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 next_class {
 101     my %class = @_;
 102     $class{'duration'} =~ /(\d\d\d\d)(\d\d)(\d\d)-(\d\d\d\d)(\d\d)(\d\d)/;
 103     my $days = Delta_Days($1,$2,$3,$4,$5,$6);
 104     my $firstday = Date::Calc->new($1,$2,$3);
 105     my $lastday = Date::Calc->new($4,$5,$6);
 106     my $today = Date::Calc->new(Date::Calc->localtime(time+3600*6)->date);
 107     my @days=();
 108     foreach(split(" ",$class{'days'})) {
 109         push @days, Decode_Day_of_Week($_);
 110     }
 111     my @off = @{$class{'off'}};
 112     for($today = ($today > $firstday ? $today : $firstday); $today < $lastday; $today++) {
 113         next unless(grep($_ == Day_of_Week($today->date), @days));
 114         next if(grep($_ == $today, @off));
 115         return $today;
 116     }
 117     $today = Date::Calc->new(Date::Calc->gmtime->date);
 118     for($today = ($today < $lastday ? $today : $lastday); $today > $firstday; $today--) {
 119         next unless(grep($_ == Day_of_Week($today->date), @days));
 120         next if(grep($_ == $today, @off));
 121         return $today;
 122     }
 123     return undef;
 124 }
 125
 126 sub off_for_holidays {
 127     my %class = @_;
 128     my %days = (M => "Mon", T => "Tue", W => "Wed", R => "Thu", F => "Fri", S => "Sat", U => "SU");
 129     my $d = $class{'days'};
 130     $d =~ s/([MTWRFS])/ $days{$1}/g;
 131     $d =~ s/^ //;
 132     $class{'duration'} =~ /(\d\d\d\d)(\d\d)(\d\d)-(\d\d\d\d)(\d\d)(\d\d)/;
 133     my $days = Delta_Days($1,$2,$3,$4,$5,$6);
 134     my $firstday = Date::Calc->new($1,$2,$3);
 135     my $lastday = Date::Calc->new($4,$5,$6);
 136     my $year = Date::Calendar::Year->new($1, $opts{'holidays'});
 137     my @holidays=();
 138     my @days=();
 139     foreach(split(" ",$d)) {
 140         $days[Decode_Day_of_Week($_)] = 1;
 141     }
 142     foreach ($year->search("")) {
 143         my $good=1;
 144         #foreach my $x ($year->labels($_)) {
 145         #    $good=0 if ($x =~ /Veteran/ or $x =~ /President/);
 146         #}
 147         next unless ($year->is_full($_) && $_>=$firstday && $_<=$lastday);
 148         push @holidays, $_
 149             if (defined($days[Day_of_Week($_->date)]) && $good > 0);
 150     }
 151     return wantarray ? @holidays : "@holidays";
 152 }
 153
 154 sub off_for_exams {
 155     my %class = @_;
 156     my $time = $class{'begin'} . "-" . $class{'end'};
 157     $class{'duration'} =~ /\d{8}-(\d\d\d\d)(\d\d)(\d\d)/;
 158     my $lastday = Date::Calc->new($1,$2,$3);
 159     return wantarray ? () : undef unless (Day_of_Week($lastday->date) == 7);
 160     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)";
 161     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)";
 162     my $days = join(" ",map {Decode_Day_of_Week($_)} split(/ /, $class{'days'}));
 163     if($days eq "1 3") {
 164         if($time =~ /$beginning/) {
 165             return $lastday-4;
 166         } elsif($time =~ /$ending/) {
 167             return $lastday-6;
 168         }
 169     } elsif($days eq "2 4") {
 170         if($time =~ /$beginning/) {
 171             return $lastday-3;
 172         } elsif($time =~ /$ending/) {
 173             return $lastday-5;
 174         }
 175     } elsif($days eq "5") {
 176         return $lastday-2;
 177     }
 178     return wantarray ? () : "";
 179 }
 180
 181 sub capitalize {
 182     local $_ = shift || "";
 183     s/ +$//;
 184     s/\b([A-Z])([A-Z]*)\b/$1\L$2/g;
 185     s/\b(I)(i*)\b/$1\U$2/g;
 186     s/\bUs\b/US/g;
 187     s/ (And|For|Of|Or|The|To|With) / \l$1 /g;
 188     s/\b(Mc)([a-z])/$1\u$2/g;
 189     s/\b(Tcp\/Ip|Pc|Tba)\b/\U$&/g;
 190     s/\bThru\b/Through/g;
 191     s/\bAcct\b/Accounting/g;
 192     s/\bAmer\b/American/g;
 193     s/\bChem\b/Chemistry/g;
 194     s/\bComp\b/Composition/g;
 195     s/\bFed\b/Federal/g;
