Coupon with Fixed amount discount for whole cart apply rule not working in graphql

[rani-priya]

Preconditions (*)

1. Magento version: 2.4
2. php version : 7.3

Steps to reproduce (*)

1. Go to magento backend

2. create a cart price rule with this configuration(In Apply set "Fixed amount discount for whole cart")
   

3. Then apply the same coupon on cart in by using graphql

4. In cart query check the grand total amount
   
   

Expected result (*)

1. Discount should be deducted from the grand total in cart query graphql

Actual result (*)

1. Discount is not deducting from the grand total in cart query graphql

---

Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

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[bharat1811]

@magento I am working on this.

[m2-assistant]

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[bharat1811]

@magento add to contributors team

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[bharat1811]

@magento I am working on this.

[bharat1811]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @bharat1811. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @bharat1811, here is your Magento Instance: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering
Admin access: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering/admin_1440
Login: 254116b9
Password: 5f7f638c1c5c

[bharat1811]

@rani-webkul
The issue is not reproducible in the latest version.
#Issue: not reproducible

Steps to verify,

1. Get customer cart details,
{
customerCart {
id
items {
id
product {
name
sku
}
quantity
}
}
}

2. Apply created promo code,
mutation {
applyCouponToCart(
input: {
cart_id: "HvzaWRCngNlChASgYZkP6kF5SpeufPcv"
coupon_code: "FLAT10"
}
) {
cart {
applied_coupons {
code
}
}
}
}

3. Get cart details,
{
cart(cart_id: "HvzaWRCngNlChASgYZkP6kF5SpeufPcv") {
email
telephone
billing_address {
city
country {
code
label
}
firstname
lastname
postcode
region {
code
label
}
street
telephone
}
shipping_addresses {
firstname
lastname
street
city
region {
code
label
}
country {
code
label
}
available_shipping_methods {
amount {
currency
value
}
available
carrier_code
carrier_title
error_message
method_code
method_title
price_excl_tax {
value
currency
}
price_incl_tax {
value
currency
}
}
selected_shipping_method {
amount {
value
currency
}
carrier_code
carrier_title
method_code
method_title
}
}
items {
id
product {
name
sku
}
quantity
}
available_payment_methods {
code
title
}
selected_payment_method {
code
title
}
applied_coupons {
code
}
prices {
subtotal_including_tax{
value
currency
},
discount{
amount{
value
}
}
grand_total {
value
currency
}
}
}
}

[rani-priya]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @rani-webkul. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @rani-webkul, here is your Magento Instance: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering
Admin access: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering/admin_82fb
Login: fb61d152
Password: abc997a2d2c6

[rani-priya]

@bharat1811 it's still reproduceable on upper instance as well.
Please use below cart query and then check
{
cart(cart_id: "l2X1hXV1PBgtdtMZMTseGWsVQzEcVpAi") {
email
billing_address {
city
country {
code
label
}
firstname
lastname
postcode
region {
code
label
region_id
}
street
telephone
}
shipping_addresses {
firstname
lastname
street
city
region {
code
label
region_id
}
country {
code
label
}
telephone
available_shipping_methods {
amount {
currency
value
}
available
carrier_code
carrier_title
error_message
method_code
method_title
price_excl_tax {
value
currency
}
price_incl_tax {
value
currency
}
}
selected_shipping_method {
amount {
value
currency
}
carrier_code
carrier_title
method_code
method_title
}
}
items {
id
prices {
row_total{
value
}
row_total_including_tax
{
value
}
total_item_discount {
value
}
price {
value
}
discounts {
label
amount {
value
}
}
}
... on SimpleCartItem {
customizable_options {
label
values {
value
}
}
}
... on ConfigurableCartItem {
configurable_options {
id
option_label
value_id
value_label
}
}
... on BundleCartItem {
bundle_options {
id
label
type
values {
id
label
price
quantity
}
}
}
product {
name
sku
stock_status
price_range{
minimum_price{
regular_price{
value
currency
}
}
maximum_price{
regular_price{
value
currency
}
}
}
image {
url
label
}
... on BundleProduct {
dynamic_sku
dynamic_price
items {
option_id
title
required
type
position
sku
options {
id
quantity
position
is_default
price
label
product {
id
name
sku
image {
url
label
}
__typename
}
}
}
}
... on CustomizableProductInterface {
options {
title
required
sort_order
option_id
__typename
... on CustomizableDropDownOption {
title
value {
price_type
option_type_id
title
price
sku
}
}
}
}
... on ConfigurableProduct {
configurable_options {
id
label
position
use_default
attribute_id
attribute_code
values {
value_index
label
}
product_id
}
variants {
product {
id
name
sku
stock_status
attribute_set_id
... on PhysicalProductInterface {
weight
}
price_range{
minimum_price{
regular_price{
value
currency
}
}
}
}
attributes {
label
code
value_index
}
}
}
crosssell_products {
name
sku
price_range {
minimum_price {
regular_price {
value
currency
}
final_price {
value
currency
}
discount {
amount_off
percent_off
}
}
maximum_price {
regular_price {
value
currency
}
final_price {
value
currency
}
discount {
amount_off
percent_off
}
}
}
image {
url
label
}
}
}
quantity
}
available_payment_methods {
code
title
}
selected_payment_method {
code
title
}
applied_coupons {
code
}
prices {
discounts {
amount {
value
}
label
}
grand_total{
value
currency
}
subtotal_including_tax{
value
currency
}
subtotal_excluding_tax{
value
currency
}
subtotal_with_discount_excluding_tax{
value
currency
}
applied_taxes{
amount {
value
currency
}
label
}
}
}
}

