Class: GdshowsdatabaseUpgradeGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Includes:
Rails::Generators::Migration
Defined in:
lib/gdshowsdb/generators/gdshowsdatabase_upgrade_generator.rb

Constant Summary collapse

@@migrations_dir = 
File.expand_path('../../templates', __FILE__)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.next_migration_number(path) ⇒ Object 



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# File 'lib/gdshowsdb/generators/gdshowsdatabase_upgrade_generator.rb', line 9

def self.next_migration_number(path)
  Time.now.utc.strftime("%Y%m%d%H%M%S")
end

Instance Method Details

#create_update_migration_file ⇒ Object 



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# File 'lib/gdshowsdb/generators/gdshowsdatabase_upgrade_generator.rb', line 13

def create_update_migration_file
  song_ref_diff = Gdshowsdb::SongRefDiff.new
  @added_song_refs = song_ref_diff.added
  @updated_song_refs = song_ref_diff.updated
  @removed_song_refs = song_ref_diff.removed

  @added_shows = []
  @updated_shows = []
  @removed_shows = []
  @added_sets = []
  @updated_sets = []
  @removed_sets = []
  @added_songs = []
  @updated_songs = []
  @removed_songs = []
  (1965..1995).each do |year|
    show_diff = Gdshowsdb::ShowDiff.new(year)
    @added_shows.concat(show_diff.added)
    @updated_shows.concat(show_diff.updated)
    @removed_shows.concat(show_diff.removed)

    set_diff = Gdshowsdb::SetDiff.new(year)
    @added_sets.concat(set_diff.added)
    @updated_sets.concat(set_diff.updated)
    @removed_sets.concat(set_diff.removed)      

    song_diff = Gdshowsdb::SongDiff.new(year)
    @added_songs.concat(song_diff.added)
    @updated_songs.concat(song_diff.updated)
    @removed_songs.concat(song_diff.removed)      
  end

  file = @@migrations_dir + "/update_migration.rb.erb"
  migration_template(file, "db/migrate/update_gdshowsdb_data.rb")
end