Class: Dataset::Adaptors::Iqvoc::SearchAdaptor

Inherits:
HttpAdaptor
  • Object
show all
Defined in:
app/models/dataset/adaptors/iqvoc/search_adaptor.rb

Direct Known Subclasses

AlphabeticalSearchAdaptor

Instance Method Summary collapse

Instance Method Details

#extract_results(html) ⇒ Object 



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# File 'app/models/dataset/adaptors/iqvoc/search_adaptor.rb', line 34

def extract_results(html)
  @doc = Nokogiri::HTML(html)

  @doc.css('.search-result').map do |element|
    link = element.at_css('.search-result-link')
    label, path = link.text, link['data-resource-path']
    result = SearchResultRemote.new(url, path, label)

    if (meta = element.css('.search-result-meta > .search-result-value')) && meta.any?
      meta.each do |element|
        result.add_meta_information(element['data-key'], element.text)
      end
    end

    if body = element.at_css('.search-result-body')
      result.body = body.text
    end

    result.rdf_namespace = element['data-rdf-namespace']
    result.rdf_predicate = element['data-rdf-predicate']
    result.language = element['data-rdf-language']

    result
  end
end

#fetch_results(path, params = {}) ⇒ Object 



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# File 'app/models/dataset/adaptors/iqvoc/search_adaptor.rb', line 19

def fetch_results(path, params = {})
  begin
    response = @conn.get(path, params)
    @results ||= []
    @results += extract_results(response.body)
    while more = @doc.at_css('a[rel=next]')
      fetch_results(more[:href], {})
    end
  rescue Faraday::ConnectionFailed,
    Faraday::ResourceNotFound => e
      Rails.logger.warn("HTTP error while querying remote source #{path}: #{e.message}")
      return nil
  end
end

#search(raw_params = {}) ⇒ Object 



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# File 'app/models/dataset/adaptors/iqvoc/search_adaptor.rb', line 2

def search(raw_params = {})
  languages = raw_params.fetch(:languages, I18n.locale)
  languages = Array.wrap(languages).flatten.join(',')

  params = {
    q: raw_params[:q],
    t: raw_params[:t],
    l: languages,
    c: raw_params[:c],
    qt: raw_params[:qt],
    page: 1 # hard code the first page as we need to follow pagination links
  }

  fetch_results('search.html', params)
  @results
end