feat:Creating Journal entry when submitting sales Invoice

virtual_pro/events/sales_invoice.py

@@ -1,21 +1,23 @@
 import frappe
 from frappe import _
+from frappe.utils import flt, nowdate
 
 
 def update_service_request(doc, method):
-    sp_name = frappe.db.get_value("Service Request", {"enquiry": doc.custom_enquiry}, "name")
-
-    if sp_name: 
-        sp = frappe.get_doc("Service Request", sp_name)
+    if doc.custom_enquiry:
+        sp_name = frappe.db.get_value("Service Request", {"enquiry": doc.custom_enquiry}, "name")
 
-        if doc.docstatus == 1:
-            sp.db_set('status', "Completed")
-            sp.db_set('sales_invoice', doc.name)
-        elif doc.docstatus == 2:
-            sp.db_set('status', "To Sales Invoice")
-            sp.db_set('sales_invoice', " ") 
-
-        sp.save()
+        if sp_name: 
+            sp = frappe.get_doc("Service Request", sp_name)
+
+            if doc.docstatus == 1:
+                sp.db_set('status', "Completed")
+                sp.db_set('sales_invoice', doc.name)
+            elif doc.docstatus == 2:
+                sp.db_set('status', "To Sales Invoice")
+                sp.db_set('sales_invoice', " ") 
+
+            sp.save()
 
 
 def create_tasks(doc, method):
@@ -197,4 +199,53 @@ def create_child_task(child, parent_task_name=None):
 
         create_task_and_todos()
 
-        frappe.msgprint(_("Tasks and ToDos created and assigned by email/role."))
+        frappe.msgprint(_("Tasks and ToDos created and assigned by email/role."))
+
+@frappe.whitelist()
+def create_journal_entry_for_cost_difference(doc, method):
+    total_cost_difference = 0
+    company = frappe.get_doc("Company", doc.company)
+    income_account = company.default_income_account
+
+    if not income_account:
+        frappe.throw("Please set a Default Income Account in Company settings.")
+
+    journal = frappe.new_doc("Journal Entry")
+    journal.voucher_type = "Journal Entry"
+    journal.posting_date = nowdate()
+    journal.company = doc.company
+    journal.remark = f"Cost Difference Journal Entry for Sales Invoice {doc.name}"
+
+    for item in doc.items:
+        cost_diff = flt(item.custom_cost_difference)
+        if cost_diff > 0 and item.expense_account:
+            total_cost_difference += cost_diff
+
+            journal.append("accounts", {
+                "account": item.expense_account,
+                "debit_in_account_currency": cost_diff
+            })
+
+    if total_cost_difference > 0:
+        journal.append("accounts", {
+            "account": income_account,
+            "credit_in_account_currency": total_cost_difference
+        })
+
+        journal.insert()
+        journal.submit()
+
+        doc.db_set("custom_ref_journal_entry", journal.name)
+
+
+@frappe.whitelist()
+def cancel_journal_entry_for_cost_difference(doc, method):
+    if doc.custom_ref_journal_entry:
+        try:
+            je = frappe.get_doc("Journal Entry", doc.custom_ref_journal_entry)
+            if je.docstatus == 1:
+                je.cancel()
+        except frappe.DoesNotExistError:
+            frappe.msgprint(f"Journal Entry {doc.custom_ref_journal_entry} not found.")
+
+        doc.db_set("custom_ref_journal_entry", None)

virtual_pro/hooks.py

@@ -43,7 +43,9 @@
 # page_js = {"page" : "public/js/file.js"}
 
 # include js in doctype views
-doctype_js = {"Quotation" : "public/js/quotation.js",}
+doctype_js = {"Quotation" : "public/js/quotation.js",
+            "Sales Invoice": "public/js/sales_invoice.js"
+            }
 doctype_list_js = {"Task" : "public/js/task_list.js"}
 # doctype_tree_js = {"doctype" : "public/js/doctype_tree.js"}
 # doctype_calendar_js = {"doctype" : "public/js/doctype_calendar.js"}
@@ -145,10 +147,12 @@
 "Sales Invoice": {  
     "on_submit": ["virtual_pro.events.sales_invoice.create_tasks",
                 "virtual_pro.events.sales_invoice.update_service_request",
-                  "virtual_pro.events.quotation.update_quotation_status"],
+                  "virtual_pro.events.quotation.update_quotation_status",
+                  "virtual_pro.events.sales_invoice.create_journal_entry_for_cost_difference"],
 
     "on_cancel": ["virtual_pro.events.sales_invoice.update_service_request",
-                  "virtual_pro.events.quotation.update_quotation_status"]
+                  "virtual_pro.events.quotation.update_quotation_status",
+                  "virtual_pro.events.sales_invoice.cancel_journal_entry_for_cost_difference"]
 },
 "ToDo": {
         "before_save":"virtual_pro.events.todo.before_save"

virtual_pro/public/js/sales_invoice.js

@@ -0,0 +1,17 @@
+frappe.ui.form.on('Sales Invoice Item', {
+    amount: function (frm, cdt, cdn) {
+        calculate_cost_difference(frm, cdt, cdn);
+    },
+    custom_cost: function (frm, cdt, cdn) {
+        calculate_cost_difference(frm, cdt, cdn);
+    }
+});
+
+function calculate_cost_difference(frm, cdt, cdn) {
+    let row = locals[cdt][cdn];
+    let amount = flt(row.amount);
+    let cost = flt(row.custom_cost);
+
+    row.custom_cost_difference = amount - cost;
+    frm.refresh_field("items");
+}

virtual_pro/virtual_pro/custom/packed_item.json

@@ -0,0 +1,32 @@
+{
+ "custom_fields": [],
+ "custom_perms": [],
+ "doctype": "Packed Item",
+ "links": [],
+ "property_setters": [
+  {
+   "_assign": null,
+   "_comments": null,
+   "_liked_by": null,
+   "_user_tags": null,
+   "creation": "2025-06-16 13:47:52.346508",
+   "default_value": null,
+   "doc_type": "Packed Item",
+   "docstatus": 0,
+   "doctype_or_field": "DocField",
+   "field_name": "rate",
+   "idx": 0,
+   "is_system_generated": 0,
+   "modified": "2025-06-16 13:47:52.346508",
+   "modified_by": "Administrator",
+   "module": null,
+   "name": "Packed Item-rate-read_only",
+   "owner": "Administrator",
+   "property": "read_only",
+   "property_type": "Check",
+   "row_name": null,
+   "value": "1"
+  }
+ ],
+ "sync_on_migrate": 1
+}