feat: navigate to stock ledger from batch report
diff --git a/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.js b/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.js
index b23c908..23700c9 100644
--- a/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.js
+++ b/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.js
@@ -16,6 +16,29 @@
 			"fieldtype": "Date",
 			"width": "80",
 			"default": frappe.datetime.get_today()
+		},
+		{
+			"fieldname": "item",
+			"label": __("Item"),
+			"fieldtype": "Link",
+			"options": "Item",
+			"width": "80"
 		}
-	]
+	],
+	"formatter": function (value, row, column, data, default_formatter) {
+		if (column.fieldname == "Batch" && data && !!data["Batch"]) {
+			value = data["Batch"];
+			column.link_onclick = "frappe.query_reports['Batch-Wise Balance History'].set_batch_route_to_stock_ledger(" + JSON.stringify(data) + ")";
+		}
+
+		value = default_formatter(value, row, column, data);
+		return value;
+	},
+	"set_batch_route_to_stock_ledger": function (data) {
+		frappe.route_options = {
+			"batch_no": data["Batch"]
+		};
+
+		frappe.set_route("query-report", "Stock Ledger");
+	}
 }
\ No newline at end of file
diff --git a/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.py b/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.py
index 7f7835f..2c95084 100644
--- a/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.py
+++ b/erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.py
@@ -2,9 +2,11 @@
 # License: GNU General Public License v3. See license.txt
 
 from __future__ import unicode_literals
+
 import frappe
 from frappe import _
-from frappe.utils import flt, cint, getdate
+from frappe.utils import cint, flt, getdate
+
 
 def execute(filters=None):
 	if not filters: filters = {}
@@ -17,29 +19,31 @@
 
 	data = []
 	for item in sorted(iwb_map):
-		for wh in sorted(iwb_map[item]):
-			for batch in sorted(iwb_map[item][wh]):
-				qty_dict = iwb_map[item][wh][batch]
-				if qty_dict.opening_qty or qty_dict.in_qty or qty_dict.out_qty or qty_dict.bal_qty:
-					data.append([item, item_map[item]["item_name"], item_map[item]["description"], wh, batch,
-						flt(qty_dict.opening_qty, float_precision), flt(qty_dict.in_qty, float_precision),
-						flt(qty_dict.out_qty, float_precision), flt(qty_dict.bal_qty, float_precision),
-						 item_map[item]["stock_uom"]
-					])
+		if not filters.get("item") or filters.get("item") == item:
+			for wh in sorted(iwb_map[item]):
+				for batch in sorted(iwb_map[item][wh]):
+					qty_dict = iwb_map[item][wh][batch]
+					if qty_dict.opening_qty or qty_dict.in_qty or qty_dict.out_qty or qty_dict.bal_qty:
+						data.append([item, item_map[item]["item_name"], item_map[item]["description"], wh, batch,
+							flt(qty_dict.opening_qty, float_precision), flt(qty_dict.in_qty, float_precision),
+							flt(qty_dict.out_qty, float_precision), flt(qty_dict.bal_qty, float_precision),
+							item_map[item]["stock_uom"]
+						])
 
 	return columns, data
 
+
 def get_columns(filters):
 	"""return columns based on filters"""
 
 	columns = [_("Item") + ":Link/Item:100"] + [_("Item Name") + "::150"] + [_("Description") + "::150"] + \
-	[_("Warehouse") + ":Link/Warehouse:100"] + [_("Batch") + ":Link/Batch:100"] + [_("Opening Qty") + ":Float:90"] + \
-	[_("In Qty") + ":Float:80"] + [_("Out Qty") + ":Float:80"] + [_("Balance Qty") + ":Float:90"] + \
-	[_("UOM") + "::90"]
-
+		[_("Warehouse") + ":Link/Warehouse:100"] + [_("Batch") + ":Link/Batch:100"] + [_("Opening Qty") + ":Float:90"] + \
+		[_("In Qty") + ":Float:80"] + [_("Out Qty") + ":Float:80"] + [_("Balance Qty") + ":Float:90"] + \
+		[_("UOM") + "::90"]
 
