"Minimum Qty Allowed in Shopping Cart" functionality breaks product "Update Attributes" functionality

[samgranger]

Preconditions (*)

1. Magento 2.2.7 / 2.3.0

Steps to reproduce (*)

1. Check the value of cataloginventory/item_options/min_sale_qty, the default value is 1.
2. Go to: Stores -> Configuration -> Catalog -> Inventory
3. Make sure there are multiple or no rules for 'Minimum Qty Allowed in Shopping Cart' & save your configuration.
4. You'll now see that cataloginventory/item_options/min_sale_qty gets an array as a value.
5. Go to: Catalog -> Products
6. Select one or more products and click on Update Attributes in the Actions dropdown menu.

Expected result (*)

1. The ability to do a Mass Update of attributes for the selected product(s).

Actual result (*)

1. No form visible
2. Our system.log reports the following issue:

main.CRITICAL: Warning: A non-numeric value encountered in vendor/magento/module-catalog/view/adminhtml/templates/catalog/product/edit/action/inventory.phtml on line 135

This is because cataloginventory/item_options/min_sale_qty is no longer a numeric value.

[magento-engcom-team]

Hi @samgranger. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

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• Steps to reproduce
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Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento-engcom-team give me 2.3-develop instance - upcoming 2.3.x release

For more details, please, review the Magento Contributor Assistant documentation.

@samgranger do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[hiren0241]

@magento-engcom-team give me 2.3-develop instance

[magento-engcom-team]

Hi @hiren0241. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @hiren0241, here is your Magento instance.
Admin access: https://i-21640-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[hiren0241]

Hi @samgranger, By following steps to reproduce, I am unable to reproduce it.

[samgranger]

@hiren0241 I noticed the setting wasn't changed, see screenshot. I have changed this for you. Please try the Update Attributes functionality again.

[hiren0241]

@samgranger Okay, got your point. Let me try once again.

[hiren0241]

@samgranger Reproduced. Thanks for correction.

[magento-engcom-team]

Hi @hiren0241. Thank you for working on this issue.
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[magento-engcom-team]

✅ Confirmed by @hiren0241
Thank you for verifying the issue! 👍 Your confirmation will help us to acknowledge and process this report.

[hiren0241]

@magento-engcom-team give me 2.2-develop instance

[magento-engcom-team]

Hi @hiren0241. Thank you for your request. I'm working on Magento 2.2-develop instance for you

[magento-engcom-team]

Hi @hiren0241, here is your Magento instance.
Admin access: https://i-21640-2-2-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[magento-engcom-team]

Hi @hiren0241. Thank you for working on this issue.
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[hiren0241]

@samgranger
Issue confirmed: https://prnt.sc/mv00le
Presently, I am working on this issue.

[magento-engcom-team]

Hi @shikhamis11. Thank you for working on this issue.
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[samgranger]

Great, thank you @hiren0241

[magento-engcom-team]

✅ Confirmed by @shikhamis11
Thank you for verifying the issue. Based on the provided information internal tickets MAGETWO-98627, MAGETWO-98628 were created

Issue Available: @shikhamis11, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

[hiren0241]

@samgranger While getting configuration from database , this value: '{"32000":456,"0":123}' creates an error. we need to unserialize the config value.
I case of default value, nothing is happen. But, while we not using default system config it gives an error.

[samgranger]

@hiren0241 Indeed, I believe this use to be a fixed integer value configuration but now it can vary per user group. You'd expect the default value would also be an object now instead of just being 1.

[hiren0241]

@samgranger I have fixed issue by getting exact configuration value set by back-end configuration. Now, whatever sets in back-end same will reflect in frontend as well.

[dmytro-ch]

Hi @samgranger,
thank you for your report!

This bug has been already reported in #17592.
So I'm closing the current issue in order to avoid duplicates.

Thank you!