Class: LicenseAcceptance::ProductReader

Inherits:
Object
  • Object
show all
Includes:
Logger
Defined in:
lib/license_acceptance/product_reader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logger

initialize, logger, #logger

Instance Attribute Details

#products ⇒ Object

Returns the value of attribute products.



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# File 'lib/license_acceptance/product_reader.rb', line 10

def products
  @products
end

#relationships ⇒ Object

Returns the value of attribute relationships.



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# File 'lib/license_acceptance/product_reader.rb', line 10

def relationships
  @relationships
end

Instance Method Details

#get_location ⇒ Object 



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# File 'lib/license_acceptance/product_reader.rb', line 44

def get_location
  # For local development point this to the product_info.toml at the root of the repo.
  # When bundled as a gem we will use the the relative path to find the file in the
  # gem package.
  if ENV["CHEF_LICENSE_PRODUCT_INFO"]
    return ENV["CHEF_LICENSE_PRODUCT_INFO"]
  end
  File.absolute_path(File.join(__FILE__, "../../../config/product_info.toml"))
end

#lookup(parent_name, parent_version) ⇒ Object 



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# File 'lib/license_acceptance/product_reader.rb', line 54

def lookup(parent_name, parent_version)
  parent_product = products.fetch(parent_name) do
    raise UnknownProduct.new(parent_name)
  end
  children = relationships.fetch(parent_product, [])
  if !parent_version.is_a? String
    raise ProductVersionTypeError.new(parent_version)
  end
  ProductRelationship.new(parent_product, children, parent_version)
end

#read ⇒ Object

Raises:



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# File 'lib/license_acceptance/product_reader.rb', line 12

def read
  logger.debug("Reading products and relationships...")
  location = get_location
  self.products = {}
  self.relationships = {}

  toml = Tomlrb.load_file(location, symbolize_keys: false)
  raise InvalidProductInfo.new(location) if toml.empty? || toml["products"].nil? || toml["relationships"].nil?

  for product in toml["products"]
    products[product["name"]] = Product.new(product["name"], product["pretty_name"], product["filename"])
  end

  for parent_name, children in toml["relationships"]
    parent = products[parent_name]
    raise UnknownParent.new(parent_name) if parent.nil?
    # Its fine to not have a relationship entry, but not fine to have
    # a relationship where the children are nil or empty.
    if children.nil? || children.empty? || !children.is_a?(Array)
      raise NoChildRelationships.new(parent)
    end
    children.map! do |child_name|
      child = products[child_name]
      raise UnknownChild.new(child_name) if child.nil?
      child
    end
    relationships[parent] = children
  end

  logger.debug("Successfully read products and relationships")
end