Allow free users with flag to set dotblog as primary

[aneeshd16]

Related to https://github.com/Automattic/martech/issues/3561

Proposed Changes

This PR contains 2 changes:

• When the CAMPAIGN_PRIMARY_DOTBLOG_ON_FREE_2024 flag is set for a user, allow the user to select a .blog domain and a free plan in the onboarding flow, without showing any dialog.
• When the CAMPAIGN_PRIMARY_DOTBLOG_ON_FREE_2024 flag is set for a user, allow the user to select a .blog domain as primary for a free site on the /domains/manage/<site slug> screen.

Why are these changes being made?

• Please see p5uIfZ-gr1-p2

Testing Instructions

Testing the onboarding flow

• Apply 168070-ghe-Automattic/wpcom
• Set the flag for your user by following the instructions in 168070-ghe-Automattic/wpcom
• Go to /start.
• Select a .blog domain. For testing, it's best to select a domain with random characters.
• On the plans step, select the Free plan.
• Confirm that you are not shown any dialog and are taken directly to checkout.
• If you don't have a .blog domain on the site, purchase it using credits for the next step.

Testing setting the .blog domain as primary

• Apply 168070-ghe-Automattic/wpcom
• Set the flag for your user by following the instructions in 168070-ghe-Automattic/wpcom
• Go to /domains/manage/<site slug> where is for a site on the free plan with a .blog domain mapped to it.
• Confirm that you see the dropdown for selecting a primary domain.
• Confirm that you can set the .blog domain as primary by clicking on the CTA.

Testing to confirm that non .blog domains cannot be set as primary.

• Map a non .blog domain to the same site.
• Go to /domains/manage/<site slug>.
• Confirm that you see the dropdown for selecting a primary domain and both the .blog and non-.blog domains are present in the list.
• Select the non .blog domain.
• Confirm that the CTA is disabled and a message is shown below it:

Testing for regressions

• Delete the flag by following the instructions in 168070-ghe-Automattic/wpcom
• Go to /domains/manage/<site slug> for the same site.
• Confirm that the dropdown is not visible and you see a message for a plan upgrade.

• Please see client/my-sites/domains/domain-management/components/primary-domain-selector/test/index.tsx for additional cases.

Pre-merge Checklist

• Has the general commit checklist been followed? (PCYsg-hS-p2)
• Have you written new tests for your changes?
• Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• Have you checked for TypeScript, React or other console errors?
• Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• Have we added the "[Status] String Freeze" label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?
  • For UI changes, have we tested the change in various languages (for example, ES, PT, FR, or DE)? The length of text and words vary significantly between languages.
• For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?

[github-actions]

Calypso Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-127488

Jetpack Cloud live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-127488&env=jetpack

Automattic for Agencies live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-127488&env=a8c-for-agencies

[matticbot]

Here is how your PR affects size of JS and CSS bundles shipped to the user's browser:

App Entrypoints (~57 bytes added 📈 [gzipped])

name                   parsed_size           gzip_size
entry-stepper               +120 B  (+0.0%)      +57 B  (+0.0%)
entry-main                   +48 B  (+0.0%)      +49 B  (+0.0%)
entry-subscriptions          +24 B  (+0.0%)      +28 B  (+0.0%)
entry-login                  +24 B  (+0.0%)      +28 B  (+0.0%)
entry-domains-landing        +24 B  (+0.0%)      +28 B  (+0.0%)
entry-browsehappy            +24 B  (+0.0%)      +28 B  (+0.0%)

Common code that is always downloaded and parsed every time the app is loaded, no matter which route is used.

Sections (~932 bytes added 📈 [gzipped])

