Class: Localtower::Generators::Migration

Inherits:
Object
  • Object
show all
Defined in:
lib/localtower/generators/migration.rb

Constant Summary collapse

TYPES = 
%w(string datetime text uuid integer float json jsonb decimal binary boolean array references).freeze
ACTIONS = 
[
  'add_column',
  'remove_column',
  'rename_column',
  'change_column_type',
  'add_index_to_column',
  'belongs_to',
  # 'add_index_to_column_combined',
  'remove_index_to_column',
  # 'create_table',
  'drop_table',
].freeze
DEFAULTS = 
[
  "true", "false", "nil"
]

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ Migration

Returns a new instance of Migration.



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# File 'lib/localtower/generators/migration.rb', line 148

def initialize(opts)
  @thor = ThorGeneratorMigration.new
  @opts = JSON[opts.to_json]
end

Instance Method Details

#last_migration_file ⇒ Object 



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# File 'lib/localtower/generators/migration.rb', line 204

def last_migration_file
  Dir["#{Rails.root}/db/migrate/*"].sort.last
end

#remove_all_migrations ⇒ Object 



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# File 'lib/localtower/generators/migration.rb', line 153

def remove_all_migrations
  Dir["#{Rails.root}/db/migrate/*"].each { |migration_file| File.delete(migration_file) }

  content_schema = """
ActiveRecord::Schema.define(version: 0) do
end
  """

  File.open("#{Rails.root}/db/schema.rb", "w") do |f|
    f.write(content_schema)
  end
end

#run ⇒ Object 



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# File 'lib/localtower/generators/migration.rb', line 166

def run
  cmd = "ChangeTheModel#{@opts['migration_name']}AtTime#{Time.now.to_i}"
  ::Localtower::Tools.perform_migration(cmd, true)

  @opts['migrations'].each do |action_line|
    next unless action_line['action'].present?

    # table_name = action_line['table_name']
    # column = action_line['column']
    # index = action_line['index']
    # default = action_line['default']
    # null = action_line['null']
    # unique = action_line['unique']
    # column_type = action_line['column_type']
    # new_column_type = action_line['new_column_type']
    # new_column_name = action_line['new_column_name']
    action_line["last_migration_file"] = last_migration_file

    {
      'add_column' => -> { add_column(action_line) },
      'remove_column' => -> { remove_column(action_line) },
      'rename_column' => -> { rename_column(action_line) },
      'change_column_type' => -> { change_column_type(action_line) },
      'add_index_to_column' => -> { add_index_to_column(action_line) },
      'belongs_to' => -> { belongs_to(action_line) },
      # 'add_index_to_column_combined' => -> { add_index_to_column_combined(action_line) },
      'remove_index_to_column' => -> { remove_index_to_column(action_line) },
      'create_table' => -> { create_table(action_line) },
      'drop_table' => -> { drop_table(action_line) }
      }[action_line['action'].downcase].call
  end

  if @opts['run_migrate']
    run_migration_or_nil
  end
end