next slice

server/src/modules/purchasing/service.ts

@@ -6,6 +6,42 @@ import { prisma } from "../../lib/prisma.js";
 
 const purchaseOrderModel = prisma.purchaseOrder;
 
+export interface PurchaseOrderPdfData {
+  documentNumber: string;
+  status: PurchaseOrderStatus;
+  issueDate: string;
+  vendor: {
+    name: string;
+    email: string;
+    phone: string;
+    addressLine1: string;
+    addressLine2: string;
+    city: string;
+    state: string;
+    postalCode: string;
+    country: string;
+    paymentTerms: string | null;
+    currencyCode: string | null;
+  };
+  notes: string;
+  subtotal: number;
+  taxPercent: number;
+  taxAmount: number;
+  freightAmount: number;
+  total: number;
+  lines: Array<{
+    itemSku: string;
+    itemName: string;
+    description: string;
+    quantity: number;
+    receivedQuantity: number;
+    remainingQuantity: number;
+    unitOfMeasure: string;
+    unitCost: number;
+    lineTotal: number;
+  }>;
+}
+
 type PurchaseLineRecord = {
   id: string;
   description: string;
@@ -642,3 +678,80 @@ export async function createPurchaseReceipt(orderId: string, payload: PurchaseRe
   const detail = await getPurchaseOrderById(orderId);
   return detail ? { ok: true as const, document: detail } : { ok: false as const, reason: "Unable to load updated purchase order." };
 }
+
+export async function getPurchaseOrderPdfData(orderId: string): Promise<PurchaseOrderPdfData | null> {
+  const order = await prisma.purchaseOrder.findUnique({
+    where: { id: orderId },
+    include: {
+      vendor: {
+        select: {
+          name: true,
+          email: true,
+          phone: true,
+          addressLine1: true,
+          addressLine2: true,
+          city: true,
+          state: true,
+          postalCode: true,
+          country: true,
+          paymentTerms: true,
+          currencyCode: true,
+        },
+      },
+      lines: {
+        include: {
+          item: {
+            select: {
+              sku: true,
+              name: true,
+            },
+          },
+          receiptLines: {
+            select: {
+              quantity: true,
+            },
+          },
+        },
+        orderBy: [{ position: "asc" }, { createdAt: "asc" }],
+      },
+    },
+  });
+
+  if (!order) {
+    return null;
+  }
+
+  const lines = order.lines.map((line) => {
+    const receivedQuantity = line.receiptLines.reduce((sum, receiptLine) => sum + receiptLine.quantity, 0);
+    return {
+      itemSku: line.item.sku,
+      itemName: line.item.name,
+      description: line.description,
+      quantity: line.quantity,
+      receivedQuantity,
+      remainingQuantity: Math.max(0, line.quantity - receivedQuantity),
+      unitOfMeasure: line.unitOfMeasure,
+      unitCost: line.unitCost,
+      lineTotal: line.quantity * line.unitCost,
+    };
+  });
+  const totals = calculateTotals(
+    lines.reduce((sum, line) => sum + line.lineTotal, 0),
+    order.taxPercent,
+    order.freightAmount
+  );
+
+  return {
+    documentNumber: order.documentNumber,
+    status: order.status as PurchaseOrderStatus,
+    issueDate: order.issueDate.toISOString(),
+    vendor: order.vendor,
+    notes: order.notes,
+    subtotal: totals.subtotal,
+    taxPercent: totals.taxPercent,
+    taxAmount: totals.taxAmount,
+    freightAmount: totals.freightAmount,
+    total: totals.total,
+    lines,
+  };
+}