Class: Queries::Gazetteer::Filter

Inherits:
Query::Filter show all
Defined in:
lib/queries/gazetteer/filter.rb

Constant Summary collapse

PARAMS = 
[
  :containing_point,
  :gazetteer_id,
  :name,
  gazetteer_id: [],
  name: []
].freeze

Constants inherited from Query::Filter

Query::Filter::FILTER_QUERIES, Query::Filter::SUBQUERIES

Instance Attribute Summary collapse

Attributes inherited from Query::Filter

#api, #asserted_distribution_query, #biological_association_query, #biological_associations_graph_query, #collecting_event_query, #collection_object_query, #content_query, #controlled_vocabulary_term_query, #data_attribute_query, #depiction_query, #descriptor_query, #document_query, #dwc_occurrence_query, #extract_query, #field_occurrence_query, #image_query, #loan_query, #object_global_id, #observation_query, #order_by, #otu_query, #page, #paginate, #params, #per, #person_query, #project_id, #recent, #recent_target, #sound_query, #taxon_name_query, #venn, #venn_mode

Attributes inherited from Query

#query_string, #terms

Instance Method Summary collapse

Methods inherited from Query::Filter

#all, #all_and_clauses, #all_merge_clauses, #annotator_and_clauses, #annotator_merge_clauses, annotator_params, api_except_params, api_excluded_params, #apply_venn, #attribute_exact_facet, base_filter, base_query_name, base_query_to_h, #deep_permit, included_annotator_facets, instantiated_base_filter, inverted_subqueries, #model_id_facet, #object_global_id_facet, #only_project?, params, #permitted_params, #process_url_into_params, #project_id_facet, query_name, #query_name, #set_nested_queries, #shared_and_clauses, #subquery_vector, #target_and_clauses, #venn_query

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_intersection, #referenced_klass_union, #start_and_end_wildcard, #start_wildcard, #table, #wildcard_pieces

Constructor Details

#initialize(query_params) ⇒ Filter

Returns a new instance of Filter.



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# File 'lib/queries/gazetteer/filter.rb', line 29

def initialize(query_params)
  super
  @name = params[:name]
  @containing_point = params[:containing_point]
end

Instance Attribute Details

#containing_point ⇒ Object

Parameters:

  • WKT (String) —

    representation of a point. All areas

    containing that point are returned
e.g. `POINT(44 22)`



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# File 'lib/queries/gazetteer/filter.rb', line 27

def containing_point
  @containing_point
end

#gazetteer_id ⇒ Object

Returns Array.

Parameters:

  • gazetteer_id (Integer, Array)

Returns:

  • Array



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# File 'lib/queries/gazetteer/filter.rb', line 21

def gazetteer_id
  @gazetteer_id
end

#name ⇒ Object

Returns Array.

Parameters:

  • name (String, Array) —

    matches one or more named entities

Returns:

  • Array



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# File 'lib/queries/gazetteer/filter.rb', line 17

def name
  @name
end

Instance Method Details

#and_clauses ⇒ Object 



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# File 'lib/queries/gazetteer/filter.rb', line 62

def and_clauses
  [ name_facet ]
end

#containing_point_facet ⇒ Object 



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# File 'lib/queries/gazetteer/filter.rb', line 48

def containing_point_facet
  return nil if containing_point.nil?

  ::Gazetteer
    .joins(:geographic_item)
    #.merge(::GeographicItem.polygons)
    .where(
      ::GeographicItem.st_covers_sql(
        ::GeographicItem.geography_as_geometry,
        ::GeographicItem.st_geom_from_text_sql(containing_point)
      )
    )
end

#merge_clauses ⇒ Object 



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# File 'lib/queries/gazetteer/filter.rb', line 66

def merge_clauses
  [
    containing_point_facet
  ]
end

#name_facet ⇒ Object 



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# File 'lib/queries/gazetteer/filter.rb', line 43

def name_facet
  return nil if name.blank?
  table[:name].in(name)
end