Add a view to see all books in a collection

internal/query/query.go

@@ -186,6 +186,7 @@ func selectBookItem() string {
 
 type CollectionsQueryResult struct {
 	ID        uint
+	UserID    uint
 	Name      string
 	BookId    uint
 	BookTitle string
@@ -204,7 +205,8 @@ func FetchAllCollections(db *gorm.DB, userId uint, limit int, offset int) ([]Col
 		return collections, res.Error
 	}
 	for _, collectionId := range collectionIds {
-		queryResults, err := queryBooksForCollection(db, collectionId.ID)
+		//only takes first 5 books
+		queryResults, err := FetchCollectionBooks(db, collectionId.ID, 5, 0)
 		if err != nil {
 			return collections, res.Error
 		}
@@ -213,18 +215,29 @@ func FetchAllCollections(db *gorm.DB, userId uint, limit int, offset int) ([]Col
 	return collections, res.Error
 }
 
-func queryBooksForCollection(db *gorm.DB, collectionId uint) ([]CollectionsQueryResult, error) {
+func FetchCollectionBooks(db *gorm.DB, collectionId uint, limit int, offset int) ([]CollectionsQueryResult, error) {
 	var collections []CollectionsQueryResult
+	query := fetchCollectionBooksQuery(db, collectionId)
+	query = query.Limit(limit)
+	query = query.Offset(offset)
+	res := query.Find(&collections)
+	return collections, res.Error
+}
+
+func FetchCollectionBooksCount(db *gorm.DB, collectionId uint) (int64, error) {
+	var count int64
+	res := fetchCollectionBooksQuery(db, collectionId).Count(&count)
+	return count, res.Error
+}
+
+func fetchCollectionBooksQuery(db *gorm.DB, collectionId uint) *gorm.DB {
 	query := db.Model(&model.Collection{})
-	query = query.Select("collections.id, collections.name, books.id as book_id, books.title as book_title, " + selectStaticFilesPath())
+	query = query.Select("collections.id, collections.user_id, collections.name, books.id as book_id, books.title as book_title, " + selectStaticFilesPath())
 	query = query.Joins("left join collection_books on (collection_books.collection_id = collections.id)")
 	query = query.Joins("left join books on (books.id = collection_books.book_id)")
 	query = joinStaticFiles(query)
 	query = query.Where("collections.id = ?", collectionId)
-	//only takes first 5 books
-	query = query.Limit(5)
-	res := query.Find(&collections)
-	return collections, res.Error
+	return query
 }
 
 func FetchAllCollectionsCount(db *gorm.DB, userId uint) (int64, error) {