Class: CloudSearch::Searcher

Inherits:
Object
  • Object
show all
Includes:
ConfigurationChecking
Defined in:
lib/eden_cloud_search/searcher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Searcher

Returns a new instance of Searcher.



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# File 'lib/eden_cloud_search/searcher.rb', line 9

def initialize
  @response = SearchResponse.new
  @query = ''
  @boolean_queries = {}
  @filters = {}
  @facets = []
  @fields = []
end

Instance Attribute Details

#weights ⇒ Object (readonly)

Returns the value of attribute weights.



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# File 'lib/eden_cloud_search/searcher.rb', line 7

def weights
  @weights
end

Instance Method Details

#at_page(page) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 65

def at_page(page)
  @page_number = (page && page < 1) ? 1 : page
  self
end

#items_per_page ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 89

def items_per_page
  @response.items_per_page
end

#page_number ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 93

def page_number
  @page_number or 1
end

#params ⇒ Object

Raises:



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# File 'lib/eden_cloud_search/searcher.rb', line 70

def params
  check_configuration_parameters
  raise InsufficientParametersException.new('At least query or boolean_query must be defined.') if (@query.empty? && @boolean_queries.empty?)

  params = {
    'q' => query,
    'bq' => boolean_query,
    'size' => items_per_page,
    'start' => start,
    'return-fields' => URI.escape(@fields.join(",")),
    'facet' => @facets.join(','),
    'rank' => @rank
  }
  params.merge! @filters
  params.delete_if { |_,v| v.nil? || v.to_s.empty? }

  params
end

#ranked_by(rank_expression) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 50

def ranked_by(rank_expression)
  @rank = rank_expression
  self
end

#search ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 18

def search
  cloud_search_response = RestClient.get "#{CloudSearch.config.search_url}/search", :params => params
  @response.http_code   = cloud_search_response.code
  @response.body        = cloud_search_response.body

  @response
end

#start ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 97

def start
  return 0 if page_number <= 1
  (items_per_page * (page_number - 1))
end

#with_boolean_query(queries) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 31

def with_boolean_query(queries)
  queries.each do |k, v|
    queries[k] = [v] unless v.respond_to? :map
  end

  @boolean_queries.merge!(queries)
  self
end

#with_facets(*facets) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 45

def with_facets(*facets)
  @facets += facets
  self
end

#with_fields(*fields) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 55

def with_fields(*fields)
  @fields += fields
  self
end

#with_filters(filters) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 40

def with_filters(filters)
  @filters = filters
  self
end

#with_items_per_page(items_per_page) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 60

def with_items_per_page(items_per_page)
  @response.items_per_page = items_per_page
  self
end

#with_query(query) ⇒ Object 



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# File 'lib/eden_cloud_search/searcher.rb', line 26

def with_query(query)
  @query = query || ''
  self
end