Improve details of backend

[leonidasmi]

Context

Summary

This PR can be summarized in the following changelog entry:

• Registers tasklist endpoints and hooks only when feature is enabled.
• Adds How to copy in the FTC task.
• Safeguards the wpseo_task_list_tasks filter against invalid types.

Relevant technical choices:

Test instructions

Test instructions for the acceptance test before the PR gets merged

This PR can be acceptance tested by following these steps:

Test the addition of conditionals

• Turn the feature off
• Do a POST request: http://dev.local/wp-json/yoast/v1/complete_task?options[task]=enable-llms-txt
• Confirm that you get a 404
• Do a GET request: http://dev.local/wp-json/yoast/v1/get_tasks
• Confirm you get a 404
• Turn the feature on, do the requests again and confirm you get 200 result codes.

Test the addition of How-to copy in the FTC task

• Open the Complete the First-time configuration task
• Confirm that you see the How to solve being:

Go through the first-time configuration to apply the optimal Yoast SEO settings. After you’re finished, refresh this page.

Test safeguarding the wpseo_task_list_tasks filter

• Add the following snippet that tried to add an invalid task in the list:

add_filter( 'wpseo_task_list_tasks', 'custom_task_list_tasks', 10, 3 );

function custom_task_list_tasks( $tasks ) {
    return array_merge( $tasks, [ 'new-task' => [ 'new-task' ] ] );
}

• Do a GET request to http://dev.local/wp-json/yoast/v1/get_tasks
• Confirm you get a 400 response with the Added invalid task error message
• Remove the snippet and have Premium enabled
• Do the GET request again and confirm that you get all the tasks that you expected to get.

Relevant test scenarios

• Changes should be tested with the browser console open
• Changes should be tested on different posts/pages/taxonomies/custom post types/custom taxonomies
• Changes should be tested on different editors (Default Block/Gutenberg/Classic/Elementor/other)
• Changes should be tested on different browsers
• Changes should be tested on multisite

Test instructions for QA when the code is in the RC

• QA should use the same steps as above.

Impact check

This PR affects the following parts of the plugin, which may require extra testing:

Other environments

• This PR also affects Shopify. I have added a changelog entry starting with [shopify-seo], added test instructions for Shopify and attached the Shopify label to this PR.

Documentation

• I have written documentation for this change. For example, comments in the Relevant technical choices, comments in the code, documentation on Confluence / shared Google Drive / Yoast developer portal, or other.

Quality assurance

• I have tested this code to the best of my abilities.
• During testing, I had activated all plugins that Yoast SEO provides integrations for.
• I have added unit tests to verify the code works as intended.
• If any part of the code is behind a feature flag, my test instructions also cover cases where the feature flag is switched off.
• I have written this PR in accordance with my team's definition of done.
• I have checked that the base branch is correctly set.
• I have ran grunt build:images and commited the results, if my PR introduces new images or SVGs.

Innovation

• No innovation project is applicable for this PR.
• This PR falls under an innovation project. I have attached the innovation label.
• I have added my hours to the WBSO document.

Fixes #

[coveralls]

Pull Request Test Coverage Report for Build 2102f9dcbd3a6bb3c83055f66fb51bf7f5f5dd99

Details

• 0 of 16 (0.0%) changed or added relevant lines in 5 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 49.006%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/task-list/application/tasks/complete-ftc.php	0	2	0.0%
src/task-list/user-interface/tasks/complete-task-route.php	0	3	0.0%
src/task-list/user-interface/tasks/get-tasks-route.php	0	3	0.0%
src/conditionals/task-list-enabled-conditional.php	0	4	0.0%
src/task-list/infrastructure/register-post-type-tasks-integration.php	0	4	0.0%

Files with Coverage Reduction	New Missed Lines	%
src/task-list/application/tasks/complete-ftc.php	1	0.0%

Totals
Change from base Build 7561f46cff3e6b924be9a525ca603c82678cf226:	-0.02%
Covered Lines:	17518
Relevant Lines:	35747

---

💛 - Coveralls

[vraja-pro]

CR & AC ✅