show newest invoice first, show datetime

repositories/InvoiceRepository.go

@@ -11,8 +11,11 @@ import (
 type InvoiceRepository interface {
 	Create(models.Invoice) (models.Invoice, error)
 	GetAll() ([]models.Invoice, error)
+	GetAllSorted(string) ([]models.Invoice, error)
+	GetAllNewestFirst() ([]models.Invoice, error)
+	GetAllNewestLast() ([]models.Invoice, error)
 	GetById(string) (models.Invoice, error)
-	//GetByShopItemId(string) (models.Invoice, error)
+	//GetByInvoiceId(string) (models.Invoice, error)
 	Update(models.Invoice) (models.Invoice, error)
 	DeleteById(string) error
 }
@@ -44,6 +47,21 @@ func (t *GORMInvoiceRepository) GetAll() ([]models.Invoice, error) {
 	return invoice, result.Error
 }
 
+func (t *GORMInvoiceRepository) GetAllSorted(sortString string) ([]models.Invoice, error) {
+	var invoices []models.Invoice
+	result := t.DB.Preload("PrintJobs.ShopItem").Preload("PrintJobs.Variant").Preload("PrintJobs.PaperType").Preload("PrintJobs.CoverPaperType").Preload("PrintJobs").Order(sortString).Find(&invoices)
+
+	return invoices, result.Error
+}
+
+func (r *GORMInvoiceRepository) GetAllNewestFirst() ([]models.Invoice, error) {
+	return r.GetAllSorted("created_at desc")
+}
+
+func (r *GORMInvoiceRepository) GetAllNewestLast() ([]models.Invoice, error) {
+	return r.GetAllSorted("created_at asc")
+}
+
 func (t *GORMInvoiceRepository) GetById(id string) (models.Invoice, error) {
 	invoiceId, err := strconv.Atoi(id)