Add pagination for booksearch

internal/query/query.go

@@ -36,14 +36,28 @@ type BookSearchGet struct {
 	CoverPath string `json:"coverPath"`
 }
 
-func FetchBookSearchGet(db *gorm.DB, searchterm string) ([]BookSearchGet, error) {
+func FetchBookSearchGet(db *gorm.DB, searchterm string, limit int, offset int) ([]BookSearchGet, error) {
 	var books []BookSearchGet
+	query := fetchBookSearchQuery(db, searchterm)
+	query = query.Limit(limit)
+	query = query.Offset(offset)
+	res := query.Find(&books)
+	return books, res.Error
+}
+
+func FetchBookSearchGetCount(db *gorm.DB, searchterm string) (int64, error) {
+	query := fetchBookSearchQuery(db, searchterm)
+	var count int64
+	res := query.Count(&count)
+	return count, res.Error
+}
+
+func fetchBookSearchQuery(db *gorm.DB, searchterm string) *gorm.DB {
 	query := db.Model(&model.Book{})
 	query = query.Select("books.title, books.author, books.id," + selectStaticFilesPath())
 	query = query.Joins("left join static_files on (static_files.id = books.cover_id)")
 	query = query.Where("LOWER(title) LIKE ?", "%"+strings.ToLower(searchterm)+"%")
-	res := query.Find(&books)
-	return books, res.Error
+	return query
 }
 
 type BookUserGet struct {