Module: Mv::Core::Db::Helpers::ColumnValidators

Includes:
TableValidators
Included in:
Migration::Operations::AddColumn, Migration::Operations::ChangeColumn, Migration::Operations::RemoveColumn, Migration::Operations::RenameColumn
Defined in:
lib/mv/core/db/helpers/column_validators.rb

Instance Attribute Summary collapse

Attributes included from TableValidators

#table_name

Instance Method Summary collapse

Methods included from TableValidators

#delete_table_validators, #table_validators, #update_table_validators

Instance Attribute Details

#column_name ⇒ Object

Returns the value of attribute column_name.



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# File 'lib/mv/core/db/helpers/column_validators.rb', line 11

def column_name
  @column_name
end

Instance Method Details

#column_validators ⇒ Object 



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# File 'lib/mv/core/db/helpers/column_validators.rb', line 13

def column_validators
  table_validators.where(column_name: column_name)
end

#create_column_validator(validation_type, opts) ⇒ Object 



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# File 'lib/mv/core/db/helpers/column_validators.rb', line 17

def create_column_validator validation_type, opts
  raise_column_validation_error(validation_type, opts) if opts == false

  update_column_validator(validation_type, opts)
end

#delete_column_validator ⇒ Object 



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# File 'lib/mv/core/db/helpers/column_validators.rb', line 23

def delete_column_validator
  delete_validators(column_validators) > 0
end

#rename_column(new_column_name) ⇒ Object 



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# File 'lib/mv/core/db/helpers/column_validators.rb', line 35

def rename_column new_column_name
  column_validators.update_all(column_name: new_column_name)
end

#update_column_validator(validation_type, opts) ⇒ Object 



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# File 'lib/mv/core/db/helpers/column_validators.rb', line 27

def update_column_validator validation_type, opts
  return delete_validators(column_validators.where(validation_type: validation_type)) if opts == false

  column_validators.where(validation_type: validation_type).first_or_initialize.tap do |validator|
    validator.options = normalize_opts(validation_type, opts)
  end.save!
end