Class: PipeLineDealer::Collection::Concerns::ResultsFetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/pipe_line_dealer/collection/concerns/results_fetcher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(collection, options) ⇒ ResultsFetcher

Returns a new instance of ResultsFetcher.



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# File 'lib/pipe_line_dealer/collection/concerns/results_fetcher.rb', line 7

def initialize(collection, options)
  @collection = collection
  @options = options
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/pipe_line_dealer/collection/concerns/results_fetcher.rb', line 5

def options
  @options
end

Instance Method Details

#each(&block) ⇒ Object 



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# File 'lib/pipe_line_dealer/collection/concerns/results_fetcher.rb', line 16

def each &block
  @params =  { page: 1, per_page: PipeLineDealer::Limits::MAX_RESULTS_PER_PAGE }

  @results_yielded = 0

  # Enforce maximum number of resulst per page.
  if limit && limit > PipeLineDealer::Limits::MAX_RESULTS_PER_PAGE
    options[:limit] = PipeLineDealer::Limits::MAX_RESULTS_PER_PAGE
  end

  @params[:per_page] = limit

  #TODO: refactor this deal specific piece of code.
  if options.has_key?(:where) && options[:where].has_key?(:query) && options[:where][:query].has_key?(:company_id)
    @params[:company_id] = options[:where][:query][:company_id].to_s
  end

  catch :stop_yielding do
    while true
      status, result = @collection.client.connection.get(@collection.collection_url + ".json", @params)

      if status == 200
        yield_results(result, &block)
      else # status != 200
        #TODO
        raise "Unexpected status #{status.inspect}"
      end
    end
  end
end

#limit ⇒ Object 



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# File 'lib/pipe_line_dealer/collection/concerns/results_fetcher.rb', line 12

def limit
  options[:limit] || PipeLineDealer::Limits::MAX_RESULTS_PER_PAGE
end

#yield_results(result, &block) ⇒ Object 



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# File 'lib/pipe_line_dealer/collection/concerns/results_fetcher.rb', line 47

def yield_results result, &block
  result["entries"].each do |entry|
    block.call(@collection.klass.new(collection: @collection, persisted: true, attributes: entry))
    @results_yielded += 1

    throw :stop_yielding if @results_yielded >= limit
  end

  if result["pagination"]["page"] < result["pagination"]["pages"]
    @params[:page] += 1
  else
    throw :stop_yielding
  end
end