Class: ClientperfMigrations

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

Constant Summary collapse

MIGRATION_NAMES = 
%w(add_clientperf_tables add_clientperf_indexes)
MIGRATION_CONTENTS = 
{
  :add_clientperf_tables => %(
class AddClientperfTables < ActiveRecord::Migration
def self.up
  create_table :clientperf_uris do |t|
    t.string :uri
    t.timestamps 
  end

  create_table :clientperf_results do |t|
    t.integer :clientperf_uri_id
    t.integer :milliseconds
    t.timestamps 
  end
end

def self.down
  drop_table :clientperf_uris
  drop_table :clientperf_results
end
end),
  :add_clientperf_indexes => %(
class AddClientperfIndexes < ActiveRecord::Migration
def self.up
  add_index :clientperf_uris, :uri
  add_index :clientperf_results, :clientperf_uri_id
end

def self.down
  remove_index :clientperf_uris, :uri
  remove_index :clientperf_results, :clientperf_uri_id
end
end)
}

Class Method Summary collapse

Class Method Details

.generate(migration_name) ⇒ Object 



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

def generate(migration_name)
  Rails::Generator::Scripts::Generate.new.run(['migration', migration_name])
end

.install(migration) ⇒ Object 



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# File 'lib/clientperf_migrations.rb', line 56

def install(migration)
  File.open(migration_path(migration), 'w') do |file|
    file << MIGRATION_CONTENTS[migration.to_sym]
  end
end

.install_new ⇒ Object 



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

def install_new
  to_migrate = MIGRATION_NAMES.reject {|name| exists?(name) }
  to_migrate.each do |migration|
    generate(migration)
    install(migration)
  end
end

.migration_path(migration_name) ⇒ Object Also known as: exists? 



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# File 'lib/clientperf_migrations.rb', line 51

def migration_path(migration_name)
  Dir[File.join(RAILS_ROOT, 'db', 'migrate', "*_#{migration_name}.rb")].first
end