Contents

class Quandl::Command::Tasks::List < Quandl::Command::Tasks::Base
  
  description "List datasets matching conditions."
  options({
    String => {
      match:        "Only return datasets matching: [match]",
      source_code:  "Return datasets matching: [SOURCE_CODE]"
    },
    Integer => {
      limit:        "How datasets to return per page.",
      page:         "Return datasets starting from: [page]",
    }
  })
  
  authenticated_users_only!
  
  def execute
    # find dataset
    debug "search_params: #{search_params}"
    dataset = Quandl::Client::Dataset.where( search_params ).fetch
    codes = dataset.collect(&:full_code)
    # fail on errors
    info codes.join("\n")
  end
  
  def search_params
    search_params = {}
    search_params[:query] = options.match if options.match.present?
    search_params[:source_code] = options.source_code.to_s.upcase if options.source_code.present?
    search_params[:per_page] = options.limit if options.limit.present?
    search_params[:page] = page
    search_params[:self_search] = search_params[:source_code].present? ? false : true
    search_params
  end
  
  def page
    options.page.to_i || 1
  end
  
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
quandl-0.2.22	lib/quandl/command/tasks/list.rb