lib/Frey/Web.pm

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

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( usage_on_top => 0 )->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">|;
                } elsif ( $path =~ m{<.+>}s ) {
                        $out .= $path;
                } 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' );

  $o->add_head( '<!-- html content -->' );

=cut

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

        if ( $path =~ m{<.*>}s ) {
                push @{ $self->head }, $path;
        } elsif ( -e $path ) {
                if ( $path =~ m/\.(?:js|css)$/ ) {
                        push @{ $self->head }, $path;
                } else {
                        confess "can't add_head( $path ) it's not js or css";
                }
                return -s $path;
        } else {
                confess "can't find $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 ( @{ $self->status } ) {
                if ( ref($part) ne 'HASH' ) {
                        warn "part not hash ",dump( $part ) ;
                        #$self->status( $part );
                        next;
                }
                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 $url = $self->request_url;
        $url =~ s{\?reload=\d+}{};

        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>$url</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	388	use Frey::Types;
5
6	dpavlin	100	use Continuity::Widget::DomNode;
7			use Data::Dump qw/dump/;
8	dpavlin	389	use Carp qw/confess/;
9	dpavlin	161	use File::Slurp;
10	dpavlin	100
11	dpavlin	410	use Frey::Bookmarklet;
12			use Frey::ClassBrowser;
13
14	dpavlin	156	has 'head' => (
15	dpavlin	121	is => 'rw',
16			isa => 'ArrayRef[Str]',
17	dpavlin	160	default => sub { [ 'static/frey.css' ] },
18	dpavlin	121	);
19
20	dpavlin	388	has 'status' => (
21			is => 'rw',
22			isa => 'ArrayRef[HashRef[Str]]',
23			lazy => 1,
24			default => sub { [
25	dpavlin	410	{ 'Bookmarklets' => Frey::Bookmarklet->new->markup },
26	dpavlin	434	{ 'ClassBrowser' => Frey::ClassBrowser->new( usage_on_top => 0 )->markup },
27	dpavlin	388	] },
28			);
29
30	dpavlin	392	has 'request_url' => (
31	dpavlin	388	is => 'rw',
32			isa => 'Uri', coerce => 1,
33			default => '/',
34			);
35
36	dpavlin	418	has 'title' => (
37			is => 'rw',
38			isa => 'Str',
39			lazy => 1,
40			default => sub {
41			my ($self) = @_;
42			ref($self);
43			},
44			);
45
46	dpavlin	206	=head2 inline_smaller_than
47
48			Inline JavaScript and CSS smaller than this size into page reducing
49			round-trips to server.
50
51			=cut
52
53	dpavlin	161	has 'inline_smaller_than' => (
54			is => 'rw',
55			isa => 'Int',
56			default => 10240,
57			);
58
59	dpavlin	100	sub dom2html {
60	dpavlin	106	# warn "## dom2html ",dump( @_ );
61	dpavlin	100	return Continuity::Widget::DomNode->create( @_ )->to_string;
62			}
63
64	dpavlin	161	sub _inline_path {
65			my ( $self, $path ) = @_;
66			-s $path < $self->inline_smaller_than;
67			}
68
69	dpavlin	156	sub _head_html {
70			my $self = shift;
71	dpavlin	121	my $out = '';
72	dpavlin	156	foreach my $path ( @{ $self->head } ) {
73	dpavlin	121	$path =~ s!^/!!;
74	dpavlin	156	if ( $path =~ m/\.js$/ ) {
75	dpavlin	161	$out .= $self->_inline_path( $path ) ?
76	dpavlin	163	qq\|<!-- $path --><script type="text/javascript">\n\| . read_file($path) . qq\|\n</script>\| :
77	dpavlin	161	qq\|<script type="text/javascript" src="/$path"></script>\|;
78	dpavlin	156	} elsif ( $path =~ m/\.css$/ ) {
79	dpavlin	161	$out .= $self->_inline_path( $path ) ?
