Class: EtnaApp::Administrate::Models::ApplyTemplate

Inherits:

Etna::Command

• Object
• Etna::Command
• EtnaApp::Administrate::Models::ApplyTemplate

Includes:

StrongConfirmation, WithEtnaClients, WithLogger

Defined in:

lib/commands.rb

Instance Attribute Summary

Attributes inherited from Etna::Command

#parent

Instance Method Summary

• #execute(project_name, target_model: 'project', file: "#{project_name}_models_#{target_model}_tree.csv") ⇒ Object
• #load_models_from_csv(file) ⇒ Object
• #reset ⇒ Object
• #workflow ⇒ Object

Methods included from WithLogger

#logger

Methods included from StrongConfirmation

#confirm

Methods included from WithEtnaClients

#environment, #exit, exit, #janus_client, #magma_client, #metis_client, #polyphemus_client, #token

Methods inherited from Etna::Command

#completions, #fill_in_missing_params, #find_command, #initialize, parent_scope, #setup

Methods included from Etna::CommandOrExecutor

#command_name, #completions_for, #desc, #flag_argspec, #flag_as_parameter, included, #parse_flags, #program_name, #usage

Constructor Details

This class inherits a constructor from Etna::Command

Instance Method Details

#execute(project_name, target_model: 'project', file: "#{project_name}_models_#{target_model}_tree.csv") ⇒ Object

# File 'lib/commands.rb', line 162

def execute(project_name, target_model: 'project', file: "#{project_name}_models_#{target_model}_tree.csv")
  reset

  unless File.exists?(file)
    puts "Could not find file #{file}"
    return
  end

  load_models_from_csv(file)

  while true
    if @changeset && @errors.empty?
      puts "File #{file} is well formatted.  Calculating expected changes..."
      sync_workflow = workflow.plan_synchronization(@changeset, project_name, target_model)
      models_and_action_types = sync_workflow.planned_actions.map { |a| Etna::Clients::Magma::ModelSynchronizationWorkflow.models_affected_by(a).map { |m| [m, a.action_name] }.flatten }
      models_and_action_types.sort!
      models_and_action_types = models_and_action_types.group_by(&:first)

      models_and_action_types.each do |model, actions|
        actions = actions.map { |a| a[1] }.sort
        actions = actions.group_by { |v| v }
        puts
        puts "#{model} changes:"
        actions.each do |type, actions|
          puts " * #{type}: #{actions.length}"
        end
      end

      puts
      puts "Would you like to execute?"
      if confirm
        sync_workflow.update_block = Proc.new do |action|
          puts "Executing #{action.action_name} on #{Etna::Clients::Magma::ModelSynchronizationWorkflow.models_affected_by(action)}..."
        end

        sync_workflow.execute_planned!
        File.unlink(file)
      end

      return
    end

    # Poll for updates
    puts "Watching for changes to #{file}..."
    while File.stat(file).mtime == @last_load
      sleep(1)
    end

    load_models_from_csv(file)
  end
end

#load_models_from_csv(file) ⇒ Object

# File 'lib/commands.rb', line 224

def load_models_from_csv(file)
  reset

  @last_load = File.stat(file).mtime
  @changeset = File.open(file, 'r') do |f|
    workflow.prepare_changeset_from_csv(io: f) do |err|
      @errors << err
    end
  end

  return if @errors.empty?

  puts "Input file #{file} is invalid:"
  @errors.each do |err|
    puts "  * " + err.gsub("\n", "\n\t")
  end
end

#reset ⇒ Object

# File 'lib/commands.rb', line 218

def reset
  @errors = []
  @changeset = nil
  @last_load = Time.at(0)
end

#workflow ⇒ Object

# File 'lib/commands.rb', line 214

def workflow
  @workflow ||= Etna::Clients::Magma::AddProjectModelsWorkflow.new(magma_client: magma_client)
end