fermi/registro-steffo
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registro-steffo/server/write-ups.js

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Primo commit!
2016-09-15 14:37:26 +00:00
/* Copyright © 2016 Stefano Pigozzi, Emiliano Maccaferri
* Released under the GPL v3 license
*/
var db = require("./connection");
var utils = require("./utils");
module.exports.addWriteUp = function(sessionid, writeup, classname, student, response, callback){
db.query("SELECT username FROM sessions WHERE session_id = ? and rank = 'prof'", [sessionid], function(err, row){
console.log("Query eseguita");
if(row.length == 1){
console.log("200");
var username = utils.rowToString(row, "username");
db.query("SELECT classes FROM prof_classes WHERE username = ?", [username], function(err, classes){
if(classes.length == 1){
var cla = utils.rowToString(classes, "classes");
var cArr = cla.split(",");
if(cArr.contains(classname)){
db.query("SELECT firstname, lastname FROM users WHERE username = ?", [student], function(err, row){
if(err){
response = {
success: false,
errordesc: "fatal"
}
throw err;
callback(err, response);
}
if(row.length == 0){
console.log("Username inesistente!");
response = {
success: false,
errordesc: "username_does_not_exist"
}
callback(null, response);
}
if(row.length == 1){
db.query("INSERT INTO personal_writeups (username, writeup) VALUES(?,?)", [student, writeup], function(err, success){
if(err){
response = {
success: false,
errordesc: "fatal"
}
throw err;
callback(err, response);
}
response = {
success: true,
writeup: writeup,
student: student
}
console.log("Fatto!");
callback(null, response);
});
}
});
}else{
console.log("Non di questa classe!");
response = {
success: false,
errordesc: "not_of_this_class"
}
callback(null, response);
}
}else{
response = {
success: false,
errordesc: "no_classes_found"
}
callback(null, response);
}
});
}else{
console.log("403");
response = {
success: false,
errordesc: "Unauthorized"
}
}
});
}
module.exports.addClassWriteUp = function(sessionid, writeup, classname, response, callback){
db.query("SELECT username FROM sessions WHERE session_id = ? and rank = 'prof'", [sessionid], function(err, row){
console.log("Query eseguita");
if(row.length == 1){
console.log("200");
var username = utils.rowToString(row, "username");
db.query("SELECT classes FROM prof_classes WHERE username = ?", [username], function(err, classes){
if(classes.length == 1){
var cla = utils.rowToString(classes, "classes");
var cArr = cla.split(",");
if(cArr.contains(classname)){
db.query("INSERT INTO class_writeups (added_by, writeup, class) VALUES(?,?,?)", [username, writeup, classname], function(err, success){
if(err){
response = {
success: false,
errordesc: "fatal"
}
throw err;
callback(err, response);
}
response = {
success: true,
writeup: writeup,
classname: classname
}
console.log("Fatto!");
callback(null, response);
});
}else{
console.log("Non di questa classe!");
response = {
success: false,
errordesc: "not_of_this_class"
}
callback(null, response);
}
}else{
response = {
success: false,
errordesc: "no_classes_found"
}
callback(null, response);
}
});
}else{
console.log("403");
response = {
success: false,
errordesc: "Unauthorized"
}
}
});
}
module.exports.getClassWriteUps = function(sessionid, classname, response, callback){
db.query("SELECT username, rank FROM sessions WHERE session_id = ?", [sessionid], function(err, row){
if(row.length == 1){
console.log("Autorizzato (sessionid)");
var username = utils.rowToString(row, "username");
var rank = utils.rowToString(row, "rank");
switch(rank){
case "prof":
db.query("SELECT classes FROM prof_classes WHERE username = ?", [username], function(err, classes){
if(classes.length == 1){
db.query("SELECT writeup FROM class_writeups WHERE class = ?", [classname], function(err, writeups){
if(err){
response = {
success: false,
errordesc: "fatal"
}
throw err;
callback(err, response);
}
response = {
success: true,
list: writeups
}
console.log("Fatto!");
callback(null, response);
});
}else{
console.log("Non autorizzato (classe)");
response = {
success: false,
errordesc: "not_of_this_class"
}
callback(null, response);
}
});
break;
case "stud":
db.query("SELECT class FROM users WHERE username = ?", [username], function(err, row){
if(err){
callback(err, response);
return false;
}
if(row.length == 1){
console.log("OK! Può leggere le note (studente)");
db.query("SELECT writeup FROM class_writeups WHERE class = ?", [classname], function(err, writeups){
if(err){
response = {
success: false,
errordesc: "fatal"
}
throw err;
callback(err, response);
}
response = {
success: true,
list: writeups
}
console.log("Fatto!");
callback(null, response);
});
}else{
console.log("Non autorizzato (classe)");
response = {
success: false,
errordesc: "Unauthorized"
}
callback(null, response);
}
});
break;
default:
break;
}
}else{
console.log("sessionid non autorizzato!");
response = {
success: false,
errordesc: "Unauthorized"
}
callback(null, response);
}
});
}
module.exports.getWriteUps = function(sessionid, student, response, callback){
db.query("SELECT username, rank FROM sessions WHERE session_id = ?", [sessionid], function(err, row){
if(row.length == 1){
console.log("Autorizzato (sessionid)");
var username = utils.rowToString(row, "username");
var rank = utils.rowToString(row, "rank");
console.log(jRow);
switch(rank){
case "prof":
db.query("SELECT classes FROM prof_classes WHERE username = ?", [username], function(err, classes){
if(classes.length == 1){
db.query("SELECT writeup FROM personal_writeups WHERE username = ?", [student], function(err, writeups){
if(err){
response = {
success: false,
errordesc: "fatal"
}
throw err;
callback(err, response);
}
response = {
success: true,
list: writeups
}
console.log("Fatto!");
callback(null, response);
});
}else{
console.log("Non autorizzato (classe)");
response = {
success: false,
errordesc: "not_of_this_class"
}
callback(null, response);
}
});
break;
case "stud":
db.query("SELECT class FROM users WHERE username = ?", [username], function(err, row){
if(err){
callback(err, response);
return false;
}
if(row.length == 1){
console.log("OK! Può leggere le note (studente)");
db.query("SELECT writeup FROM personal_writeups WHERE username = ?", [student], function(err, writeups){
if(err){
response = {
success: false,
errordesc: "fatal"
}
throw err;
callback(err, response);
}
response = {
success: true,
list: writeups
}
console.log("Fatto!");
callback(null, response);
});
}else{
console.log("Non autorizzato (classe)");
response = {
success: false,
errordesc: "Unauthorized"
}
callback(null, response);
}
});
break;
default:
break;
}
}else{
console.log("sessionid non autorizzato!");
response = {
success: false,
errordesc: "Unauthorized"
}
callback(null, response);
}
});
}
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