update: service cashier done

src/entity/cashier/cashier.ts

@@ -7,20 +7,26 @@ import {
     DeleteDateColumn,
     JoinColumn,
     OneToOne,
+    OneToMany,
+    ManyToOne
 } from "typeorm";
 import { EmrRegistration } from "../emr/emr_registration";
 import { Room } from "../room";
+import { CashierItem } from "./cashier_item";
 
 @Entity("cashiers", { schema: "cashier" })
 export class Cashier {
     @PrimaryGeneratedColumn("uuid")
     id: string;
 
-    @OneToOne(() => EmrRegistration, { onDelete: "CASCADE" })
+    @ManyToOne(() => EmrRegistration, { onDelete: "CASCADE" })
     @JoinColumn()
     emrregistration: EmrRegistration;
 
-    @OneToOne(() => Room, { onDelete: "CASCADE" })
+    @OneToMany(() => CashierItem, (detail) => detail.cashier)
+    cashieritem: CashierItem[];
+
+    @ManyToOne(() => Room, { onDelete: "CASCADE" })
     @JoinColumn()
     room: Room;