[Log in] Parse error related to public-api.wordpress.com availability

[samiuelson]

WP API (public-api.wordpress.com) availability error handling

WOOMOB-924

Description

This PR adds parsing of the API error related to *.wordpress.com resources being unavailable, which can be related to DNS service blocking the WP domain.

Steps to reproduce

In order to block public-api.wordpress.com, you can use various tools, like local DNS Service implementation or specialized apps, e.g. Rethink DNS.
Important part is to block access to *.wordpress.com domains.

Next, try to log-in to the app and notice the error message is not quite appropriate.

Testing information

1. Block *.wordpress.com domain
2. Try logging in to the app
3. Verify the error message is appropriate

The tests that have been performed

Above

Images/gif

• Before

• After

• I have considered if this change warrants release notes and have added them to RELEASE-NOTES.txt if necessary. Use the "[Internal]" label for non-user-facing changes.

[Copilot]

Pull Request Overview

This PR improves error handling for WordPress.com connectivity issues during the login process by introducing a specific error type and user-friendly message when the app cannot reach public-api.wordpress.com.

Key changes:

• Adds specific error handling for WordPress.com connectivity issues during site discovery
• Implements logic to detect network errors related to public-api.wordpress.com
• Provides clearer error messaging to users when WordPress.com is unreachable

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
libs/login/src/main/res/values/strings.xml	Adds new error message string for WordPress.com connectivity issues
libs/login/src/main/java/org/wordpress/android/login/LoginSiteAddressFragment.java	Updates error handling to show specific message for WordPress.com connectivity errors
libs/fluxc/src/main/java/org/wordpress/android/fluxc/store/SiteStore.kt	Adds new WORDPRESS_COM_CONNECTIVITY_ERROR enum value
libs/fluxc/src/main/java/org/wordpress/android/fluxc/network/rest/wpcom/site/SiteRestClient.kt	Implements detection logic for WordPress.com connectivity issues and error classification
WooCommerce/src/main/res/values/strings.xml	Adds duplicate error message string for WooCommerce app
WooCommerce/src/main/kotlin/com/woocommerce/android/ui/sitepicker/sitediscovery/SitePickerSiteDiscoveryViewModel.kt	Updates error handling in site picker to use new connectivity error type

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[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce-Wear Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce-Wear Android
	Platform	⌚️ Wear OS
	Flavor	Jalapeno
	Build Type	Debug
	Commit	4423d72
	Direct Download	woocommerce-wear-prototype-build-pr14472-4423d72.apk

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce Android
	Platform	📱 Mobile
	Flavor	Jalapeno
	Build Type	Debug
	Commit	4423d72
	Direct Download	woocommerce-prototype-build-pr14472-4423d72.apk

[codecov-commenter]

Codecov Report

❌ Patch coverage is 10.00000% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 37.82%. Comparing base (4ad6488) to head (4423d72).

Files with missing lines	Patch %	Lines
...id/fluxc/network/rest/wpcom/site/SiteRestClient.kt	0.00%	12 Missing ⚠️
.../sitediscovery/SitePickerSiteDiscoveryViewModel.kt	0.00%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##              trunk   #14472      +/-   ##
============================================
- Coverage     37.82%   37.82%   -0.01%     
  Complexity     9221     9221              
============================================
  Files          2004     2004              
  Lines        112928   112945      +17     
  Branches      14908    14915       +7     
============================================
+ Hits          42715    42716       +1     
- Misses        66326    66342      +16     
  Partials       3887     3887              

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[malinajirka]

LGTM, thanks!