refactor: Exchange rate revaluation to handle accounts with zero acco…

…unt balance (#33165)

* refactor: new type for JE - Exchange Gain or Loss

* refactor: skip few validations for Exchanage Gain Or Loss type Jour

* refactor: ERR create 2 journals for handling zero and non-zero compa

1. Additional check box accounts table to identify accounts with zero balance
2. Accounts with zero balance only in either of the 2 currencies will be handled on separate Journal

* refactor: skips few validation for allowing 0 debit/credit

* fix: General Ledger presentaion currency

* test: fix test case in general ledger

* test: fix failing test case in AR report

(cherry picked from commit 914b230)

erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.js

@@ -26,7 +26,7 @@ frappe.ui.form.on('Exchange Rate Revaluation', {
 				doc: frm.doc,
 				callback: function(r) {
 					if (r.message) {
-						frm.add_custom_button(__('Journal Entry'), function() {
+						frm.add_custom_button(__('Journal Entries'), function() {
 							return frm.events.make_jv(frm);
 						}, __('Create'));
 					}
@@ -35,10 +35,11 @@ frappe.ui.form.on('Exchange Rate Revaluation', {
 		}
 	},
 
-	get_entries: function(frm) {
+	get_entries: function(frm, account) {
 		frappe.call({
 			method: "get_accounts_data",
 			doc: cur_frm.doc,
+			account: account,
 			callback: function(r){
 				frappe.model.clear_table(frm.doc, "accounts");
 				if(r.message) {
@@ -57,7 +58,6 @@ frappe.ui.form.on('Exchange Rate Revaluation', {
 
 		let total_gain_loss = 0;
 		frm.doc.accounts.forEach((d) => {
-			d.gain_loss = flt(d.new_balance_in_base_currency, precision("new_balance_in_base_currency", d)) - flt(d.balance_in_base_currency, precision("balance_in_base_currency", d));
 			total_gain_loss += flt(d.gain_loss, precision("gain_loss", d));
 		});
 
@@ -66,13 +66,19 @@ frappe.ui.form.on('Exchange Rate Revaluation', {
 	},
 
 	make_jv : function(frm) {
+		let revaluation_journal = null;
+		let zero_balance_journal = null;
 		frappe.call({
-			method: "make_jv_entry",
+			method: "make_jv_entries",
 			doc: frm.doc,
+			freeze: true,
+			freeze_message: "Making Journal Entries...",
 			callback: function(r){
 				if (r.message) {
-					var doc = frappe.model.sync(r.message)[0];
-					frappe.set_route("Form", doc.doctype, doc.name);
+					let response = r.message;
+					if(response['revaluation_jv'] || response['zero_balance_jv']) {
+						frappe.msgprint(__("Journals have been created"));
+					}
 				}
 			}
 		});

erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.json

@@ -14,6 +14,9 @@
   "get_entries",
   "accounts",
   "section_break_6",
+  "gain_loss_unbooked",
+  "gain_loss_booked",
+  "column_break_10",
   "total_gain_loss",
   "amended_from"
  ],
@@ -59,13 +62,6 @@
    "fieldname": "section_break_6",
    "fieldtype": "Section Break"
   },
-  {
-   "fieldname": "total_gain_loss",
-   "fieldtype": "Currency",
-   "label": "Total Gain/Loss",
-   "options": "Company:company:default_currency",
-   "read_only": 1
-  },
   {
    "fieldname": "amended_from",
    "fieldtype": "Link",
@@ -74,11 +70,37 @@
    "options": "Exchange Rate Revaluation",
    "print_hide": 1,
    "read_only": 1
+  },
+  {
+   "fieldname": "gain_loss_unbooked",
+   "fieldtype": "Currency",
+   "label": "Gain/Loss from Revaluation",
+   "options": "Company:company:default_currency",
+   "read_only": 1
+  },
+  {
+   "description": "Gain/Loss accumulated in foreign currency account. Accounts with '0' balance in either Base or Account currency",
+   "fieldname": "gain_loss_booked",
+   "fieldtype": "Currency",
+   "label": "Gain/Loss already booked",
+   "options": "Company:company:default_currency",
+   "read_only": 1
+  },
+  {
+   "fieldname": "total_gain_loss",
+   "fieldtype": "Currency",
+   "label": "Total Gain/Loss",
+   "options": "Company:company:default_currency",
+   "read_only": 1
+  },
+  {
+   "fieldname": "column_break_10",
+   "fieldtype": "Column Break"
   }
  ],
  "is_submittable": 1,
  "links": [],
- "modified": "2022-11-17 10:28:03.911554",
+ "modified": "2022-12-29 19:38:24.416529",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Exchange Rate Revaluation",