Detect app embed blocks in Shopify Theme in Rails

detect-shopify-app-embed-blocks.rb

# Documentation: https://shopify.dev/docs/apps/build/online-store/theme-app-extensions/configuration#detecting-app-blocks-and-app-embed-blocks

module ShopifyApiWrapper
  class Theme
    class << self
      def app_embed_activated?(session:, theme_app_extension_id:)
        new(session: session)
          .app_embed_activated?(theme_app_extension_id: theme_app_extension_id)
      end
    end

    def initialize(session:)
      @session = session
    end

    def client
      @client ||= ShopifyAPI::Clients::Rest::Admin.new(session: @session)
    end

    def app_embed_activated?(theme_app_extension_id:)
      response = client.get(path: "themes")
      # Retrieve main theme
      main_theme = response.body["themes"].find { |theme| theme["role"] == "main" }

      # Retrieve settings_data.json for main theme
      response = client.get(path: "themes/#{main_theme["id"]}/assets", query: {
        "asset[key]": "config/settings_data.json",
      })
      content = response.body.dig("asset", "value")
      parsed_content = JSON.parse(content)
      current_setting = parsed_content["current"]

      # For new fresh installed store
      # {"current"=>"Default", ...}
      return false unless current_setting.is_a?(Hash)

      blocks = current_setting["blocks"]

      # Detecting app embed blocks
      blocks.any? do |_block_unique_id, setting|
        setting["type"].include?("blocks/widget/#{theme_app_extension_id}") &&
          !setting["disabled"]
      end
    end
  end
end