SlatePermutate Changeset - 18c6d2ea6fe7 · protofusion repositories

Changeset - 18c6d2ea6fe7

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Ethan Zonca - 15 years ago 2010-10-16 02:40:45
ez@ethanzonca.com

uMich crawler now works properly

1 file changed with 29 insertions and 3 deletions:

school.d/umich.inc

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school.d/umich.inc

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 <?php
 function umich_info()
+{
   return array('name' => 'University of Michigan',
 	       'url' => 'http://umich.edu/',
 	       'domains' => array(
 				  'umich.edu',
@@ @@ -10,13 +11,13 @@ function umich_info() @@
 	       );
+}
 function umich_instructions_html()
+{
   return <<<EOF
-<h2>Umich-specific Instructions</h2>
+<h2>U of M-specific Instructions</h2>
 <p>
   SlatePermutate can be a useful tool for scheduling your next semester.
 </p>
 <ol>
   <li>Get in touch with your advisor during advising/reading recess.</li>
   <li>Look up each class your advisor specified on this course listing page</li>
@@ @@ -25,39 +26,64 @@ function umich_instructions_html() @@
   <li>Print out your preferred schedule by choosing "print" and selecting a schedule.</li>
   <li>Wait until it's your turn to register and grab your preferred sections before they fill up!</li>
 </ol>
 EOF;
+}
 /** Filter out whitepace items */
 function umich_arrayfilter_callback($item){
     if(ltrim($item) == ''){
       return false;
+    }
     else{
       return true;
+    }
+}
 /** Parse html at URL into array, first row is row headers */
 function umich_table_parse($url) {
   $arr = array();
   $dom = new DOMDocument;
   $html = file_get_contents($url);
   if(!$html){
     return 1;
+  }
   $dom->loadHTML($html);
   $dom->preserveWhiteSpace = false;
   $tables = $dom->getElementsByTagName('table');
-  $rows = $tables->item(2)->getElementsByTagName('tr'); // Get first table on page
+  $rows = $tables->item(3)->getElementsByTagName('tr'); // Get first table on page
   foreach ($rows as $rownum => $row) {
     if($rownum > 5) {
     $cols = $row->getElementsByTagName('td');
     foreach($cols as $colnum => $col){
       $arr[$rownum][$colnum] = $col->nodeValue;
+    }
+  }
+  }
   foreach($arr as &$item) {
     $item = array_filter($item, "umich_arrayfilter_callback");
+  }
   $arr = array_values($arr); // Reindex array
   // Strip navigation and trailing garbage
   $arr[count($arr)-3] = NULL;
   $arr[count($arr)-2] = NULL;
   $arr[count($arr)-1] = NULL;
   $arr = array_filter($arr);
   return $arr;
+}
 /** Crawls uMich course listings. $season is "f" or "s", year is 2-digit year */
 function umich_crawl($season, $year) {
   /* Current academic departments. Update as needed. */
   $departments = array('AAPTIS','ACABS','AERO','AEROSP','AMCULT','ANTHRARC','ANTHRBIO','ANTHRCUL','AOSS','APPPHYS','ARCH','ARMENIAN','ARTDES','ASIAN','ASIANLAN','ASTRO','AUTO','BCS','BIOINF','BIOLCHEM','BIOLOGY','BIOMEDE','BIOPHYS','CAAS','CEE','CHE','CHEM','CIC','CICS','CJS','CLARCH','CLCIV','CMPLXSYS','COMM','COMP','COMPLIT','CSP','CZECH','DANCE','DUTCH','ECON','EDCURINS','EDUC','EEB','EECS','ELI','ENGLISH','ENGR','ENSCEN','ENVIRON','ESENG','FRENCH','GEOG','GEOSCI','GERMAN','GREEK','GTBOOKS','HBEHED','HISTART','HISTORY','HJCS','HMP','HONORS','INTMED','IOE','ITALIAN','JAZZ','JUDAIC','KINESLGY','LACS','LATIN','LHC','LHSP','LING','MACROMOL','MATH','MATSCIE','MCDB','MECHENG','MEDADM','MEDCHEM','MEMS','MENAS','MFG','MICROBIOL','MILSCI','MKT','MODGREEK','MOVESCI','MUSEUMS','MUSICOL','MUSMETH','MUSTHTRE','NAVARCH','NAVSCI','NERS','NEUROSCI','NRE','NURS','OMS','ORGSTUDY','PAT','PATH','PHARMACY','PHIL','PHRMACOL','PHYSICS','PHYSIOL','POLISH','POLSCI','PORTUG','PSYCH','PUBHLTH','PUBPOL','RCARTS','RCCORE','RCHUMS','RCIDIV','RCLANG','RCNSCI','RCSSCI','REEES','RELIGION','ROMLANG','ROMLING','RUSSIAN','SAC','SAS','SCAND','SEAS','SI','SLAVIC','SOC','SPANISH','STATS','STDABRD','SWC','TCHNCLCM','THEORY','THTREMUS','UC','UKRAINE','UP','WOMENSTD','YIDDISH');
   $basepath = "http://www.lsa.umich.edu/cg/cg_results.aspx";
-  $yearsyn = 1810 + $year; // Weird year synonym name where 2000 == 1800
+  $yearsyn = 1800 + $year; // Weird year synonym name where 2000 == 1800
   $basepath .= "?termArray={$season}_{$year}_${yearsyn}&cgtype=ug";
   $season = strtolower($season);
   $tables = array();
   foreach($departments as $department) {
     $tables[$department] = umich_table_parse($basepath . '&department=' . $department . '&allsections=true&show=1000');
+  }

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