[Website] Price in items list and sales uom management (#13335)

* Price in items list and sales uom management

* Price in product search page

* Display website stock in sales uom

* Add set_product_info_for_website to avoid duplicate code

* Add price uom in item list and page

* Update product.py
diff --git a/erpnext/setup/doctype/item_group/item_group.py b/erpnext/setup/doctype/item_group/item_group.py
index 0ff7c2b..d977133 100644
--- a/erpnext/setup/doctype/item_group/item_group.py
+++ b/erpnext/setup/doctype/item_group/item_group.py
@@ -9,9 +9,9 @@
 from frappe.website.website_generator import WebsiteGenerator
 from frappe.website.render import clear_cache
 from frappe.website.doctype.website_slideshow.website_slideshow import get_slideshow
+from erpnext.shopping_cart.product_info import set_product_info_for_website
 from erpnext.utilities.product import get_qty_in_stock
 
-
 class ItemGroup(NestedSet, WebsiteGenerator):
 	nsm_parent_field = 'parent_item_group'
 	website = frappe._dict(
@@ -105,9 +105,11 @@
 	query += """order by I.weightage desc, in_stock desc, I.modified desc limit %s, %s""" % (start, limit)
 
 	data = frappe.db.sql(query, {"product_group": product_group,"search": search, "today": nowdate()}, as_dict=1)
-
 	data = adjust_qty_for_expired_items(data)
 
+  for item in data:
+		set_product_info_for_website(item)
+
 	return [get_item_for_list_in_html(r) for r in data]
 
 
diff --git a/erpnext/shopping_cart/product_info.py b/erpnext/shopping_cart/product_info.py
index 6f9c8ac..33cac17 100644
--- a/erpnext/shopping_cart/product_info.py
+++ b/erpnext/shopping_cart/product_info.py
@@ -33,7 +33,8 @@
 		"in_stock": stock_status.in_stock if stock_status.is_stock_item else 1,
 		"qty": 0,
 		"uom": frappe.db.get_value("Item", item_code, "stock_uom"),
-		"show_stock_qty": show_quantity_in_website() if stock_status.is_stock_item else 0
+		"show_stock_qty": show_quantity_in_website() if stock_status.is_stock_item else 0,
+		"sales_uom": frappe.db.get_value("Item", item_code, "sales_uom")
 	}
 
 	if product_info["price"]:
@@ -42,4 +43,18 @@
 			if item:
 				product_info["qty"] = item[0].qty
 
-	return product_info
\ No newline at end of file
+	return product_info
+
+def set_product_info_for_website(item):
+	"""set product price uom for website"""
+	product_info = get_product_info_for_website(item.item_code)
+
+	if product_info:
+		item["stock_uom"] = product_info.get("uom")
+		item["sales_uom"] = product_info.get("sales_uom")
+		if product_info.get("price"):
+			item["price_stock_uom"] = product_info.get("price").get("formatted_price")
+			item["price_sales_uom"] = product_info.get("price").get("formatted_price_sales_uom")
+		else:
+			item["price_stock_uom"] = ""
+			item["price_sales_uom"] = ""
\ No newline at end of file
diff --git a/erpnext/templates/includes/product_page.js b/erpnext/templates/includes/product_page.js
index 722283e..e96263f 100644
--- a/erpnext/templates/includes/product_page.js
+++ b/erpnext/templates/includes/product_page.js
@@ -15,7 +15,8 @@
 			$(".item-cart").toggleClass("hide", (!!!r.message.price || !!!r.message.in_stock));
 			if(r.message && r.message.price) {
 				$(".item-price")
-					.html(r.message.price.formatted_price + " / " + r.message.uom);
+					.html(r.message.price.formatted_price_sales_uom + "<div style='font-size: small'>\
+						(" + r.message.price.formatted_price + " / " + r.message.uom + ")</div>");
 
