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 => '/',
);

has 'title' => (
        is => 'rw',
        isa => 'Str',
        lazy => 1,
        default => sub {
                my ($self) = @_;
                ref($self);
        },
);

=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>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
                '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
                ( $a->{head} || '' ),
                '</head><body>',
                ( $a->{body} || $self->markup || '<!-- 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	418	has 'title' => (
39			is => 'rw',
40			isa => 'Str',
41			lazy => 1,
42			default => sub {
43			my ($self) = @_;
44			ref($self);
45			},
46			);
47
48	dpavlin	206	=head2 inline_smaller_than
49
50			Inline JavaScript and CSS smaller than this size into page reducing
51			round-trips to server.
52
53			=cut
54
55	dpavlin	161	has 'inline_smaller_than' => (
56			is => 'rw',
57			isa => 'Int',
58			default => 10240,
59			);
60
61	dpavlin	100	sub dom2html {
62	dpavlin	106	# warn "## dom2html ",dump( @_ );
63	dpavlin	100	return Continuity::Widget::DomNode->create( @_ )->to_string;
64			}
65
66	dpavlin	161	sub _inline_path {
67			my ( $self, $path ) = @_;
68			-s $path < $self->inline_smaller_than;
69			}
70
71	dpavlin	156	sub _head_html {
72			my $self = shift;
73	dpavlin	121	my $out = '';
74	dpavlin	156	foreach my $path ( @{ $self->head } ) {
75	dpavlin	121	$path =~ s!^/!!;
76	dpavlin	156	if ( $path =~ m/\.js$/ ) {
77	dpavlin	161	$out .= $self->_inline_path( $path ) ?
78	dpavlin	163	qq\|<!-- $path --><script type="text/javascript">\n\| . read_file($path) . qq\|\n</script>\| :
79	dpavlin	161	qq\|<script type="text/javascript" src="/$path"></script>\|;
80	dpavlin	156	} elsif ( $path =~ m/\.css$/ ) {
81	dpavlin	161	$out .= $self->_inline_path( $path ) ?
82	dpavlin	163	qq\|<!-- $path --><style type="text/css">\n\| . read_file( $path ) . qq\|\n</style>\| :
83	dpavlin	161	qq\|<link type="text/css" rel="stylesheet" href="/$path" media="screen">\|;
84	dpavlin	156	} else {
85			confess "don't know how to render $path";
86			}
87	dpavlin	163	$out .= "\n";
88	dpavlin	121	}
89			return $out;
90			}
91	dpavlin	100
92	dpavlin	154	=head2 add_head
93
94			$o->add_head( 'path/to/external.js' );
95
96			my $size = $o->add_head( 'path/to/external.css' );
97
98			=cut
99
100			sub add_head {
101			my ( $self, $path ) = @_;
102			return if ! defined $path \|\| $path eq '';
103			$path =~ s!^/!!;
104
105			if ( -e $path ) {
106	dpavlin	156	if ( $path =~ m/\.(?:js\|css)$/ ) {
107			push @{ $self->head }, $path;
108	dpavlin	154	} else {
109			confess "can't add_head( $path ) it's not js or css";
110			}
111			} else {
112			confess "can't find $path: $!";
113			}
114
115			return -s $path;
116			}
117
118	dpavlin	142	our $reload_counter = 0;
119
120	dpavlin	183
121			=head2 page
122
123			$self->page(
124			title => 'page title',
125			head => '<!-- optional head markup -->',
126			body => '<b>Page Body</b>',
127			);
128
129			=cut
130
131	dpavlin	121	sub page {
132	dpavlin	100	my $self = shift;
133	dpavlin	121	my $a = {@_};
134	dpavlin	100
135	dpavlin	142	$reload_counter++;
136
137	dpavlin	388	my $status_line = '';
138			foreach my $part ( @{ $self->status } ) {
139	dpavlin	398	confess "part not hash ",dump( $part ) unless ref($part) eq 'HASH';
140	dpavlin	388	foreach my $name ( keys %$part ) {
141	dpavlin	392	my $content = $part->{$name};
142			if ( ref($content) ) {
143	dpavlin	397	$content = '<code>' . dump($content) . '</code>';
144			my $l = length($content);
145			$content = qq\|<span>$l bytes</span>\| if $l > 1024;
146	dpavlin	392	} else {
147			$content = qq\|<span>$content</span>\|;
148			}
149			warn "### part [$name] = ", length( $content ), " bytes" if $self->debug;
150	dpavlin	397	$status_line .= qq\|<span class="frey-popup">$name $content</span>\n\|;
151	dpavlin	388	}
152			}
153
154			my $html = join("\n",
155			qq\|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>\|,
156			$self->_head_html,
157	dpavlin	418	'<title>' . ( $self->title \|\| $a->{title} \|\| ref($self) ) . '</title>',
158	dpavlin	388	'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
159			( $a->{head} \|\| '' ),
160			'</head><body>',
161	dpavlin	418	( $a->{body} \|\| $self->markup \|\| '<!-- no body -->' ),
162	dpavlin	388	qq\|
163			<div class="frey-status-line">
164			<a href="/">Frey</a> $Frey::VERSION
165	dpavlin	392	<a href="?reload=$reload_counter"><code>\| . $self->request_url . qq\|</code></a>
166	dpavlin	388	$status_line
167	dpavlin	210	</div>
168			</body></html>
169	dpavlin	388	\|,
170			);
171	dpavlin	100
172	dpavlin	121	warn "## >>> page ",length($html), " bytes\n" if $self->debug;
173	dpavlin	100
174	dpavlin	121	return $html;
175	dpavlin	100	}
176
177	dpavlin	350	sub error {
178	dpavlin	397	my $self = shift;
179			my $error = join(" ", @_);
180	dpavlin	389	my ($package, $filename, $line) = caller;
181	dpavlin	398	$error .= " at $filename line $line" if $error !~ m{ at };
182	dpavlin	389	warn "WARN: $error\n";
183	dpavlin	407	$error =~ s{at\s+(\S+)\s+line\s+(\d+)}{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
184	dpavlin	417	$error =~ s{(via package ")([\w:]+)(")}{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
185	dpavlin	350	return qq\|<pre class="frey-error">$error</pre>\|;
186			}
187
188	dpavlin	100	1;