Class: FixtureKit::FileCache

Inherits:
Object
  • Object
show all
Defined in:
lib/fixture_kit/file_cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ FileCache

Returns a new instance of FileCache.



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# File 'lib/fixture_kit/file_cache.rb', line 11

def initialize(path)
  @path = path
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/fixture_kit/file_cache.rb', line 9

def path
  @path
end

Instance Method Details

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fixture_kit/file_cache.rb', line 15

def exists?
  File.exist?(path)
end

#read ⇒ Object 



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# File 'lib/fixture_kit/file_cache.rb', line 19

def read
  content = JSON.parse(File.read(path))

  data = content.fetch("data").to_h do |coder_name, coder_data|
    coder = coder_for(coder_name)
    [coder.class, coder.decode(coder_data)]
  end

  exposed = content.fetch("exposed").each_with_object({}) do |(name, value), hash|
    if value.is_a?(Array)
      hash[name.to_sym] = value.map { |r| { ActiveSupport::Inflector.constantize(r.keys.first) => r.values.first } }
    else
      hash[name.to_sym] = { ActiveSupport::Inflector.constantize(value.keys.first) => value.values.first }
    end
  end

  MemoryCache.new(data: data, exposed: exposed)
end

#serialize_exposed(exposed) ⇒ Object 



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# File 'lib/fixture_kit/file_cache.rb', line 51

def serialize_exposed(exposed)
  exposed.each_with_object({}) do |(name, record), hash|
    if record.is_a?(Array)
      hash[name] = record.map { |record| { record.class => record.id } }
    else
      hash[name] = { record.class => record.id }
    end
  end
end

#write(data) ⇒ Object 



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# File 'lib/fixture_kit/file_cache.rb', line 38

def write(data)
  content = {
    data: data.data.to_h do |coder_class, coder_data|
      coder = coder_for(coder_class.name)
      [coder.class, coder.encode(coder_data)]
    end,
    exposed: data.exposed,
  }

  FileUtils.mkdir_p(File.dirname(path))
  File.write(path, JSON.pretty_generate(content))
end