Rakefile

require_relative 'metadb'
include MetaDB

namespace :metadb do

  desc 'Derive thumbnail images for Items within a Project'
  task :derive_thumbnails, [:user, :password, :project_name, :host, :init, :term] do |t, args|

    args.with_defaults :host => 'localhost', :init => nil, :term => nil

    session = Session.new args.user, args[:password], args[:project_name], args.host
    session.project.derive_thumbnails args.init, args.term
  end

  desc 'Derive images for Items within a Project'
  task :derive, [:user, :password, :project_name, :host, :init, :term] do |t, args|

    args.with_defaults :host => 'localhost', :init => nil, :term => nil

    session = Session.new args.user, args[:password], args[:project_name], args.host
    session.project.derive args.init, args.term
  end

  desc 'Prefix titles for Items within a Project'
  task :prefix_titles, [:user, :password, :project_name, :prefix, :host] do |t, args|

    args.with_defaults :host => 'localhost'

    session = Session.new args.user, args[:password], args[:project_name], args.host
    session.project.prefix_titles args.prefix
  end

  desc 'Set the default field values for Items within a Project'
  task :set_default_values, [:user, :password, :project_name, :element, :label, :data, :host] do |t, args|

    args.with_defaults :host => 'localhost'

    session = Session.new args.user, args[:password], args[:project_name], args.host
    session.project.set_default_values [ { :element => args.element, :label => args.label, :data => args.data } ]
  end

  desc 'Split a Project'
  task :split, [:user, :password, :project_name, :host, :subset_length, :limit] do |t, args|

    args.with_defaults :host => 'localhost', :subset_length => '500', :limit => nil
    project_options = { :limit => args.limit }

    session = Session.new args.user, args[:password], args[:project_name], args.host, 'metadb', project_options

    # bundle exec rake metadb:split[metadb,l1bd3v,imperial-postcards,139.147.4.144]
    set = ProjectSet.split session.project, args.subset_length.to_i
    set.write
  end
end