Class: Crystal::Processors::HttpWriter

Inherits:
Crystal::Processor show all
Defined in:
lib/crystal/http/processors/http_writer.rb

Instance Attribute Summary collapse

Attributes inherited from Crystal::Processor

#next_processor

Instance Method Summary collapse

Methods inherited from Crystal::Processor

inspect

Constructor Details

#initialize(next_processor, result_variable = 'content') ⇒ HttpWriter

Returns a new instance of HttpWriter.



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# File 'lib/crystal/http/processors/http_writer.rb', line 6

def initialize next_processor, result_variable = 'content'
  super(next_processor)
  @result_variable = result_variable
end

Instance Attribute Details

#result_variable ⇒ Object

Returns the value of attribute result_variable.



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# File 'lib/crystal/http/processors/http_writer.rb', line 4

def result_variable
  @result_variable
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/crystal/http/processors/http_writer.rb', line 11

def call
  response = workspace.response.must_be.defined
  
  begin
    next_processor.call
    
    result = workspace[result_variable]
    response.body = result if response.body.blank? and result.present?
    response.content_type ||= Mime[workspace.params.format]
  rescue StandardError => e            
    raise e if config.test?
    
    # if workspace.error_processed?
    #   result = workspace[@result_variable]
    # 
    #   response.body << result if result
    #   response.content_type = Mime[workspace.params.format]
    # else
    
    if workspace.params.format? and workspace.params.format.json?
      response.body << {:error => (config.production? ? "Internal error!" : e.message)}.to_json
      response.content_type = Mime.json
    else
      response.body << (config.production? ? "Internal error!" : e.message)
      response.content_type = Mime.text
    end
    
    logger.error e
    logger.info "\n"
    
    # end
    
    # response.error = e # for RSpec helpers
  end
end