 	return columns
 
+
 def get_conditions(filters):
 	conditions = ""
 	if not filters.get("from_date"):
@@ -52,7 +56,8 @@
 
 	return conditions
 
-#get all details
+
+# get all details
 def get_stock_ledger_entries(filters):
 	conditions = get_conditions(filters)
 	return frappe.db.sql("""
@@ -63,6 +68,7 @@
 		order by item_code, warehouse""" %
 		conditions, as_dict=1)
 
+
 def get_item_warehouse_batch_map(filters, float_precision):
 	sle = get_stock_ledger_entries(filters)
 	iwb_map = {}
@@ -90,6 +96,7 @@
 
 	return iwb_map
 
+
 def get_item_details(filters):
 	item_map = {}
 	for d in frappe.db.sql("select name, item_name, description, stock_uom from tabItem", as_dict=1):
diff --git a/erpnext/stock/report/stock_ledger/stock_ledger.js b/erpnext/stock/report/stock_ledger/stock_ledger.js
index 3fab327..df3bba5 100644
--- a/erpnext/stock/report/stock_ledger/stock_ledger.js
+++ b/erpnext/stock/report/stock_ledger/stock_ledger.js
@@ -77,7 +77,15 @@
 			"fieldtype": "Link",
 			"options": "UOM"
 		}
-	]
+	],
+	"formatter": function (value, row, column, data, default_formatter) {
+		value = default_formatter(value, row, column, data);
+		if (column.fieldname == "out_qty" && data.out_qty < 0) {
+			value = "<span style='color:red'>" + value + "</span>";
+		}
+
+		return value;
+	},
 }
 
 // $(function() {
diff --git a/erpnext/stock/report/stock_ledger/stock_ledger.py b/erpnext/stock/report/stock_ledger/stock_ledger.py
index db7f6ad..dd53a00 100644
--- a/erpnext/stock/report/stock_ledger/stock_ledger.py
+++ b/erpnext/stock/report/stock_ledger/stock_ledger.py
@@ -2,9 +2,11 @@
 # License: GNU General Public License v3. See license.txt
 
 from __future__ import unicode_literals
+
 import frappe
-from frappe import _
 from erpnext.stock.utils import update_included_uom_in_report
+from frappe import _
+
 
 def execute(filters=None):
 	include_uom = filters.get("include_uom")
@@ -36,7 +38,22 @@
 
 			sle.update({
 				"qty_after_transaction": actual_qty,
-				"stock_value": stock_value
+				"stock_value": stock_value,
+				"in_qty": max(sle.actual_qty, 0),
+				"out_qty": min(sle.actual_qty, 0)
+			})
+
+		# get the name of the item that was produced using this item
+		if sle.voucher_type == "Stock Entry":
+			purpose, work_order, fg_completed_qty = frappe.db.get_value(sle.voucher_type, sle.voucher_no, ["purpose", "work_order", "fg_completed_qty"])
+
+			if purpose == "Manufacture" and work_order:
+				finished_product = frappe.db.get_value("Work Order", work_order, "item_name")
+				finished_qty = fg_completed_qty
+
+			sle.update({
+				"finished_product": finished_product,
+				"finished_qty": finished_qty,
 			})
 
 		data.append(sle)
@@ -47,53 +64,74 @@
 	update_included_uom_in_report(columns, data, include_uom, conversion_factors)
 	return columns, data
 
