* Fix up tests in the product/* folder.
* Handle data store updates for grouped, variable, external, simple, and general data store updates for products.
* Variations & variable changes.
* Update -functions.php calls to use data store.
* Add an interface for the public product data store methods.
* Finished product factory tests
* Correctly delete in the api, fix up some comments, and implement an interface for the public variable methods.
* Fix up delete in all versions of the api
* Handle feedback
* Match protected decloration to parent
`_deprecated_function` has conditional which is checking if third param (replacement) is null. Passing replacement as empty string to this function will fail this test and the end of triggered error will look like this: `Use instead.` instead of `with no alternative available.`. This PR removes all occurrences of empty strings in this function.
* No longer needed
* Remove old todos
* Use getters in admin list
* Related and upsells update for CRUD
* Fix notice in gallery
* Variable fixes and todos
* Context
* Price sync
* Revert variation attributes change
* Return parent data in view context
* Defer term counting
* wc_find_matching_product_variation
* Stock manage tweaks
* Stock fixes
* Correct id
* correct id
* Better sync
* Data logic setter fix
* feedback
wp_get_post_terms() is a wrapper around wp_get_object_terms() which does not
use the object cache, and generates a database query every time it is used.
get_the_terms() however can use data from the object cache if present.
* Started on variation changes
* Stock functions
* Variation class
* Bulk change ->id to get_id() to fix variation form display
* Missing status
* Fix add to cart
* Start on stored data save
* save variation
* Save_variations
* Variation edit panel
* Save variations code works.
* Remove stored data code and fix save
* Improve legacy class
* wc_bool_to_string
* prepare_set_attributes
* Use wc_get_products
* More feedback fixes
* get_prop implementation in abstract and data classes
* Implement set_prop
* Change handling
* Array key exists
* set_object_read
* Started on variation changes
* Stock functions
* Variation class
* Bulk change ->id to get_id() to fix variation form display
* Missing status
* Fix add to cart
* Start on stored data save
* save variation
* Save_variations
* Variation edit panel
* Save variations code works.
* Remove stored data code and fix save
* Improve legacy class
* wc_bool_to_string
* prepare_set_attributes
* Use wc_get_products
* More feedback fixes
* Feedback fixes
Claudio Sanches
Mike Jolley
Justin Shreve
Lee Willis
Krzysztof Grabania
Lee Willis