Class: Queries::GeographicArea::Autocomplete

Inherits:
Query::Autocomplete show all
Includes:
Concerns::AlternateValues, Concerns::Tags
Defined in:
lib/queries/geographic_area/autocomplete.rb

Instance Attribute Summary

Attributes inherited from Query::Autocomplete

#dynamic_limit, #project_id, #query_string

Attributes inherited from Query

#query_string, #terms

Instance Method Summary collapse

Methods inherited from Query::Autocomplete

#autocomplete_cached, #autocomplete_cached_wildcard_anywhere, #autocomplete_common_name_exact, #autocomplete_common_name_like, #autocomplete_exact_id, #autocomplete_exactly_named, #autocomplete_named, #autocomplete_ordered_wildcard_pieces_in_cached, #combine_or_clauses, #common_name_name, #common_name_table, #common_name_wild_pieces, #exactly_named, #fragments, #integers, #match_wildcard_end_in_cached, #match_wildcard_in_cached, #named, #only_ids, #only_integers?, #parent, #parent_child_join, #parent_child_where, #pieces, #scope, #string_fragments, #wildcard_wrapped_integers, #wildcard_wrapped_years, #with_cached, #with_cached_like, #with_id, #with_project_id, #year_letter, #years

Methods inherited from Query

#alphabetic_strings, #alphanumeric_strings, base_name, #base_name, #base_query, #build_terms, #cached_facet, #end_wildcard, #levenshtein_distance, #match_ordered_wildcard_pieces_in_cached, #no_terms?, referenced_klass, #referenced_klass, #referenced_klass_except, #referenced_klass_union, #start_and_end_wildcard, #start_wildcard, #table, #wildcard_pieces

Constructor Details

#initialize(string, **params) ⇒ Autocomplete

Returns a new instance of Autocomplete.



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# File 'lib/queries/geographic_area/autocomplete.rb', line 8

def initialize(string, **params)
  set_tags_params(params)
  set_alternate_value(params)
  super
end

Instance Method Details

#autocomplete ⇒ Object

Returns Array.

Returns:

  • Array



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# File 'lib/queries/geographic_area/autocomplete.rb', line 25

def autocomplete
  #t = Time.now
  pr_id = project_id.join(',') if project_id.present?

  return [] if query_string.blank?
  queries = [
    [ ::GeographicArea.where(id: query_string).all, false ],
    [ ::GeographicArea.where(name: query_string).all, false ],
    [ ::GeographicArea.joins(:alternate_values).where('alternate_values.value ILIKE ?', query_string).all, false ],
    [ ::GeographicArea.joins(parent_child_join).where(Arel.sql(parent_child_where.to_sql)).limit(5).all, true ],
    [ ::GeographicArea.where(Arel.sql(where_sql)).limit(dynamic_limit).all, true ],
    [ autocomplete_exact_id, false ],
    [ autocomplete_identifier_cached_exact, false ],
    [ autocomplete_identifier_identifier_exact, false ],
    [ autocomplete_alternate_values_name.limit(dynamic_limit), true ]
  ]

  queries.compact!

  updated_queries = []

  queries.each_with_index do |q, i|
    a = q[0]
    if q[1] && query_string.length > 3 # do not use extended query for identifiers
      if project_id.present? && !a.nil?
         a = a.left_outer_joins(:asserted_distributions)
           .left_outer_joins(:collecting_events)
           .select("geographic_areas.*, (COUNT(collecting_events.id) + COUNT(asserted_distributions.id)) AS use_count, CASE WHEN asserted_distributions.project_id IN (#{pr_id}) THEN asserted_distributions.project_id WHEN collecting_events.project_id IN (#{pr_id}) THEN collecting_events.project_id ELSE NULL END AS in_project")
           .group('geographic_areas.id, collecting_events.project_id, asserted_distributions.project_id')
           .order('in_project, use_count DESC')
      end
    end
    updated_queries[i] = a
  end
  result = []
  updated_queries.compact!
  #t2 = Time.now.to_f - t.to_f
  #puts t2
  updated_queries.each do |q|
    result += q.includes(:geographic_areas_geographic_items).to_a
    result.uniq!
    break if result.count > 19
  end
  #t2 = Time.now.to_f - t.to_f
  #puts t2
  result = result[0..19]
end

#autocomplete_alternate_values_name ⇒ Object 



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# File 'lib/queries/geographic_area/autocomplete.rb', line 20

def autocomplete_alternate_values_name
  matching_alternate_value_on(:name)
end

#where_sql ⇒ String

TODO: use or_clauses

Returns:

  • (String) 


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# File 'lib/queries/geographic_area/autocomplete.rb', line 16

def where_sql
  named.to_sql
end