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NAME

    Dancer2::Session::DBIC - DBIx::Class session engine for Dancer2

VERSION

    0.120

DESCRIPTION

    This module implements a session engine for Dancer2 by serializing the
    session, and storing it in a database via DBIx::Class.

    JSON was chosen as the default serialization format, as it is fast,
    terse, and portable.

SYNOPSIS

    Example configuration:

        session: "DBIC"
        engines:
          session:
            DBIC:
              dsn:      "DBI:mysql:database=testing;host=127.0.0.1;port=3306" # DBI Data Source Name
              schema_class:    "Interchange6::Schema"  # DBIx::Class schema
              user:     "user"      # Username used to connect to the database
              password: "password"  # Password to connect to the database
              resultset: "MySession" # DBIx::Class resultset, defaults to Session
              id_column: "my_session_id" # defaults to sessions_id
              data_column: "my_session_data" # defaults to session_data
              serializer: "YAML"    # defaults to JSON

    Or if you are already using Dancer2::Plugin::DBIC and want to use its
    existing configuration for a database section named 'default' with all
    else set to default in this module then you could simply use:

        session: "DBIC"
        engines:
          session:
            DBIC:
              db_connection_name: default

SESSION EXPIRATION

    A timestamp field that updates when a session is updated is
    recommended, so you can expire sessions server-side as well as
    client-side.

    This session engine will not automagically remove expired sessions on
    the server, but with a timestamp field as above, you should be able to
    to do this manually.

ATTRIBUTES

 schema_class

    DBIx::Class schema class, e.g. Interchange6::Schema.

 db_connection_name

    The Dancer2::Plugin::DBIC database connection name.

    If this option is provided then "schema_class", "dsn", "user" and
    "password" are all ignored.

 resultset

    DBIx::Class resultset, defaults to Session.

 id_column

    Column for session id, defaults to sessions_id.

    If this column is not the primary key of the table, it should have a
    unique constraint added to it. See "add_unique_constraint" in
    DBIx::Class::ResultSource.

 data_column

    Column for session data, defaults to session_data.

 dsn

    DBI dsn to connect to the database.

 user

    Database username.

 password

    Database password.

 schema

    DBIx::Class schema.

 serializer

    Serializer to use, defaults to JSON.

    Dancer2::Session::DBIC provides the following serializer classes:

    JSON - Dancer2::Session::DBIC::Serializer::JSON

    Sereal - Dancer2::Session::DBIC::Serializer::Sereal

    YAML - Dancer2::Session::DBIC::Serializer::YAML

    If you do not use the default JSON serializer then you might need to
    install additional modules - see the specific serializer class for
    details.

    You can also use your own serializer class by passing the
    fully-qualified class name as argument to this option, e.g.:
    MyApp::Session::Serializer

 serializer_object

    Vivified "serializer" object.

 serialize_options

    Options to be passed to the constructor of the serializer class as a
    hash reference.

 deserialize_options

    Options to be passed to the constructor of the deserializer class as a
    hash reference.

METHODS

 _flush

    Write the session to the database. Returns the session object.

 _retrieve($id)

    Look for a session with the given id.

    Returns the session object if found, undef if not. Dies if the session
    was found, but could not be deserialized.

 _change_id( $old_id, $new_id )

    Change ID of session with $old_id to <$new_id>.

 _destroy()

    Remove the current session object from the database.

SEE ALSO

    Dancer2, Dancer2::Session

AUTHOR

    Stefan Hornburg (Racke) <[email protected]>

ACKNOWLEDGEMENTS

    Based on code from Dancer::Session::DBI written by James Aitken and
    code from Dancer::Plugin::DBIC written by Naveed Massjouni.

    Peter Mottram, support for JSON, YAML, Sereal and custom serializers,
    GH #8, #9, #11, #12. Also for adding _change_id method and accompanying
    tests.

    Rory Zweistra, GH #9.

    Andy Jack, GH #2.

COPYRIGHT AND LICENSE

    This software is copyright (c) Stefan Hornburg.

    This is free software; you can redistribute it and/or modify it under
    the same terms as the Perl 5 programming language system itself.

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DBIx::Class based session engine for Dancer2

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