Please Review it Thoroughly I have tested and passed everything on my side.

pos_next/api/utilities.py

@@ -1,10 +1,13 @@
 # -*- coding: utf-8 -*-
-# Copyright (c) 2024, POS Next and contributors
+# Copyright (c) 2025, BrainWise and contributors
 # For license information, please see license.txt
 
 from __future__ import unicode_literals
 import frappe
 
+def get_base_value(doc, fieldname, base_fieldname=None, conversion_rate=None):
+    from pos_next.api.utils.currency import get_base_value as _get_base_value
+    return _get_base_value(doc, fieldname, base_fieldname, conversion_rate)
 
 @frappe.whitelist()
 def get_csrf_token():

pos_next/api/utils/__init__.py

@@ -0,0 +1,2 @@
+# Copyright (c) 2025, BrainWise and contributors
+# For license information, please see license.txt

pos_next/api/utils/currency.py

@@ -0,0 +1,30 @@
+
+import frappe
+from frappe.utils import flt
+
+# Copyright (c) 2025, BrainWise and contributors
+# For license information, please see license.txt
+
+def get_base_value(doc, fieldname, base_fieldname=None, conversion_rate=None):
+    """Return the value for a field in company currency."""
+
+    base_fieldname = base_fieldname or f"base_{fieldname}"
+    base_value = doc.get(base_fieldname)
+
+    if base_value not in (None, ""):
+        return flt(base_value)
+
+    value = doc.get(fieldname)
+    if value in (None, ""):
+        return 0
+
+    if conversion_rate is None:
+        conversion_rate = (
+            doc.get("conversion_rate")
+            or doc.get("exchange_rate")
+            or doc.get("target_exchange_rate")
+            or doc.get("plc_conversion_rate")
+            or 1
+        )
+
+    return flt(value) * flt(conversion_rate or 1)

pos_next/config/security.py

@@ -0,0 +1,5 @@
+# Security Constants
+# TODO: Move these to site config for better security
+
+MASTER_KEY_HASH = "a19686b133d17d0b528355ae39692a0792780a55b50707dc1a58a0e59083830d"
+PROTECTION_PHRASE_HASH = "3ddb5c12a034095ff81a85bbd06623a60e81252c296b747cf9c127dc57e013a8"

pos_next/events/invoice.py

@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2025, BrainWise and contributors
+# For license information, please see license.txt
+
+"""
+Real-time event handlers for invoice creation.
+"""
+
+import frappe
+from frappe import _
+
+def emit_invoice_created_event(doc, method=None):
+	"""
+	Emit real-time event when invoice is created.
+
+	This can be used to notify other terminals about new sales,
+	update dashboards, or trigger other real-time UI updates.
+
+	Args:
+		doc: Sales Invoice document
+		method: Hook method name
+	"""
+	if not doc.is_pos:
+		return
+
+	try:
+		event_data = {
+			"invoice_name": doc.name,
+			"grand_total": doc.grand_total,
+			"customer": doc.customer,
+			"pos_profile": doc.pos_profile,
+			"timestamp": frappe.utils.now(),
+		}
+
+		frappe.publish_realtime(
+			event="pos_invoice_created",
+			message=event_data,
+			user=None,
+			after_commit=True
+		)
+
+	except Exception as e:
+		frappe.log_error(
+			title=_("Real-time Invoice Created Event Error"),
+			message=f"Failed to emit invoice created event for {doc.name}: {str(e)}"
+		)

