erpnext/public/js/communication.js

frappe.ui.form.on("Communication", {
	refresh: (frm) => {
		// setup custom Make button only if Communication is Email
		if (frm.doc.communication_medium == "Email" && frm.doc.sent_or_received == "Received") {
			frm.events.setup_custom_buttons(frm);
		}
	},

	setup_custom_buttons: (frm) => {
		let confirm_msg = "Are you sure you want to create {0} from this email?";
		if (frm.doc.reference_doctype !== "Issue") {
			frm.add_custom_button(
				__("Issue"),
				() => {
					frappe.confirm(__(confirm_msg, [__("Issue")]), () => {
						frm.trigger("make_issue_from_communication");
					});
				},
				__("Create")
			);
		}

		if (!["Lead", "Opportunity"].includes(frm.doc.reference_doctype)) {
			frm.add_custom_button(
				__("Lead"),
				() => {
					frappe.confirm(__(confirm_msg, [__("Lead")]), () => {
						frm.trigger("make_lead_from_communication");
					});
				},
				__("Create")
			);

			frm.add_custom_button(
				__("Opportunity"),
				() => {
					frappe.confirm(__(confirm_msg, [__("Opportunity")]), () => {
						frm.trigger("make_opportunity_from_communication");
					});
				},
				__("Create")
			);
		}
	},

	make_lead_from_communication: (frm) => {
		return frappe.call({
			method: "erpnext.crm.doctype.lead.lead.make_lead_from_communication",
			args: {
				communication: frm.doc.name,
			},
			freeze: true,
			callback: (r) => {
				if (r.message) {
					frm.reload_doc();
				}
			},
		});
	},

	make_issue_from_communication: (frm) => {
		return frappe.call({
			method: "erpnext.support.doctype.issue.issue.make_issue_from_communication",
			args: {
				communication: frm.doc.name,
			},
			freeze: true,
			callback: (r) => {
				if (r.message) {
					frm.reload_doc();
				}
			},
		});
	},

	make_opportunity_from_communication: (frm) => {
		const fields = [
			{
				fieldtype: "Link",
				label: __("Select a Company"),
				fieldname: "company",
				options: "Company",
				reqd: 1,
				default: frappe.defaults.get_user_default("Company"),
			},
		];

		frappe.prompt(
			fields,
			(data) => {
				frappe.call({
					method: "erpnext.crm.doctype.opportunity.opportunity.make_opportunity_from_communication",
					args: {
						communication: frm.doc.name,
						company: data.company,
					},
					freeze: true,
					callback: (r) => {
						if (r.message) {
							frm.reload_doc();
							frappe.show_alert({
								message: __("Opportunity {0} created", [
									'<a href="/app/opportunity/' + r.message + '">' + r.message + "</a>",
								]),
								indicator: "green",
							});
						}
					},
				});
			},
			"Create an Opportunity",
			"Create"
		);
	},
});