feat: more control when printing RFQ

erpnext/buying/doctype/request_for_quotation/request_for_quotation.js

@@ -57,44 +57,93 @@ frappe.ui.form.on("Request for Quotation",{
 				});
 			}, __("Tools"));
 
-			frm.add_custom_button(__('Download PDF'), () => {
-				var suppliers = [];
-				const fields = [{
-					fieldtype: 'Link',
-					label: __('Select a Supplier'),
-					fieldname: 'supplier',
-					options: 'Supplier',
+			frm.add_custom_button(
+				__("Download PDF"),
+				() => {
+					frappe.prompt(
+						[
+							{
+								fieldtype: "Link",
+								label: "Select a Supplier",
+								fieldname: "supplier",
+								options: "Supplier",
 								reqd: 1,
+								default: frm.doc.suppliers?.length == 1 ? frm.doc.suppliers[0].supplier : "",
 								get_query: () => {
 									return {
 										filters: [
-								["Supplier", "name", "in", frm.doc.suppliers.map((row) => {return row.supplier;})]
-							]
-						}
-					}
-				}];
-
-				frappe.prompt(fields, data => {
-					var child = locals[cdt][cdn]
-
+											[
+												"Supplier",
+												"name",
+												"in",
+												frm.doc.suppliers.map((row) => {
+													return row.supplier;
+												}),
+											],
+										],
+									};
+								},
+							},
+							{
+								fieldtype: "Section Break",
+								label: "Print Settings",
+								fieldname: "print_settings",
+								collapsible: 1,
+							},
+							{
+								fieldtype: "Link",
+								label: "Print Format",
+								fieldname: "print_format",
+								options: "Print Format",
+								get_query: () => {
+									return {
+										filters: {
+											doc_type: "Request for Quotation",
+										},
+									};
+								},
+							},
+							{
+								fieldtype: "Link",
+								label: "Language",
+								fieldname: "language",
+								options: "Language",
+							},
+							{
+								fieldtype: "Link",
+								label: "Letter Head",
+								fieldname: "letter_head",
+								options: "Letter Head",
+							},
+						],
+						(data) => {
 							var w = window.open(
-						frappe.urllib.get_full_url("/api/method/erpnext.buying.doctype.request_for_quotation.request_for_quotation.get_pdf?"
-						+"doctype="+encodeURIComponent(frm.doc.doctype)
-						+"&name="+encodeURIComponent(frm.doc.name)
-						+"&supplier="+encodeURIComponent(data.supplier)
-						+"&no_letterhead=0"));
-					if(!w) {
-						frappe.msgprint(__("Please enable pop-ups")); return;
+								frappe.urllib.get_full_url(
+									"/api/method/erpnext.buying.doctype.request_for_quotation.request_for_quotation.get_pdf?" +
+									new URLSearchParams({
+										doctype: frm.doc.doctype,
+										name: frm.doc.name,
+										supplier: data.supplier,
+										print_format: data.print_format || "Standard",
+										language: data.language || frappe.boot.lang,
+										letter_head: data.letter_head || "",
+									}).toString()
+								)
+							);
+							if (!w) {
+								frappe.msgprint(__("Please enable pop-ups"));
+								return;
 							}
 						},
-				'Download PDF for Supplier',
-				'Download');
+						"Download PDF for Supplier",
+						"Download"
+					);
 				},
-			__("Tools"));
+				__("Tools")
+			);
 
-			frm.page.set_inner_btn_group_as_primary(__('Create'));
+			frm.page.set_inner_btn_group_as_primary(__("Create"));
 		}
-
 	},
 
 	make_supplier_quotation: function(frm) {

erpnext/buying/doctype/request_for_quotation/request_for_quotation.py

@@ -389,10 +389,17 @@ def create_rfq_items(sq_doc, supplier, data):
 
 
 @frappe.whitelist()
-def get_pdf(doctype, name, supplier):
-	doc = get_rfq_doc(doctype, name, supplier)
-	if doc:
-		download_pdf(doctype, name, doc=doc)
+def get_pdf(doctype, name, supplier, print_format=None, language=None, letter_head=None):
+	# permissions get checked in `download_pdf`
+	if doc := get_rfq_doc(doctype, name, supplier):
+		download_pdf(
+			doctype,
+			name,
+			print_format,
+			doc=doc,
+			language=language,
+			letter_head=letter_head or None,
+		)
 
 
 def get_rfq_doc(doctype, name, supplier):