lib/Frey/Web.pm

package Frey::Web;
use Moose::Role;

#with 'Frey::Escape';

use Frey::Types;

use Continuity::Widget::DomNode;
use Data::Dump qw/dump/;
use Carp qw/confess/;
use File::Slurp;

use Frey::Bookmarklet;
use Frey::ClassBrowser;

has 'head' => (
        is => 'rw',
        isa => 'ArrayRef[Str]',
        default => sub { [ 'static/frey.css' ] },
);

has 'status' => (
        is => 'rw',
        isa => 'ArrayRef[HashRef[Str]]',
        lazy => 1,
        default => sub { [
                { 'Bookmarklets' => Frey::Bookmarklet->new->markup },
                { 'ClassBrowser' => Frey::ClassBrowser->new->markup },
        ] },
);

has 'request_url' => (
        is => 'rw',
        isa => 'Uri', coerce => 1,
        default => '/',
);

=head2 inline_smaller_than

Inline JavaScript and CSS smaller than this size into page reducing
round-trips to server.

=cut

has 'inline_smaller_than' => (
        is => 'rw',
        isa => 'Int',
        default => 10240,
);

sub dom2html {
#       warn "## dom2html ",dump( @_ );
        return Continuity::Widget::DomNode->create( @_ )->to_string;
}

sub _inline_path {
        my ( $self, $path ) = @_;
        -s $path < $self->inline_smaller_than;
}

sub _head_html {
        my $self = shift;
        my $out = '';
        foreach my $path ( @{ $self->head } ) {
                $path =~ s!^/!!;
                if ( $path =~ m/\.js$/ ) {
                        $out .= $self->_inline_path( $path ) ?
                                qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
                                qq|<script type="text/javascript" src="/$path"></script>|;
                } elsif ( $path =~ m/\.css$/ ) {
                        $out .= $self->_inline_path( $path ) ?
                                qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
                                qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
                } else {
                        confess "don't know how to render $path";
                }
                $out .= "\n";
        }
        return $out;
}

=head2 add_head

  $o->add_head( 'path/to/external.js' );

  my $size = $o->add_head( 'path/to/external.css' );

=cut

sub add_head {
        my ( $self, $path ) = @_;
        return if ! defined $path || $path eq '';
        $path =~ s!^/!!;

        if ( -e $path ) {
                if ( $path =~ m/\.(?:js|css)$/ ) {
                        push @{ $self->head }, $path;
                } else {
                        confess "can't add_head( $path ) it's not js or css";
                }
        } else {
                confess "can't find $path: $!";
        }

        return -s $path;
}

our $reload_counter = 0;


=head2 page

  $self->page(
        title => 'page title',
        head  => '<!-- optional head markup -->',
        body  => '<b>Page Body</b>',
  );

=cut

sub page {
        my $self = shift;
        my $a = {@_};

        $reload_counter++;

        my $status_line = '';
        foreach my $part ( @{ $self->status } ) {
                confess "part not hash ",dump( $part ) unless ref($part) eq 'HASH';
                foreach my $name ( keys %$part ) {
                        my $content = $part->{$name};
                        if ( ref($content) ) {
                                $content = '<code>' . dump($content) . '</code>';
                                my $l = length($content);
                                $content = qq|<span>$l bytes</span>| if $l > 1024;
                        } else {
                                $content = qq|<span>$content</span>|;
                        }
                        warn "### part [$name] = ", length( $content ), " bytes" if $self->debug;
                        $status_line .= qq|<span class="frey-popup">$name $content</span>\n|;
                }
        }

        my $html = join("\n",
                qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
                $self->_head_html,
                '<title>' . ( $a->{title} || ref($self) ) . '</title>',
                '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
                ( $a->{head} || '' ),
                '</head><body>',
                ( $a->{body} || '<!-- no body -->' ),
                qq|
                <div class="frey-status-line">
                        <a href="/">Frey</a> $Frey::VERSION
                        <a href="?reload=$reload_counter"><code>| . $self->request_url . qq|</code></a>
                        $status_line
                </div>
            </body></html>
                |,
        );

