Class: CommonName::Filter

Inherits:
Queries::Query show all
Defined in:
lib/queries/common_name/filter.rb

Instance Attribute Summary collapse

Attributes inherited from Queries::Query

#dynamic_limit, #options, #project_id, #query_string, #terms

Instance Method Summary collapse

Methods inherited from Queries::Query

#alphabetic_strings, #attribute_exact_facet, #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, #build_terms, #cached, #combine_or_clauses, #common_name_name, #common_name_table, #common_name_wild_pieces, #end_wildcard, #exactly_named, #fragments, #integers, #levenshtein_distance, #match_ordered_wildcard_pieces_in_cached, #match_wildcard_end_in_cached, #match_wildcard_in_cached, #named, #no_terms?, #only_ids, #only_integers?, #parent, #parent_child_join, #parent_child_where, #pieces, #result, #scope, #start_and_end_wildcard, #start_wildcard, #wildcard_pieces, #wildcard_wrapped_integers, #wildcard_wrapped_years, #with_cached, #with_cached_like, #with_id, #with_project_id, #year_letter, #years

Constructor Details

#initialize(options) ⇒ Filter

Returns a new instance of Filter.

Parameters:

  • options (Hash) 


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# File 'lib/queries/common_name/filter.rb', line 9

def initialize(options)
  @name = options[:name]
  @geographic_area_id = options[:geographic_area_id]
  @otu_id = options[:otu_id]
  @language_id = options[:language_id]
end

Instance Attribute Details

#geographic_area_id ⇒ Object

Query variables



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# File 'lib/queries/common_name/filter.rb', line 6

def geographic_area_id
  @geographic_area_id
end

#language_id ⇒ Object

Query variables



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# File 'lib/queries/common_name/filter.rb', line 6

def language_id
  @language_id
end

#name ⇒ Object

Query variables



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# File 'lib/queries/common_name/filter.rb', line 6

def name
  @name
end

#otu_id ⇒ Object

Query variables



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# File 'lib/queries/common_name/filter.rb', line 6

def otu_id
  @otu_id
end

Instance Method Details

#all ⇒ ActiveRecord::Relation

Returns:

  • (ActiveRecord::Relation) 


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# File 'lib/queries/common_name/filter.rb', line 55

def all
  a = and_clauses
  if a 
    ::CommonName.where(a).distinct
  else
    ::CommonName.none
  end
end

#and_clauses ⇒ ActiveRecord::Relation?

Returns:

  • (ActiveRecord::Relation, nil) 


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# File 'lib/queries/common_name/filter.rb', line 37

def and_clauses
  clauses = [
      matching_otu_id,
      matching_geographic_area_id,
      matching_name,
      matching_language_id
  ].compact

  return nil if clauses.empty?

  a = clauses.shift
  clauses.each do |b|
    a = a.and(b)
  end
  a
end

#matching_geographic_area_id ⇒ Object 



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# File 'lib/queries/common_name/filter.rb', line 32

def matching_geographic_area_id
  geographic_area_id ? table[:geographic_area_id].eq(geographic_area_id) : nil
end

#matching_language_id ⇒ Object 



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# File 'lib/queries/common_name/filter.rb', line 24

def matching_language_id
  language_id ? table[:language_id].eq(language_id) : nil
end

#matching_name ⇒ Object 



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# File 'lib/queries/common_name/filter.rb', line 28

def matching_name
  name ? table[:name].eq(name) : nil
end

#matching_otu_id ⇒ Object 



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# File 'lib/queries/common_name/filter.rb', line 20

def matching_otu_id
  otu_id ? table[:otu_id].eq(otu_id) : nil
end

#table ⇒ Object 



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# File 'lib/queries/common_name/filter.rb', line 16

def table
  ::CommonName.arel_table
end