Class: ElasticRansack::Search

Inherits:
Object
  • Object
show all
Includes:
Naming, Enumerable
Defined in:
lib/elastic_ransack/search.rb

Constant Summary collapse

DATETIME_REGEXP = 
/\d{2}\.\d{2}.\d{4} \d{2}\:\d{2}/
DATE_REGEXP = 
/\d{2}\.\d{2}.\d{4}/

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Naming

included, #persisted?, #to_key, #to_model, #to_param

Constructor Details

#initialize(model, options, search_options) ⇒ Search 



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# File 'lib/elastic_ransack/search.rb', line 17

def initialize(model, options, search_options)
  search_options ||= {}
  search_options.reverse_merge!(globalize: true)
  @model = model
  @options = options.stringify_keys
  @search_options = search_options || {}
  @sorts = []
  @globalize = @search_options.delete(:globalize)
  sorting = @options.delete('s')
  if sorting.blank?
    add_sort('id', 'desc')
  else
    sorting_split = sorting.split(/\s+/, 2)
    add_sort(sorting_split[0], sorting_split[1] || 'asc')
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(*args, &block) ⇒ Object 



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# File 'lib/elastic_ransack/search.rb', line 99

def method_missing(*args, &block)
  @model.send(*args, &block)
end

Instance Attribute Details

#globalize ⇒ Object (readonly)

Returns the value of attribute globalize.



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# File 'lib/elastic_ransack/search.rb', line 6

def globalize
  @globalize
end

#model ⇒ Object (readonly) Also known as: klass

Returns the value of attribute model.



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# File 'lib/elastic_ransack/search.rb', line 6

def model
  @model
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/elastic_ransack/search.rb', line 6

def options
  @options
end

#search_options ⇒ Object (readonly)

Returns the value of attribute search_options.



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# File 'lib/elastic_ransack/search.rb', line 6

def search_options
  @search_options
end

#search_results ⇒ Object (readonly)

Returns the value of attribute search_results.



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# File 'lib/elastic_ransack/search.rb', line 6

def search_results
  @search_results
end

#sorts ⇒ Object (readonly)

Returns the value of attribute sorts.



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# File 'lib/elastic_ransack/search.rb', line 6

def sorts
  @sorts
end

Instance Method Details

#add_sort(name, dir) ⇒ Object 



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# File 'lib/elastic_ransack/search.rb', line 34

def add_sort(name, dir)
  @sorts << OpenStruct.new(name: name, dir: dir)
end

#format_value(v) ⇒ Object 



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# File 'lib/elastic_ransack/search.rb', line 89

def format_value(v)
  if v =~ DATETIME_REGEXP
    Date.parse(v)
  elsif v =~ DATE_REGEXP
    Time.parse(v)
  else
    v
  end
end

#search ⇒ Object 



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# File 'lib/elastic_ransack/search.rb', line 38

def search
  @search_results ||= begin
    that = self
    query_string = []
    tire.search(@search_options) do
      and_filters = []
      sort do
        that.sorts.each do |s|
          by s.name, s.dir
        end
      end

      that.options.each do |k, v|
        next if v.blank?

        if k == 'q_cont' || k == 'q_eq'
          query_string << "#{v.lucene_escape}" if v.present?
          next
        end

        if k =~ /^(.+)_cont$/
          attr = $1
          attr = "#{$1.sub(/^translations_/, '')}_#{I18n.locale}" if that.globalize && attr =~ /^translations_(.+)/
          attr_query = [
              v.split.map { |part| "#{attr}:*#{part.lucene_escape}*" }.join(' AND '),
              v.split.map { |part| "#{attr}:\"#{part.lucene_escape}\"" }.join(' AND ')
          ]
          query_string << attr_query.map { |q| "(#{q})" }.join(' OR ')
          next
        else
          v = that.format_value(v)
        end

        ElasticRansack.predicates.each do |predicate|
          if k =~ predicate.regexp
            and_filters << predicate.query.call($1, v)
          end
        end
      end

      query { string query_string.join(' ') } unless query_string.blank?
      filter(:and, filters: and_filters) unless and_filters.blank?
    end
  end
end

#translate(*args) ⇒ Object 



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# File 'lib/elastic_ransack/search.rb', line 85

def translate(*args)
  model.human_attribute_name(args.first)
end