Implemented product stocks.

src/database/schemas/inventory/productstock.schema.js

@@ -0,0 +1,64 @@
+import mongoose from 'mongoose';
+import { generateId } from '../../utils.js';
+const { Schema } = mongoose;
+import { aggregateRollups, aggregateRollupsHistory } from '../../database.js';
+
+const partStockUsageSchema = new Schema({
+  partStock: { type: Schema.Types.ObjectId, ref: 'partStock', required: false },
+  part: { type: Schema.Types.ObjectId, ref: 'part', required: true },
+  quantity: { type: Number, required: true },
+});
+
+// Define the main productStock schema - tracks assembled products consisting of part stocks
+const productStockSchema = new Schema(
+  {
+    _reference: { type: String, default: () => generateId()() },
+    state: {
+      type: { type: String, required: true },
+      progress: { type: Number, required: false },
+    },
+    product: { type: mongoose.Schema.Types.ObjectId, ref: 'product', required: true },
+    currentQuantity: { type: Number, required: true },
+    partStocks: [partStockUsageSchema],
+  },
+  { timestamps: true }
+);
+
+const rollupConfigs = [
+  {
+    name: 'totalCurrentQuantity',
+    filter: {},
+    rollups: [{ name: 'totalCurrentQuantity', property: 'currentQuantity', operation: 'sum' }],
+  },
+];
+
+productStockSchema.statics.stats = async function () {
+  const results = await aggregateRollups({
+    model: this,
+    rollupConfigs: rollupConfigs,
+  });
+
+  return results;
+};
+
+productStockSchema.statics.history = async function (from, to) {
+  const results = await aggregateRollupsHistory({
+    model: this,
+    startDate: from,
+    endDate: to,
+    rollupConfigs: rollupConfigs,
+  });
+
+  return results;
+};
+
+// Add virtual id getter
+productStockSchema.virtual('id').get(function () {
+  return this._id;
+});
+
+// Configure JSON serialization to include virtuals
+productStockSchema.set('toJSON', { virtuals: true });
+
+// Create and export the model
+export const productStockModel = mongoose.model('productStock', productStockSchema);

src/database/schemas/models.js

@@ -12,6 +12,7 @@ import { orderItemModel } from './inventory/orderitem.schema.js';
 import { stockEventModel } from './inventory/stockevent.schema.js';
 import { stockAuditModel } from './inventory/stockaudit.schema.js';
 import { partStockModel } from './inventory/partstock.schema.js';
+import { productStockModel } from './inventory/productstock.schema.js';
 import { auditLogModel } from './management/auditlog.schema.js';
 import { userModel } from './management/user.schema.js';
 import { appPasswordModel } from './management/apppassword.schema.js';
@@ -115,12 +116,12 @@ export const models = {
     label: 'Part Stock',
   },
   PDS: {
-    model: null,
+    model: productStockModel,
     idField: '_id',
     type: 'productStock',
     referenceField: '_reference',
     label: 'Product Stock',
-  }, // No productStockModel found
+  },
   ADL: {
     model: auditLogModel,
     idField: '_id',