Class: Queries::FieldOccurrence::Autocomplete

Inherits:
Query::Autocomplete show all
Defined in:
lib/queries/field_occurrence/autocomplete.rb

Constant Summary collapse

DEFAULT_LIMIT = 
40

Constants inherited from Query::Autocomplete

Query::Autocomplete::DELEGATED_DEPTH, Query::Autocomplete::DELEGATED_MINIMUM_LENGTH, Query::Autocomplete::LITERAL_RESTRICTION_MAX

Instance Attribute Summary

Attributes inherited from Query::Autocomplete

#delegated_results, #dynamic_limit, #limit, #project_id, #query_string, #restrict_to

Attributes inherited from Query

#query_string, #terms

Instance Method Summary collapse

Methods inherited from Query::Autocomplete

#apply_restriction, #asserted_object_autocomplete, #asserted_object_restriction, #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, #cached_facet, #combine_or_clauses, #common_name_name, #common_name_table, #common_name_wild_pieces, #delegated_autocomplete, #exactly_named, #fragments, #integers, #least_levenshtein, #match_wildcard_end_in_cached, #match_wildcard_in_cached, #named, #only_ids, #only_integers?, #order_by_id_rank, #parent, #parent_child_join, #parent_child_where, #pieces, #safe_integers, #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_intersection, #referenced_klass_union, #start_and_end_wildcard, #start_wildcard, #table, #wildcard_pieces

Constructor Details

#initialize(string, project_id: nil, restrict_to: nil, limit: nil) ⇒ Autocomplete

Returns a new instance of Autocomplete.



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# File 'lib/queries/field_occurrence/autocomplete.rb', line 9

def initialize(string, project_id: nil, restrict_to: nil, limit: nil)
  super(string, project_id:, restrict_to:, limit:)
end

Instance Method Details

#autocomplete ⇒ Array

Returns TODO: optimize limits.

Returns:

  • (Array) —

    TODO: optimize limits



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# File 'lib/queries/field_occurrence/autocomplete.rb', line 68

def autocomplete
  updated_queries = base_queries

  result = []
  updated_queries.each do |q|
    result += q.to_a
    result.uniq!
    break if result.count >= limit
  end
  result.first(limit)
end

#autocomplete_otu_determined_as ⇒ Object 



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# File 'lib/queries/field_occurrence/autocomplete.rb', line 34

def autocomplete_otu_determined_as
  t = otu_table[:name].matches_any(terms)

  ::FieldOccurrence.
    joins(taxon_determinations: [:otu]).
    where(t.to_sql).references(:taxon_determinations, :otus).
    order('otus.name ASC').limit(10)
end

#autocomplete_taxon_name_determined_as ⇒ Object 



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# File 'lib/queries/field_occurrence/autocomplete.rb', line 23

def autocomplete_taxon_name_determined_as
  t = taxon_name_table[:name].matches_any(terms).or(taxon_name_table[:cached].matches_any(terms) )

  ::FieldOccurrence.
    includes(:identifiers, taxon_determinations: [otu: :taxon_name]).
    joins(taxon_determinations: [:otu]).
    where(t.to_sql).
    references(:taxon_determinations, :otus, :taxon_names).
    order('otus.name ASC').limit(10)
end

#base_queries ⇒ Object 



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# File 'lib/queries/field_occurrence/autocomplete.rb', line 43

def base_queries
  queries = [
    autocomplete_exact_id,
    autocomplete_identifier_cached_exact,
    autocomplete_identifier_identifier_exact,
    autocomplete_taxon_name_determined_as,
    autocomplete_otu_determined_as,
    autocomplete_identifier_cached_like,
  ]

  queries.compact!

  return [] if queries.nil?
  updated_queries = []

  queries.each_with_index do |q ,i|
    a = q.where(project_id: project_id) if project_id.present?
    a ||= q
    updated_queries[i] = apply_restriction(a)
  end
  updated_queries
end

#otu_table ⇒ Arel::Table

Returns:

  • (Arel::Table) 


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# File 'lib/queries/field_occurrence/autocomplete.rb', line 19

def otu_table
  ::Otu.arel_table
end

#taxon_name_table ⇒ Arel::Table

Returns:

  • (Arel::Table) 


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# File 'lib/queries/field_occurrence/autocomplete.rb', line 14

def taxon_name_table
  ::TaxonName.arel_table
end