feat(emr): add prescription order entities and status enum

src/entity/emr/emr_prescription_order_items.ts

@@ -0,0 +1,66 @@
+import {
+    Entity,
+    PrimaryGeneratedColumn,
+    Column,
+    CreateDateColumn,
+    UpdateDateColumn,
+    DeleteDateColumn,
+    ManyToOne,
+    JoinColumn,
+} from "typeorm";
+
+import { EmrPrescriptionOrder } from "./emr_prescription_orders";
+import { ItemMaster } from "../pharmacy/item_master";
+import { UsageInstructions } from "../pharmacy/usage_instructions";
+import { UsageTime } from "../pharmacy/usage_time";
+
+/**
+ * Prescription order items entity.
+ * Stores each medication item with quantity and usage instructions/timing.
+ */
+@Entity("emr_prescription_order_items", { schema: "emr" })
+export class EmrPrescriptionOrderItem {
+    @PrimaryGeneratedColumn("uuid")
+    id: string;
+
+    @ManyToOne(() => EmrPrescriptionOrder, (order) => order.items, { onDelete: "CASCADE" })
+    @JoinColumn({ name: "prescription_order_id" })
+    prescription_order: EmrPrescriptionOrder;
+
+    @ManyToOne(() => ItemMaster, { onDelete: "NO ACTION" })
+    @JoinColumn({ name: "item_master_id" })
+    item_master: ItemMaster;
+
+    @Column({ type: "int", nullable: false, default: 1 })
+    qty: number;
+
+    @ManyToOne(() => UsageInstructions, { onDelete: "NO ACTION", nullable: true })
+    @JoinColumn({ name: "usage_instruction_id" })
+    usage_instruction: UsageInstructions | null;
+
+    @ManyToOne(() => UsageTime, { onDelete: "NO ACTION", nullable: true })
+    @JoinColumn({ name: "usage_time_id" })
+    usage_time: UsageTime | null;
+
+    @Column()
+    @CreateDateColumn()
+    created_at: Date;
+
+    @Column({ nullable: true, length: 256 })
+    created_by: string;
+
+    @Column({ nullable: true })
+    @UpdateDateColumn()
+    updated_at: Date;
+
+    @Column({ nullable: true, length: 256 })
+    updated_by: string;
+
+    @Column({ nullable: true })
+    @DeleteDateColumn()
+    deleted_at: Date;
+
+    @Column({ nullable: true, length: 256 })
+    deleted_by: string;
+}
+

src/entity/emr/emr_prescription_orders.ts

@@ -0,0 +1,84 @@
+import {
+    Entity,
+    PrimaryGeneratedColumn,
+    Column,
+    CreateDateColumn,
+    UpdateDateColumn,
+    DeleteDateColumn,
+    ManyToOne,
+    OneToMany,
+    JoinColumn,
+} from "typeorm";
+
+import { EmrPatient } from "./emr_patient";
+import { Room } from "../room";
+import { User } from "../users";
+import { EmrRegistration } from "./emr_registration";
+import { EmrPrescriptionOrderItem } from "./emr_prescription_order_items";
+import { PrescriptionPharmacyStatus } from "../../types/prescription_pharmacy_status";
+
+/**
+ * Prescription orders entity.
+ * Header information for a medication prescription: order number, patient, doctor, rooms, registration, and pharmacy status.
+ */
+@Entity("emr_prescription_orders", { schema: "emr" })
+export class EmrPrescriptionOrder {
+    @PrimaryGeneratedColumn("uuid")
+    id: string;
+
+    @Column({ nullable: false, length: 128, unique: true })
+    order_no: string;
+
+    @ManyToOne(() => EmrRegistration, { onDelete: "NO ACTION", nullable: true })
+    @JoinColumn({ name: "registration_id" })
+    registration: EmrRegistration | null;
+
+    @ManyToOne(() => EmrPatient, { onDelete: "NO ACTION" })
+    @JoinColumn({ name: "patient_id" })
+    patient: EmrPatient;
+
+    @ManyToOne(() => User, { onDelete: "NO ACTION", nullable: true })
+    @JoinColumn({ name: "doctor_id" })
+    doctor: User | null;
+
+    @ManyToOne(() => Room, { onDelete: "NO ACTION", nullable: true })
+    @JoinColumn({ name: "room_id" })
+    room: Room | null;
+
+    @ManyToOne(() => Room, { onDelete: "NO ACTION", nullable: true })
+    @JoinColumn({ name: "referring_room_id" })
+    referring_room: Room | null;
+
+    @Column({
+        type: "enum",
+        enum: PrescriptionPharmacyStatus,
+        nullable: false,
+        default: PrescriptionPharmacyStatus.PENDING,
+    })
+    pharmacy_status: PrescriptionPharmacyStatus;
+
+    @OneToMany(() => EmrPrescriptionOrderItem, (item) => item.prescription_order, { cascade: true })
+    items: EmrPrescriptionOrderItem[];
+
+    @Column()
+    @CreateDateColumn()
+    created_at: Date;
+
+    @Column({ nullable: true, length: 256 })
+    created_by: string;
+
+    @Column({ nullable: true })
+    @UpdateDateColumn()
+    updated_at: Date;
+
+    @Column({ nullable: true, length: 256 })
+    updated_by: string;
+
+    @Column({ nullable: true })
+    @DeleteDateColumn()
+    deleted_at: Date;
+
+    @Column({ nullable: true, length: 256 })
+    deleted_by: string;
+}
+

src/schema/emr.ts

@@ -15,8 +15,11 @@ export * from "../entity/emr/emr_internal_consultation";
 export * from "../entity/emr/emr_laboratory_orders";
 export * from "../entity/emr/emr_laboratory_order_items";
 export * from "../entity/emr/emr_laboratory_order_item_results";
+export * from "../entity/emr/emr_prescription_orders";
+export * from "../entity/emr/emr_prescription_order_items";
 export * from "../entity/emr/emr_radiology";
 export * from "../entity/emr/emr_radiology_services";
 
 export * from "../types/registration_type";
 export * from "../types/registration_status";
+export * from "../types/prescription_pharmacy_status";

src/types/prescription_pharmacy_status.ts

@@ -0,0 +1,7 @@
+export enum PrescriptionPharmacyStatus {
+    PENDING = "pending",
+    PROCESSING = "processing",
+    DISPENSED = "dispensed",
+    CANCELLED = "cancelled",
+}
+