Class: Queries::Extract::Filter

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

Overview

TODO

  • use date processing? / DateConcern

  • syncronize with GIS/GEO

Instance Attribute Summary collapse

Attributes inherited from Query

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

Instance Method Summary collapse

Methods included from Helpers

#boolean_param

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.

Parameters:

  • args (Hash) —

    are permitted params



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# File 'lib/queries/extract/filter.rb', line 26

def initialize(params)
  @respository_id = params[:respository_id] 
  @recent = boolean_param(params, :recent)

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

Instance Attribute Details

#recent ⇒ Boolen?

Parameters:

  • 'true' (String, nil) —

    • order by updated_at

    'false', nil - do not apply ordering

Returns:

  • (Boolen, nil) 


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

def recent
  @recent
end

#repository_id ⇒ Array of Repository#id

Returns:



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

def repository_id
  @repository_id
end

Instance Method Details

#all ⇒ ActiveRecord::Relation

Returns:

  • (ActiveRecord::Relation) 


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# File 'lib/queries/extract/filter.rb', line 103

def all
  a = and_clauses
  b = merge_clauses
  # q = nil
  if a && b
    q = b.where(a).distinct
  elsif a
    q = ::Extract.where(a).distinct
  elsif b
    q = b.distinct
  else
    q = ::Extract.all
  end

  q = q.order(updated_at: :desc) if recent
  q
end

#and_clauses ⇒ ActiveRecord::Relation

Returns:

  • (ActiveRecord::Relation) 


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# File 'lib/queries/extract/filter.rb', line 54

def and_clauses
  clauses = base_and_clauses

  return nil if clauses.empty?

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

#base_and_clauses ⇒ Array

Returns:

  • (Array) 


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# File 'lib/queries/extract/filter.rb', line 67

def base_and_clauses
  clauses = []
  # clauses += [ ]
  # clauses.compact!
  clauses
end

#base_merge_clauses ⇒ Object 



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# File 'lib/queries/extract/filter.rb', line 74

def base_merge_clauses
  clauses = []

  clauses += [
    repository_id_facet,
    keyword_id_facet,       # See Queries::Concerns::Tags
    created_updated_facet,  # See Queries::Concerns::Users
    identifiers_facet,      # See Queries::Concerns::Identifiers
    identifier_between_facet,
    identifier_facet,
    identifier_namespace_facet,
  ]

  clauses.compact!
  clauses
end

#base_query ⇒ Object 



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

def base_query
  ::Extract.select('extracts.*')
end

#merge_clauses ⇒ ActiveRecord::Relation

Returns:

  • (ActiveRecord::Relation) 


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# File 'lib/queries/extract/filter.rb', line 92

def merge_clauses
  clauses = base_merge_clauses        
  return nil if clauses.empty?
  a = clauses.shift
  clauses.each do |b|
    a = a.merge(b)
  end
  a
end

#repository_id_facet ⇒ Object 



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

def repository_id_facet
  return nil if repository_id.blank?
  table[:repository_id].eq_any(repository_id)
end

#table ⇒ Arel::Table

Returns:

  • (Arel::Table) 


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

def table
  ::Extract.arel_table
end