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index.js
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index.js
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//Name: Nayan Pasari
//ID: 111868106
var sql = require("mysql");
var sqlCon = sql.createConnection({
host: "localhost",
port: 3306,
user: "root",
password: "root",
database: "hwdatabase"
});
const express = require("express");
const app = express();
const url = require('url');
const {
query
} = require("express");
app.get("/", (req, res) => {
doSearch(req, res);
});
app.get("/schedule", (req, res) => {
writeSchedule(req, res);
});
port = process.env.PORT || 3000;
app.listen(port, () => {
console.log("Server connected!!!");
});
function doSearch(req, res) {
res.writeHead(200, {
"Content-Type": "text/html"
});
let query = url.parse(req.url, true).query;
let search = query.search ? query.search : "";
let filter = query.filter ? query.filter : "";
let html = `
<!DOCTYPE html>
<html lang = "en">
<head>
<title>Spring 2021 CSE Class Find</title>
</head>
<style type="text/css">
h2 {
background: #007991;
background: #D31027;
background: -webkit-linear-gradient(to right, #EA384D, #D31027);
background: linear-gradient(to right, #EA384D, #D31027);
color: black;
line-height: 1.1;
padding: 20px 0;
text-transform: uppercase;
font-weight: normal;
margin: 0;
font-size: 25px;
text-align: center;
letter-spacing: 0.4rem;
transition: letter-spacing, 2.0s;
text-shadow: 1px 1px 1px black;
}
h2:hover {
letter-spacing: 0.8rem;
}
#myInput {
background-position: 10px 12px;
background-repeat: no-repeat;
width: 75%;
font-size: 15px;
padding: 12px 20px 12px 40px;
border: 1px solid #ddd;
margin-bottom: 12px;
}
#btn2:hover {
background: #2b2b22;
transition: all 0.3s;
color: white;
}
#btn2 {
font-size: 1.5em;
background: white;
color: black;
}
select{
font-size: 1.3em;
}
</style>
<body>
<h2>SBU Class SChedule Builder</h2>
<form method= "get" action= "/">
<input type = "text" name = "search" id="myInput" value ="">
<b style= "font-size: 1.5em;">in</b>
<select name = "filter">
<option value = "allFields">All Fields</option>
<option value = "courseName">Course Title</option>
<option value = "courseNum">Course Num</option>
<option value = "instructor">Instructor</option>
<option value = "days">Days</option>
<option value = "time">Time</option>
</select>
<input type="submit" value = "Submit" id="btn2"><br>Example Searches : 316, Fodor, 4:00 Pm
</form>
<br><br>
`;
let sql = "SELECT * FROM hwdb;";
//sql search all colmns
if (filter == "allFields")
sql = `SELECT * FROM hwdb
WHERE Subj LIKE '%` + search + `%' OR
CRS LIKE '%` + search + `%' OR
CourseName LIKE '%` + search + `%' OR
Cmp LIKE '%` + search + `%' OR
Sctn LIKE '%` + search + `%' OR
Days LIKE '%` + search + `%' OR
StartTime LIKE '%` + search + `%' OR
EndTime LIKE '%` + search + `%' OR
StartDate LIKE '%` + search + `%' OR
EndDate LIKE '%` + search + `%' OR
Duration LIKE '%` + search + `%' OR
InstructionMode LIKE '%` + search + `%' OR
Building LIKE '%` + search + `%' OR
Room LIKE '%` + search + `%' OR
Instr LIKE '%` + search + `%' OR
EnrlCap LIKE '%` + search + `%' OR
WaitCap LIKE '%` + search + `%' OR
CmbndDescr LIKE '%` + search + `%' OR
CmbndEnrlCap LIKE '%` + search + `%'`;
else if (filter == "courseNum")
sql = `SELECT * FROM hwdb
WHERE CRS LIKE '%` + search + `%';`;
else if (filter == "courseName")
sql = `SELECT * FROM hwdb
WHERE CourseName LIKE '%` + search + `%';`;
else if (filter == "instructor")
sql = `SELECT * FROM hwdb
WHERE Instr LIKE '%` + search + `%';`;
else if (filter == "days")
sql = `SELECT * FROM hwdb
WHERE Days LIKE '%` + search + `%'`;
else if (filter == "time")
sql = `SELECT * FROM hwdb
WHERE StartTime LIKE '%` + search + `%' OR
EndTime LIKE '%` + search + `%';`;
sqlCon.query(sql, function (err, result) {
if (err) throw err;
for (let item of result) {
html += `
<div style="text-align: center;"><button type= "button" class="toggle" style="font-size: 1.5em;background: white;
color: black;">CSE ` + item.CRS + ` - ` +
item.CourseName + ` - ` + item.Cmp + ` - ` + item.Sctn + `</button></div>
<pre style="text-align: center;font-family: Source Sans Pro;font-size:1.3em;">
<strong>Days:</strong> ` + item.Days + `