        warn "## >>> page ",length($html), " bytes\n" if $self->debug;

        return $html;
}

sub error {
        my $self = shift;
        my $error = join(" ", @_);
        my ($package, $filename, $line) = caller;
        $error .= " at $filename line $line" if $error !~ m{ at };
        warn "WARN: $error\n";
        $error =~ s{at\s+(\S+)\s+line\s+(\d+)}{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
        $error =~ s{(via package ")([\w:]+)(")}{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
        return qq|<pre class="frey-error">$error</pre>|;
}

1;
1	dpavlin	100	package Frey::Web;
2			use Moose::Role;
3
4	dpavlin	397	#with 'Frey::Escape';
5
6	dpavlin	388	use Frey::Types;
7
8	dpavlin	100	use Continuity::Widget::DomNode;
9			use Data::Dump qw/dump/;
10	dpavlin	389	use Carp qw/confess/;
11	dpavlin	161	use File::Slurp;
12	dpavlin	100
13	dpavlin	410	use Frey::Bookmarklet;
14			use Frey::ClassBrowser;
15
16	dpavlin	156	has 'head' => (
17	dpavlin	121	is => 'rw',
18			isa => 'ArrayRef[Str]',
19	dpavlin	160	default => sub { [ 'static/frey.css' ] },
20	dpavlin	121	);
21
22	dpavlin	388	has 'status' => (
23			is => 'rw',
24			isa => 'ArrayRef[HashRef[Str]]',
25			lazy => 1,
26			default => sub { [
27	dpavlin	410	{ 'Bookmarklets' => Frey::Bookmarklet->new->markup },
28			{ 'ClassBrowser' => Frey::ClassBrowser->new->markup },
29	dpavlin	388	] },
30			);
31
32	dpavlin	392	has 'request_url' => (
33	dpavlin	388	is => 'rw',
34			isa => 'Uri', coerce => 1,
35			default => '/',
36			);
37
38	dpavlin	206	=head2 inline_smaller_than
39
40			Inline JavaScript and CSS smaller than this size into page reducing
41			round-trips to server.
42
43			=cut
44
45	dpavlin	161	has 'inline_smaller_than' => (
46			is => 'rw',
47			isa => 'Int',
48			default => 10240,
49			);
50
51	dpavlin	100	sub dom2html {
52	dpavlin	106	# warn "## dom2html ",dump( @_ );
53	dpavlin	100	return Continuity::Widget::DomNode->create( @_ )->to_string;
54			}
55
56	dpavlin	161	sub _inline_path {
57			my ( $self, $path ) = @_;
58			-s $path < $self->inline_smaller_than;
59			}
60
61	dpavlin	156	sub _head_html {
62			my $self = shift;
63	dpavlin	121	my $out = '';
64	dpavlin	156	foreach my $path ( @{ $self->head } ) {
65	dpavlin	121	$path =~ s!^/!!;
66	dpavlin	156	if ( $path =~ m/\.js$/ ) {
67	dpavlin	161	$out .= $self->_inline_path( $path ) ?
68	dpavlin	163	qq\|<!-- $path --><script type="text/javascript">\n\| . read_file($path) . qq\|\n</script>\| :
69	dpavlin	161	qq\|<script type="text/javascript" src="/$path"></script>\|;
70	dpavlin	156	} elsif ( $path =~ m/\.css$/ ) {
71	dpavlin	161	$out .= $self->_inline_path( $path ) ?
72	dpavlin	163	qq\|<!-- $path --><style type="text/css">\n\| . read_file( $path ) . qq\|\n</style>\| :
73	dpavlin	161	qq\|<link type="text/css" rel="stylesheet" href="/$path" media="screen">\|;
74	dpavlin	156	} else {
75			confess "don't know how to render $path";
76			}
77	dpavlin	163	$out .= "\n";
78	dpavlin	121	}
79			return $out;
80			}
81	dpavlin	100
82	dpavlin	154	=head2 add_head
83
