feat: recursive product discount
diff --git a/erpnext/accounts/doctype/pricing_rule/pricing_rule.json b/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
index d08a854..81890d5 100644
--- a/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
+++ b/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
@@ -44,6 +44,14 @@
"column_break_21",
"min_amt",
"max_amt",
+ "product_discount_scheme_section",
+ "same_item",
+ "free_item",
+ "free_qty",
+ "free_item_rate",
+ "column_break_42",
+ "free_item_uom",
+ "is_recursive",
"section_break_23",
"valid_from",
"valid_upto",
@@ -62,13 +70,6 @@
"discount_amount",
"discount_percentage",
"for_price_list",
- "product_discount_scheme_section",
- "same_item",
- "free_item",
- "free_qty",
- "column_break_51",
- "free_item_uom",
- "free_item_rate",
"section_break_13",
"threshold_percentage",
"priority",
@@ -460,10 +461,6 @@
"label": "Qty"
},
{
- "fieldname": "column_break_51",
- "fieldtype": "Column Break"
- },
- {
"fieldname": "free_item_uom",
"fieldtype": "Link",
"label": "UOM",
@@ -553,19 +550,33 @@
"fieldname": "promotional_scheme",
"fieldtype": "Link",
"label": "Promotional Scheme",
- "options": "Promotional Scheme"
+ "no_copy": 1,
+ "options": "Promotional Scheme",
+ "print_hide": 1,
+ "read_only": 1
},
{
"description": "Simple Python Expression, Example: territory != 'All Territories'",
"fieldname": "condition",
"fieldtype": "Code",
"label": "Condition"
+ },
+ {
+ "fieldname": "column_break_42",
+ "fieldtype": "Column Break"
+ },
+ {
+ "default": "0",
+ "description": "Discounts to be applied in sequential ranges like buy 1 get 1, buy 2 get 2, buy 3 get 3 and so on",
+ "fieldname": "is_recursive",
+ "fieldtype": "Check",
+ "label": "Is Recursive"
}
],
"icon": "fa fa-gift",
"idx": 1,
"links": [],
- "modified": "2020-12-04 00:36:24.698219",
+ "modified": "2021-03-06 22:01:24.840422",
"modified_by": "Administrator",
"module": "Accounts",
"name": "Pricing Rule",
diff --git a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
index 0565264..9a3ea27 100644
--- a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
+++ b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
@@ -237,6 +237,7 @@
"doctype": args.doctype,
"has_margin": False,
"name": args.name,
+ "free_item_data": [],
"parent": args.parent,
"parenttype": args.parenttype,
"child_docname": args.get('child_docname')
diff --git a/erpnext/accounts/doctype/pricing_rule/utils.py b/erpnext/accounts/doctype/pricing_rule/utils.py
index d163335..210cd16 100644
--- a/erpnext/accounts/doctype/pricing_rule/utils.py
+++ b/erpnext/accounts/doctype/pricing_rule/utils.py
@@ -367,7 +367,7 @@
if items and doc.get("items"):
for row in doc.get('items'):
- if row.get(apply_on) not in items: continue
+ if (row.get(apply_on) or args.get(apply_on)) not in items: continue
if pr_doc.mixed_conditions:
amt = args.get('qty') * args.get("price_list_rate")
@@ -479,7 +479,7 @@
doc.calculate_taxes_and_totals()
elif d.price_or_product_discount == 'Product':
- item_details = frappe._dict({'parenttype': doc.doctype})
+ item_details = frappe._dict({'parenttype': doc.doctype, 'free_item_data': []})
get_product_discount_rule(d, item_details, doc=doc)
apply_pricing_rule_for_free_items(doc, item_details.free_item_data)
doc.set_missing_values()
@@ -508,9 +508,15 @@
frappe.throw(_("Free item not set in the pricing rule {0}")
.format(get_link_to_form("Pricing Rule", pricing_rule.name)))
- item_details.free_item_data = {
+ qty = pricing_rule.free_qty or 1
+ if pricing_rule.is_recursive:
