Backend query module: merge two files

internal/query/query.go

@@ -1,6 +1,9 @@
 package query
 
 import (
+	"regexp"
+	"strings"
+
 	"git.artlef.fr/bibliomane/internal/dto"
 	"git.artlef.fr/bibliomane/internal/fileutils"
 	"git.artlef.fr/bibliomane/internal/model"
@@ -100,6 +103,64 @@ func fetchUserBookGet(db *gorm.DB, userId uint) *gorm.DB {
 	return query
 }
 
+func FetchBookSearchByAuthorGet(db *gorm.DB, userId uint, authorId uint64, limit int, offset int) ([]dto.BookSearchGetBook, error) {
+	var books []dto.BookSearchGetBook
+	query := fetchBookSearchByAuthorQuery(db, userId, authorId)
+	query = query.Limit(limit)
+	query = query.Offset(offset)
+	res := query.Find(&books)
+	return books, res.Error
+}
+
+func FetchBookSearchByAuthorGetCount(db *gorm.DB, userId uint, authorId uint64) (int64, error) {
+	var count int64
+	query := fetchBookSearchByAuthorQuery(db, userId, authorId)
+	res := query.Count(&count)
+	return count, res.Error
+}
+
+func fetchBookSearchByAuthorQuery(db *gorm.DB, userId uint, authorId uint64) *gorm.DB {
+	query := fetchBookQueryBuilder(db, userId)
+	return query.Where("authors.id = ?", authorId)
+}
+
+func FetchBookSearchGet(db *gorm.DB, userId uint, searchterm string, limit int, offset int) ([]dto.BookSearchGetBook, error) {
+	var books []dto.BookSearchGetBook
+	query := fetchBookSearchQuery(db, userId, searchterm)
+	query = query.Limit(limit)
+	query = query.Offset(offset)
+	res := query.Find(&books)
+	return books, res.Error
+}
+
+func FetchBookSearchGetCount(db *gorm.DB, userId uint, searchterm string) (int64, error) {
+	query := fetchBookSearchQuery(db, userId, searchterm)
+	var count int64
+	res := query.Count(&count)
+	return count, res.Error
+}
+
+func fetchBookSearchQuery(db *gorm.DB, userId uint, searchterm string) *gorm.DB {
+	query := fetchBookQueryBuilder(db, userId)
+	isIsbn, _ := regexp.Match(`\d{10,13}`, []byte(searchterm))
+	if isIsbn {
+		query = query.Where("books.isbn = ?", searchterm)
+	} else {
+		query = query.Where("LOWER(books.title) LIKE ?", "%"+strings.ToLower(searchterm)+"%")
+	}
+
+	return query
+}
+
+func fetchBookQueryBuilder(db *gorm.DB, userId uint) *gorm.DB {
+	query := db.Model(&model.Book{})
+	query = query.Select("books.id, books.title, authors.name as author, books.small_description as description, books.inventaire_id, user_books.rating, user_books.read, user_books.want_read, " + selectStaticFilesPath())
+	query = joinAuthors(query)
+	query = query.Joins("left join user_books on (user_books.book_id = books.id and user_books.user_id = ?)", userId)
+	query = joinStaticFiles(query)
+	return query
+}
+
 func selectStaticFilesPath() string {
 	return "(CASE COALESCE(static_files.path, '') WHEN '' THEN '' ELSE concat('" + fileutils.GetWsLinkPrefix() + "', static_files.path) END) as CoverPath"
 }