Class: Queries::Person::Autocomplete

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

Instance Attribute Summary collapse

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, #cached_facet, #combine_or_clauses, #common_name_name, #common_name_table, #common_name_wild_pieces, #exactly_named, #fragments, #integers, #least_levenshtein, #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_intersection, #referenced_klass_union, #start_and_end_wildcard, #start_wildcard, #table, #wildcard_pieces

Constructor Details

#initialize(string, **params) ⇒ Autocomplete

Returns a new instance of Autocomplete.

Parameters:

  • args (Hash) —

    !! project_id is required!!



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# File 'lib/queries/person/autocomplete.rb', line 21

def initialize(string, **params)
  @role_type = params[:role_type]
  @in_project = boolean_param(params, :in_project)

  set_tags_params(params)
  set_alternate_value(params)
  super
end

Instance Attribute Details

#in_project ⇒ Boolean?

Returns true - restrict to only people used in this project nil, false - ignored.

Returns:

  • (Boolean, nil) —

    true - restrict to only people used in this project nil, false - ignored



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# File 'lib/queries/person/autocomplete.rb', line 17

def in_project
  @in_project
end

#role_type ⇒ Array

Parameters:

  • limit_to_role (String, Array) —

    any Role class, like ‘TaxonNameAuthor`, `SourceAuthor`, `SourceEditor`, `Collector`, etc.

Returns:

  • (Array) 


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# File 'lib/queries/person/autocomplete.rb', line 12

def role_type
  @role_type
end

Instance Method Details

#autocomplete ⇒ Array

Returns:

  • (Array) 


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# File 'lib/queries/person/autocomplete.rb', line 99

def autocomplete
  return [] if query_string.blank? || project_id.empty?

  queries = [
    [ autocomplete_exact_id, false ],
    [ autocomplete_exact_match&.limit(5), true ],
    [ autocomplete_exact_inverted&.limit(5), true ],
    [ autocomplete_identifier_cached_exact, false ],
    [ autocomplete_identifier_identifier_exact, false ],
    [ autocomplete_exact_last_name_match.limit(20), true ],
    [ autocomplete_alternate_values_last_name.limit(20), true ],
    [ autocomplete_alternate_values_first_name.limit(20), true ],
    [ autocomplete_ordered_wildcard_pieces_in_cached&.limit(5), true ],
    [ autocomplete_cached_wildcard_anywhere&.limit(20), true ], # in Queries::Query::Autocomplete
    [ autocomplete_cached.limit(20), true ]
  ]

  queries.compact!

  updated_queries = []

  pr_id = project_id.join(',') if project_id
  queries.each_with_index do |q, i|
    a = q[0]

    if !a.nil?
      if role_type.present?
        a = a.joins(:roles).where(role_match.to_sql)
      end

      if q[1] && query_string.length > 1 # do not use extended query for identifiers
        if project_id.present?
          a = a.left_outer_joins(:roles)
          .joins("LEFT OUTER JOIN sources ON roles.role_object_id = sources.id AND roles.role_object_type = 'Source'")
          .joins('LEFT OUTER JOIN project_sources ON sources.id = project_sources.source_id')
          .select("people.*, COUNT(roles.id) AS use_count, CASE WHEN roles.project_id IN (#{pr_id}) THEN roles.project_id WHEN project_sources.project_id IN (#{pr_id}) THEN project_sources.project_id ELSE NULL END AS in_project")
          .group('people.id, roles.project_id, project_sources.project_id')
          .order('in_project, use_count DESC')
          #a = a.left_outer_joins(:roles)
          #     .joins("LEFT OUTER JOIN sources ON roles.role_object_id = sources.id AND roles.role_object_type = 'Source'")
          #     .joins('LEFT OUTER JOIN project_sources ON sources.id = project_sources.source_id')
          #     .select("people.*, COUNT(roles.id) AS use_count, CASE WHEN MAX(roles.project_id) IN (#{pr_id}) THEN MAX(roles.project_id) WHEN MAX(project_sources.project_id) IN (#{pr_id}) THEN MAX(project_sources.project_id) ELSE NULL END AS in_project")
          #     .where("roles.project_id IN (#{pr_id}) OR project_sources.project_id IN (#{pr_id}) OR ( (roles.project_id NOT IN (#{pr_id}) OR roles.project_id IS NULL) AND (project_sources.project_id NOT IN (#{pr_id}) OR project_sources.project_id IS NULL))")
          #     .group('people.id')
          #     .order('in_project, use_count DESC')
        end
      end
    end
    updated_queries[i] = a
  end
  result = []
  updated_queries.compact!
  updated_queries.each do |q|
    result += q.to_a
    result.uniq!
    break if result.count > 19
  end
  result = result[0..19]
end

#autocomplete_alternate_values_first_name ⇒ Object 



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# File 'lib/queries/person/autocomplete.rb', line 69

def autocomplete_alternate_values_first_name
  matching_alternate_value_on(:first_name)
end

#autocomplete_alternate_values_last_name ⇒ Object 



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# File 'lib/queries/person/autocomplete.rb', line 65

def autocomplete_alternate_values_last_name
  matching_alternate_value_on(:last_name)
end

#autocomplete_exact_inverted ⇒ Scope

Returns:

  • (Scope) 


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# File 'lib/queries/person/autocomplete.rb', line 57

def autocomplete_exact_inverted
  a = invert_name
  return nil if a.nil?
  base_query.where(
    table[:cached].eq(a).to_sql
  )
end

#autocomplete_exact_last_name_match ⇒ Object 



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# File 'lib/queries/person/autocomplete.rb', line 50

def autocomplete_exact_last_name_match
  base_query.where(
    table[:last_name].eq(query_string).to_sql
  )
end

#autocomplete_exact_match ⇒ Scope

Returns:

  • (Scope) 


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# File 'lib/queries/person/autocomplete.rb', line 42

def autocomplete_exact_match
  a = normalize_name
  return nil if a.nil?
  base_query.where(
    table[:cached].eq(normalize_name).to_sql
  )
end

#invert_name ⇒ String

TODO: Use Namae?

Returns:

  • (String) —

    simple name inversion given ‘Sarah Smith` return `Smith, Sarah`



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# File 'lib/queries/person/autocomplete.rb', line 85

def invert_name
  a = normalize( query_string.split(/\s+/, 2).reverse.map(&:strip).join(', ') )
  return nil if a.nil?
  a
end

#normalize(string) ⇒ String?

TODO: Use bibtex parser!!

Parameters:

  • string (String)

Returns:

  • (String, nil) 


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# File 'lib/queries/person/autocomplete.rb', line 76

def normalize(string)
  n = string.strip.split(/\s*\,\s*/, 2).join(', ')
  return nil unless n.include?(' ')
  n
end

#normalize_name ⇒ String

Returns:

  • (String) 


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# File 'lib/queries/person/autocomplete.rb', line 92

def normalize_name
  a = normalize(query_string)
  return nil if a.nil?
  a
end

#role_match ⇒ Arel::Nodes::Equatity

Returns:

  • (Arel::Nodes::Equatity) 


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# File 'lib/queries/person/autocomplete.rb', line 35

def role_match
  a = roles_table[:type].in(role_type)
  a = a.and(roles_table[:project_id].in(project_id)) if in_project
  a
end

#roles_table ⇒ Arel::Table

Returns:

  • (Arel::Table) 


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# File 'lib/queries/person/autocomplete.rb', line 160

def roles_table
  ::Role.arel_table
end