+ transaction_qty = args.get('qty') if args else doc.total_qty
+ if transaction_qty:
+ qty = flt(transaction_qty) * qty
+
+ free_item_data_args = {
'item_code': free_item,
- 'qty': pricing_rule.free_qty or 1,
+ 'qty': qty,
'rate': pricing_rule.free_item_rate or 0,
'price_list_rate': pricing_rule.free_item_rate or 0,
'is_free_item': 1
@@ -519,24 +525,26 @@
item_data = frappe.get_cached_value('Item', free_item, ['item_name',
'description', 'stock_uom'], as_dict=1)
- item_details.free_item_data.update(item_data)
- item_details.free_item_data['uom'] = pricing_rule.free_item_uom or item_data.stock_uom
- item_details.free_item_data['conversion_factor'] = get_conversion_factor(free_item,
- item_details.free_item_data['uom']).get("conversion_factor", 1)
+ free_item_data_args.update(item_data)
+ free_item_data_args['uom'] = pricing_rule.free_item_uom or item_data.stock_uom
+ free_item_data_args['conversion_factor'] = get_conversion_factor(free_item,
+ free_item_data_args['uom']).get("conversion_factor", 1)
if item_details.get("parenttype") == 'Purchase Order':
- item_details.free_item_data['schedule_date'] = doc.schedule_date if doc else today()
+ free_item_data_args['schedule_date'] = doc.schedule_date if doc else today()
if item_details.get("parenttype") == 'Sales Order':
- item_details.free_item_data['delivery_date'] = doc.delivery_date if doc else today()
+ free_item_data_args['delivery_date'] = doc.delivery_date if doc else today()
+
+ item_details.free_item_data.append(free_item_data_args)
def apply_pricing_rule_for_free_items(doc, pricing_rule_args, set_missing_values=False):
- if pricing_rule_args.get('item_code'):
- items = [d.item_code for d in doc.items
- if d.item_code == (pricing_rule_args.get("item_code")) and d.is_free_item]
+ if pricing_rule_args:
+ items = tuple([d.item_code for d in doc.items if d.is_free_item])
- if not items:
- doc.append('items', pricing_rule_args)
+ for args in pricing_rule_args:
+ if not items or args.get('item_code') not in items:
+ doc.append('items', args)
def get_pricing_rule_items(pr_doc):
apply_on_data = []
diff --git a/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py b/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py
index 89f7238..6e13f06 100644
--- a/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py
+++ b/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py
@@ -21,7 +21,7 @@
'rate', 'discount_amount', 'discount_percentage', 'validate_applied_rule']
product_discount_fields = ['free_item', 'free_qty', 'free_item_uom',
- 'free_item_rate', 'same_item']
+ 'free_item_rate', 'same_item', 'is_recursive']
class PromotionalScheme(Document):
def validate(self):
diff --git a/erpnext/accounts/doctype/promotional_scheme_product_discount/promotional_scheme_product_discount.json b/erpnext/accounts/doctype/promotional_scheme_product_discount/promotional_scheme_product_discount.json
index 72d53bf..3eab515 100644
--- a/erpnext/accounts/doctype/promotional_scheme_product_discount/promotional_scheme_product_discount.json
+++ b/erpnext/accounts/doctype/promotional_scheme_product_discount/promotional_scheme_product_discount.json
@@ -1,10 +1,12 @@
{
+ "actions": [],
"creation": "2019-03-24 14:48:59.649168",
"doctype": "DocType",
"editable_grid": 1,
"engine": "InnoDB",
"field_order": [
"disable",
+ "apply_multiple_pricing_rules",
"column_break_2",
"rule_description",
"section_break_1",
@@ -25,7 +27,7 @@
"threshold_percentage",
"column_break_15",
"priority",
- "apply_multiple_pricing_rules"
