レスポンスにサムネイル情報追加

docs/v3-api.yaml

@@ -4765,6 +4765,9 @@ components:
         isUnicode:
           type: boolean
           description: Unicode絵文字か
+        hasThumbnail:
+          type: boolean
+          description: サムネイルの有無
       required:
         - id
         - name
@@ -4773,6 +4776,7 @@ components:
         - updatedAt
         - fileId
         - isUnicode
+        - hasThumbnail
     PostStampRequest:
       title: PostStampRequest
       type: object

model/stamps.go

@@ -21,6 +21,12 @@ type Stamp struct {
 	File *FileMeta `gorm:"constraint:stamps_file_id_files_id_foreign,OnUpdate:CASCADE,OnDelete:NO ACTION;foreignKey:FileID" json:"-"`
 }
 
+// StampWithThumbnail サムネイル情報を付与したスタンプ構造体
+type StampWithThumbnail struct {
+	*Stamp
+	HasThumbnail bool `json:"hasThumbnail"`
+}
+
 // TableName スタンプテーブル名を取得します
 func (*Stamp) TableName() string {
 	return "stamps"

repository/gorm/stamp.go

@@ -25,7 +25,7 @@ type stampRepository struct {
 	db      *gorm.DB
 	hub     *hub.Hub
 	stamps  *sc.Cache[struct{}, map[uuid.UUID]*model.Stamp]
-	perType *sc.Cache[repository.StampType, []*model.Stamp]
+	perType *sc.Cache[repository.StampType, []*model.StampWithThumbnail]
 }
 
 func makeStampRepository(db *gorm.DB, hub *hub.Hub) *stampRepository {
@@ -48,26 +48,55 @@ func (r *stampRepository) loadStamps(_ context.Context, _ struct{}) (map[uuid.UU
 	return stampsMap, nil
 }
 
-func (r *stampRepository) loadFilteredStamps(ctx context.Context, stampType repository.StampType) ([]*model.Stamp, error) {
+func (r *stampRepository) loadFilteredStamps(ctx context.Context, stampType repository.StampType) ([]*model.StampWithThumbnail, error) {
 	stamps, err := r.stamps.Get(ctx, struct{}{})
 	if err != nil {
 		return nil, err
 	}
-	arr := make([]*model.Stamp, 0, len(stamps))
+	arr := make([]*model.StampWithThumbnail, 0, len(stamps))
 
+	IDs := make([]uuid.UUID, 0, len(stamps))
+	stampsWithThumbnail := make([]*model.StampWithThumbnail, 0, len(stamps))
+	for _, stamp := range stamps {
+		IDs = append(IDs, stamp.FileID)
+	}
+
+	thumbnails := make([]uuid.UUID, 0, len(stamps))
+	if err := r.db.
+		Table("files_thumbnails").
+		Select("file_id").
+		Where("file_id IN (?)", IDs).
+		Find(&thumbnails).
+		Error; err != nil {
+		return nil, err
+	}
+	thumbnailExists := make(map[uuid.UUID]struct{}, len(thumbnails))
+	for _, v := range thumbnails {
+		thumbnailExists[v] = struct{}{}
+	}
+
+	for _, stamp := range stamps {
+		_, ok := thumbnailExists[stamp.FileID]
+		stampsWithThumbnail = append(stampsWithThumbnail, &model.StampWithThumbnail{
+			Stamp:        stamp,
+			HasThumbnail: ok,
+		})
+	}
+
+	if err != nil {
+		return nil, err
+	}
 	switch stampType {
 	case repository.StampTypeAll:
-		for _, s := range stamps {
-			arr = append(arr, s)
-		}
+		arr = append(arr, stampsWithThumbnail...)
 	case repository.StampTypeUnicode:
-		for _, s := range stamps {
+		for _, s := range stampsWithThumbnail {
 			if s.IsUnicode {
 				arr = append(arr, s)
 			}
 		}
 	case repository.StampTypeOriginal:
-		for _, s := range stamps {
+		for _, s := range stampsWithThumbnail {
 			if !s.IsUnicode {
 				arr = append(arr, s)
 			}
@@ -270,8 +299,8 @@ func (r *stampRepository) DeleteStamp(id uuid.UUID) (err error) {
 	return repository.ErrNotFound
 }
 
-// GetAllStamps implements StampRepository interface.
-func (r *stampRepository) GetAllStamps(stampType repository.StampType) (stamps []*model.Stamp, err error) {
+// GetAllStampsWithThumbnail implements StampRepository interface.
+func (r *stampRepository) GetAllStampsWithThumbnail(stampType repository.StampType) (stampsWithThumbnail []*model.StampWithThumbnail, err error) {
 	return r.perType.Get(context.Background(), stampType)
 }
 

repository/gorm/stamp_test.go

@@ -197,19 +197,51 @@ func TestRepositoryImpl_DeleteStamp(t *testing.T) {
 	})
 }
 