<strong>Start Time:</strong> ` + item.StartTime + `
<strong>End Time:</strong> ` + item.EndTime + `
<strong>Start Date:</strong> ` + item.StartDate + `
<strong>EndDate:</strong> ` + item.EndDate + `
<strong>Duration:</strong> ` + item.Duration + `
<strong>Instruction Mode:</strong> ` + item.InstructionMode + `
<strong>Building:</strong> ` + item.Building + `
<strong>Room:</strong> ` + item.Room + `
<strong>Instructor:</strong> ` + item.Instr + `
<strong>Enrollment Cap:</strong> ` + item.EnrlCap + `
<strong>Wait Cap:</strong> ` + item.WaitCap + `
<strong>Combined Description:</strong> ` + item.CmbndDescr + `
<strong>Combined Enrollment Cap:</strong> ` + item.CmbndEnrlCap + `<form action = "/schedule" method = "get">
<button style=" background: #007991;
background: #D31027;
background: -webkit-linear-gradient(to right, #EA384D, #D31027);
background: linear-gradient(to right, #EA384D, #D31027);
font-size: 1em;
padding: 1.5rem;
border: 0;
font-weight: bold;
border-radius: 5px;
width: auto;
position: relative;" name= "add" value = "` + item.id + `">Add Class</button</form></pre>`;
}
res.write(html + "\n\n<body>\n</html>");
res.end();
});
};
function writeSchedule(req, res) {
let query = url.parse(req.url, true).query;
let addQuery = `INSERT INTO scheduledb SELECT * FROM hwdb WHERE hwdb.id="` + query.add + `";`
let html = `
<!DOCTYPE html>
<html>
<head>
<title>Course Schedule</title>
<style type= text/css>
table, tr, th, td{
height: 50px;
vertical-align: bottom;
padding: 15px;
text-align: left;
}
h1 {
background: #007991;
background: #D31027;
background: -webkit-linear-gradient(to right, #EA384D, #D31027);
background: linear-gradient(to right, #EA384D, #D31027);
color: black;
line-height: 1.1;
padding: 20px 0;
text-transform: uppercase;
font-weight: normal;
margin: 0;
font-size: 25px;
text-align: center;
letter-spacing: 0.4rem;
transition: letter-spacing, 2.0s;
text-shadow: 1px 1px 1px black;
}
h1:hover {
letter-spacing: 0.8rem;
}
.center {
margin-left: auto;
margin-right: auto;
border: 1px solid black;
}
.abc{
padding-left: 6px;
background-color: #b3ecf5;
}
h2{
color: #2c3e50;
font-family: Source Sans Pro;
}
h3{
letter-spacing: 0.3rem;
text-transform: uppercase;
color: black;
text-align: center;
font-size: 20px;
}
</style>
</head>
<body>
<h1> Course Schedule</h1><br>
<h3>SPRING 2021</h3>
<h2>Name: Nayan Pasari<br>
ID: 111868106
</h2>
<a href = "/"><b>Back to Search</b></a>
<br><br>
<table class="center">
<tr style="background-color: white; color: black;">
<th style="text-align: center; font-size: 1.3em;"> MON </th>
<th style="text-align: center;font-size: 1.3em;"> TUE </th>
<th style="text-align: center;font-size: 1.3em;"> WED </th>
<th style="text-align: center;font-size: 1.3em;"> THU </th>
<th style="text-align: center;font-size: 1.3em;"> FRI </th>
</tr>
<tr class="abc">
<td> Mon </td>
<td> Tue </td>
<td> Wed </td>
<td> Thu </td>
<td> Fri </td>
</tr>
</table>
</body>
</html>
`;
sqlCon.query(addQuery, function (err, result) {
if (err) console.log(err);
sqlCon.query(buildDay("M"), function (err, result) {
if (err) throw err;
html = html.replace("<td> Mon </td>", renderDay(result, "MON"));
sqlCon.query(buildDay("TU"), function (err, result) {
if (err) throw err;
html = html.replace("<td> Tue </td>", renderDay(result, "TUE"));
sqlCon.query(buildDay("W"), function (err, result) {
if (err) throw err;
html = html.replace("<td> Wed </td>", renderDay(result, "WED"));
sqlCon.query(buildDay("TH"), function (err, result) {
if (err) throw err;
html = html.replace("<td> Thu </td>", renderDay(result, "THU"));
sqlCon.query(buildDay("F"), function (err, result) {
if (err) throw err;
html = html.replace("<td> Fri </td>", renderDay(result, "FRI"));
res.write(html + "\n\n</body>\n</html>");
res.end();
});
});
});
});
});
});
}
function buildDay(search) {
var sql = `SELECT * FROM scheduledb
WHERE Days LIKE '%` + search + `%'`;
return sql;
};
function renderDay(SQLResult, tableHeader) {
let foo = "<td>";
for (let item of SQLResult) {
foo += "\n <b> " + item.StartTime + " - " +
item.EndTime + " <br><br>" +
item.Subj + " " +
item.CRS + " - " +
item.Sctn + " </b> <p> " +
item.CourseName + "<br><br>" +
"Prof: " + item.Instr + "<br><br>" +
"<br/><br/>";
}
return foo + "</td>";
}