Module: Tanker

Extended by:
Configuration
Defined in:
lib/tanker.rb,
lib/tanker/railtie.rb,
lib/tanker/utilities.rb,
lib/tanker/configuration.rb

Defined Under Namespace

Modules: ClassMethods, Configuration, InstanceMethods, Utilities Classes: ModelConfig, NoBlockGiven, NotConfigured, Railtie

Class Attribute Summary collapse

Class Method Summary collapse

Methods included from Configuration

configuration, configuration=

Class Attribute Details

.included_in ⇒ Object (readonly)

Returns the value of attribute included_in.



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# File 'lib/tanker.rb', line 32

def included_in
  @included_in
end

Class Method Details

.api ⇒ Object 



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# File 'lib/tanker.rb', line 34

def api
  @api ||= IndexTank::ApiClient.new(Tanker.configuration[:url])
end

.batch_update(records) ⇒ Object 



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# File 'lib/tanker.rb', line 52

def batch_update(records)
  return false if records.empty?
  data = records.map do |record|
    options = record.tanker_index_options
    options.merge!( :docid => record.it_doc_id, :fields => record.tanker_index_data )
    options
  end
  records.first.class.tanker_index.add_documents(data)
end

.included(klass) ⇒ Object 



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# File 'lib/tanker.rb', line 38

def included(klass)
  @included_in ||= []
  @included_in << klass
  @included_in.uniq!

  configuration # raises error if not defined
  klass.send :include, InstanceMethods
  klass.extend ClassMethods

  class << klass
    define_method(:per_page) { 10 } unless respond_to?(:per_page)
  end
end

.search(models, query, options = {}) ⇒ Object 



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# File 'lib/tanker.rb', line 62

def search(models, query, options = {})
  ids      = []
  models   = [models].flatten.uniq
  page     = (options.delete(:page) || 1).to_i
  per_page = (options.delete(:per_page) || models.first.per_page).to_i
  index    = models.first.tanker_index
  query    = query.join(' ') if Array === query

  if (index_names = models.map(&:tanker_config).map(&:index_name).uniq).size > 1
    raise "You can't search across multiple indexes in one call (#{index_names.inspect})"
  end


  # move conditions into the query body
  if conditions = options.delete(:conditions)
    conditions.each do |field, value|
      value = [value].flatten.compact
      value.each do |item|
        query += " #{field}:(#{item})"
      end
    end
  end

  # rephrase filter_functions
  if filter_functions = options.delete(:filter_functions)
    filter_functions.each do |function_number, ranges|
      options[:"filter_function#{function_number}"] = ranges.map{|r|r.join(':')}.join(',')
    end
  end

  # rephrase filter_docvars
  if filter_docvars = options.delete(:filter_docvars)
    filter_docvars.each do |var_number, ranges|
      options[:"filter_docvar#{var_number}"] = ranges.map{|r|r.join(':')}.join(',')
    end
  end

  query = "__any:(#{query.to_s}) __type:(#{models.map(&:name).join(' OR ')})"
  options = { :start => per_page * (page - 1), :len => per_page }.merge(options)
  results = index.search(query, options)

  @entries = WillPaginate::Collection.create(page, per_page) do |pager|
    # inject the result array into the paginated collection:
    pager.replace instantiate_results(results)

    unless pager.total_entries
      # the pager didn't manage to guess the total count, do it manually
      pager.total_entries = results["matches"]
    end
  end
end