[Gutenboarding]: add analytics (tracks)

[ramonjd]

Subtask of EPIC #38701

Along with generating a temporary user account and site to allow users to interact with Gutenboarding, we’ll probably have to set up some way to track it all.

⚠️ We'll need to work out whether we're going to import lib/analytics into the project.

From the discussion in p1579140697040600-slack-gutenboarding I think the consensus is that:

• we start with just tracks for Gutenboarding
• instead of pulling in the entire lib/analytics behemoth, we build a tiny tracks lib in @automattic/analytics package, which will furnish the necessary tracks methods:
  • recordEvent, recordPageView

Sub tasks

After account creation, and reassign events triggered by the anonymous ID

For WordPress.com, before users sign up, we set a cookie that assigns to them an anonymous ID.

After sign up, Calypso calls a method called identifyUser , which records the user’s new ID and username, both of which we send back in the API response after a successful account creation.

Tracks then (somehow) reassigns events triggered by the anonymous ID to the new user ID. 👍

We’d have to determine whether anonymous ID tracking in Gutenboarding before user sign up/sign in is acceptable.

Since it’s working currently on WordPress.com however, my guess is that it is appropriate. A conversion with folks from data might be enough to give us the greet tick.

Event validation

Double check with the data team that our events and props are okay in light of the product.

Related links

p1579140697040600-slack-gutenboarding

Some initial investigation on anonymous IDs: pbxlJb-4t-p2

[ramonjd]

I think the consensus is that:

• we start with just tracks for Gutenboarding
• instead of pulling in the entire lib/analytics behemoth, we build a tiny tracks lib in @automattic/analytics package, which will furnish the necessary tracks methods:
  • recordEvent, recordPageView
• if we're super lucky and nice, we'll get assistance from @jsnajdr / @Automattic/team-calypso

See context in p1579140697040600-slack-gutenboarding

[roo2]

I'm making a start on pulling the track analytics code into the shared lib. @automattic/calypso-analytics
Slack discusion: p1579140697040600-slack-CNMU1UHHB
PR to refactor lib/analytics to be more tree-shakeable and remove the signup specific functions
#37913
jetpack's analytics example https://github.com/Automattic/jetpack/tree/master/_inc/client/lib/analytics