GraphQl-535: provided catalog configs

[VitaliyBoyko]

Description (*)

Provided catalog configs for PWA in scope of StoreConfig type.

{
  storeConfig{
    product_url_suffix,
    category_url_suffix,
    title_separator,
    list_mode,
    grid_per_page_values,
    list_per_page_values,
    grid_per_page,
    list_per_page,
    catalog_default_sort_by
  }
}

Fixed Issues (if relevant)

1. Expose catalog configuration data as a new info query type. #535: Expose catalog configuration data as a new info query type.

[zetlen]

I think you're right that we don't need flat_catalog_category. Let me list what I can see now will be useful to the PWA frontend in the future. Anything I don't list here can be removed from this PR if you need to.

SEO

• product_url_suffix: PWA definitely needs this to do accurate SEO routing; these configurations tell our router how to derive the URL key from the URL pathname.
• category_url_suffix: PWA definitely needs this, see above
• product_use_categories: PWA definitely needs this, see above
• title_separator: PWA can use this to render dynamic page titles.

Display

• list_mode: PWA can use this to control category/search rendering and pagination.
• grid_per_page_values: See above
• list_per_page_values: See above
• grid_per_page: See above
• list_per_page: See above
• catalog_default_sort_by: See above

Nothing else from the Catalog config section is obviously useful to us (yet). @jimbo and @soumya-ashok and @tjwiebell and @supernova-at might have a different opinion based on UX best practice or known UI gaps, but I think this is plenty.

Thanks again!

[naydav]

@VitaliyBoyko, please, update PR according to last comment
Thanks

[ghost]

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