 196     s/\bGen\b/General/g;
 197     s/\bIntro\b/Introduction/g;
 198     s/\bPrgm\b/Programming/g;
 199     s/\bOp Sys\b/Operating System/g;
 200     #s/\bGovt\b/Government/g;
 201     s/\bLit\b/Literature/g;
 202     s/\bPrin\b/Principles/g;
 203     s/\bBus\b/Business/g;
 204     s/\bSyst\b/Sys/g;
 205     return $_;
 206 }
 207
 208 sub get_schedule_terms {
 209     my (@sterms, @a);
 210     @a=('10','20','30','40');   # Fall, Spring, Summer I, Summer II
 211                                 # Last 3 are currently guesses
 212     my @localtime=localtime();
 213     if ($localtime[4]<3) { # Through Mar 31
 214         @sterms=((1900+$localtime[5]).$a[1]);
 215     } elsif ($localtime[4]<5) { # Through May 31
 216         @sterms=((1900+$localtime[5]).$a[1],(1900+$localtime[5]).$a[2]);
 217     } elsif ($localtime[4]<7) { # through July 31
 218         @sterms=((1900+$localtime[5]).$a[2],(1900+$localtime[5]).$a[3]);
 219     } elsif ($localtime[4]<8) { # through Aug 31
 220         @sterms=((1900+$localtime[5]).$a[3],(1901+$localtime[5]).$a[0]);
 221     } elsif ($localtime[4]<10) { # through Oct 31
 222         @sterms=((1901+$localtime[5]).$a[0]);
 223     } else {
 224         @sterms=((1901+$localtime[5]).$a[0],(1901+$localtime[5]).$a[1]);
 225     }
 226     return @sterms;
 227 }
 228
 229 sub get_schedule {
 230     my @readheaders = ("Type", "Time", "Days", "Where", "Date Range", "Schedule Type", "Instructors");
 231     my @class;
 232     my $te = new HTML::TableExtract( headers => [ @readheaders ] );
 233     my (@schedule, @terms, $classid, $title, $begin, $end, $times, $days, $session);
 234     @terms = get_schedule_terms();
 235     foreach (@_ ? @_ : @terms) {
 236         $response = $ua->get("${url}bwskfshd.P_CrseSchdDetl?term_in=$_" );
 237         die $response->status_line unless $response->is_success;
 238         $te->parse($response->content);
 239         foreach my $l (split (/\n/, $response->content)) {
 240             next unless $l =~ s/.*<CAPTION class=[^>]*>(.* - .... \d\d\d\d \d\d\d)<\/caption>.*/$1/i;
 241             push @class, $l;
 242         }
 243     }
 244     foreach my $ts ($te->table_states) {
 245         foreach my $row ($ts->rows) {
 246             #map { s/\xa0//g; $_} @$row;
 247             #$row->[0] =~ s/.*launchWebCT\("([^"]*)"\).*/$1/s;
 248             #$row->[0] =~ s/(.*) ?<[Bb][Rr][^>]*>(.*)/capitalize($2)/eg;
 249             $classid = (shift @class);
 250             $title = $classid;
 251             $classid =~ s/.* - //;
 252             $classid =~ s/ /-/g;
 253             $title =~ s/ - .*//;
 254             $row->[6] =~ s/\b([A-Z]r?)$/$1./;
 255             $row->[6] = capitalize($row->[6]);
 256             $row->[6] =~ s/ *\([A-Z]\)//;
 257             $row->[1] =~ s/ ?([ap])m/\u$1M/g;
 258             $row->[1] =~ s/ - /-/;
 259             ($begin, $end) = split(/ ?- ?/, $row->[1]);
 260             $begin =~ s/^(\d):/0$1:/;
 261             $end =~ s/^(\d):/0$1:/;
 262             if (($begin=~/PM$/ && $begin!~/^12/)||($begin=~/^12:..AM/)) {
 263                 $begin =~ s/^(\d?\d)/($1+12)%24/e;
 264             }
 265             if (($end=~/PM$/ && $end!~/^12/)||($end=~/^12:..AM/)) {
 266                 $end =~ s/^(\d?\d)/($1+12)%24/e;
 267             }
 268             $begin =~ s/ ?[AP]M//;
 269             $end =~ s/ ?[AP]M//;
 270             $row->[4] =~ s/([A-Za-z]{3,9})/(Decode_Month($1)<10?"0":"").Decode_Month($1)/eg;
 271             $row->[4] =~ s/(\d\d?) (\d\d), (\d\d\d\d)/$3$1$2/g;
 272             $row->[4] =~ s/ - /-/;
 273             $row->[3] =~ s/(ON|MAIN) CAMPUS\n|Palo Alto Building \d* //ig;
 274             $row->[3] =~ s/\n/ /g;
 275             my %class = (
 276                 id => $classid,
 277                 title => capitalize($title),
 278                 instructor => $row->[6],
 279                 days => $row->[2],
 280                 #'time' => $row->[1],
 281                 begin => $begin,
 282                 end => $end || undef,
 283                 duration => $row->[4],
 284                 location => $row->[3],
 285             );
 286             my @off = ( map { "$_"; } (off_for_holidays(%class), off_for_exams(%class)));
 287             $class{'off'} = [ @off ] if (@off);
 288             push @schedule, \%class;
 289         }
 290     }
 291     return @schedule;
 292 }
 293
 294 sub do_xml_schedule {
 295     my $file = shift if (defined $_[0] and $_[0] !~ /^\d/);
 296     my $schedule = { class => [ get_schedule(@_) ] };
 297     my $xml = XMLout($schedule, NoAttr => 1, RootName => 'schedule');
 298     if($file) {
 299         open FH, ">$file";
 300         print FH $xml;
 301         close FH;
 302     } else {
 303         print $xml;
 304     }
 305 }
 306
 307 #sub do_xml_grades {
 308 #    print "<grades>\n</grades>\n";
 309 #}
 310
 311 sub do_xml_grades {
 312     #my @readheaders = ("Subject", "Course", "Section", "Course Title", "Final Grade", "Attempted", "Earned", "GPA Hours", "Quality Points");
 313     my @readheaders = ("Subject", "Course", "Section", "CTitle", "Final Grade", "Attempted", "Earned", "GPA Hours", "Quality Points");
 314     my ($row, $lastrow);
 315     my $te = new HTML::TableExtract( headers => [ @readheaders ] );
 316     my $response = $ua->get("$url/bwskogrd.P_ViewTermGrde"); # Valid grading terms
 317     die $response->status_line unless $response->is_success;
 318     #my @terms = reverse grep {s/^<option value="([^"]*)">.*/$1/} (split( /\r\n/, $response->content));
 319     my @grades = ();
 320     my @terms = ();
 321     my $year = Date::Calc->localtime->year;
 322     for(my $y=$year-3;$y<=$year+1;$y++) { push @terms, ($y.10,$y.20,$y.30,$y.40); }
 323     foreach(@_ ? @_ : @terms) {
 324         $response = $ua->get("$url/bwskogrd.P_ViewGrde?term_in=".($_) );
 325         die $response->status_line unless $response->is_success;
 326         my $content = $response->content;
 327         $content =~ s/Course Title/CTitle/g;
 328         $te->parse($content);
 329     }
 330     foreach my $ts ($te->table_states) {
 331         foreach my $row ($ts->rows) {
 332             map { s/^\s+//; s/\xa0|\r//g; s/\n/<br \/>/g; $_} @$row;
 333             $row->[3] = capitalize($row->[3]);
 334             $row->[3] =~ s/&/&amp;/g;
 335             #$row->[0] =~ s/Cumulative through/Cumulative: through/;
 336             #$row->[0] =~ s/Cumulative:(.*) (\d{4}) (.*)/Cumulative:$1 $3 $2/;
 337             $lastrow=$row;
 338             next if $row->[0] =~ /:|Current Term/;
 339             push @grades, {
 340                 id => $row->[0]."-".$row->[1]."-".$row->[2],
 341                 title => $row->[3],
 342                 grade => $row->[4],
 343                 attempted => $row->[5],
 344                 earned => $row->[6],
 345                 hours => $row->[7],
 346                 points => $row->[8]
 347             };
 348         }
 349     }
 350     $lastrow->[0] =~ s/Cumulative:? *through *//i;
 351     my $cumulative = { term => capitalize($lastrow->[0]),
 352                        gpa => $lastrow->[6],
 353                        earned => $lastrow->[3],
 354                        hours => $lastrow->[4],
 355                        points => $lastrow->[5]
 356                    };
 357     my $xml = XMLout({class => [@grades], cumulative => []}, NoAttr => 1, RootName => 'grades');
 358     print $xml;
 359     return;
 360 }
 361
 362 sub do_transcripts {
 363     print "Not implemented.\n";
 364 }
 365
 366 if ($arg eq "-g") {
 367     do_xml_grades(@ARGV);
 368 } elsif ($arg eq "-t") {
 369     do_transcripts;
 370 } elsif ($arg eq "-x" || $arg eq "-s" || 1) {
 371     do_xml_schedule(@ARGV);
 372 }
 373
 374 $ua->get("${url}twbkwbis.P_Logout"); # Logout