Jonathan Rockway's Catalyst: Accelerating Perl Web Application Development PDF

By Jonathan Rockway

ISBN-10: 1847190952

ISBN-13: 9781847190956

Layout, advance, try, and install functions with the open-source MVC Catalyst framework. This booklet is for internet builders with uncomplicated Perl abilities who're new to Catalyst. while you're inquisitive about Ruby on Rails yet would favor the positive factors of Rails with the familiarity of Perl, decide this booklet and start.

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We'll need to dig inside these schema files so that we can specify the relations. pm first. package AddressBook::Schema::AddressDB::People; use strict; use warnings; use base 'DBIx::Class'; __PACKAGE__->load_components("PK::Auto", "Core"); __PACKAGE__->table("people"); __PACKAGE__->add_columns( "id", { data_type => "INTEGER", is_nullable => 0, size => undef }, "firstname", { data_type => "VARCHAR", is_nullable => 0, size => 50 }, "lastname", { data_type => "VARCHAR", is_nullable => 0, size => 50 }, ); __PACKAGE__->set_primary_key("id"); 1; [ 34 ] Chapter 3 Everything is fairly understandable by default.

At this point, we have an address object (existing or newly-created) that we can use to populate the form. The rest of the action looks just like the one for adding or editing a person, except we have a few more fields this time. The address delete action also works exactly like the person deletion action, except we delete an address object instead of a person object. Since we already added code to list addresses to the /person/list template, we can restart the server, browse to that page (http://localhost:3000/person/list) and try adding some addresses.

The first form to add is the "edit name" form. fb file. render %] This is all we need to generate a form for adding a person or changing a person's name. '; } } [ 44 ] Chapter 3 We also need to inherit from Catalyst::Controller::FormBuilder at the top of the Controller file: use base qw(Catalyst::Controller::FormBuilder Catalyst::Controller:: BindLex); This new use base line will replace the existing line (which only loads BindLex). You can now start up the development server and navigate to http://localhost:3000/person/edit.

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Catalyst: Accelerating Perl Web Application Development by Jonathan Rockway


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