Class: StackviewDataController

Inherits:
ApplicationController
  • Object
show all
Defined in:
app/controllers/stackview_data_controller.rb

Constant Summary collapse

DefaultStackviewDocAttributes =

stackview doesn’t like it if certain things are blank

{
  "measurement_height_numeric" => 23,
  "shelfrank" => 1,
  "measurement_page_numeric" => 100
}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.config_for_type(type) ⇒ Object 



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# File 'app/controllers/stackview_data_controller.rb', line 43

def self.config_for_type(type)
  type = type.to_s

  config  = self._config_for_types[type]
  unless config
    raise ArgumentError, "No config found for #{type}"
  end
  default = _config_for_types['default']

  return config.reverse_merge(default)
end

.remove_config_for_type(type) ⇒ Object

mostly for testing



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# File 'app/controllers/stackview_data_controller.rb', line 58

def self.remove_config_for_type(type)
  type = type.to_s
  _config_for_types.delete(type)
end

.set_config_for_type(type, attributes) ⇒ Object 



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# File 'app/controllers/stackview_data_controller.rb', line 36

def self.set_config_for_type(type, attributes)
  type = type.to_s
  config = (self._config_for_types[type] ||= {})
  config.merge! attributes

  return config
end

Instance Method Details

#config_for_type(type) ⇒ Object 



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# File 'app/controllers/stackview_data_controller.rb', line 54

def config_for_type(type)
  self.class.config_for_type(type)
end

#fetch ⇒ Object 



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# File 'app/controllers/stackview_data_controller.rb', line 65

def fetch
  config = config_for_type( params[:call_number_type] )

  fetch_adapter = config[:fetch_adapter].call    

  # Make sure defaults are covered
  docs = fetch_adapter.fetch(params).collect do |d|      
    d = d.reverse_merge DefaultStackviewDocAttributes
    # stackview doens't like shelfrank's over 100
    d["shelfrank"] = [d["shelfrank"], 100].min

    d
  end

  # add in URLs
  url_proc = config[:link] || (lambda {|doc| doc["link"]})
  docs.each do |doc|
    doc["link"] = self.instance_exec(doc, &url_proc)
  end

  result = {'docs' => docs}
  result['start'] = "-1" if docs.empty?

  render :json => result
end