order partial and fully processing with sending mail

resources/PD_Orders/invoiceModel.js

@@ -34,7 +34,7 @@ const orderItemSchema = new Schema({
     type: Number,
     required: true,
   },
-  quantity: {
+  processquantity: { //updated quantity
     type: Number,
     required: true,
     default: 1,

resources/PD_Orders/pdOrderController.js

@@ -79,7 +79,7 @@ export const processOrder = async (req, res) => {
     }
 
     // Find the order by ID
-    const order = await PdOrder.findById(orderId);
+    const order = await PdOrder.findById(orderId).populate('addedBy');
 
     if (!order) {
       return res.status(404).json({ error: 'Order not found' });
@@ -88,25 +88,25 @@ export const processOrder = async (req, res) => {
     // Validate quantities
     for (const item of invoiceItems) {
       const orderItem = order.orderItem.find(i => i.productId.toString() === item.productId.toString());
-      if (orderItem && item.quantity > orderItem.remainingQuantity) {
+      if (orderItem && item.processquantity > orderItem.remainingQuantity) {
         return res.status(400).json({ error: `Product '${item.name}' has more quantity than remaining in the order.` });
       }
     }
 
     // Generate unique invoice number
     const existingInvoices = await Invoice.find({ orderId });
-    const invoiceNumber = existingInvoices.length + 1; 
+    const invoiceNumber = existingInvoices.length + 1;
     const invoiceId = `ch/${order.uniqueId}/${invoiceItems.length}/${invoiceNumber}`;
 
-    // Calculate subtotal, gstTotal, and invoiceAmount
+    // Calculate subtotal, gstTotal, and invoiceAmount for processed items
     let subtotal = 0;
     let gstTotal = 0;
     let invoiceAmount = 0;
 
     invoiceItems.forEach(item => {
-      const itemSubtotal = item.price * item.quantity;
+      const itemSubtotal = item.price * item.processquantity;
-      const itemGST = (item.price * item.GST) / 100 * item.quantity;
+      const itemGST = (item.price * item.GST / 100) * item.processquantity;
-      
+
       subtotal += itemSubtotal;
       gstTotal += itemGST;
       invoiceAmount += itemSubtotal + itemGST;
@@ -130,7 +130,7 @@ export const processOrder = async (req, res) => {
     order.orderItem.forEach(item => {
       const invoicedItem = invoiceItems.find(i => i.productId.toString() === item.productId.toString());
       if (invoicedItem) {
-        item.remainingQuantity -= invoicedItem.quantity;
+        item.remainingQuantity -= invoicedItem.processquantity;
         if (item.remainingQuantity < 0) {
           item.remainingQuantity = 0; // Ensure it does not go negative
         }
@@ -140,20 +140,130 @@ export const processOrder = async (req, res) => {
       }
     });
 
+    // Calculate total amount for pending items
+    let pendingTotalAmount = 0;
+    order.orderItem.forEach(item => {
+      if (item.remainingQuantity > 0) {
+        const itemPendingSubtotal = item.price * item.remainingQuantity;
+        const itemPendingGST = (item.price * item.GST / 100) * item.remainingQuantity;
+        pendingTotalAmount += itemPendingSubtotal + itemPendingGST;
+      }
+    });
+
     // Update the order status
     order.status = allItemsProcessed ? 'processing' : 'pending';
 
     // Save the updated order
     await order.save();
 