name                                parsed_size           gzip_size
domains                                  +656 B  (+0.0%)     +135 B  (+0.0%)
plugins                                  +484 B  (+0.0%)     +159 B  (+0.0%)
plans                                    +471 B  (+0.0%)     +175 B  (+0.0%)
jetpack-app                              +471 B  (+0.1%)     +164 B  (+0.1%)
update-design-flow                       +368 B  (+0.0%)     +125 B  (+0.0%)
link-in-bio-tld-flow                     +344 B  (+0.0%)     +115 B  (+0.0%)
signup                                    +88 B  (+0.0%)      +44 B  (+0.1%)
site-purchases                            +51 B  (+0.0%)      +32 B  (+0.0%)
site-overview                             +51 B  (+0.0%)      +34 B  (+0.0%)
purchases                                 +51 B  (+0.0%)      +32 B  (+0.0%)
hosting                                   +51 B  (+0.0%)      +34 B  (+0.0%)
copy-site-flow                            +51 B  (+0.0%)      +49 B  (+0.0%)
checkout                                  +51 B  (+0.0%)      +29 B  (+0.0%)
onboarding-flow                           +48 B  (+0.3%)      +16 B  (+0.3%)
with-theme-assembler-flow                 +24 B  (+0.0%)      +15 B  (+0.1%)
update-options-flow                       +24 B  (+0.0%)      +15 B  (+0.2%)
trial-wooexpress-flow                     +24 B  (+0.0%)      +12 B  (+0.2%)
tailored-ecommerce-flow                   +24 B  (+0.0%)      +14 B  (+0.2%)
start-writing-flow                        +24 B  (+0.1%)      +14 B  (+0.2%)
site-setup-wg                             +24 B  (+0.0%)      +13 B  (+0.1%)
site-setup-flow                           +24 B  (+0.0%)      +13 B  (+0.1%)
site-migration-flow                       +24 B  (+0.0%)      +14 B  (+0.1%)
reblogging-flow                           +24 B  (+0.4%)      +17 B  (+0.9%)
readymade-template-flow                   +24 B  (+0.0%)      +11 B  (+0.0%)
newsletter-flow                           +24 B  (+0.1%)      +14 B  (+0.3%)
new-hosted-site-flow-user-included        +24 B  (+0.4%)      +12 B  (+0.6%)
new-hosted-site-flow                      +24 B  (+0.2%)      +11 B  (+0.4%)
migration-signup                          +24 B  (+0.0%)      +13 B  (+0.2%)
migration-flow                            +24 B  (+0.0%)      +14 B  (+0.1%)
import-flow                               +24 B  (+0.0%)      +14 B  (+0.1%)
hosted-site-migration-flow                +24 B  (+0.0%)      +14 B  (+0.1%)
free-post-setup-flow                      +24 B  (+0.0%)      +17 B  (+0.3%)
entrepreneur-flow                         +24 B  (+0.0%)      +18 B  (+0.1%)
design-first-flow                         +24 B  (+0.1%)      +12 B  (+0.2%)
connect-domain                            +24 B  (+0.1%)       +9 B  (+0.1%)
assembler-first-flow                      +24 B  (+0.0%)      +16 B  (+0.1%)
ai-assembler-flow                         +24 B  (+0.0%)      +16 B  (+0.1%)

Sections contain code specific for a given set of routes. Is downloaded and parsed only when a particular route is navigated to.

Async-loaded Components (~19 bytes added 📈 [gzipped])

name                                                      parsed_size           gzip_size
async-load-signup-steps-plans-theme-preselected                +256 B  (+0.1%)      +85 B  (+0.1%)
async-load-signup-steps-plans                                  +256 B  (+0.1%)      +85 B  (+0.1%)
async-load-signup-steps-domains                                -164 B  (-0.0%)      -62 B  (-0.0%)
async-load-calypso-blocks-product-purchase-features-list       -164 B  (-0.3%)      -58 B  (-0.5%)
async-load-design-blocks                                        +51 B  (+0.0%)      +25 B  (+0.0%)
async-load-calypso-my-sites-checkout-modal                      +51 B  (+0.0%)      +29 B  (+0.0%)
async-load-calypso-blocks-editor-checkout-modal                 +51 B  (+0.0%)      +29 B  (+0.0%)

React components that are loaded lazily, when a certain part of UI is displayed for the first time.

Legend

What is parsed and gzip size?

Parsed Size: Uncompressed size of the JS and CSS files. This much code needs to be parsed and stored in memory.
Gzip Size: Compressed size of the JS and CSS files. This much data needs to be downloaded over network.

Generated by performance advisor bot at iscalypsofastyet.com.

[jeyip]

Testing

Requirements

/start flow:

• Confirm that you are not shown any dialog and are taken directly to checkout.
• If you don't have a .blog domain on the site, purchase it using credits for the next step.
• Go to /domains/manage/ where is for a site on the free plan with a .blog domain mapped to it.
• Confirm that you see the dropdown for selecting a primary domain.
• Confirm that you can set the .blog domain as primary by clicking on the CTA.
• Confirm that non .blog domains cannot be set as primary.
• Delete the flag by following the instructions in D168070-code. Go to /domains/manage/ for the same site. Confirm that the dropdown is not visible and you see a message for a plan upgrade.
  image

Browsers

• Chrome

[jeyip]

Pausing testing because, for the time being, the project has been cancelled p1734369952367629-slack-C082K0YF2G6

[aneeshd16]

Closing this PR. Context: https://github.com/Automattic/martech/issues/3561#issuecomment-2546239806