Class: Queries::Person::Filter

Inherits:
Query
  • Object
show all
Includes:
Concerns::Tags, Concerns::Users
Defined in:
lib/queries/person/filter.rb

Instance Attribute Summary collapse

Attributes inherited from Query

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

Instance Method Summary collapse

Methods inherited from 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(params) ⇒ Filter

Returns a new instance of Filter.



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# File 'lib/queries/person/filter.rb', line 53

def initialize(params)
  @role = [params[:role]].flatten.compact

  @first_name = params[:first_name]
  @last_name = params[:last_name]

  @name = params[:name]

  @last_name_starts_with = params[:last_name_starts_with]

  @person_wildcard = [params[:person_wildcard]].flatten.compact

  @used_in_project_id = params[:used_in_project_id]

  @levenshtein_cuttoff = params[:levenshtein_cuttoff]

  @born_after_year = params[:born_after_year]
  @born_before_year = params[:born_before_year]

  @active_after_year = params[:active_after_year]
  @active_before_year = params[:active_before_year]

  @died_after_year = params[:died_after_year]
  @died_before_year = params[:died_before_year]

  set_identifier(params)
  set_tags_params(params)
  set_user_dates(params)
end

Instance Attribute Details

#active_after_year ⇒ Object

Returns the value of attribute active_after_year.



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# File 'lib/queries/person/filter.rb', line 39

def active_after_year
  @active_after_year
end

#active_before_year ⇒ Object

Returns the value of attribute active_before_year.



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# File 'lib/queries/person/filter.rb', line 40

def active_before_year
  @active_before_year
end

#born_after_year ⇒ Object

Returns the value of attribute born_after_year.



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# File 'lib/queries/person/filter.rb', line 36

def born_after_year
  @born_after_year
end

#born_before_year ⇒ Object

Returns the value of attribute born_before_year.



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

def born_before_year
  @born_before_year
end

#died_after_year ⇒ Object

Returns the value of attribute died_after_year.



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

def died_after_year
  @died_after_year
end

#died_before_year ⇒ Object

Returns the value of attribute died_before_year.



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

def died_before_year
  @died_before_year
end

#first_name ⇒ String?

Returns also matches any AlternateValue.

Returns:

  • (String, nil) —

    also matches any AlternateValue



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# File 'lib/queries/person/filter.rb', line 10

def first_name
  @first_name
end

#last_name ⇒ String?

Returns also matches any AlternateValue.

Returns:

  • (String, nil) —

    also matches any AlternateValue



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# File 'lib/queries/person/filter.rb', line 14

def last_name
  @last_name
end

#last_name_starts_with ⇒ Object

Returns the value of attribute last_name_starts_with.



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# File 'lib/queries/person/filter.rb', line 45

def last_name_starts_with
  @last_name_starts_with
end

#levenshtein_cuttoff ⇒ Integer?

Returns matches cached, records less than this edit distance are returned !! requires `name` or is ignored !! if provided then last/first_name are ignored.

Returns:

  • (Integer, nil) —

    matches cached, records less than this edit distance are returned !! requires `name` or is ignored !! if provided then last/first_name are ignored



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

def levenshtein_cuttoff
  @levenshtein_cuttoff
end

#name ⇒ String?

Returns where against `cached`.

Returns:

  • (String, nil) —

    where against `cached`



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# File 'lib/queries/person/filter.rb', line 23

def name
  @name
end

#person_wildcard ⇒ Array

Returns values are attributes that should be wildcarded:

last_name, first_name, name.

Returns:

  • (Array) —

    values are attributes that should be wildcarded:

    last_name, first_name, name



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# File 'lib/queries/person/filter.rb', line 34

def person_wildcard
  @person_wildcard
end

#role ⇒ Array

Parameters:

  • role (Array, String) —

    A valid role name like 'Author' or array like ['TaxonDeterminer', 'SourceEditor']. See Role descendants.

Returns:

  • (Array) 


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# File 'lib/queries/person/filter.rb', line 19

def role
  @role
end

#used_in_project_id ⇒ Array

Returns only return people with roles in this project, named to clarify this has slightly different meaning for shared people than straight project_id.

