add "reading" filter for books currently being read

internal/query/query.go

@@ -97,11 +97,32 @@ func FetchReadUserBookCount(db *gorm.DB, userId uint) (int64, error) {
 	return count, res.Error
 }
 
+func FetchReadingUserBook(db *gorm.DB, userId uint, limit int, offset int) ([]BookUserGet, error) {
+	var books []BookUserGet
+	query := fetchReadingUserBookQuery(db, userId)
+	query = query.Limit(limit)
+	query = query.Offset(offset)
+	res := query.Find(&books)
+	return books, res.Error
+}
+
+func FetchReadingUserBookCount(db *gorm.DB, userId uint) (int64, error) {
+	query := fetchReadingUserBookQuery(db, userId)
+	var count int64
+	res := query.Count(&count)
+	return count, res.Error
+}
+
 func fetchReadUserBookQuery(db *gorm.DB, userId uint) *gorm.DB {
 	query := fetchUserBookGet(db, userId)
 	query = query.Where("user_books.read IS TRUE")
 	return query
 }
+func fetchReadingUserBookQuery(db *gorm.DB, userId uint) *gorm.DB {
+	query := fetchUserBookGet(db, userId)
+	query = query.Where("user_books.start_read_date IS NOT NULL")
+	return query
+}
 
 func FetchWantReadUserBook(db *gorm.DB, userId uint, limit int, offset int) ([]BookUserGet, error) {
 	var books []BookUserGet