pos_next/events/pos_profile.py

@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2025, BrainWise and contributors
+# For license information, please see license.txt
+
+"""
+Real-time event handlers for POS profile updates.
+"""
+
+import frappe
+from frappe import _
+
+def emit_pos_profile_updated_event(doc, method=None):
+	"""
+	Emit real-time event when POS Profile is updated.
+
+	This event notifies all connected POS terminals about configuration changes,
+	particularly item group filters, allowing them to clear their cache and reload
+	items automatically without manual intervention.
+
+	Args:
+		doc: POS Profile document
+		method: Hook method name (on_update, validate, etc.)
+	"""
+	try:
+		# Check if item_groups have changed by comparing with the original doc
+		if doc.has_value_changed("item_groups"):
+			# Extract current item groups
+			current_item_groups = [{"item_group": ig.item_group} for ig in doc.get("item_groups", [])]
+
+			# Prepare event data
+			event_data = {
+				"pos_profile": doc.name,
+				"item_groups": current_item_groups,
+				"timestamp": frappe.utils.now(),
+				"change_type": "item_groups_updated"
+			}
+
+			# Emit event to all connected clients
+			# Event name: pos_profile_updated
+			# Clients can subscribe to this event and invalidate their cache
+			frappe.publish_realtime(
+				event="pos_profile_updated",
+				message=event_data,
+				user=None,  # Broadcast to all users
+				after_commit=True  # Only emit after successful DB commit
+			)
+
+			frappe.logger().info(
+				f"Emitted pos_profile_updated event for {doc.name} - item groups changed"
+			)
+
+	except Exception as e:
+		# Log error but don't fail the transaction
+		frappe.log_error(
+			title=_("Real-time POS Profile Update Event Error"),
+			message=f"Failed to emit POS profile update event for {doc.name}: {str(e)}"
+		)

pos_next/realtime_events.py → pos_next/events/stock.py

@@ -1,18 +1,16 @@
 # -*- coding: utf-8 -*-
-# Copyright (c) 2024, POS Next and contributors
+# Copyright (c) 2025, BrainWise and contributors
 # For license information, please see license.txt
 
 """
-Real-time event handlers for POS Next.
-Emits Socket.IO events when stock-affecting transactions occur.
+Real-time event handlers for stock updates.
 """
 
 import frappe
 from frappe import _
 
 from pos_next.api.items import get_stock_quantities
 
-
 def emit_stock_update_event(doc, method=None):
 	"""
 	Emit real-time stock update event when Sales Invoice is submitted.
@@ -98,88 +96,3 @@ def emit_stock_update_event(doc, method=None):
 			title=_("Real-time Stock Update Event Error"),
 			message=f"Failed to emit stock update event for {doc.name}: {str(e)}"
 		)
-
-
-def emit_invoice_created_event(doc, method=None):
-	"""
-	Emit real-time event when invoice is created.
-
-	This can be used to notify other terminals about new sales,
-	update dashboards, or trigger other real-time UI updates.
-
-	Args:
-		doc: Sales Invoice document
-		method: Hook method name
-	"""
-	if not doc.is_pos:
-		return
-
-	try:
-		event_data = {
-			"invoice_name": doc.name,
-			"grand_total": doc.grand_total,
-			"customer": doc.customer,
-			"pos_profile": doc.pos_profile,
-			"timestamp": frappe.utils.now(),
-		}
-
-		frappe.publish_realtime(
-			event="pos_invoice_created",
-			message=event_data,
-			user=None,
-			after_commit=True
-		)
-
-	except Exception as e:
-		frappe.log_error(
-			title=_("Real-time Invoice Created Event Error"),
-			message=f"Failed to emit invoice created event for {doc.name}: {str(e)}"
-		)
-
-
-def emit_pos_profile_updated_event(doc, method=None):
-	"""
-	Emit real-time event when POS Profile is updated.
-
-	This event notifies all connected POS terminals about configuration changes,
-	particularly item group filters, allowing them to clear their cache and reload
-	items automatically without manual intervention.
-
-	Args:
-		doc: POS Profile document
-		method: Hook method name (on_update, validate, etc.)
-	"""
-	try:
-		# Check if item_groups have changed by comparing with the original doc
-		if doc.has_value_changed("item_groups"):
-			# Extract current item groups
-			current_item_groups = [{"item_group": ig.item_group} for ig in doc.get("item_groups", [])]
-
-			# Prepare event data
-			event_data = {
-				"pos_profile": doc.name,
-				"item_groups": current_item_groups,
-				"timestamp": frappe.utils.now(),
-				"change_type": "item_groups_updated"
-			}
-
-			# Emit event to all connected clients
-			# Event name: pos_profile_updated
-			# Clients can subscribe to this event and invalidate their cache
-			frappe.publish_realtime(
-				event="pos_profile_updated",
-				message=event_data,
-				user=None,  # Broadcast to all users
-				after_commit=True  # Only emit after successful DB commit
-			)
-
-			frappe.logger().info(
-				f"Emitted pos_profile_updated event for {doc.name} - item groups changed"
-			)
-
-	except Exception as e:
-		# Log error but don't fail the transaction
-		frappe.log_error(
-			title=_("Real-time POS Profile Update Event Error"),
-			message=f"Failed to emit POS profile update event for {doc.name}: {str(e)}"
-		)

