Class: MuleMigrations::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/mule_migrations/generator.rb

Class Method Summary collapse

Class Method Details

.get_new_migration_file(old_files, new_files) ⇒ Object 



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# File 'lib/mule_migrations/generator.rb', line 32

def self.get_new_migration_file(old_files, new_files)
  nf = []
  new_files.each do |f|
    if !old_files.include? f
      nf << f
    end
  end
  nf.count > 0 ? nf.first : nil
end

.migration(name, db, type, options = "") ⇒ Object 



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# File 'lib/mule_migrations/generator.rb', line 7

def self.migration(name, db, type, options="")
  generator_params = [name] + options.split(" ")

  migration_path = Rails.root.join(db, "db/migrate")

  old_files = Dir.glob(File.join(migration_path, "*"))

  Rails::Generators.invoke "active_record:migration", generator_params,
    :destination_root => Rails.root.join(db)
  new_files = Dir.glob(File.join(migration_path, "*"))

  new_migration_file = get_new_migration_file(old_files, new_files)

  if new_migration_file and type == 'sql'
    filename = File.basename(new_migration_file, ".rb")

    sql_scripts = create_sql_scripts(db, filename)

    #update migration file contents with sql execution code
    nmf = File.open(new_migration_file, "r") {|f| f.read}
    updated_nmf = inject_sql_execution_code_into_migration(nmf, filename, sql_scripts)
    File.open(new_migration_file, 'w') {|f| f.write(updated_nmf)}
  end
end