Сделал первые функции под MRP

backend/models/order.go

@@ -0,0 +1,13 @@
+package models
+
+import "gorm.io/gorm"
+
+type Order struct {
+	gorm.Model
+	OrderNo    string `gorm:"uniqueIndex;not null" json:"order_no"`
+	ClientName string `json:"client_name"`
+	Deadline   string `json:"deadline"`
+	Status     string `gorm:"default:'Новый'" json:"status"`
+
+	Parts []Part `gorm:"foreignKey:OrderNo;references:OrderNo" json:"parts"`
+}