Class: JewelSeed::MigrationProxy

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_name) ⇒ MigrationProxy

Returns a new instance of MigrationProxy.



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# File 'lib/jewel_seed/migration_proxy.rb', line 5

def initialize(file_name)
  @file_name = file_name
  version, name = @file_name.scan(/([0-9]+)_([_a-z0-9]*)\.rb/).first
  @version = version.to_i
  @name = name.camelize
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/jewel_seed/migration_proxy.rb', line 3

def name
  @name
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/jewel_seed/migration_proxy.rb', line 3

def version
  @version
end

Instance Method Details

#down ⇒ Object 



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# File 'lib/jewel_seed/migration_proxy.rb', line 22

def down
  migration.down

  seed_migration = SeedMigration.find_by(version: version)
  seed_migration.destroy
end

#load_migration ⇒ Object 



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# File 'lib/jewel_seed/migration_proxy.rb', line 37

def load_migration
  require(File.expand_path(@file_name))
  migration_class.new
end

#migration ⇒ Object 



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# File 'lib/jewel_seed/migration_proxy.rb', line 33

def migration
  @migration ||= load_migration
end

#migration_class ⇒ Object 



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# File 'lib/jewel_seed/migration_proxy.rb', line 29

def migration_class
  name.constantize
end

#up ⇒ Object 



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# File 'lib/jewel_seed/migration_proxy.rb', line 12

def up
  migration.up

  seed_migration = SeedMigration.create!(version: version)
  seed_migration_tables = migration.table_names.map do |t|
    SeedMigrationTable.new(seed_migration: seed_migration, table_name: t)
  end
  SeedMigrationTable.import(seed_migration_tables)
end