Class: Grape::JSONAPI::Streamer

Inherits:
Object
  • Object
show all
Defined in:
lib/grape/json_api/version.rb,
lib/grape/json_api/streamer.rb

Constant Summary collapse

VERSION = 
'0.0.6'

Instance Method Summary collapse

Constructor Details

#initialize(collection, options = {}) ⇒ Streamer

Returns a new instance of Streamer.



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# File 'lib/grape/json_api/streamer.rb', line 6

def initialize(collection, options = {})
  @collection = collection
  @options    = ActiveSupport::HashWithIndifferentAccess.new(options)
  @meta       = @options[:meta]
  @links      = @options[:links]
end

Instance Method Details

#each {|'{'| ... } ⇒ Object

Yields:

  • ('{') 


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# File 'lib/grape/json_api/streamer.rb', line 13

def each
  yield '{'
  yield "\"meta\": #{JSON.unparse(@meta)}," if @meta
  yield '"data":['
  first = true
  @collection.lazy.each do |object|
    buffer = ''
    buffer << ',' unless first
    first = false
    data = serialize(object)
    buffer << JSON.unparse(data)[8..-2].strip
    yield buffer
  end
  yield ']'
  yield ",\"links\": #{JSON.unparse(@links)}" if @links
  yield '}'
end

#serialize(model) ⇒ Object 



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# File 'lib/grape/json_api/streamer.rb', line 31

def serialize(model)
  @options.delete(:meta)
  @options.delete(:links)
  @options[:is_collection] = false
  ::JSONAPI::Serializer.serialize(model, @options)
end