allow users to save presentation currency in Accounts Settings

erpnext/accounts/doctype/accounts_settings/accounts_settings.json

@@ -498,6 +498,67 @@
    "search_index": 0, 
    "set_only_once": 0, 
    "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fieldname": "report_sb", 
+   "fieldtype": "Section Break", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Reporting Currencies", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fieldname": "presentation_currency", 
+   "fieldtype": "Table", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Presentation Currency", 
+   "length": 0, 
+   "no_copy": 0, 
+   "options": "Presentation Currency", 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
   }
  ], 
  "has_web_view": 0, 
@@ -511,7 +572,7 @@
  "issingle": 1, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-01-05 15:26:10.357085", 
+ "modified": "2018-01-24 03:13:26.768894", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Accounts Settings", 

erpnext/accounts/doctype/presentation_currency/presentation_currency.json

@@ -0,0 +1,72 @@
+{
+ "allow_copy": 0, 
+ "allow_guest_to_view": 0, 
+ "allow_import": 0, 
+ "allow_rename": 0, 
+ "beta": 0, 
+ "creation": "2018-01-24 03:11:42.036008", 
+ "custom": 0, 
+ "docstatus": 0, 
+ "doctype": "DocType", 
+ "document_type": "", 
+ "editable_grid": 1, 
+ "engine": "InnoDB", 
+ "fields": [
+  {
+   "allow_bulk_edit": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fieldname": "currency", 
+   "fieldtype": "Link", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 1, 
+   "in_standard_filter": 0, 
+   "label": "Currency", 
+   "length": 0, 
+   "no_copy": 0, 
+   "options": "Currency", 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  }
+ ], 
+ "has_web_view": 0, 
+ "hide_heading": 0, 
+ "hide_toolbar": 0, 
+ "idx": 0, 
+ "image_view": 0, 
+ "in_create": 0, 
+ "is_submittable": 0, 
+ "issingle": 0, 
+ "istable": 1, 
+ "max_attachments": 0, 
+ "modified": "2018-01-24 03:21:28.353522", 
+ "modified_by": "Administrator", 
+ "module": "Accounts", 
+ "name": "Presentation Currency", 
+ "name_case": "", 
+ "owner": "Administrator", 
+ "permissions": [], 
+ "quick_entry": 1, 
+ "read_only": 0, 
+ "read_only_onload": 0, 
+ "show_name_in_global_search": 0, 
+ "sort_field": "modified", 
+ "sort_order": "DESC", 
+ "track_changes": 1, 
+ "track_seen": 0
+}

erpnext/accounts/doctype/presentation_currency/presentation_currency.py

@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe.model.document import Document
+
+class PresentationCurrency(Document):
+	pass

erpnext/startup/boot.py

@@ -12,7 +12,7 @@ def boot_session(bootinfo):
 	bootinfo.custom_css = frappe.db.get_value('Style Settings', None, 'custom_css') or ''
 	bootinfo.website_settings = frappe.get_doc('Website Settings')
 
-	if frappe.session['user']!='Guest':
+	if frappe.session['user'] != 'Guest':
 		update_page_info(bootinfo)
 
 		load_country_and_currency(bootinfo)
@@ -22,7 +22,9 @@ def boot_session(bootinfo):
 			'customer_group')
 		bootinfo.sysdefaults.allow_stale = cint(frappe.db.get_single_value('Accounts Settings',
 			'allow_stale'))
-
+		bootinfo.sysdefaults.presentation_currency = [
+			d.currency for d in frappe.get_doc('Accounts Settings', 'Accounts Settings').presentation_currency
+		]
 		bootinfo.notification_settings = frappe.get_doc("Notification Control",
 			"Notification Control")