feat(ocme): added in shipment data with increased checked

server/services/ocme/controller/lotrestriction.ts

@@ -0,0 +1,62 @@
+import {db} from "../../../../database/dbclient.js";
+import {settings} from "../../../../database/schema/settings.js";
+import {createLog} from "../../logger/logger.js";
+
+export const lotRestriction = async (pallets: any, truckQty: number) => {
+    // get the settings so we have these.
+    const setting = await db.select().from(settings);
+    const maxLots = parseInt(setting.filter((n) => n.name === "maxLotPerTruck")[0].value);
+    // sort by production date so we can get the oldest ones first
+    pallets.sort((a: any, b: any) => new Date(a.productionDate).getTime() - new Date(b.productionDate).getTime());
+
+    // group all pallets by the lot numbers
+    const groupedByLotNum = pallets.reduce((acc: any, item: any) => {
+        if (!acc[item.lotNum]) {
+            acc[item.lotNum] = [];
+        }
+        acc[item.lotNum].push(item);
+        return acc;
+    }, {});
+
+    // select the oldest lots until we have 3 lots that meet or exceed 22 pallets
+    const selectedLots = [];
+    let totalPallets = 0;
+
+    // Sort lots by the oldest productionDate in each lot
+    const sortedLots = Object.keys(groupedByLotNum).sort((a, b) => {
+        return (
+            new Date(groupedByLotNum[a][0].productionDate).getTime() -
+            new Date(groupedByLotNum[b][0].productionDate).getTime()
+        );
+    });
+
+    for (const lotNum of sortedLots) {
+        // Add the current lot to the selection
+        selectedLots.push(lotNum);
+        totalPallets += groupedByLotNum[lotNum].length;
+
+        // If we have 3 lots, check if the total pallets meet or exceed 22
+        if (selectedLots.length === maxLots) {
+            if (totalPallets >= truckQty) {
+                // We have enough pallets, exit the loop
+                break;
+            } else {
+                // Remove the last added lot and try the next one
+                const removedLot = selectedLots.pop();
+                totalPallets -= groupedByLotNum[removedLot!].length;
+            }
+        }
+    }
+
+    // flatten the selected lots into a single array
+    let result = selectedLots.flatMap((lotNum) => groupedByLotNum[lotNum]);
+
+    // trim down to be only the the truck qty
+    if (result.length > truckQty) {
+        result = result.slice(0, truckQty);
+    }
+
+    createLog("info", "ocme", "ocme", `Total pallets: ${result.length}`);
+    createLog("info", "ocme", "ocme", `Unique lotNums:", ${new Set(result.map((pallet) => pallet.lotNum)).size}`);
+    return result;
+};