def update_or_create_by_name(klass, h)

x = klass.find_by_name(h[:name])

if x.nil?

x = klass.create!(h)

else

x.update_attributes!(h)

end

x

end

def meta_repository

Repository.where(name: 'meta').

first_or_create!(description: 'Meta ontologies for Ontohub')

end

def download_from_ontohub_meta(source_file, target_file)

meta_repository

user = User.where(admin: true).first

filepath = "#{Rails.root}/test/fixtures/ontologies/#{target_file}"

system("wget -O #{filepath} https://ontohub.org/repositories/meta/master/download/#{source_file}")

basename = File.basename(filepath)

version = meta_repository.

save_file(filepath, basename, "Add #{basename}.", user, do_not_parse: true)

version.parse

system("rm #{filepath}")

version.ontology

end

namespace :generate do

desc 'Import the categories for the ontologies'

task :categories => :environment do

ontology = meta_repository.ontologies.

where("name ilike '%Domain Fields Core'").first

if ontology

ontology.create_categories

else

ontology = download_from_ontohub_meta(

'Domain_Fields_Core.owl', 'categories.owl')

end

ontology.create_categories

end

desc 'Import the proof statuses for theorems'

task :proof_statuses => :environment do

meta_repository

download_from_ontohub_meta('proof_statuses.owl', 'proof_statuses.owl')

ProofStatus.refresh_statuses

end

desc 'Generate entity trees for ALL OWL ontologies'

task :owl_ontology_class_hierarchies => :environment do

#cleaning up

EntityGroup.destroy_all

#generating new

logics = Logic.where(name: ["OWL2", "OWL"])

ontologies = Ontology.where(logic_id: logics)

ontologies.each do |ontology|

begin

TarjanTree.for(ontology)

rescue ActiveRecord::RecordNotFound => e

puts "Could not create entity tree for: #{ontology.name} (#{ontology.id}) caused #{e}"

end

end

end

desc 'Generate entity tree for one specific OWL ontologies'

task :class_hierachy_for_specific_ontology, [:ontology_id] => :environment do |t,args|

ontology = Ontology.find!(args.ontology_id)

#cleaning up to prevent duplicated entity_groups

ontology.entity_groups.destroy_all

#generating new

begin

TarjanTree.for(ontology)

rescue ActiveRecord::RecordNotFound => e

puts "Could not create entity tree for: #{ontology.name} (#{ontology.id}) caused #{e}"

end

end

desc 'Import the values for metadata'

task :metadata => :environment do

Settings.formality_levels.each { |t| update_or_create_by_name(FormalityLevel, t.to_h) }

Settings.license_models.each { |t| update_or_create_by_name(LicenseModel, t.to_h) }

Settings.ontology_types.each { |t| update_or_create_by_name(OntologyType, t.to_h) }

Settings.tasks.each { |t| update_or_create_by_name(Task, t.to_h) }

end

end