-    return res.status(201).json({
+    // Prepare the email content
-      message: 'Invoice created and order processed successfully',
+    const processedItems = invoiceItems.map((item, index) => `
-      invoice: savedInvoice,
+      <tr>
-      order: order,
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">${index + 1}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">${item.name}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">
+          ${item.image && item.image.length > 0 ? `<img src="${item.image[0]?.url}" alt="${item.name}" style="max-width: 40px; height: auto;">` : 'No Image'}
+        </td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">${item.processquantity}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${item.price}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${(item.GST * item.price) / 100}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${(item.price + (item.GST * item.price) / 100) * item.processquantity}</td>
+      </tr>
+    `).join("");
+
+    const pendingItems = order.orderItem.filter(item => item.remainingQuantity > 0).map((item, index) => `
+      <tr>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">${index + 1}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">${item.name}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">
+          ${item.image && item.image.length > 0 ? `<img src="${item.image[0]?.url}" alt="${item.name}" style="max-width: 40px; height: auto;">` : 'No Image'}
+        </td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">${item.remainingQuantity}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${item.price}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${(item.GST * item.price) / 100}</td>
+        <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${(item.price + (item.GST * item.price) / 100) * item.remainingQuantity}</td>
+      </tr>
+    `).join("");
+
+    // Dynamic email subject and message based on the order status
+    const emailSubject = allItemsProcessed
+      ? `Your Order #${order.uniqueId} is in Processing!`
+      : `Your Order #${order.uniqueId} is Partially Processed!`;
+
+      const emailMessage = allItemsProcessed
+      ? `
+          <h3>Exciting news! Your order #${order.uniqueId} has entered the processing phase. We're working hard to ensure everything is perfect for you.</h3>
+          <p>Your invoice ID is: <strong>${savedInvoice.invoiceId}</strong></p>
+        `
+      : `
+          <h3>Good news! Some items of your order #${order.uniqueId} have been processed. The remaining items will be processed soon.</h3>
+          <p>Your invoice ID is: <strong>${savedInvoice.invoiceId}</strong></p>
+        `;    
+
+    await sendEmail({
+      to: order.addedBy.email,
+      from: process.env.SEND_EMAIL_FROM,
+      subject: emailSubject,
+      html: `
+        <div style="font-family: Arial, sans-serif; color: #333;">
+          ${emailMessage}
+          <strong style="color: #1b03a3; font-size: 16px;">Hi ${order.addedBy.name},</strong>
+          <h4 style="color: #333;">Order Status: ${order.status.charAt(0).toUpperCase() + order.status.slice(1)}</h4>
+
+          <h4 style="color: #333;">Processed Items:</h4>
+          <table style="border-collapse: collapse; width: 100%;">
+            <thead>
+              <tr>
+                <th style="border: 1px solid #555; padding: 2px; text-align: center;">S No.</th>
+                <th style="border: 1px solid #555; padding: 2px; text-align: center;">Product Name</th>
+                <th style="border: 1px solid #555; padding: 2px; text-align: center;">Image</th>
+                <th style="border: 1px solid #555; padding: 2px; text-align: center;">Quantity</th>
+                <th style="border: 1px solid #555; padding: 2px; text-align: center;">Price</th>
+                <th style="border: 1px solid #555; padding: 2px; text-align: center;">GST Amount</th>
+                <th style="border: 1px solid #555; padding: 2px; text-align: center;">SubTotal</th>
+              </tr>
+            </thead>
+            <tbody>
+              ${processedItems}
+              <tr>
+                <th colspan="6" style="border: 1px solid #555; padding: 2px; text-align: right;">Total Amount:</th>
+                <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${savedInvoice.invoiceAmount.toFixed(2)}</td>
+              </tr>
+            </tbody>
+          </table>
+
+          ${pendingItems.length > 0 ? `
+            <h4 style="color: #333;">Pending Items:</h4>
+            <table style="border-collapse: collapse; width: 100%;">
+              <thead>
+                <tr>
+                  <th style="border: 1px solid #555; padding: 2px; text-align: center;">S No.</th>
+                  <th style="border: 1px solid #555; padding: 2px; text-align: center;">Product Name</th>
+                  <th style="border: 1px solid #555; padding: 2px; text-align: center;">Image</th>
+                  <th style="border: 1px solid #555; padding: 2px; text-align: center;">Quantity</th>
+                  <th style="border: 1px solid #555; padding: 2px; text-align: center;">Price</th>
+                  <th style="border: 1px solid #555; padding: 2px; text-align: center;">GST Amount</th>
+                  <th style="border: 1px solid #555; padding: 2px; text-align: center;">SubTotal</th>
+                </tr>
+              </thead>
+              <tbody>
+                ${pendingItems}
+                <tr>
+                  <th colspan="6" style="border: 1px solid #555; padding: 2px; text-align: right;">Pending Amount:</th>
+                  <td style="border: 1px solid #555; padding: 2px; text-align: center;">₹${pendingTotalAmount.toFixed(2)}</td>
+                </tr>
+              </tbody>
+            </table>
+          ` : ''}
+        </div>
+      `,
     });
+
+    res.status(200).json({ message: 'Order processed and invoice created successfully', invoiceId: savedInvoice.invoiceId });
+
   } catch (error) {
-    console.error(error);
+    console.error('Error processing order:', error);
-    return res.status(500).json({ error: 'Internal server error' });
+    res.status(500).json({ error: 'An error occurred while processing the order' });
   }
 };