Class: FrederickAPI::V2::Helpers::Paginator

Inherits:
JsonApiClient::Paginating::Paginator
  • Object
show all
Defined in:
lib/frederick_api/v2/helpers/paginator.rb

Overview

Custom paginator for json api client Fixes param names for pagination Also adds ability to get all records from a paginated API

Instance Method Summary collapse

Instance Method Details

#all_records ⇒ Object 



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# File 'lib/frederick_api/v2/helpers/paginator.rb', line 13

def all_records
  current_result_set = nil
  results = self.result_set.to_a
  first_resource = self.result_set.first

  (total_pages - current_page).times do
    first_resource.class.with_headers(first_resource.custom_headers) do
      current_result_set = next_result_set(current_result_set)
      raise 'next link not found' unless current_result_set
      results.push(*current_result_set.to_a)
    end
  end
  results
end

#current_page ⇒ Object 



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# File 'lib/frederick_api/v2/helpers/paginator.rb', line 46

def current_page
  params.fetch("page.#{page_param}", 1).to_i
end

#per_page ⇒ Object 



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# File 'lib/frederick_api/v2/helpers/paginator.rb', line 40

def per_page
  params.fetch("page.#{per_page_param}") do
    result_set.length
  end.to_i
end

#total_pages ⇒ Object 



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# File 'lib/frederick_api/v2/helpers/paginator.rb', line 28

def total_pages
  if links['last']
    uri = result_set.links.link_url_for('last')
    last_params = params_for_uri(uri)
    last_params.fetch("page.#{page_param}") do
      current_page
    end.to_i
  else
    current_page
  end
end