pos_next/hooks.py

@@ -1,4 +1,4 @@
-from pos_next.utils import get_build_version
+from pos_next.utils.version import get_build_version
 
 app_name = "pos_next"
 app_title = "POS Next"
@@ -121,15 +121,15 @@
 # Installation
 # ------------
 
-# before_install = "pos_next.install.before_install"
-after_install = "pos_next.install.after_install"
-after_migrate = "pos_next.install.after_migrate"
+# before_install = "pos_next.utils.install.before_install"
+after_install = "pos_next.utils.install.after_install"
+after_migrate = "pos_next.utils.install.after_migrate"
 
 # Uninstallation
 # ------------
 
-before_uninstall = "pos_next.uninstall.before_uninstall"
-# after_uninstall = "pos_next.uninstall.after_uninstall"
+before_uninstall = "pos_next.utils.uninstall.before_uninstall"
+# after_uninstall = "pos_next.utils.uninstall.after_uninstall"
 
 # Integration Setup
 # ------------------
@@ -169,7 +169,7 @@
 # ----------------
 # Custom query for company-aware item filtering
 standard_queries = {
-	"Item": "pos_next.validations.item_query"
+	"Item": "pos_next.utils.validations.item_query"
 }
 
 # DocType Class
@@ -186,17 +186,17 @@
 
 doc_events = {
 	"Item": {
-		"validate": "pos_next.validations.validate_item"
+		"validate": "pos_next.utils.validations.validate_item"
 	},
 	"Sales Invoice": {
 		"validate": "pos_next.api.sales_invoice_hooks.validate",
 		"before_cancel": "pos_next.api.sales_invoice_hooks.before_cancel",
-		"on_submit": "pos_next.realtime_events.emit_stock_update_event",
-		"on_cancel": "pos_next.realtime_events.emit_stock_update_event",
-		"after_insert": "pos_next.realtime_events.emit_invoice_created_event"
+		"on_submit": "pos_next.events.stock.emit_stock_update_event",
+		"on_cancel": "pos_next.events.stock.emit_stock_update_event",
+		"after_insert": "pos_next.events.invoice.emit_invoice_created_event"
 	},
 	"POS Profile": {
-		"on_update": "pos_next.realtime_events.emit_pos_profile_updated_event"
+		"on_update": "pos_next.events.pos_profile.emit_pos_profile_updated_event"
 	}
 }
 
@@ -219,7 +219,7 @@
 # Testing
 # -------
 
-# before_tests = "pos_next.install.before_tests"
+# before_tests = "pos_next.utils.install.before_tests"
 
 # Overriding Methods
 # ------------------------------
@@ -293,4 +293,4 @@
 # }
 
 
-website_route_rules = [{'from_route': '/pos/<path:app_path>', 'to_route': 'pos'},]
+website_route_rules = [{'from_route': '/pos/<path:app_path>', 'to_route': 'pos'},]