80	dpavlin	163	qq\|<!-- $path --><style type="text/css">\n\| . read_file( $path ) . qq\|\n</style>\| :
81	dpavlin	161	qq\|<link type="text/css" rel="stylesheet" href="/$path" media="screen">\|;
82	dpavlin	446	} elsif ( $path =~ m{<.+>}s ) {
83	dpavlin	444	$out .= $path;
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	dpavlin	445	$o->add_head( '<!-- html content -->' );
99
100	dpavlin	154	=cut
101
102			sub add_head {
103			my ( $self, $path ) = @_;
104			return if ! defined $path \|\| $path eq '';
105			$path =~ s!^/!!;
106
107	dpavlin	446	if ( $path =~ m{<.*>}s ) {
108	dpavlin	444	push @{ $self->head }, $path;
109			} elsif ( -e $path ) {
110	dpavlin	156	if ( $path =~ m/\.(?:js\|css)$/ ) {
111			push @{ $self->head }, $path;
112	dpavlin	154	} else {
113			confess "can't add_head( $path ) it's not js or css";
114			}
115	dpavlin	444	return -s $path;
116	dpavlin	154	} else {
117			confess "can't find $path: $!";
118			}
119
120			}
121
122	dpavlin	142	our $reload_counter = 0;
123
124	dpavlin	183
125			=head2 page
126
127			$self->page(
128			title => 'page title',
129			head => '<!-- optional head markup -->',
130			body => '<b>Page Body</b>',
131			);
132
133			=cut
134
135	dpavlin	121	sub page {
136	dpavlin	100	my $self = shift;
137	dpavlin	121	my $a = {@_};
138	dpavlin	100
139	dpavlin	142	$reload_counter++;
140
141	dpavlin	388	my $status_line = '';
142			foreach my $part ( @{ $self->status } ) {
143	dpavlin	422	if ( ref($part) ne 'HASH' ) {
144			warn "part not hash ",dump( $part ) ;
145			#$self->status( $part );
146			next;
147			}
148	dpavlin	388	foreach my $name ( keys %$part ) {
149	dpavlin	392	my $content = $part->{$name};
150			if ( ref($content) ) {
151	dpavlin	397	$content = '<code>' . dump($content) . '</code>';
152			my $l = length($content);
153			$content = qq\|<span>$l bytes</span>\| if $l > 1024;
154	dpavlin	392	} else {
155			$content = qq\|<span>$content</span>\|;
156			}
157			warn "### part [$name] = ", length( $content ), " bytes" if $self->debug;
158	dpavlin	397	$status_line .= qq\|<span class="frey-popup">$name $content</span>\n\|;
159	dpavlin	388	}
160			}
161
162	dpavlin	439	my $url = $self->request_url;
163			$url =~ s{\?reload=\d+}{};
164
165	dpavlin	388	my $html = join("\n",
166			qq\|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>\|,
167			$self->_head_html,
168	dpavlin	418	'<title>' . ( $self->title \|\| $a->{title} \|\| ref($self) ) . '</title>',
169	dpavlin	388	'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
170			( $a->{head} \|\| '' ),
171			'</head><body>',
172	dpavlin	418	( $a->{body} \|\| $self->markup \|\| '<!-- no body -->' ),
173	dpavlin	388	qq\|
174			<div class="frey-status-line">
175			<a href="/">Frey</a> $Frey::VERSION
176	dpavlin	439	<a href="?reload=$reload_counter"><code>$url</code></a>
177	dpavlin	388	$status_line
178	dpavlin	210	</div>
179			</body></html>
180	dpavlin	388	\|,
181			);
182	dpavlin	100
183	dpavlin	121	warn "## >>> page ",length($html), " bytes\n" if $self->debug;
184	dpavlin	100
185	dpavlin	121	return $html;
186	dpavlin	100	}
187
188	dpavlin	350	sub error {
189	dpavlin	397	my $self = shift;
190			my $error = join(" ", @_);
191	dpavlin	389	my ($package, $filename, $line) = caller;
192	dpavlin	398	$error .= " at $filename line $line" if $error !~ m{ at };
193	dpavlin	389	warn "WARN: $error\n";
194	dpavlin	407	$error =~ s{at\s+(\S+)\s+line\s+(\d+)}{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
195	dpavlin	417	$error =~ s{(via package ")([\w:]+)(")}{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
196	dpavlin	350	return qq\|<pre class="frey-error">$error</pre>\|;
197			}
198
199	dpavlin	100	1;