add models generation and josn print

app/model/prestadb/ps_pack.go

@@ -0,0 +1,20 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package prestadb
+
+const TableNamePsPack = "ps_pack"
+
+// PsPack mapped from table <ps_pack>
+type PsPack struct {
+	IDProductPack          int32 `gorm:"column:id_product_pack;primaryKey" json:"id_product_pack"`
+	IDProductItem          int32 `gorm:"column:id_product_item;primaryKey;index:product_item,priority:1" json:"id_product_item"`
+	IDProductAttributeItem int32 `gorm:"column:id_product_attribute_item;primaryKey;index:product_item,priority:2" json:"id_product_attribute_item"`
+	Quantity               int32 `gorm:"column:quantity;not null;default:1" json:"quantity"`
+}
+
+// TableName PsPack's table name
+func (*PsPack) TableName() string {
+	return TableNamePsPack
+}