107 lines
3.3 KiB
JavaScript
107 lines
3.3 KiB
JavaScript
var grades;
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var profname;
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var department;
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var course_nbr;
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$(document).ready( function() {
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loaddataBase();
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//make heading
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$("table thead th:nth-child(5)").after('<th scope=col>Rating</th>');
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$("table thead th:nth-child(10)").after('<th scope=col>Dist</th>');
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//console.log(grades);
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$('table').find('tr').each(function(){
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if($(this).find('td').hasClass("course_header")){
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} else if($(this).has('th').length == 0){
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var rating;
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var profname = $(this).find('td').eq(4).text() + "";
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// var profurl = $(this).find('td a').prop('href');
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if(profname == ""){
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//console.log("No Professor");
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rating = "No Prof :(";
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} else {
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let lastname = profname.split(',')[0];
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rating = "Hello";
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}
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$(this).find('td').eq(4).after('<td data-th="Rating"><a href="http://example.com">'+rating+'</a></td>');
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$(this).append('<td data-th="Dist"><input type="image" class="distButton" style="vertical-align: bottom;" width="30" height="30" src='+chrome.extension.getURL('disticon.png')+' /></td>');
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}
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});
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$(this).find(".distButton").click(function(){
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//var coursename = $(this).closest(':has(.course_header)').find('.course_header');
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//CLEAN UP, "gack"- Michael Scott
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var row = $(this).closest('tr');
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getCourseInfo(row);
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//console.log(profname + " "+department+" "+course_nbr);
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//console.log(coursename);
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getDistribution();
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});
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});
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function getCourseInfo(row){
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var coursename;
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$('table').find('tr').each(function(){
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if($(this).find('td').hasClass("course_header")){
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coursename = $(this).find('td').text() + "";
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}
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if($(this).is(row)){
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profname = $(this).find('td').eq(4).text().split(',')[0];
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return false;
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}
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});
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department = coursename.substring(0,coursename.search(/\d/)-2);
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// console.log(department);
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course_nbr = coursename.substring(coursename.search(/\d/),coursename.indexOf(" ",coursename.search(/\d/)));
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}
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function getDistribution(){
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var query = "select * from agg";
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query += " where dept like '%"+department+"%'";
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query += " and prof like '%"+profname+"%'";
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query += " and course_nbr like '%"+course_nbr+"%'";
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alert(grades.exec(query)[0].values);
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}
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function loaddataBase(){
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sql = window.SQL;
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loadBinaryFile('grades.db', function(data){
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var sqldb = new SQL.Database(data);
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// Database is ready
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grades = sqldb;
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//console.log(grades.exec(query)[0]);
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});
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}
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function loadBinaryFile(path,success) {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", chrome.extension.getURL(path), true);
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xhr.responseType = "arraybuffer";
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xhr.onload = function() {
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var data = new Uint8Array(xhr.response);
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var arr = new Array();
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for(var i = 0; i != data.length; ++i) arr[i] = String.fromCharCode(data[i]);
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success(arr.join(""));
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};
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xhr.send();
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};
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// function getProfessorLink(profname) {
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// var name = profname.split(',');
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// var lastname = profname[0];
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// var firstinit = profname[1].substring(1);
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// console.log(lastname + " "+firstinit);
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// return new Promise((resolve, reject) => {
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// chrome.runtime.sendMessage({
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// method: "POST",
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// url: "http://www.ratemyprofessors.com/search.jsp",
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// data: "queryBy=teacherName&schoolName=university+of+texas+at+austin&query="+profname+"&facetSearch=true"
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// }, function(response) {
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// if (response) {
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// console.log(response);
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// }
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// });
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// });
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// }
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