 				if(r.message.in_stock==0) {
 					$(".item-stock").html("<div style='color: red'> <i class='fa fa-close'></i> {{ _("Not in stock") }}</div>");
diff --git a/erpnext/templates/includes/products_as_grid.html b/erpnext/templates/includes/products_as_grid.html
index 4a9692a..34c2ccd 100644
--- a/erpnext/templates/includes/products_as_grid.html
+++ b/erpnext/templates/includes/products_as_grid.html
@@ -5,6 +5,13 @@
 		<div class="product-image-img">
 			{{ product_image_square(thumbnail or website_image) }}
 			<div class="product-text" itemprop="name">{{ item_name }}</div>
+			{% if price_sales_uom %}
+				<div>{{ price_sales_uom }}</div>
+				<div style='font-size: small; margin-bottom: 10px;'>({{ price_stock_uom }} / {{ stock_uom }})</div>
+			{% else %}
+				<div>&nbsp</div>
+				<div style='font-size: small; margin-bottom: 10px;'>&nbsp</div>
+			{% endif %}
 			{% if in_stock or not is_stock_item %}
 				<div style='color: green'> <i class='fa fa-check'></i> {{ _("In stock") }}</div>
 			{% else %}
diff --git a/erpnext/templates/pages/product_search.py b/erpnext/templates/pages/product_search.py
index f2fd600..ff1dd7d 100644
--- a/erpnext/templates/pages/product_search.py
+++ b/erpnext/templates/pages/product_search.py
@@ -5,6 +5,7 @@
 import frappe
 from frappe.utils import cstr, nowdate, cint
 from erpnext.setup.doctype.item_group.item_group import get_item_for_list_in_html
+from erpnext.shopping_cart.product_info import set_product_info_for_website
 
 no_cache = 1
 no_sitemap = 1
@@ -42,5 +43,8 @@
 		"today": nowdate()
 	}, as_dict=1)
 
+	for item in data:
+		set_product_info_for_website(item)
+
 	return [get_item_for_list_in_html(r) for r in data]
 
diff --git a/erpnext/utilities/product.py b/erpnext/utilities/product.py
index b0cfbae..8596776 100644
--- a/erpnext/utilities/product.py
+++ b/erpnext/utilities/product.py
@@ -19,14 +19,16 @@
 		warehouse = frappe.db.get_value("Item", template_item_code, item_warehouse_field)
 
 	if warehouse:
-		stock_qty = frappe.db.sql("""select GREATEST(actual_qty - reserved_qty, 0) from tabBin where
-			item_code=%s and warehouse=%s""", (item_code, warehouse))
+		stock_qty = frappe.db.sql("""
+			select GREATEST(S.actual_qty - S.reserved_qty - S.reserved_qty_for_production - S.reserved_qty_for_sub_contract, 0) / IFNULL(C.conversion_factor, 1) 
+			from tabBin S
+			inner join `tabItem` I on S.item_code = I.Item_code
+			left join `tabUOM Conversion Detail` C on I.sales_uom = C.uom and C.parent = I.Item_code 
+			where S.item_code=%s and S.warehouse=%s""", (item_code, warehouse))
 
-	if stock_qty:
-		stock_qty = adjust_qty_for_expired_items(item_code, stock_qty, warehouse)
-
-	if stock_qty:
-		in_stock = stock_qty[0][0] > 0 and 1 or 0
+		if stock_qty:
+			stock_qty = adjust_qty_for_expired_items(item_code, stock_qty, warehouse)
+			in_stock = stock_qty[0][0] > 0 and 1 or 0
 
 	return frappe._dict({"in_stock": in_stock, "stock_qty": stock_qty, "is_stock_item": is_stock_item})
 
@@ -103,6 +105,14 @@
 					and (frappe.db.get_value("Currency", price_obj.currency, "symbol") or price_obj.currency) \
 					or ""
 
+				uom_conversion_factor = frappe.db.sql("""select	C.conversion_factor
+					from `tabUOM Conversion Detail` C
+					inner join `tabItem` I on C.uom = I.sales_uom
+					where C.parent = %s""", item_code)
+
+				uom_conversion_factor = uom_conversion_factor[0][0] if uom_conversion_factor else 1
+				price_obj["formatted_price_sales_uom"] = fmt_money(price_obj["price_list_rate"] * uom_conversion_factor, currency=price_obj["currency"])
+
 				if not price_obj["price_list_rate"]:
 					price_obj["price_list_rate"] = 0