +24,7 @@ SET active = 0
 WHERE filename = ?
   AND version <> ?;
 
--- name: FindQuizBySha1 :one
-SELECT *
-FROM quiz
-WHERE sha1 = ?;
-
 -- name: FindQuizFullBySha1 :many
-SELECT q.sha1       AS quiz_sha1,
-       q.filename   AS quiz_filename,
-       q.name       AS quiz_name,
-       q.version    AS quiz_version,
-       q.created_at AS quiz_created_at,
-       q.duration   AS quiz_duration,
-       q.active     AS quiz_active,
-       qq.sha1      AS question_sha1,
-       qq.content   AS question_content,
-       qa.sha1      AS answer_sha1,
-       qa.content   AS answer_content,
-       qa.valid     AS answer_valid
-FROM quiz q
-         JOIN quiz_question_quiz qqq ON q.sha1 = qqq.quiz_sha1
-         JOIN quiz_question qq ON qq.sha1 = qqq.question_sha1
-         JOIN quiz_question_answer qqa ON qq.sha1 = qqa.question_sha1
-         JOIN quiz_answer qa ON qa.sha1 = qqa.answer_sha1
-WHERE q.sha1 = ?;
-
--- name: FindQuizFullBySha1RestrictedToClass :many
 SELECT q.sha1       AS quiz_sha1,
        q.filename   AS quiz_filename,
        q.name       AS quiz_name,
@@ -71,7 +46,7 @@ FROM quiz q
          JOIN student_class sc ON sc.uuid = qcv.class_uuid
          JOIN user u ON sc.uuid = u.class_uuid
 WHERE q.sha1 = ?
-  AND u.id = ?;
+  AND u.id IS NULL OR u.id = ?;
 
 -- name: FindQuizByFilenameAndLatestVersion :one
 SELECT *
@@ -82,18 +57,12 @@ LIMIT 1;
 
 -- name: FindAllActiveQuiz :many
 SELECT *
-FROM quiz
-WHERE active = 1
-LIMIT ? OFFSET ?;
-
--- name: FindAllActiveQuizRestrictedToClass :many
-SELECT *
 FROM quiz q
          JOIN quiz_class_visibility qcv ON q.sha1 = qcv.quiz_sha1
          JOIN student_class sc ON sc.uuid = qcv.class_uuid
          JOIN user u ON sc.uuid = u.class_uuid
 WHERE q.active = 1
-  AND u.id = ?
+  AND u.id IS NULL OR u.id = ?
 LIMIT ? OFFSET ?;
 
 -- name: CountAllActiveQuiz :one

internal/back/domain/quizService.go

@@ -34,17 +34,17 @@ func NewQuizService(r QuizRepository) QuizService {
 	return QuizService{r: r}
 }
 
-func (s *QuizService) FindFullBySha1(ctx context.Context, sha1 string) (*Quiz, error) {
-	quiz, err := s.r.FindFullBySha1(ctx, sha1)
+func (s *QuizService) FindFullBySha1(ctx context.Context, sha1 string, userId string) (*Quiz, error) {
+	quiz, err := s.r.FindFullBySha1(ctx, sha1, userId)
 	if err != nil {
 		return nil, err
 	}
 
 	return quiz, nil
 }
 
-func (s *QuizService) FindAllActive(ctx context.Context, limit uint16, offset uint16) ([]*Quiz, uint32, error) {
-	quizzes, err := s.r.FindAllActive(ctx, limit, offset)
+func (s *QuizService) FindAllActive(ctx context.Context, userId string, limit uint16, offset uint16) ([]*Quiz, uint32, error) {
+	quizzes, err := s.r.FindAllActive(ctx, userId, limit, offset)
 	if err != nil {
 		return nil, 0, err
 	}

internal/back/domain/repositories.go

@@ -24,10 +24,9 @@ import (
 
 //go:generate mockery --name QuizRepository
 type QuizRepository interface {
-	FindBySha1(ctx context.Context, sha1 string) (*Quiz, error)
-	FindFullBySha1(ctx context.Context, sha1 string) (*Quiz, error)
+	FindFullBySha1(ctx context.Context, sha1 string, userId string) (*Quiz, error)
 	FindLatestVersionByFilename(ctx context.Context, filename string) (*Quiz, error)
-	FindAllActive(ctx context.Context, limit uint16, offset uint16) ([]*Quiz, error)
+	FindAllActive(ctx context.Context, userId string, limit uint16, offset uint16) ([]*Quiz, error)
 	CountAllActive(ctx context.Context) (uint32, error)
 	Create(ctx context.Context, quiz *Quiz) error
 	ActivateOnlyVersion(ctx context.Context, filename string, version int) error