84			$o->add_head( 'path/to/external.js' );
85
86			my $size = $o->add_head( 'path/to/external.css' );
87
88			=cut
89
90			sub add_head {
91			my ( $self, $path ) = @_;
92			return if ! defined $path \|\| $path eq '';
93			$path =~ s!^/!!;
94
95			if ( -e $path ) {
96	dpavlin	156	if ( $path =~ m/\.(?:js\|css)$/ ) {
97			push @{ $self->head }, $path;
98	dpavlin	154	} else {
99			confess "can't add_head( $path ) it's not js or css";
100			}
101			} else {
102			confess "can't find $path: $!";
103			}
104
105			return -s $path;
106			}
107
108	dpavlin	142	our $reload_counter = 0;
109
110	dpavlin	183
111			=head2 page
112
113			$self->page(
114			title => 'page title',
115			head => '<!-- optional head markup -->',
116			body => '<b>Page Body</b>',
117			);
118
119			=cut
120
121	dpavlin	121	sub page {
122	dpavlin	100	my $self = shift;
123	dpavlin	121	my $a = {@_};
124	dpavlin	100
125	dpavlin	142	$reload_counter++;
126
127	dpavlin	388	my $status_line = '';
128			foreach my $part ( @{ $self->status } ) {
129	dpavlin	398	confess "part not hash ",dump( $part ) unless ref($part) eq 'HASH';
130	dpavlin	388	foreach my $name ( keys %$part ) {
131	dpavlin	392	my $content = $part->{$name};
132			if ( ref($content) ) {
133	dpavlin	397	$content = '<code>' . dump($content) . '</code>';
134			my $l = length($content);
135			$content = qq\|<span>$l bytes</span>\| if $l > 1024;
136	dpavlin	392	} else {
137			$content = qq\|<span>$content</span>\|;
138			}
139			warn "### part [$name] = ", length( $content ), " bytes" if $self->debug;
140	dpavlin	397	$status_line .= qq\|<span class="frey-popup">$name $content</span>\n\|;
141	dpavlin	388	}
142			}
143
144			my $html = join("\n",
145			qq\|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>\|,
146			$self->_head_html,
147			'<title>' . ( $a->{title} \|\| ref($self) ) . '</title>',
148			'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
149			( $a->{head} \|\| '' ),
150			'</head><body>',
151			( $a->{body} \|\| '<!-- no body -->' ),
152			qq\|
153			<div class="frey-status-line">
154			<a href="/">Frey</a> $Frey::VERSION
155	dpavlin	392	<a href="?reload=$reload_counter"><code>\| . $self->request_url . qq\|</code></a>
156	dpavlin	388	$status_line
157	dpavlin	210	</div>
158			</body></html>
159	dpavlin	388	\|,
160			);
161	dpavlin	100
162	dpavlin	121	warn "## >>> page ",length($html), " bytes\n" if $self->debug;
163	dpavlin	100
164	dpavlin	121	return $html;
165	dpavlin	100	}
166
167	dpavlin	350	sub error {
168	dpavlin	397	my $self = shift;
169			my $error = join(" ", @_);
170	dpavlin	389	my ($package, $filename, $line) = caller;
171	dpavlin	398	$error .= " at $filename line $line" if $error !~ m{ at };
172	dpavlin	389	warn "WARN: $error\n";
173	dpavlin	407	$error =~ s{at\s+(\S+)\s+line\s+(\d+)}{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
174	dpavlin	417	$error =~ s{(via package ")([\w:]+)(")}{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
175	dpavlin	350	return qq\|<pre class="frey-error">$error</pre>\|;
176			}
177
178	dpavlin	100	1;