All files / src/domains/procurement/purchase-orders/schemas purchase-order.schema.ts

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import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
import { Document, Types } from 'mongoose';
 
@Schema({ _id: false })
export class PurchaseOrderTaxSnapshot {
  @Prop({ required: true })
  taxCode: string;
 
  @Prop({ required: true })
  rate: number; // e.g., 0.12 for 12%
 
  @Prop({ required: true })
  taxableAmount: number;
 
  @Prop({ required: true })
  taxAmount: number;
 
  @Prop({ required: true })
  jurisdiction: string;
 
  @Prop({ required: true, default: false })
  inclusive: boolean;
 
  @Prop({ required: true, default: 1 })
  calculationOrder: number;
}
 
@Schema({ _id: false })
export class PurchaseOrderLineItem {
  @Prop({ required: true })
  description: string;
 
  @Prop({ required: true })
  quantity: number;
 
  @Prop({ required: true })
  unitPrice: number;
 
  @Prop({ required: true })
  total: number;
 
  @Prop({ default: null })
  taxCode: string;
 
  @Prop({ type: [PurchaseOrderTaxSnapshot], default: [] })
  taxSnapshots: PurchaseOrderTaxSnapshot[];
}
 
@Schema({ timestamps: true })
export class PurchaseOrder extends Document {
  @Prop({ required: true, index: true })
  tenantId: string;
 
  @Prop({ required: true, index: true })
  poNumber: string;
 
  @Prop({ default: null, index: true })
  requisitionId: string;
 
  @Prop({ default: null, index: true })
  rfqId: string;
 
  @Prop({ required: true, index: true })
  vendorId: string;
 
  @Prop({ required: true })
  title: string;
 
  @Prop({ type: [PurchaseOrderLineItem], default: [] })
  items: PurchaseOrderLineItem[];
 
  @Prop({ required: true })
  subtotal: number;
 
  @Prop({ required: true })
  tax: number;
 
  @Prop({ required: true })
  totalAmount: number;
 
  @Prop({ required: true, default: 'USD' })
  currency: string;
 
  @Prop({
    required: true,
    default: 'draft',
    enum: [
      'draft',
      'approval_pending',
      'approved',
      'issued',
      'acknowledged',
      'partially_received',
      'fully_received',
      'partially_invoiced',
      'fully_invoiced',
      'amended',
      'cancelled',
      'closed',
    ],
  })
  status: string;
 
  @Prop({ default: null })
  approvedBy: string;
 
  @Prop({ default: null })
  approvalDate: Date;
 
  @Prop({ default: 'standard', enum: ['standard', 'blanket', 'release_order'] })
  poType: string;
 
  @Prop({ default: null })
  blanketPoId: string; // Ref to blanket PO if release_order
 
  @Prop({ default: null })
  paymentTerms: string; // MDM reference or text
 
  @Prop({ default: null })
  deliveryTerms: string; // e.g. EXW, FOB
 
  @Prop({ type: [PurchaseOrderTaxSnapshot], default: [] })
  documentTaxSnapshots: PurchaseOrderTaxSnapshot[];
}
 
export const PurchaseOrderSchema = SchemaFactory.createForClass(PurchaseOrder);
PurchaseOrderSchema.index({ tenantId: 1, poNumber: 1 }, { unique: true });
PurchaseOrderSchema.index({ tenantId: 1, vendorId: 1 });
PurchaseOrderSchema.index({ tenantId: 1, status: 1 });