+
 def get_columns():
 	columns = [
-		{"label": _("Date"), "fieldname": "date", "fieldtype": "Datetime", "width": 95},
-		{"label": _("Item"), "fieldname": "item_code", "fieldtype": "Link", "options": "Item", "width": 130},
+		{"label": _("Date"), "fieldname": "date", "fieldtype": "Datetime", "width": 150},
+		{"label": _("Item"), "fieldname": "item_code", "fieldtype": "Link", "options": "Item", "width": 100},
 		{"label": _("Item Name"), "fieldname": "item_name", "width": 100},
+		{"label": _("Stock UOM"), "fieldname": "stock_uom", "fieldtype": "Link", "options": "UOM", "width": 90},
+		{"label": _("In Qty"), "fieldname": "in_qty", "fieldtype": "Float", "width": 80, "convertible": "qty"},
+		{"label": _("Out Qty"), "fieldname": "out_qty", "fieldtype": "Float", "width": 80, "convertible": "qty"},
+		{"label": _("Balance Qty"), "fieldname": "qty_after_transaction", "fieldtype": "Float", "width": 100, "convertible": "qty"},
+		{"label": _("Finished Product"), "fieldname": "finished_product", "width": 100},
+		{"label": _("Finished Qty"), "fieldname": "finished_qty", "fieldtype": "Float", "width": 100, "convertible": "qty"},
+		{"label": _("Voucher #"), "fieldname": "voucher_no", "fieldtype": "Dynamic Link", "options": "voucher_type", "width": 150},
+		{"label": _("Warehouse"), "fieldname": "warehouse", "fieldtype": "Link", "options": "Warehouse", "width": 150},
 		{"label": _("Item Group"), "fieldname": "item_group", "fieldtype": "Link", "options": "Item Group", "width": 100},
 		{"label": _("Brand"), "fieldname": "brand", "fieldtype": "Link", "options": "Brand", "width": 100},
 		{"label": _("Description"), "fieldname": "description", "width": 200},
-		{"label": _("Warehouse"), "fieldname": "warehouse", "fieldtype": "Link", "options": "Warehouse", "width": 100},
-		{"label": _("Stock UOM"), "fieldname": "stock_uom", "fieldtype": "Link", "options": "UOM", "width": 100},
-		{"label": _("Qty"), "fieldname": "actual_qty", "fieldtype": "Float", "width": 50, "convertible": "qty"},
-		{"label": _("Balance Qty"), "fieldname": "qty_after_transaction", "fieldtype": "Float", "width": 100, "convertible": "qty"},
-		{"label": _("Incoming Rate"), "fieldname": "incoming_rate", "fieldtype": "Currency", "width": 110,
-			"options": "Company:company:default_currency", "convertible": "rate"},
-		{"label": _("Valuation Rate"), "fieldname": "valuation_rate", "fieldtype": "Currency", "width": 110,
-			"options": "Company:company:default_currency", "convertible": "rate"},
-		{"label": _("Balance Value"), "fieldname": "stock_value", "fieldtype": "Currency", "width": 110,
-			"options": "Company:company:default_currency"},
+		{"label": _("Incoming Rate"), "fieldname": "incoming_rate", "fieldtype": "Currency", "width": 110, "options": "Company:company:default_currency", "convertible": "rate"},
+		{"label": _("Valuation Rate"), "fieldname": "valuation_rate", "fieldtype": "Currency", "width": 110, "options": "Company:company:default_currency", "convertible": "rate"},
+		{"label": _("Balance Value"), "fieldname": "stock_value", "fieldtype": "Currency", "width": 110, "options": "Company:company:default_currency"},
 		{"label": _("Voucher Type"), "fieldname": "voucher_type", "width": 110},
 		{"label": _("Voucher #"), "fieldname": "voucher_no", "fieldtype": "Dynamic Link", "options": "voucher_type", "width": 100},
 		{"label": _("Batch"), "fieldname": "batch_no", "fieldtype": "Link", "options": "Batch", "width": 100},
-		{"label": _("Serial #"), "fieldname": "serial_no", "width": 100},
+		{"label": _("Serial #"), "fieldname": "serial_no", "fieldtype": "Link", "options": "Serial No", "width": 100},
 		{"label": _("Project"), "fieldname": "project", "fieldtype": "Link", "options": "Project", "width": 100},
 		{"label": _("Company"), "fieldname": "company", "fieldtype": "Link", "options": "Company", "width": 110}
 	]
 
 	return columns
 
+
 def get_stock_ledger_entries(filters, items):
 	item_conditions_sql = ''
 	if items:
 		item_conditions_sql = 'and sle.item_code in ({})'\
 			.format(', '.join([frappe.db.escape(i) for i in items]))
 