Returns:

  • (Array) —

    only return people with roles in this project, named to clarify this has slightly different meaning for shared people than straight project_id



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

def used_in_project_id
  @used_in_project_id
end

Instance Method Details

#active_after_year_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 121

def active_after_year_facet
  return nil if active_after_year.nil?
  table[:year_active_start].gt(active_after_year)
    .or(table[:year_active_end].gt(active_after_year))
end

#active_before_year_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 127

def active_before_year_facet
  return nil if active_before_year.nil?
  table[:year_active_start].lt(active_before_year)
    .or(table[:year_active_end].lt(active_before_year))
end

#all ⇒ ActiveRecord::Relation

Returns:

  • (ActiveRecord::Relation) 


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# File 'lib/queries/person/filter.rb', line 248

def all
  a = and_clauses
  b = merge_clauses

  if a && b
    b.where(a).distinct
  elsif a
    ::Person.where(a).distinct
  elsif b
    b.distinct
  else
    ::Person.all
  end
end

#and_clauses ⇒ ActiveRecord::Relation?

Returns:

  • (ActiveRecord::Relation, nil) 


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# File 'lib/queries/person/filter.rb', line 194

def and_clauses
  clauses = [
    name_facet,
    born_after_year_facet,
    born_before_year_facet,

    died_after_year_facet,
    died_before_year_facet,

    active_after_year_facet,
    active_before_year_facet,

    last_name_starts_with_facet,
  ].compact

  return nil if clauses.empty?

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

#base_query ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 93

def base_query
  ::Person.select('people.*')
end

#born_after_year_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 101

def born_after_year_facet
  return nil if born_after_year.nil?
  table[:year_born].gt(born_after_year)
end

#born_before_year_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 106

def born_before_year_facet
  return nil if born_before_year.nil?
  table[:year_born].lt(born_before_year)
end

#died_after_year_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 111

def died_after_year_facet
  return nil if died_after_year.nil?
  table[:year_died].gt(died_after_year)
end

#died_before_year_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 116

def died_before_year_facet
  return nil if died_before_year.nil?
  table[:year_died].lt(died_before_year)
end

#last_name_starts_with_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 164

def last_name_starts_with_facet
  return nil if last_name_starts_with.blank? || !levenshtein_cuttoff.blank?
  table[:last_name].matches(last_name_starts_with + '%')
end

#levenshtein_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 174

def levenshtein_facet
  return nil unless levenshtein_cuttoff && (!name.blank?)
  ::Person.where(
    levenshtein_distance(:cached, name).lt(levenshtein_cuttoff).to_sql
  )
end

#merge_clauses ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 218

def merge_clauses
  clauses = [
    name_part_facet(:last_name),
    name_part_facet(:first_name),

    role_facet,
    levenshtein_facet,

    identifier_between_facet,
    identifier_facet,
    identifier_namespace_facet,

    keyword_id_facet,
    tag_facet,

    used_in_project_id_facet,

    created_updated_facet, # See Queries::Concerns::Users
  ].compact

  return nil if clauses.empty?

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

#name_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 155

def name_facet
  return nil if name.nil? || !levenshtein_cuttoff.blank?
  if person_wildcard.include?('name')
    table[:cached].matches('%' + name + '%')
  else
    table[:cached].eq(name)
  end
end

#name_part_facet(part = :last_name) ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 133

def name_part_facet(part = :last_name)
  v = send(part)

  return nil if v.nil?

  q = ::Person.left_outer_joins(:alternate_values)
  a = ::AlternateValue.arel_table

  w1, w2 = nil, nil

  if person_wildcard.include?(part.to_s)
    w = '%' + v + '%'
    w1 = table[part].matches(w)
    w2 = a[:value].matches(w)
  else
    w1 = table[part].eq(v)
    w2 = a[:value].eq(v)
  end

  q.where( w1.or(w2).to_sql )
end

#role_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 169

def role_facet
  return nil if role.empty?
  ::Person.joins(:roles).where( role_table[:type].eq_any(role) )
end

#role_table ⇒ Arel::Table

Returns:

  • (Arel::Table) 


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# File 'lib/queries/person/filter.rb', line 89

def role_table
  ::Role.arel_table
end

#table ⇒ Arel::Table

Returns:

  • (Arel::Table) 


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# File 'lib/queries/person/filter.rb', line 84

def table
  ::Person.arel_table
end

#used_in_project_id_facet ⇒ Object 



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# File 'lib/queries/person/filter.rb', line 181

def used_in_project_id_facet
  return nil unless !used_in_project_id.empty?

  w1 = role_table[:project_id].eq_any(used_in_project_id)
  w2 = ::ProjectSource.arel_table[:project_id].eq_any(used_in_project_id)

  a = ::Person.joins(:roles).where(w1.to_sql)
  b = ::Person.joins(sources: [:project_sources]).where( w2.to_sql)

  ::Person.from("((#{a.to_sql}) UNION (#{b.to_sql})) as people")
end