Shippling lines M1 analytics

[atorresveiga]

Closes: #11392

Description

We want to track 3 events around shipping method selection:

• Updated event:
  • order_shipping_method_add with the custom property shipping_method containing the id of the selected shipping method in lowercase (ups|flat_rate|free_shipping…).
  • Event registration: https://github.com/Automattic/tracks-events-registration/pull/2406
• New event:
  • order_shipping_method_selected, triggered every time a merchant selects a new shipping method.
  • This event contains a custom property shipping_method with the id of the selected shipping method in lowercase (ups|flat_rate|free_shipping…).
  • Event registration: https://github.com/Automattic/tracks-events-registration/pull/2408
• New event:
  • order_add_shipping_tapped, triggered every time a merchant taps on the add shipping button.
  • Event registration: https://github.com/Automattic/tracks-events-registration/pull/2407

Testing instructions

1. Open the app
2. Go to orders
3. Tap on Create New Order (+)
4. Add a product to enabled the add shipping button
5. Tap on Add shipping
6. Check that the order_add_shipping_tapped event is triggered
7. Tap on select shipping method
8. Select a shipping method
9. Check that the order_shipping_method_selected event is triggered and contains the shipping_method custom property
10. Tap on Add shipping
11. Check that the order_shipping_method_add event is triggered and contains the shipping_method custom property

Images/gif

🔵 Tracked: order_add_shipping_tapped, Properties: {"blog_id":222408976,"is_wpcom_store":true,"was_ecommerce_trial":true,"plan_product_slug":"wooexpress-small-bundle-yearly","store_id":"b6468f83-4986-44f1-b4ce-6021649dbf29","is_debug":true,"site_url":"https:\/\/woo-practically-automatic-witch.wpcomstaging.com","cached_woo_core_version":"8.8.3"}
🔵 Tracked: order_shipping_method_selected, Properties: {"shipping_method":"free_shipping","blog_id":222408976,"is_wpcom_store":true,"was_ecommerce_trial":true,"plan_product_slug":"wooexpress-small-bundle-yearly","store_id":"b6468f83-4986-44f1-b4ce-6021649dbf29","is_debug":true,"site_url":"https:\/\/woo-practically-automatic-witch.wpcomstaging.com","cached_woo_core_version":"8.8.3"}
🔵 Tracked: order_shipping_method_add, Properties: {"flow":"creation","shipping_method":"free_shipping","blog_id":222408976,"is_wpcom_store":true,"was_ecommerce_trial":true,"plan_product_slug":"wooexpress-small-bundle-yearly","store_id":"b6468f83-4986-44f1-b4ce-6021649dbf29","is_debug":true,"site_url":"https:\/\/woo-practically-automatic-witch.wpcomstaging.com","cached_woo_core_version":"8.8.3"}

• 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.

[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 18.6. This milestone is due in less than 2 days. Please make sure to get it merged by then or assign it to a milestone with a later deadline.

	1 Message
📖	This PR contains changes to Tracks-related logic. Please ensure (author and reviewer) the following are completed: The tracks events must be validated in the Tracks system. Verify the internal Tracks spreadsheet has also been updated. Please consider registering any new events. The PR must be assigned the category: tracks label.

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[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
	Flavor	Jalapeno
	Build Type	Debug
	Commit	9bc78aa
	Direct Download	woocommerce-prototype-build-pr11479-9bc78aa.apk

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.88%. Comparing base (363fa88) to head (9bc78aa).

Additional details and impacted files

@@             Coverage Diff              @@
##              trunk   #11479      +/-   ##
============================================
+ Coverage     40.85%   40.88%   +0.03%     
- Complexity     5177     5180       +3     
============================================
  Files          1067     1067              
  Lines         62196    62206      +10     
  Branches       8482     8483       +1     
============================================
+ Hits          25410    25436      +26     
+ Misses        34502    34483      -19     
- Partials       2284     2287       +3     

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