Class: Hanami::Model::Migrator::Connection Private

Inherits:
Object
  • Object
show all
Defined in:
lib/hanami/model/migrator/connection.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Sequel connection wrapper

Normalize external adapters interfaces

Since:

  • 0.5.0

Instance Method Summary collapse

Constructor Details

#initialize(configuration) ⇒ Connection

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Connection.

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 15

def initialize(configuration)
  @configuration = configuration
end

Instance Method Details

#database ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns DB name from conenction

Even when adapter doesn’t provide it explicitly it tries to parse

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 58

def database
  @database ||= parsed_uri.path[1..-1]
end

#database_type ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns DB type

Examples:

connection.database_type
  # => 'postgres'

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 70

def database_type
  case uri
  when /sqlite/
    :sqlite
  when /postgres/
    :postgres
  when /mysql/
    :mysql
  end
end

#global_uri ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns DB connection wihout specifying database name

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 113

def global_uri
  uri.sub(parsed_uri.select(:path).first, '')
end

#host ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns DB connection host

Even when adapter doesn’t provide it explicitly it tries to parse

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 38

def host
  @host ||= parsed_uri.host || parsed_opt('host')
end

#jdbc? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a boolean telling if a DB connection is from JDBC or not

Returns:

  • (Boolean)

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 121

def jdbc?
  !uri.scan('jdbc:').empty?
end

#parsed_uri ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns database connection URI instance without JDBC namespace

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 129

def parsed_uri
  @parsed_uri ||= URI.parse(uri.sub('jdbc:', ''))
end

#password ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns user from DB connection

Even when adapter doesn’t provide it explicitly it tries to parse

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 97

def password
  @password ||= parsed_opt('password') || parsed_uri.password
end

#port ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns DB connection port

Even when adapter doesn’t provide it explicitly it tries to parse

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 48

def port
  @port ||= parsed_uri.port || parsed_opt('port').to_i.nonzero?
end

#raw ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Since:

  • 0.7.0



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# File 'lib/hanami/model/migrator/connection.rb', line 21

def raw
  @raw ||= begin
             Sequel.connect(
               configuration.url,
               loggers: [configuration.migrations_logger]
             )
           rescue Sequel::AdapterNotFound
             raise MigrationError.new("Current adapter (#{configuration.adapter.type}) doesn't support SQL database operations.")
           end
end

#schema ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 134

def schema
  configuration.schema
end

#table(name) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Return the database table for the given name

Since:

  • 0.7.0



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# File 'lib/hanami/model/migrator/connection.rb', line 142

def table(name)
  raw[name] if raw.tables.include?(name)
end

#uri ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns DB connection URI directly from adapter

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 105

def uri
  @configuration.url
end

#user ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns user from DB connection

Even when adapter doesn’t provide it explicitly it tries to parse

Since:

  • 0.5.0



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# File 'lib/hanami/model/migrator/connection.rb', line 87

def user
  @user ||= parsed_opt('user') || parsed_uri.user
end