Class: ExchangeRate::DatabaseConnection

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

Overview

Database connection management for ::ExchangeRate.

Class Method Summary collapse

Class Method Details

.apply_migrations(connection) ⇒ Object

Apply the schema definitions to the database.

Returns nothing



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# File 'lib/exchange_rate/database_connection.rb', line 32

def self.apply_migrations(connection)
  return if connection.nil?
  Sequel::Migrator.run(connection, 'lib/exchange_rate/db/migrate/')
end

.connection ⇒ Object

Establish a connection to the database, and ensure the schema is loaded. The connection is cached and kept open.

Returns nothing



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# File 'lib/exchange_rate/database_connection.rb', line 16

def self.connection
  database_url = ExchangeRate.configuration.datastore_url
  @connection ||= Sequel.connect(database_url).tap { |connection| apply_migrations(connection) }
end

.disconnect ⇒ Object

Closes any open connections to the database and removes the cached connection.



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# File 'lib/exchange_rate/database_connection.rb', line 23

def self.disconnect
  @connection&.disconnect
  @connection = nil
end