-	return frappe.db.sql("""select concat_ws(" ", posting_date, posting_time) as date,
-			item_code, warehouse, actual_qty, qty_after_transaction, incoming_rate, valuation_rate,
-			stock_value, voucher_type, voucher_no, batch_no, serial_no, company, project, stock_value_difference
-		from `tabStock Ledger Entry` sle
-		where company = %(company)s and
-			posting_date between %(from_date)s and %(to_date)s
-			{sle_conditions}
-			{item_conditions_sql}
-			order by posting_date asc, posting_time asc, creation asc"""\
-		.format(
-			sle_conditions=get_sle_conditions(filters),
-			item_conditions_sql = item_conditions_sql
-		), filters, as_dict=1)
+	sl_entries = frappe.db.sql("""
+		SELECT
+			concat_ws(" ", posting_date, posting_time) AS date,
+			item_code,
+			warehouse,
+			actual_qty,
+			qty_after_transaction,
+			incoming_rate,
+			valuation_rate,
+			stock_value,
+			voucher_type,
+			voucher_no,
+			batch_no,
+			serial_no,
+			company,
+			project,
+			stock_value_difference
+		FROM
+			`tabStock Ledger Entry` sle
+		WHERE
+			company = %(company)s
+				AND posting_date BETWEEN %(from_date)s AND %(to_date)s
+				{sle_conditions}
+				{item_conditions_sql}
+		ORDER BY
+			posting_date asc, posting_time asc, creation asc
+		""".format(sle_conditions=get_sle_conditions(filters), item_conditions_sql=item_conditions_sql),
+		filters, as_dict=1)
+
+	return sl_entries
+
 
 def get_items(filters):
 	conditions = []
@@ -111,6 +149,7 @@
 			.format(" and ".join(conditions)), filters)
 	return items
 
+
 def get_item_details(items, sl_entries, include_uom):
 	item_details = {}
 	if not items:
@@ -140,6 +179,7 @@
 
 	return item_details
 
+
 def get_sle_conditions(filters):
 	conditions = []
 	if filters.get("warehouse"):
@@ -155,6 +195,7 @@
 
 	return "and {}".format(" and ".join(conditions)) if conditions else ""
 
+
 def get_opening_balance(filters, columns):
 	if not (filters.item_code and filters.warehouse and filters.from_date):
 		return
@@ -166,13 +207,17 @@
 		"posting_date": filters.from_date,
 		"posting_time": "00:00:00"
 	})
-	row = {}
-	row["item_code"] = _("'Opening'")
-	for dummy, v in ((9, 'qty_after_transaction'), (11, 'valuation_rate'), (12, 'stock_value')):
-			row[v] = last_entry.get(v, 0)
+
+	row = {
+		"item_code": _("'Opening'"),
+		"qty_after_transaction": last_entry.get("qty_after_transaction", 0),
+		"valuation_rate": last_entry.get("valuation_rate", 0),
+		"stock_value": last_entry.get("stock_value", 0)
+	}
 
 	return row
 
+
 def get_warehouse_condition(warehouse):
 	warehouse_details = frappe.db.get_value("Warehouse", warehouse, ["lft", "rgt"], as_dict=1)
 	if warehouse_details:
@@ -182,6 +227,7 @@
 
 	return ''
 
+
 def get_item_group_condition(item_group):
 	item_group_details = frappe.db.get_value("Item Group", item_group, ["lft", "rgt"], as_dict=1)
 	if item_group_details: