perl/sct6

   1 #!/usr/bin/perl -w
   2 # $Id$
   3 # -*- perl -*- vim: ft=perl sw=4 sts=4
   4
   5 # Brief usage instructions:
   6 # Create a ~/.sct6rc that has SID=yourssn and PIN=yourpin
   7 # You'll need to change the url below if you go anywhere but TAMUK.
   8
   9 # Update: This tool now only outputs in XML.  For other formats, convert
  10 # with schedproc
  11
  12 use strict;
  13 use Date::Calc::Object qw(Day_of_Week Decode_Day_of_Week Decode_Month Week_of_Year Monday_of_Week Day_of_Week_Abbreviation Delta_Days Add_Delta_Days Nth_Weekday_of_Month_Year Gmtime Mktime);
  14 use Date::Calendar::Profiles qw($Profiles);
  15 use Date::Calendar::Year;
  16 use HTML::TableExtract;
  17 use LWP::UserAgent;
  18 use XML::Simple;
  19 use vars qw($ua %opts %faculty);
  20
  21 my ($response);
  22
  23 $opts{'holidays'} = { # %{$Profiles->{'US-TX'}},
  24     "Martin Luther King Day"    => "3/Mon/Jan",
  25     "Good Friday"               => "-2",
  26     "Spring Break Monday"       => \&Spring_Break,
  27     "Spring Break Tuesday"      => \&Spring_Break,
  28     "Spring Break Wednesday"    => \&Spring_Break,
  29     "Spring Break Thursday"     => \&Spring_Break,
  30     "Spring Break Friday"       => \&Spring_Break,
  31     "Spring Break Saturday"     => \&Spring_Break,
  32     "Study Day"                 => "4/Thu/Apr", # ?
  33     "Memorial Day"              => "5/Mon/May",
  34     "Independence Day"          => \&US_Independence,
  35     "Labor Day"                 => \&US_Labor,
  36     #"Columbus Day"              => "2/Mon/Oct",
  37     "Thanksgiving Day"          => "4/Thu/Nov",
  38     "Thanksgiving Friday"       => \&Thanksgiving_Friday,
  39 };
  40
  41 sub Spring_Break {
  42     my($year,$label) = @_;
  43     $label =~ s/^Spring Break //;
  44     return( Add_Delta_Days(
  45             Nth_Weekday_of_Month_Year($year,1,1,1),
  46             7*(11-1) # This is for the 11th Monday of the year
  47             +Decode_Day_of_Week($label)-1) );
  48 }
  49
  50 sub Thanksgiving_Friday {
  51     my($year,$label) = @_;
  52     return( Add_Delta_Days(Nth_Weekday_of_Month_Year($year,11,4,4), 1) );
  53 }
  54 sub US_Independence # Fourth of July
  55 {
  56     my($year,$label) = @_;
  57     return( &Date::Calendar::Profiles::Nearest_Workday($year,7,4) );
  58 }
  59 sub US_Labor # First Monday after the first Sunday in September
  60 {
  61     my($year,$label) = @_;
  62     return( Add_Delta_Days(
  63         Nth_Weekday_of_Month_Year($year,9,7,1), +1) );
  64 }
  65
  66 my $config = $ENV{HOME} . "/.sct6rc";
  67 if (($ARGV[0] || "") eq '-F') {
  68     shift;
  69     $config = shift;
  70 }
  71
  72 my $arg = "";
  73 $arg = shift if (defined($ARGV[0]) && $ARGV[0] =~ /^-\w$/);
  74
  75 if (-r $config) {
  76     open CONFIG, $config;
  77     while(<CONFIG>) {
  78         s/\#.*//;
  79         next unless m/^([^=]*)=(.*)/;
  80         $opts{$1}=$2;
  81     }
  82     close CONFIG;
  83 }
  84 my $domain = $opts{'domain'} || "as1.tamuk.edu:9003";
  85 my $url = "https://$domain/pls/PROD/";
  86 $url = $opts{'url'} if(defined($opts{'url'}));
  87
  88 $ua = LWP::UserAgent->new;
  89 $ua->timeout(10);
  90 $ua->env_proxy;
  91 $ua->cookie_jar( {} );
  92 $ua->get("${url}twbkwbis.P_WWWLogin") or die "$!";
  93 $response = $ua->post("${url}twbkwbis.P_ValLogin", { sid => $opts{SID}, PIN => $opts{PIN} }) or die "$!";
  94
  95 $response = $ua->get("${url}bwskflib.P_SelDefTerm"); # Valid terms
  96 die $response->status_line unless $response->is_success;
  97 my @terms = grep {s/^<option value="([^"]*)">.*/$1/i} (split( /\r?\n/, $response->content)); # "
  98 die "Site down. Try again later.\n" unless (@terms);
  99
 100 sub generate_id {
 101     my ($section, $number) = split("-", shift);
 102     my $id = 0;
 103     foreach (split //, $section) {$id=26*$id+(ord($_)-1)%32;}
 104     $id=10000*$id+$number;
 105     return $id;
 106 }
 107
 108 sub next_class {
 109     my %class = @_;
 110     $class{'duration'} =~ /(\d\d\d\d)(\d\d)(\d\d)-(\d\d\d\d)(\d\d)(\d\d)/;
 111     my $days = Delta_Days($1,$2,$3,$4,$5,$6);
 112     my $firstday = Date::Calc->new($1,$2,$3);
 113     my $lastday = Date::Calc->new($4,$5,$6);
 114     my $today = Date::Calc->new(Date::Calc->localtime(time+3600*6)->date);
 115     my @days=();
 116     foreach(split(" ",$class{'days'})) {
 117         push @days, Decode_Day_of_Week($_);
 118     }
 119     my @off = @{$class{'off'}};
 120     for($today = ($today > $firstday ? $today : $firstday); $today < $lastday; $today++) {
 121         next unless(grep($_ == Day_of_Week($today->date), @days));
 122         next if(grep($_ == $today, @off));
 123         return $today;
 124     }
 125     $today = Date::Calc->new(Date::Calc->gmtime->date);
 126     for($today = ($today < $lastday ? $today : $lastday); $today > $firstday; $today--) {
 127         next unless(grep($_ == Day_of_Week($today->date), @days));
 128         next if(grep($_ == $today, @off));
 129         return $today;
 130     }
 131     return undef;
 132 }
 133
 134 sub off_for_holidays {
 135     my %class = @_;
 136     my %days = (M => "Mon", T => "Tue", W => "Wed", R => "Thu", F => "Fri", S => "Sat", U => "SU");
 137     my $d = $class{'days'};
 138     $d =~ s/([MTWRFS])/ $days{$1}/g;
 139     $d =~ s/^ //;
 140     $class{'duration'} =~ /(\d\d\d\d)(\d\d)(\d\d)-(\d\d\d\d)(\d\d)(\d\d)/;
 141     my $days = Delta_Days($1,$2,$3,$4,$5,$6);
 142     my $firstday = Date::Calc->new($1,$2,$3);
 143     my $lastday = Date::Calc->new($4,$5,$6);
 144     my $year = Date::Calendar::Year->new($1, $opts{'holidays'});
 145     my @holidays=();
 146     my @days=();
 147     foreach(split(" ",$d)) {
 148         $days[Decode_Day_of_Week($_)] = 1;
 149     }
 150     foreach ($year->search("")) {
 151         my $good=1;
 152         #foreach my $x ($year->labels($_)) {
 153         #    $good=0 if ($x =~ /Veteran/ or $x =~ /President/);
 154         #}
 155         next unless ($year->is_full($_) && $_>=$firstday && $_<=$lastday);
 156         push @holidays, $_
 157             if (defined($days[Day_of_Week($_->date)]) && $good > 0);
 158     }
 159     return wantarray ? @holidays : "@holidays";
 160 }
 161
 162 sub off_for_exams {
 163     my %class = @_;
 164     my $time = $class{'begin'} . "-" . $class{'end'};
 165     $class{'duration'} =~ /\d{8}-(\d\d\d\d)(\d\d)(\d\d)/;
 166     my $lastday = Date::Calc->new($1,$2,$3);
 167     return wantarray ? () : undef unless (Day_of_Week($lastday->date) == 7);
 168     my $beginning="(08:00-09:15|11:00-12:15|14:00-15:15|17:00-18:15|17:30-18:45|20:00-21:15|20:30-21:45)";
 169     my $ending   ="(06:30-07:45|09:30-10:45|12:30-13:45|15:30-16:45|18:30-19:45|19:00-20:15)";
 170     my $days = join(" ",map {Decode_Day_of_Week($_)} split(/ /, $class{'days'}));
 171     if($days eq "1 3") {
 172         if($time =~ /$beginning/) {
 173             return $lastday-4;
 174         } elsif($time =~ /$ending/) {
 175             return $lastday-6;
 176         }
 177     } elsif($days eq "2 4") {
 178         if($time =~ /$beginning/) {
 179             return $lastday-3;
 180         } elsif($time =~ /$ending/) {
 181             return $lastday-5;
 182         }
 183     } elsif($days eq "5") {
 184         return $lastday-2;
 185     }
 186     return wantarray ? () : "";
 187 }
 188
 189 sub capitalize {
 190     local $_ = shift || "";
 191     s/ +$//;
 192     s/\b([A-Z])([A-Z]*)\b/$1\L$2/g;
 193     s/\b(I)(i*)\b/$1\U$2/g;
 194     s/\bUs\b/US/g;
 195     s/ (And|For|Of|Or|The|To|With) / \l$1 /g;
 196     s/\b(Mc)([a-z])/$1\u$2/g;
 197     s/\b(Tcp\/Ip|Pc|Tba)\b/\U$&/g;
 198     s/\bThru\b/Through/g;
 199     s/\bAcct\b/Accounting/g;
 200     s/\bAmer\b/American/g;
 201     s/\bChem\b/Chemistry/g;
 202     s/\bComp\b/Composition/g;
 203     s/\bFed\b/Federal/g;
 204     s/\bGen\b/General/g;
 205     s/\bIntro\b/Introduction/g;
 206     s/\bPrgm\b/Programming/g;
 207     s/\bOp Sys\b/Operating System/g;
 208     #s/\bGovt\b/Government/g;
 209     s/\bLit\b/Literature/g;
 210     s/\bPrin\b/Principles/g;
 211     s/\bBus\b/Business/g;
 212     s/\bSyst\b/Sys/g;
 213     return $_;
 214 }
 215
 216 sub get_schedule_terms {
 217     my (@sterms, @a);
 218     @a=('10','20','30','40');   # Fall, Spring, Summer I, Summer II
 219                                 # Last 3 are currently guesses
 220     my @localtime=localtime();
 221     if ($localtime[4]<3) { # Through Mar 31
 222         @sterms=((1900+$localtime[5]).$a[1]);
 223     } elsif ($localtime[4]<5) { # Through May 31
 224         @sterms=((1900+$localtime[5]).$a[1],(1900+$localtime[5]).$a[2]);
 225     } elsif ($localtime[4]<7) { # through July 31
 226         @sterms=((1900+$localtime[5]).$a[2],(1900+$localtime[5]).$a[3]);
 227     } elsif ($localtime[4]<8) { # through Aug 31
 228         @sterms=((1900+$localtime[5]).$a[3],(1901+$localtime[5]).$a[0]);
 229     } elsif ($localtime[4]<10) { # through Oct 31
 230         @sterms=((1901+$localtime[5]).$a[0]);
 231     } else {
 232         @sterms=((1901+$localtime[5]).$a[0],(1901+$localtime[5]).$a[1]);
 233     }
 234     return @sterms;
 235 }
 236
 237 sub get_schedule {
 238     my @readheaders = ("Type", "Time", "Days", "Where", "Date Range", "Schedule Type", "Instructors");
 239     my @class;
 240     my $te = new HTML::TableExtract( headers => [ @readheaders ] );
 241     my (@schedule, @terms, $classid, $title, $begin, $end, $times, $days, $session);
 242     @terms = get_schedule_terms();
 243     foreach (@_ ? @_ : @terms) {
 244         $response = $ua->get("${url}bwskfshd.P_CrseSchdDetl?term_in=$_" );
 245         die $response->status_line unless $response->is_success;
 246         $te->parse($response->content);
 247         foreach my $l (split (/\n/, $response->content)) {
 248             next unless $l =~ s/.*<CAPTION class=[^>]*>(.* - .... \d\d\d\d \d\d\d)<\/caption>.*/$1/i;
 249             push @class, $l;
 250         }
 251     }
 252     foreach my $ts ($te->table_states) {
 253         foreach my $row ($ts->rows) {
 254             #map { s/\xa0//g; $_} @$row;
 255             #$row->[0] =~ s/.*launchWebCT\("([^"]*)"\).*/$1/s;
 256             #$row->[0] =~ s/(.*) ?<[Bb][Rr][^>]*>(.*)/capitalize($2)/eg;
 257             $classid = (shift @class);
 258             $title = $classid;
 259             $classid =~ s/.* - //;
 260             $classid =~ s/ /-/g;
 261             $title =~ s/ - .*//;
 262             $row->[6] =~ s/\b([A-Z]r?)$/$1./;
 263             $row->[6] = capitalize($row->[6]);
 264             $row->[6] =~ s/ *\([A-Z]\)//;
 265             $row->[1] =~ s/ ?([ap])m/\u$1M/g;
 266             $row->[1] =~ s/ - /-/;
 267             ($begin, $end) = split(/ ?- ?/, $row->[1]);
 268             $begin =~ s/^(\d):/0$1:/;
 269             $end =~ s/^(\d):/0$1:/;
 270             if (($begin=~/PM$/ && $begin!~/^12/)||($begin=~/^12:..AM/)) {
 271                 $begin =~ s/^(\d?\d)/($1+12)%24/e;
 272             }
 273             if (($end=~/PM$/ && $end!~/^12/)||($end=~/^12:..AM/)) {
 274                 $end =~ s/^(\d?\d)/($1+12)%24/e;
 275             }
 276             $begin =~ s/ ?[AP]M//;
 277             $end =~ s/ ?[AP]M//;
 278             $row->[4] =~ s/([A-Za-z]{3,9})/(Decode_Month($1)<10?"0":"").Decode_Month($1)/eg;
 279             $row->[4] =~ s/(\d\d?) (\d\d), (\d\d\d\d)/$3$1$2/g;
 280             $row->[4] =~ s/ - /-/;
 281             $row->[3] =~ s/(ON|MAIN) CAMPUS\n|Palo Alto Building \d* //ig;
 282             $row->[3] =~ s/\n/ /g;
 283             my %class = (
 284                 id => $classid,
 285                 title => capitalize($title),
 286                 instructor => $row->[6],
 287                 days => $row->[2],
 288                 #'time' => $row->[1],
 289                 begin => $begin,
 290                 end => $end || undef,
 291                 duration => $row->[4],
 292                 location => $row->[3],
 293             );
 294             my @off = ( map { "$_"; } (off_for_holidays(%class), off_for_exams(%class)));
 295             $class{'off'} = [ @off ] if (@off);
 296             push @schedule, \%class;
 297         }
 298     }
 299     return @schedule;
 300 }
 301
 302 sub get_faculty_email {
 303     my ($name, $school, $email);
 304     if((-f $ENV{'HOME'} . "/public_html/faculty.csv") && ! %faculty) {
 305         open INS, $ENV{'HOME'} . "/public_html/faculty.csv";
 306         while($_ = <INS>) {
 307             chomp;
 308             m/"([^"]*)",([^,]*),([^,]*)/; # "
 309             ($name, $email, $school) = ($1, $2, $3);
 310             #$name =~ s/^([^,]*), ([^,]*)(.*)$/$2 $1$3/;
 311             $name =~ s/ [A-Z]\.//g;
 312             $name = lc $name;
 313             $name =~ s/\W//g;
 314             $faculty{$name} = $email;
 315         }
 316     }
 317     $name = shift;
 318     $name =~ s/ [A-Z]r?\.//g;
 319     $name = lc $name;
 320     $name =~ s/\W//g;
 321     return $faculty{$name};
 322 }
 323
 324 sub get_mhc_header {
 325 return (
 326 "X-SC-Subject: New Years Day\nX-SC-Category: Holiday\nX-SC-Cond: 1 Jan\nX-SC-Duration: 00010101-\nX-SC-Record-Id: <New_Years_Day\@from.sctweb>\n",
 327 "X-SC-Subject: Martin Luther King, Jr. Day\nX-SC-Category: Holiday\nX-SC-Cond: 3rd Mon Jan\nX-SC-Duration: 19870119-\nX-SC-Record-Id: <Martin_Luther_King_Jr_Day\@from.sctweb>\n",
 328 "X-SC-Subject: Presidents Day\nX-SC-Category: Holiday\nX-SC-Cond: 3rd Mon Feb\nX-SC-Duration: 19710515-\nX-SC-Record-Id: <Presidents_Day\@from.sctweb>\n",
 329 "X-SC-Subject: Memorial Day\nX-SC-Category: Holiday\nX-SC-Cond: Last Mon May\nX-SC-Duration: 19710531-\nX-SC-Record-Id: <Memorial_Day\@from.sctweb>\n",
 330 "X-SC-Subject: Independence Day\nX-SC-Category: Holiday\nX-SC-Cond: 4 Jul\nX-SC-Duration: 17760704-\nX-SC-Record-Id: <Independence_Day\@from.sctweb>\n",
 331 "X-SC-Subject: Labor Day\nX-SC-Category: Holiday\nX-SC-Cond: 1st Mon Sep\nX-SC-Duration: 18840901-\nX-SC-Record-Id: <Labor_Day\@from.sctweb>\n",
