Module: Queries::BiologicalAssociation

Defined in:
lib/queries/biological_association/filter.rb,
lib/queries/biological_association/autocomplete.rb

Defined Under Namespace

Classes: Autocomplete, Filter

Instance Method Summary collapse

Instance Method Details

#collection_object_facet ⇒ Object

Unused



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# File 'lib/queries/biological_association/filter.rb', line 1136

def collection_object_facet
  subject_object_scope(subject_collection_object_query, object_collection_object_query, 'CollectionObject' )
end

#otu_facet ⇒ Object

Unused



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# File 'lib/queries/biological_association/filter.rb', line 1131

def otu_facet
  subject_object_scope(subject_otu_query, object_otu_query, 'Otu' )
end

#subject_object_scope(subject_query, object_query, target = 'Otu') ⇒ Object

rubocop:disable Metrics/MethodLength This is “or”



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# File 'lib/queries/biological_association/filter.rb', line 1075

def subject_object_scope(subject_query, object_query, target = 'Otu')
  a = subject_query
  b = object_query

  a_sql, b_sql = nil, nil

  if !a.nil? && !a.only_project?
    a_sql = a.all.to_sql
  end

  if !b.nil? && !b.only_project?
    b_sql = b.all.to_sql
  end

  return nil if a_sql.nil? and b_sql.nil?

  # Setup for "WITH" use
  t = []
  t.push 'a_objects AS (' + a_sql + ')' if a_sql
  t.push 'b_objects AS (' + b_sql + ')' if b_sql && (b_sql != a_sql)

  s = 'WITH ' + t.join(', ')

  # subject/object queries reference different params
  if a_sql && b_sql && (a_sql != b_sql)
    s << ' ' + ::BiologicalAssociation
      .joins("LEFT JOIN a_objects as a_objects1 on a_objects1.id = biological_associations.biological_association_subject_id AND biological_associations.biological_association_subject_type = '" + target + "'")
      .joins("LEFT JOIN b_objects as b_objects1 on b_objects1.id = biological_associations.biological_association_object_id AND biological_associations.biological_association_object_type = '" + target + "'")
      .where('a_objects1.id is not null').or('b_objects1.id is not null')
      .to_sql

    # subject/object queries reference same params
  elsif a_sql && b_sql
    s << ' ' + ::BiologicalAssociation
      .joins("LEFT JOIN a_objects as a_objects1 on a_objects1.id = biological_associations.biological_association_subject_id AND biological_associations.biological_association_subject_type = '" + target + "'")
      .joins("LEFT JOIN a_objects as a_objects2 on a_objects2.id = biological_associations.biological_association_object_id AND biological_associations.biological_association_object_type = '" + target + "'")
      .where('a_objects1.id is not null').or('a_objects2.id is not null')
      .to_sql

    # subject only
  elsif a_sql
    s << ' ' + ::BiologicalAssociation
      .joins("JOIN a_objects as a_objects1 on a_objects1.id = biological_associations.biological_association_subject_id AND biological_associations.biological_association_subject_type = '" + target + "'")
      .to_sql

    # object_only
  else
    s << ' ' + ::BiologicalAssociation
      .joins("JOIN b_objects as b_objects1 on b_objects1.id = biological_associations.biological_association_object_id AND biological_associations.biological_association_object_type = '" + target + "'")
      .to_sql
  end

  return ::BiologicalAssociation.from('(' + s + ') as biological_associations')
end