Polishing Product types and connections

[kidunot89]

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What does this implement/fix? Explain your changes.

• Removes old files
• Convert all ProductDownload from Product_Downloads to 'list_of => 'ProductDownload'
• Add Product connections where arguments
  • post status
  • taxonomies
    • product category
    • product tag
    • product shipping class
    • product type
    • attribute and attribute term
  • featured products
  • sku
  • tax class
  • price
  • on sale
  • stock status

{
  products(where: {
    slug: STRING
    status: STRING
    type: STRING
    typeIn: STRING[]
    typeNotIn: STRING[]
    sku: STRING
    featured: BOOLEAN
    categoryName: STRING
    categoryNameIn: STRING[]
    categoryNameNotIn: STRING[]
    category: INT
    categoryIn: INT[]
    categoryNotIn: INT[]
    tag: STRING
    tagSlugIn STRING[]
    tagSlugNotIn: STRING[]
    tagId: INT
    tagIn: INT[]
    tagNotIn: INT[]
    attribute: STRING
    attributeTerm: STRING
    inStock: BOOLEAN
    onSale: BOOLEAN
    minPrice: FLOAT
    maxPrice: FLOAT
    search: STRING
  }) {
    ...
  }
}

• Add last 10 fields to Product type to match WC REST API functionality
  • onSale
  • purchasable
  • externalUrl
  • buttonText
  • backordersAllowed
  • related
  • shippingRequired
  • shippingTaxable
  • shippingClass
  • groupedProduct

Query equivalent to WC REST's All products query

{
  products {
    nodes {
      id
      productId
      name
      slug
      date
      modified
      type
      status
      featured
      catalogVisibility
      description
      shortDescription
      sku
      price
      regularPrice
      salePrice
      dateOnSaleFrom
      dateOnSaleTo
      virtual
      downloadable
      downloads {
        allowedFileType
        name
        file
      }
      downloadLimit
      downloadExpiry
      taxStatus
      taxClass
      manageStock
      stockQuantity
      stockStatus
      backorders
      soldIndividually
      weight
      length
      width
      height
      onSale
      purchasable
      externalUrl
      buttonText
      backordersAllowed
      shippingRequired
      shippingTaxable
      shippingClassId
      ratingCount {
        average
        oneStars
        twoStars
        threeStars
        fourStars
        fiveStars
        average
      }
      upsell {
        nodes {
          productId
        }
      }
      crossSell {
        nodes {
          productId
        }
      }
      parent {
        productId
      }
      purchaseNote
      categories {
        nodes {
          id
          name
          slug
        }
      }
      tags {
        nodes {
          id
          name
          slug
        }
      }
      galleryImages {
        nodes {
          id
          sourceUrl
          title
          altText
          date
          modified
        }
      }
      attributes {
        nodes {
          attributeId
          name
          position
          visible
          variation
          options
        }
      }
      defaultAttributes {
        nodes {
          attributeId
          name
          position
          visible
          variation
          options
        }
      }
      related {
        nodes {
          id
          productId
        }
      }
      variations {
        nodes {
          id
          variationId
        }
      }
      grouped {
        nodes {
          id
          productId
        }
      }
      menuOrder
    }
  }
}

Does this close any currently open issues?

…

Any relevant logs, error output, GraphiQL screenshots, etc?

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Any other comments?

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Where has this been tested?

Operating System: …

WordPress Version: …