feat: optimize POS print template size for compatibility with POS machines

src/pages/PrintView/PrintView.vue

@@ -39,8 +39,12 @@
         :template="printProps.template"
         :values="printProps.values"
         :scale="scale"
-        :width="templateDoc?.width"
-        :height="templateDoc?.height"
+        :width="
+          templateName?.startsWith('POS')
+            ? fyo.singles.PrintSettings?.posPrintWidth
+            : templateDoc?.width
+        "
+        :height="templateName.startsWith('POS') ? 22 : templateDoc?.height"
       />
     </div>
   </div>

src/pages/TemplateBuilder/TemplateBuilder.vue

@@ -55,8 +55,8 @@
             :scale="scale"
             :height="doc.name.startsWith('POS') ? 20 : doc.height"
             :width="
-              doc.name.startsWith('POS') &&
-              fyo.singles.PrintSettings.posPrintWidth
+              doc.name?.startsWith('POS') &&
+              fyo.singles.PrintSettings?.posPrintWidth
                 ? fyo.singles.PrintSettings.posPrintWidth
                 : doc.width
             "

src/utils/printTemplates.ts

@@ -13,6 +13,7 @@ import {
   showExportInFolder,
 } from './ui';
 import { Money } from 'pesa';
+import { SalesInvoice } from 'models/baseModels/SalesInvoice/SalesInvoice';
 
 export type PrintTemplateHint = {
   [key: string]: string | PrintTemplateHint | PrintTemplateHint[];
@@ -40,6 +41,18 @@ export async function getPrintTemplatePropValues(
   const values: PrintValues = { doc: {}, print: {} };
   values.doc = await getPrintTemplateDocValues(doc);
 
+  const totalTax = await (doc as Invoice)?.getTotalTax();
+  const paymentId = await (doc as SalesInvoice).getPaymentIds();
+
+  const paymentDoc = await fyo.doc.getDoc(ModelNameEnum.Payment, paymentId[0]);
+
+  (values.doc as PrintTemplateData).paymentMethod = paymentDoc.paymentMethod;
+
+  (values.doc as PrintTemplateData).subTotal = doc.fyo.format(
+    (doc.grandTotal as Money).sub(totalTax),
+    ModelNameEnum.Currency
+  );
+
   const printSettings = await fyo.doc.getDoc(ModelNameEnum.PrintSettings);
   const printValues = await getPrintTemplateDocValues(
     printSettings,