Files
UT-Registration-Plus/content.js
2018-07-04 22:05:39 -05:00

107 lines
3.3 KiB
JavaScript

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