[rani-priya]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @rani-webkul. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @rani-webkul, here is your Magento Instance: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering
Admin access: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering/admin_fdd7
Login: d35d23aa
Password: 9f1a2d144b16

[sathiyaaa]

@magento I am working on this

[sathiyaaa]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @sathiyaaa. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @sathiyaaa, here is your Magento Instance: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering
Admin access: https://fe87be1a7cb1187e050f71ad653096dc-2-4-develop.instances.magento-community.engineering/admin_86b5
Login: 88c9b072
Password: b1da997f8ec8

[atishgoswami]

Thanks @rani-webkul for reporting this issue, I was also facing the same issue

This is the patch for the issue if anyone else might be looking for it 😄
https://github.com/magento/quality-patches/blob/master/patches/os/MDVA-31363__fixes_cart_price_rule_coupon_does_not_apply_via_graphQl__2.4.0.patch

[mariuscris]

Thank you @atishgoswami for the patch link. I have the same issue and I have tried to fix it with this patch:

--- a/vendor/magento/module-sales-rule/Model/Rule/Action/Discount/CartFixed.php
+++ b/vendor/magento/module-sales-rule/Model/Rule/Action/Discount/CartFixed.php
@@ -96,7 +96,7 @@
         if (!isset($cartRules[$rule->getId()])) {
             $cartRules[$rule->getId()] = $rule->getDiscountAmount();
         }
-        $availableDiscountAmount = (float) $cartRules[$rule->getId()];
+        $availableDiscountAmount = (float) $rule->getDiscountAmount();
         $discountType = self::$discountType . $rule->getId();

I believe the main problem is linked with \Magento\SalesRule\Model\Rule\Action\Discount\CartFixed and how the calculate method was build. The purpose of getCartFixedRules' on quote is very confusing for me. I see this data linked with multi-shipping and "allow shipping discount" option. In my case, I use discount for the whole cart without shipping and no multi-shipping.

The issue described in #31496 is most likely connected with this problem.
For the moment I will use both fixes, just in case the reset case is missing or forgotten.

[pykettk]

+1 for the solution from @mariuscris - worked for me! 😃

[JKair]

I meet this bug too.

[riconeitzel]

Confirmed that #30719 (comment) fixes the problem for us on 2.3.7-p2 in the regular checkout.

@mariuscris you have a typo in your comment ";;"

[mariuscris]

Thanks @riconeitzel for spotting the typo. It should be corrected by now

[ithunter0428]

Hi, I have an issue with cart Cart Price Rules.
If I make a new rule, it only apply to last product in cart.
Can anyone explain about it?

[m2-assistant]

Hi @engcom-Bravo. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

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[m2-assistant]

Hi @engcom-November. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

• 1. Verify that issue has all the required information. (Preconditions, Steps to reproduce, Expected result, Actual result).

  Details

  If the issue has a valid description, the label Issue: Format is valid will be added to the issue automatically. Please, edit issue description if needed, until label Issue: Format is valid appears.

• 2. Verify that issue has a meaningful description and provides enough information to reproduce the issue. If the report is valid, add Issue: Clear Description label to the issue by yourself.

• 3. Add Component: XXXXX label(s) to the ticket, indicating the components it may be related to.

• 4. Verify that the issue is reproducible on 2.4-develop branch

  Details

  - Add the comment @magento give me 2.4-develop instance to deploy test instance on Magento infrastructure.
  - If the issue is reproducible on 2.4-develop branch, please, add the label Reproduced on 2.4.x.
  - If the issue is not reproducible, add your comment that issue is not reproducible and close the issue and stop verification process here!

• 5. Add label Issue: Confirmed once verification is complete.

• 6. Make sure that automatic system confirms that report has been added to the backlog.

[engcom-November]

Hi @rani-priya Verified the issue on Magento 2.4-develop instance with query mentioned in comment and as per devdocs as well but the issue is not reproducible. Grand total is displayed after discount. Kindly recheck the issue on Magento 2.4-develop branch and provide missing steps if any if the issue is still reproducible.

[engcom-November]

Hi @rani-priya ,
We are closing this issue as there has been no latest update on the same. Kindly reopen / create new issue if you are still facing any issues.
Thank you.

[engcom-Alfa]

Hey all

as per discussion with the internal team confirming the ticket.