Class: S3Rails::Resolver

Inherits:
ActionView::PathResolver
  • Object
show all
Includes:
Singleton
Defined in:
lib/s3_rails/resolver.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Resolver

Returns a new instance of Resolver.



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# File 'lib/s3_rails/resolver.rb', line 6

def initialize()
  super
  @s3 = S3Rails::S3.new('config/s3_rails.yml')
end

Instance Attribute Details

#s3 ⇒ Object

Returns the value of attribute s3.



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# File 'lib/s3_rails/resolver.rb', line 4

def s3
  @s3
end

Instance Method Details

#build_query(path, details) ⇒ Object 



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# File 'lib/s3_rails/resolver.rb', line 11

def build_query(path, details)
  exts = EXTENSIONS.map do |ext, prefix|
    "{" + 
    details[ext].compact.uniq.map { |e| "#{prefix}#{e}," }.join +
    "}"
  end.join

  path.to_s + exts
end

#query(path, details, formats) ⇒ Object 



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# File 'lib/s3_rails/resolver.rb', line 21

def query(path, details, formats)
  query = build_query(path, details)

  if File.exists?('tmp/reload_s3.txt') &&
      @s3.last_load < File.mtime('tmp/reload_s3.txt')
    reload
  end

  # objects = @s3.bucket.objects.with_prefix(path.prefix).select do |obj|
  #   File.fnmatch query, obj.key, File::FNM_EXTGLOB
  # end

  objects = @s3.objects.select do |key, obj|
    File.fnmatch query, key, File::FNM_EXTGLOB
  end

  objects.map do |key, obj|
    template = "s3/#{@s3.bucket_name}/#{obj.key}"
    handler, format, variant = 
      extract_handler_and_format_and_variant(template, formats)
    contents = obj.read

    ActionView::Template.new(contents, template, handler,
      :virtual_path => path.virtual,
      :format       => format,
      :variant      => variant,
      :updated_at   => obj.last_modified
    )
  end
end

#reload ⇒ Object 



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# File 'lib/s3_rails/resolver.rb', line 52

def reload
  @s3.load_cache
  clear_cache
end