Module: ArchiveMigration

Extended by:
ArchiveMigration
Included in:
ArchiveMigration
Defined in:
lib/archive_migration.rb,
lib/archive_migration/version.rb

Constant Summary collapse

VERSION = 
"0.1.0"

Instance Method Summary collapse

Instance Method Details

#archive ⇒ Object 



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# File 'lib/archive_migration.rb', line 24

def archive
  tell(:creating_archive_folder)
  FileUtils::mkdir_p './db/archive'

  tell(:moving_files)
  version_list = archive_by_year

  tell(:generating_migration)
  data = IO.read('./db/schema.rb')
  File.write("./db/migrate/#{version_list.max}_from_previous_version.rb", "class FromPreviousVersion < ActiveRecord::Migration\n\tdef change\n" + data[data.index('do')+3..data.rindex('end')-1] + "\tend\nend\n")

  delete_by_version_list(version_list) if ask(:delete_from_schema_table)
  create_version_list(version_list)
end

#archive_by_year ⇒ Object 



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# File 'lib/archive_migration.rb', line 64

def archive_by_year
  dir = './db/migrate'
  files = Dir.foreach(dir).select { |x| File.file?("#{dir}/#{x}") && !x.include?("from_previous_version") }
  version_list = []
  files.each do |file|
    version_list << file.split('_').first
  end

  years = get_years(version_list)
  years.each do |year|
    FileUtils::mkdir_p "./db/archive/#{year}"
  end

  Dir.glob('./db/migrate/*.rb').each do |file|
    file_version = file.split('/').last.split('_').first
    if file.split('/').last.include?("from_previous_version")
      FileUtils.rm file
    else
      FileUtils.mv file, "./db/archive/#{file_version[0..3]}"
    end
  end

  return version_list
end

#create_version_list(version_list) ⇒ Object 



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# File 'lib/archive_migration.rb', line 39

def create_version_list(version_list)
  version_list_file = File.open("./db/archive/version_list.txt", "a")
  version_list.sort.each do |version|
    line = version + ','
    version_list_file.write(line)
  end
end

#delete_by_version_list(version_list) ⇒ Object 



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# File 'lib/archive_migration.rb', line 47

def delete_by_version_list(version_list)
  dir = './db/archive/version_list.txt'
  if version_list.any?
    deleting_list = version_list.clone
    if File.exist?(dir)
      list = IO.read(dir)
      deleting_list << list.split(/[\s,']/).max
    end
    delete_from_schema_table(deleting_list)
  else
    if File.exist?(dir)
      list = IO.read(dir)
      delete_from_schema_table(list.split(/[\s,']/))
    end
  end
end

#recover ⇒ Object 



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# File 'lib/archive_migration.rb', line 89

def recover
  dir = './db/archive/version_list.txt'
  if File.exist?(dir)
    list = IO.read(dir)
    insert_into_schema_table(list.split(/[\s,']/))
  end
end

#run_all_migrations ⇒ Object 



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# File 'lib/archive_migration.rb', line 103

def run_all_migrations
  tell(:running_migrations)
  system('bundle exec rake db:migrate')
end

#start ⇒ Object 



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# File 'lib/archive_migration.rb', line 13

def start
  if ask(:have_run_all_migrations)
    archive
  else
    if ask(:run_all_migrations)
      run_all_migrations
      archive
    end
  end
end

#tell(key, options = {}) ⇒ Object 



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# File 'lib/archive_migration.rb', line 97

def tell(key, options = {})
  message = messages.fetch(key.to_s)
  message = colorize(message)
  print(message, options)
end