feat: improve returned results from items: null to items = [] (#70)

internal/file/api.go

@@ -368,8 +368,13 @@ func (r resource) comments(c echo.Context) error {
 	if err != nil {
 		return err
 	}
-	count := file.CommentsCount
-	pages := pagination.NewFromRequest(c.Request(), *count)
+
+	count := 0
+	if file.CommentsCount != nil {
+		count = *file.CommentsCount
+	}
+
+	pages := pagination.NewFromRequest(c.Request(), count)
 	comments, err := r.service.Comments(
 		ctx, c.Param("sha256"), pages.Offset(), pages.Limit())
 	if err != nil {

internal/file/repository.go

@@ -150,7 +150,7 @@ func (r repository) Query(ctx context.Context, offset, limit int, fields []strin
 	for _, u := range res.([]interface{}) {
 		file := entity.File{}
 		b, _ := json.Marshal(u)
-		 _ = json.Unmarshal(b, &file)
+		_ = json.Unmarshal(b, &file)
 		files = append(files, file)
 	}
 	return files, nil
@@ -204,6 +204,10 @@ func (r repository) Comments(ctx context.Context, id string, offset,
 	if err != nil {
 		return nil, err
 	}
+
+	if len(results.([]interface{})) == 0 {
+		return []interface{}{}, nil
+	}
 	return results.([]interface{}), nil
 }
 

internal/user/repository.go

@@ -244,6 +244,9 @@ func (r repository) Likes(ctx context.Context, id string, offset,
 	if err != nil {
 		return nil, err
 	}
+	if len(results.([]interface{})) == 0 {
+		return []interface{}{}, nil
+	}
 	return results.([]interface{}), nil
 }
 
@@ -274,6 +277,9 @@ func (r repository) Followers(ctx context.Context, id string, offset,
 	if err != nil {
 		return nil, err
 	}
+	if len(results.([]interface{})) == 0 {
+		return []interface{}{}, nil
+	}
 	return results.([]interface{}), nil
 }
 
@@ -304,6 +310,9 @@ func (r repository) Following(ctx context.Context, id string, offset,
 	if err != nil {
 		return nil, err
 	}
+	if len(results.([]interface{})) == 0 {
+		return []interface{}{}, nil
+	}
 	return results.([]interface{}), nil
 }
 
@@ -333,6 +342,9 @@ func (r repository) Submissions(ctx context.Context, id string, offset,
 	if err != nil {
 		return nil, err
 	}
+	if len(results.([]interface{})) == 0 {
+		return []interface{}{}, nil
+	}
 	return results.([]interface{}), nil
 }
 
@@ -363,6 +375,9 @@ func (r repository) Comments(ctx context.Context, id string, offset,
 	if err != nil {
 		return nil, err
 	}
+	if len(results.([]interface{})) == 0 {
+		return []interface{}{}, nil
+	}
 	return results.([]interface{}), nil
 }