Add missing Experience Platform Connector events to Core Components

[laurentiumagureanu]

Description

Add necessary context and data for add to cart storefront event.

For Product Carousel, Product List, Product Teaser:

• the data layer data of the items is used to provide the storefrontData to the useAddToCartEvent() hook
• the data layer got extended with a xdm:discountAmount to calculate the regularPrice (before discount)

For Product:

• for grouped products I added a data-cif-grouped-product-context to the <tr> element of each product in the group.
• the grouped product context is used to provide the storefrontData to the useAddToCartEvent() hook

For Search:

• defined a search unit id using the component id from the datalayer
• defined a search request id as random uuid (I guess this is needed to link a request and response event, at least this is the case for other SRP analytics use cases)
• sent the search request / response events on initialisation using the existing contexts (after server side rendering)

In general

• Made the useEventsCollector a Context that can be used to obtain the storefront events sdk and pass it to the hooks/components of the core cif components and product recs
• the storefront-events clientlib is not needed anymore when using the EventCollectorContext (removed redundancy)

Related Issue

CIF-2898

Motivation and Context

enables Beacon tracking

How Has This Been Tested?

Unit test

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes and the overall coverage did not decrease.
• [x] All unit tests pass on CircleCi.
• [x] I ran all tests locally and they pass.

[codecov[bot]]

Codecov Report

Merging #949 (181aadb) into master (2dd2b2c) will increase coverage by 0.02%. The diff coverage is 96.50%.

@@             Coverage Diff              @@
##             master     #949      +/-   ##
============================================
+ Coverage     89.46%   89.49%   +0.02%     
- Complexity     2204     2211       +7     
============================================
  Files           351      354       +3     
  Lines          9857     9967     +110     
  Branches       1422     1436      +14     
============================================
+ Hits           8819     8920     +101     
- Misses          742      750       +8     
- Partials        296      297       +1     

Flag	Coverage Δ
integration	52.22% <43.75%> (+0.04%)	:arrow_up:
jest	86.68% <100.00%> (+0.13%)	:arrow_up:
karma	95.53% <100.00%> (+0.20%)	:arrow_up:
unittests	88.00% <81.25%> (-0.14%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ommerce/core/components/datalayer/ProductData.java	0.00% <0.00%> (ø)
...internal/models/v1/common/ProductListItemImpl.java	95.09% <0.00%> (-0.95%)	:arrow_down:
...erce/core/components/models/product/GroupItem.java	0.00% <0.00%> (ø)
...ts/storefrontcontext/ProductStorefrontContext.java	0.00% <0.00%> (ø)
...torefrontcontext/ProductStorefrontContextImpl.java	90.00% <75.00%> (-10.00%)	:arrow_down:
...ponents/internal/datalayer/DataLayerComponent.java	80.95% <100.00%> (+0.46%)	:arrow_up:
...components/internal/datalayer/ProductDataImpl.java	100.00% <100.00%> (ø)
...ents/internal/models/v1/product/GroupItemImpl.java	100.00% <100.00%> (ø)
...onents/internal/models/v1/product/ProductImpl.java	87.55% <100.00%> (+0.05%)	:arrow_up:
...nal/models/v1/productteaser/ProductTeaserImpl.java	90.66% <100.00%> (+0.12%)	:arrow_up:
... and 18 more

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