 332 "X-SC-Subject: Columbus Day\nX-SC-Category: Holiday\nX-SC-Cond: 2nd Mon Oct\nX-SC-Duration: 19711011-\nX-SC-Record-Id: <Columbus_Day\@from.sctweb>\n",
 333 "X-SC-Subject: Veterans Day\nX-SC-Category: Holiday\nX-SC-Cond: 11 Nov\nX-SC-Duration: 19261111-\nX-SC-Record-Id: <Veterans_Day\@from.sctweb>\n",
 334 "X-SC-Subject: Thanksgiving\nX-SC-Category: Holiday\nX-SC-Cond: 4th Thu Nov\nX-SC-Duration: 14921122-\nX-SC-Record-Id: <Thanksgiving\@from.sctweb>\n",
 335 "X-SC-Subject: Christmas\nX-SC-Category: Holiday\nX-SC-Cond: 25 Dec\nX-SC-Duration: 00011225-\nX-SC-Record-Id: <Christmas\@from.sctweb>\n",
 336 );
 337 }
 338
 339 sub do_xml_schedule {
 340     my $file = shift if (defined $_[0] and $_[0] !~ /^\d/);
 341     my $schedule = { class => [ get_schedule(@_) ] };
 342     my $xml = XMLout($schedule, NoAttr => 1, RootName => 'schedule');
 343     if($file) {
 344         open FH, ">$file";
 345         print FH $xml;
 346         close FH;
 347     } else {
 348         print $xml;
 349     }
 350 }
 351
 352 sub do_html_schedule {
 353     my @showheaders = ("Section ID/Title", "Instructor", "Days", "Time", "Duration", "Location");
 354     my $shade = "dark";
 355     my @schedule = get_schedule(@_);
 356     print '<table id="schedule" cellpadding="3" cellspacing="0">'."\n<tr><th>";
 357     print join("</th><th>",@showheaders);
 358     print "</th></tr>\n";
 359         foreach my $row (@schedule) {
 360             map { s/\n/<br \/>/g; $_} %$row;
 361             $row->{'duration'} =~ s/-/<br \/>/g;
 362             $row->{'duration'} =~ s/\d\d(\d\d)(\d\d)(\d\d)/$2-$3-$1/g;
 363             print '<tr class="'.$shade.'">';
 364             $shade = ($shade eq "dark"?"light":"dark");
 365             print '<td class="idtitle">';
 366             print '<span class="sectionid">' .$row->{'id'}. '</span><br />';
 367             print '<span class="coursetitle">' .$row->{'title'}. '</span></td>';
 368             my $instructor = $row->{'instructor'};
 369             #$instructor =~ s/^([^,]*), ([^,]*)(.*)/$2 $1$3/;
 370             my $email = get_faculty_email($instructor);
 371             #if($email) {
 372                 #print '<td><a href="mailto:' . $email . '">'
 373                 #. $row->{'instructor'} . "</a></td>";
 374             # } else {
 375                 print "<td>" . $row->{'instructor'} . "</td>";
 376             #}
 377             print "<td>" . $row->{'days'} . "</td>";
 378             print "<td>" . $row->{'begin'}."-<wbr />".$row->{'end'} . "</td>";
 379             print "<td>" . $row->{'duration'} . "</td>";
 380             print "<td>" . $row->{'location'} . "</td>";
 381             print "</tr>\n";
 382         }
 383     print "</table>\n";
 384 }
 385
 386 sub do_xml_grades {
 387     print "<grades>\n</grades>\n";
 388 }
 389
 390 sub do_transcripts {
 391     print "Not implemented.\n";
 392 }
 393
 394 if ($arg eq "-s" || $arg eq "-h") {
 395     do_html_schedule(@ARGV);
 396 } elsif ($arg eq "-m") {
 397     do_mhc_schedule(@ARGV);
 398 } elsif ($arg eq "-c") {
 399     do_csv_schedule(@ARGV);
 400 } elsif ($arg eq "-v") {
 401     do_vcalendar_schedule(@ARGV);
 402 } elsif ($arg eq "-g") {
 403     do_xml_grades(@ARGV);
 404 } elsif ($arg eq "-t") {
 405     do_transcripts;
 406 } elsif ($arg eq "-x" || 1) {
 407     do_xml_schedule(@ARGV);
 408 }
 409
 410 $ua->get("${url}twbkwbis.P_Logout"); # Logout