Annotation of mp3/bin/showplaylist.pl, Revision 1.2
1.1 andrew 1: #!/usr/bin/perl -w
1.2 ! andrew 2: # $RedRiver$
1.1 andrew 3: ########################################################################
4: # ShowPlaylist.pl *** Displays our current playlist on a web page
5: #
6: # 04-14-00
7: # Written by andrew fresh <andrew@mad-techies.org>
8: ########################################################################
9: use strict;
10: use diagnostics;
11:
12: #use MP3::Info;
13: #my qw/ $list @playlist $maplay $filename $basedir $htmldir $add /;
14:
15: my $args = shift;
16:
17: my ($listfile,$add);
18: if ($args) {
19: ($listfile,$add) = split /\\&/, $args;
20: }
21: $listfile ||= 'playlist.lst';
22:
23: my $list = '/var/www/mp3/playlist/' . $listfile;
24:
25: my $playlist = '/var/www/mp3/playlist/playlist.lst';
26:
27: my $exe = 'removemp3playlist.pl';
28: unless ($listfile eq 'playlist.lst') {
29: $exe = 'addmp3playlist.pl';
30: } else {
31: $add = undef;
32: }
33:
34: #######################################################################
35: # *** MAIN ***
36: #######################################################################
37:
38: my @playlist = get_playlist($list);
39:
40: print "Content-Type: text/html\n\n";
41: print "\n\n<html>\n<head>\n\t<meta HTTP-EQUIV='Pragma' CONTENT='no-cache'> <title>$listfile</title>\n";
42: print "<meta HTTP-EQUIV=\"REFRESH\" CONTENT=\"300\">\n";
43: print "<body>\n\n";
44:
45: use CGI::Carp qw/ fatalsToBrowser /;
46:
47: #Print_Nav();
48: #print "args: $args\n";
49: if ($listfile eq 'playlist.lst') {
50: print '<a href="deleteplaylist.pl">Delete Playlist</a>';
51: }
52:
53:
54:
55:
56: unless ($add) {
57: print "<h1>Currently in $listfile as of " . GetTime() . "</h1><hr>\n";
58: my $file = $0;
59: $file =~ s#^.*[//]##;
60: print "<a href='$file?$listfile\&ADD'>Add All</A><br>\n";
61: } else {
62: print "<h1>Added to playlist from $listfile as of " . GetTime() . "</h1><hr>\n";
63: }
64:
65:
66:
67: if (@playlist) {
68: my $counter;
69:
70: foreach my $filename (@playlist) {
71: if ($add) {
72: AddSong($filename);
73: } else {
74: print "\t<li><a href=\"$exe\?" . EncodeURL($filename) . "\" target=\"bottom\">$filename</a></li>\n";
75: }
76: $counter++;
77: }
78: print "<H3>Total displayed: $counter</h3>\n";
79: } else {
80: print "\t<li>Nothing in list</li>\n";
81: }
82: print "</UL>\n</body>\n</head>\n</html>\n";
83:
84:
85:
86:
87:
88:
89:
90:
91:
92:
93:
94:
95:
96:
97:
98:
99: #########################################################################
100: # GetTime
101: sub GetTime {
102: my $hours = shift;
103: my ($sec,$min,$hour,$mday,$mon,$year,,,) = localtime(); # 86400 seconds is one day
104:
105: if ($min < 10) { $min = "0$min"}
106: if ($sec < 10) { $sec = "0$sec"}
107: if ($hour < 10) { $hour = "0$hour"}
108: if ($mday < 10) { $mday = "0$mday"}
109: if ($mon < 10) { $mon = "0$mon"}
110:
111: my $time = ($year + 1900) . '-' . ++$mon . '-' . $mday . ' ' . $hour . ':' . $min . ':' . $sec;
112: return $time;
113: }
114: #########################################################################
115:
116:
117:
118:
119:
120: #######################################################################
121: # read in the Playlist
122: sub get_playlist {
123: my $FILE = shift;
124: my @lines;
125: if (-e $FILE) {
126: open (FILE, $FILE) || bail ("Couldn\'t open $FILE: $!");
127: chomp (@lines = <FILE>);
128: close (FILE) || bail ("Couldn't close $FILE: $!");
129: }
130: return @lines;
131: }
132:
133:
134:
135:
136: ########################################################################
137: # *** EncodeURL: %encodes the parameters of the URL
138: sub EncodeURL {
139: my $strURL = shift;
140: $strURL =~ s/(\W)/sprintf("%%%x", ord($1))/eg;
141: return $strURL;
142: }
143:
144:
145:
146:
147: #######################################################################
148: # Bail: this subrouting dies and displays the error to the browser.
149: # gotten from the example in the O'Reilly
150: # _Learning_Perl_on_Win32_Systems_
151: sub bail {
152: my $error = "@_";
153: print "Unexpected Error: $error";
154: exit;
155: }
156:
157:
158: sub Print_Nav
159: {
160: open FILE, 'nav.inc' or die "\n\ncouldn't open FILE nav.inc: $!";
161: while (<FILE>) {
162: print;
163: }
164: close FILE;
165: }
166: sub AddSong
167: {
168: my $filename = shift;
169: $filename =~ s/%(..)/pack("c",hex($1))/ge;
170:
171: if ($filename) {
172: open PLAYLIST, ">>$playlist" or bail("unable to open PLAYLIST: $!");
173: print PLAYLIST "$filename\n";
174: close PLAYLIST or bail("unable to close PLAYLIST: $!");
175: print "Added $filename<br>\n";
176: } else {
177: print "<h1>You need to pass a song</h1>";
178: }
179: }
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