-func TestRepositoryImpl_GetAllStamps(t *testing.T) {
+func TestRepositoryImpl_GetAllStampsWithThumbnail(t *testing.T) {
 	t.Parallel()
-	repo, assert, _ := setup(t, ex1)
+	repo, assert, require := setup(t, ex1)
 
 	n := 10
+
 	for i := 0; i < 10; i++ {
 		mustMakeStamp(t, repo, rand, uuid.Nil)
 	}
-
-	arr, err := repo.GetAllStamps(repository.StampTypeAll)
-	if assert.NoError(err) {
-		assert.Len(arr, n)
+	for i := 0; i < 10; i++ {
+		stamp := mustMakeStamp(t, repo, rand, uuid.Nil)
+		err := repo.DeleteFileMeta(stamp.FileID)
+		require.NoError(err)
 	}
+
+	t.Run("without thumbnail", func(t *testing.T) {
+		t.Parallel()
+		arr, err := repo.GetAllStampsWithThumbnail(repository.StampTypeAll)
+		if !assert.NoError(err) {
+			t.FailNow()
+		}
+		assert.Len(arr, n*2)
+		cnt := 0
+		for _, s := range arr {
+			if !s.HasThumbnail {
+				cnt++
+			}
+		}
+		assert.Equal(n, cnt)
+	})
+	t.Run("with thumbnail", func(t *testing.T) {
+		t.Parallel()
+		arr, err := repo.GetAllStampsWithThumbnail(repository.StampTypeAll)
+		if !assert.NoError(err) {
+			t.FailNow()
+		}
+		assert.Len(arr, n*2)
+		cnt := 0
+		for _, s := range arr {
+			if s.HasThumbnail {
+				cnt++
+			}
+		}
+		assert.Equal(n, cnt)
+	})
 }
 
 func TestRepositoryImpl_StampExists(t *testing.T) {

repository/stamp.go

@@ -85,11 +85,11 @@ type StampRepository interface {
 	// 引数にuuid.Nilを指定した場合、ErrNilIDを返します。
 	// DBによるエラーを返すことがあります。
 	DeleteStamp(id uuid.UUID) (err error)
-	// GetAllStamps 全てのスタンプを取得します
+	// GetAllStampsWithThumbnail 全てのスタンプとサムネイルの有無を取得します
 	//
 	// 成功した場合、スタンプのIDでソートされた配列とnilを返します。
 	// DBによるエラーを返すことがあります。
-	GetAllStamps(stampType StampType) (stamps []*model.Stamp, err error)
+	GetAllStampsWithThumbnail(stampType StampType) (stamps []*model.StampWithThumbnail, err error)
 	// StampExists 指定したIDのスタンプが存在するかどうかを返します
 	//
 	// 存在する場合、trueとnilを返します。

router/v1/public.go

@@ -118,7 +118,7 @@ func (c *EmojiCache) Purge() {
 
 func emojiJSONGenerator(repo repository.Repository) func(_ context.Context, _ struct{}) ([]byte, error) {
 	return func(_ context.Context, _ struct{}) ([]byte, error) {
-		stamps, err := repo.GetAllStamps(repository.StampTypeAll)
+		stamps, err := repo.GetAllStampsWithThumbnail(repository.StampTypeAll)
 		if err != nil {
 			return nil, err
 		}
@@ -141,7 +141,7 @@ func emojiJSONGenerator(repo repository.Repository) func(_ context.Context, _ st
 
 func emojiCSSGenerator(repo repository.Repository) func(_ context.Context, _ struct{}) ([]byte, error) {
 	return func(_ context.Context, _ struct{}) ([]byte, error) {
-		stamps, err := repo.GetAllStamps(repository.StampTypeAll)
+		stamps, err := repo.GetAllStampsWithThumbnail(repository.StampTypeAll)
 		if err != nil {
 			return nil, err
 		}

router/v3/stamps.go

@@ -66,7 +66,7 @@ func (h *Handlers) GetStamps(c echo.Context) error {
 		stampType = repository.StampTypeOriginal
 	}
 
-	stamps, err := h.Repo.GetAllStamps(stampType)
+	stamps, err := h.Repo.GetAllStampsWithThumbnail(stampType)
 	if err != nil {
 		return herror.InternalServerError(err)
 	}