Class: ASpaceEnvironment

Inherits:
Object
  • Object
show all
Defined in:
backend/app/lib/bootstrap.rb

Class Method Summary collapse

Class Method Details

.demo_db? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'backend/app/lib/bootstrap.rb', line 69

def self.demo_db?
  AppConfig[:db_url] =~ /aspacedemo=true/
end

.download_demo_db ⇒ Object 



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# File 'backend/app/lib/bootstrap.rb', line 73

def self.download_demo_db
  if File.exist?(File.join(Dir.tmpdir, 'data'))
    puts "Data directory already exists at #{File.join(Dir.tmpdir, 'data')}."
    AppConfig[:data_directory] = File.join(Dir.tmpdir, 'data')
    return
  end

  zip_file = File.join( Dir.tmpdir, "archivesspace_demo_data.zip")
  File.open( zip_file, 'wb' ) do |file|
    puts "Attempting to download data from #{AppConfig[:demo_data_url]}"
    open(AppConfig[:demo_data_url], 'rb') do |zip|
      file.write(zip.read)
    end
  end

  if File.exist?(zip_file)
    puts "Extracting data to #{Dir.tmpdir} directory"
    Zip::File.open(zip_file) do |zf|
      zf.each do |entry|
        entry.extract(File.join(Dir.tmpdir, entry.name))
      end
    end
    AppConfig[:data_directory] = File.join(Dir.tmpdir, 'data')
  else
    puts <<~EOF
      
      ************************************************************************
      *
      *   WARNING: Unable to download demo data. Using database defined in config
      *
      ************************************************************************
    EOF
  end
end

.environment ⇒ Object 



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# File 'backend/app/lib/bootstrap.rb', line 43

def self.environment
  @environment
end

.init(environment = :auto) ⇒ Object 



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# File 'backend/app/lib/bootstrap.rb', line 48

def self.init(environment = :auto)
  return if @environment      # Already initialised

  if environment != :auto
    @environment = environment
  elsif ENV["ASPACE_DEMO"] == 'true'
    # to use this mechanism, put URL to demo database in AppConfig[:demo_data_url]
    download_demo_db
    @environment = :production
  else
    if ENV["ASPACE_INTEGRATION"] == "true"
      @environment = :integration
    else
      @environment = :production
    end
  end

  prepare_database
end

.prepare_database ⇒ Object 



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# File 'backend/app/lib/bootstrap.rb', line 108

def self.prepare_database
    if @environment == :integration && demo_db?
      # For integration, use an in-memory database instead.
      AppConfig[:db_url] = "jdbc:derby:memory:integrationdb;create=true;aspacedemo=true"
    end

    if @environment != :unit_test
      FileUtils.mkdir_p(AppConfig[:data_directory])

      if demo_db?
        # Try to discourage Derby from locking whole tables.
        java.lang.System.set_property("derby.locks.escalationThreshold", "2147483647")

        Sequel.connect(AppConfig[:db_url]) do |db|
          puts "Running database migrations for demo database"
          DBMigrator.setup_database(db)
          puts "All done."
        end

        puts <<~EOF
          
          ************************************************************************
          ***
          *** WARNING: Running against the demo database, which is not intended
          *** for production use.
          ***
          *** Please see the README.md file for instructions on configuring MySQL.
          ***
          ************************************************************************
          
        EOF
      end
    end
  end

end