class Volt::Persistors::Cookies

Backs a collection in the local store

Public Instance Methods

added(model, index) click to toggle source

Called when a model is added to the collection

# File lib/volt/models/persistors/cookies.rb, line 49
def added(model, index)
  # Save an added cookie
end
changed(attribute_name) click to toggle source

Callled when an cookies value is changed

# File lib/volt/models/persistors/cookies.rb, line 71
def changed(attribute_name)
  # TODO: Make sure we're only assigning directly, not sub models
  unless $writing_cookies
    value = @model.get(attribute_name)

    # Temp, expire in 1 year, going to expand this api
    write_cookie(attribute_name, value.to_s, expires: Time.now + (356 * 24 * 60 * 60), path: '/')
  end

  true
end
loaded(initial_state = nil) click to toggle source
# File lib/volt/models/persistors/cookies.rb, line 53
def loaded(initial_state = nil)
  # When the main model is first loaded, we pull in the data from the
  # store if it exists
  if !@cookies_loaded && @model.path == []
    @cookies_loaded = true

    writing_cookies do
      # Assign directly so we don't trigger the callbacks on the initial load
      attrs = @model.attributes

      read_cookies.each_pair do |key, value|
        attrs[key.to_sym] = value
      end
    end
  end
end
read_cookies() click to toggle source
# File lib/volt/models/persistors/cookies.rb, line 10
def read_cookies
  cookies = `document.cookie`
  Hash[cookies.split(';').map do |v|
    # Equals are valid as part of a cookie, so only parse the first equals.
    parts = v.split('=', 2).map { |p| p = p.strip; `decodeURIComponent(p)` }

    # Default to empty if no value
    parts << '' if parts.size == 1

    # Equals are valid in
    parts
  end]
end
removed(attribute_name) click to toggle source
# File lib/volt/models/persistors/cookies.rb, line 83
def removed(attribute_name)
  writing_cookies do
    write_cookie(attribute_name, '', max_age: 0, path: '/')
  end
end
writing_cookies() { || ... } click to toggle source
# File lib/volt/models/persistors/cookies.rb, line 89
def writing_cookies
  $writing_cookies = true
  yield
  $writing_cookies = false
end