+ "is_recursive"
],
"fields": [
{
@@ -152,10 +154,19 @@
"fieldname": "apply_multiple_pricing_rules",
"fieldtype": "Check",
"label": "Apply Multiple Pricing Rules"
+ },
+ {
+ "default": "0",
+ "description": "Discounts to be applied in sequential ranges like buy 1 get 1, buy 2 get 2, buy 3 get 3 and so on",
+ "fieldname": "is_recursive",
+ "fieldtype": "Check",
+ "label": "Is Recursive"
}
],
+ "index_web_pages_for_search": 1,
"istable": 1,
- "modified": "2019-07-21 00:00:56.674284",
+ "links": [],
+ "modified": "2021-03-06 21:58:18.162346",
"modified_by": "Administrator",
"module": "Accounts",
"name": "Promotional Scheme Product Discount",
diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index 23541c1..220c876 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -111,7 +111,10 @@
item.rate_with_margin, item.base_rate_with_margin = self.calculate_margin(item)
if flt(item.rate_with_margin) > 0:
item.rate = flt(item.rate_with_margin * (1.0 - (item.discount_percentage / 100.0)), item.precision("rate"))
- item.discount_amount = item.rate_with_margin - item.rate
+ if not item.discount_amount:
+ item.discount_amount = item.rate_with_margin - item.rate
+ elif not item.discount_percentage:
+ item.rate -= item.discount_amount
elif flt(item.price_list_rate) > 0:
item.discount_amount = item.price_list_rate - item.rate
elif flt(item.price_list_rate) > 0 and not item.discount_amount:
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 7d90d26..6f57793 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -576,7 +576,7 @@
var d = locals[cdt][cdn];
me.add_taxes_from_item_tax_template(d.item_tax_rate);
if (d.free_item_data) {
- me.apply_product_discount(d.free_item_data);
+ me.apply_product_discount(d);
}
},
() => {
@@ -1163,7 +1163,7 @@
calculate_stock_uom_rate: function(doc, cdt, cdn) {
let item = frappe.get_doc(cdt, cdn);
- item.stock_uom_rate = flt(item.rate)/flt(item.conversion_factor);
+ item.stock_uom_rate = flt(item.rate)/flt(item.conversion_factor);
refresh_field("stock_uom_rate", item.name, item.parentfield);
},
service_stop_date: function(frm, cdt, cdn) {
@@ -1504,7 +1504,7 @@
}
if (d.free_item_data) {
- me.apply_product_discount(d.free_item_data);
+ me.apply_product_discount(d);
}
if (d.apply_rule_on_other_items) {
@@ -1538,20 +1538,30 @@
}
},
- apply_product_discount: function(free_item_data) {
- const items = this.frm.doc.items.filter(d => (d.item_code == free_item_data.item_code
- && d.is_free_item)) || [];
+ apply_product_discount: function(args) {
+ const items = this.frm.doc.items.filter(d => (d.is_free_item)) || [];
- if (!items.length) {
- let row_to_modify = frappe.model.add_child(this.frm.doc,
- this.frm.doc.doctype + ' Item', 'items');
+ const exist_items = items.map(row => row.item_code);
- for (let key in free_item_data) {
- row_to_modify[key] = free_item_data[key];
+ args.free_item_data.forEach(pr_row => {
+ let row_to_modify = {};
+ if (!items || !in_list(exist_items, pr_row.item_code)) {
+
+ row_to_modify = frappe.model.add_child(this.frm.doc,
+ this.frm.doc.doctype + ' Item', 'items');
+
+ } else if(items) {
+ row_to_modify = items.filter(d => d.item_code === pr_row.item_code)[0];
}
- } if (items && items.length && free_item_data) {
- items[0].qty = free_item_data.qty
- }
+
+ for (let key in pr_row) {
+ row_to_modify[key] = pr_row[key];
+ }
+ });
+
+ // free_item_data is a temporary variable
+ args.free_item_data = '';
+ refresh_field('items');
},
apply_price_list: function(item, reset_plc_conversion) {