module MetaHari

MetaHary will find product informations for a given product link. The information will be wrapped into an OpenStruct.

Example

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“`ruby product = MetaHari.spy('example.com/product.html') “`

The AddressableFactory helper is trying to guess a URL out of a given string.

Example

“`ruby uri = MetaHari::Helpers::AddressableFactory.parse('example.com/foo') # => example.com/foo “`

MetaHari version

Constants

VERSION

Public Class Methods

spy(uri, iteration = 0) click to toggle source

# File lib/meta_hari.rb, line 23
def spy(uri, iteration = 0)
  uri = Helpers::AddressableFactory.parse uri.to_s
  spyglass = suitable_spyglass_instance uri, iteration
  spyglass.spy
rescue RedirectNotification => redirect
  raise RedirectLoop.new, 'to many redirects' if redirect.iteration > 5
  spy redirect.uri, redirect.iteration
end

Private Class Methods

find_suitable_spyglass(uri) click to toggle source

Finding a suitable spyglass for the given URL. If no suitable spyglass is found, the default spyglass (MetaHari::Spyglass::Base) is returned.

# File lib/meta_hari.rb, line 42
def find_suitable_spyglass(uri)
  spyglasses = MetaHari::Spyglass.constants.map do |c|
    MetaHari::Spyglass.const_get(c)
  end
  spyglasses.select! { |spyglass| spyglass < MetaHari::Spyglass::Base }
  suitable_spyglass = spyglasses.find { |spyglass| spyglass.suitable? uri }
  suitable_spyglass || MetaHari::Spyglass::Base
end

suitable_spyglass_instance(uri, iteration = 0) click to toggle source

# File lib/meta_hari.rb, line 34
def suitable_spyglass_instance(uri, iteration = 0)
  klass = find_suitable_spyglass(uri)
  klass.new(uri, iteration)
end