All files / src/domains/inventory/stock-ledger/schemas ledger.schema.ts

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import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
import { Document } from 'mongoose';
 
@Schema({ timestamps: true })
export class StockLedgerEntry extends Document {
  @Prop({ required: true, index: true })
  tenantId: string;
 
  @Prop({ required: true, index: true })
  itemCode: string;
 
  @Prop({ required: true, index: true })
  warehouseId: string;
 
  @Prop({ default: null })
  locationId: string;
 
  @Prop({ required: true, index: true })
  transactionType: string;
 
  @Prop({ required: true })
  quantityChange: number; // positive = increase, negative = decrease
 
  @Prop({ required: true, default: 0 })
  unitCost: number;
 
  @Prop({ required: true, default: 0 })
  totalCost: number;
 
  @Prop({ required: true, default: 'USD' })
  currency: string;
 
  @Prop({ default: null })
  batchNumber: string;
 
  @Prop({ default: null })
  serialNumber: string;
 
  @Prop({ required: true, index: true })
  sourceEntityId: string;
 
  @Prop({ required: true })
  sourceEntityType: string;
 
  @Prop({ required: true, unique: true })
  correlationId: string; // for idempotency/reversals matching
 
  @Prop({ default: null })
  postedBy: string;
 
  @Prop({ required: true, default: Date.now })
  postingDate: Date;
}
 
export const StockLedgerEntrySchema = SchemaFactory.createForClass(StockLedgerEntry);
StockLedgerEntrySchema.index({ tenantId: 1, itemCode: 1, warehouseId: 1 });
 
@Schema({ timestamps: true })
export class StockBalance extends Document {
  @Prop({ required: true, index: true })
  tenantId: string;
 
  @Prop({ required: true, index: true })
  itemCode: string;
 
  @Prop({ required: true, index: true })
  warehouseId: string;
 
  @Prop({ default: null })
  locationId: string;
 
  @Prop({ required: true, default: 0 })
  quantityOnHand: number;
 
  @Prop({ required: true, default: 0 })
  quantityReserved: number;
 
  @Prop({ required: true, default: 0 })
  quantityAvailable: number;
 
  @Prop({ required: true, default: 0 })
  movingAverageUnitCost: number;
 
  @Prop({ required: true, default: 0 })
  totalValue: number;
 
  @Prop({ default: null })
  batchNumber: string;
 
  @Prop({ default: null })
  serialNumber: string;
 
  @Prop({ required: true, default: 0 })
  version: number; // for optimistic locking concurrency control
}
 
export const StockBalanceSchema = SchemaFactory.createForClass(StockBalance);
StockBalanceSchema.index({ tenantId: 1, itemCode: 1, warehouseId: 1, locationId: 1, batchNumber: 1, serialNumber: 1 }, { unique: true });