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index.js
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index.js
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'use strict';
var query = require('./js/query.js');
var express = require('express');
var async = require('async');
var app = express();
app.use(express.json())
.use(express.favicon(__dirname + '/public/favicon.ico'))
.get('/', function(req, res) {
res.sendfile(__dirname + '/public/index.html');
})
.get('/category/:category', function(req, res) {
query('SELECT * FROM "categories" WHERE "id" = ' + req.params.category + ' LIMIT 1;', function(data) {
res.json({data : data[0]});
});
})
.get('/subcategory/:subcategory', function(req, res) {
query('SELECT * FROM "subcategories" WHERE "id" = ' + req.params.subcategory + ' LIMIT 1;', function(data) {
res.json({data : data[0]});
});
})
.get('/test/:test', function(req, res) {
query('SELECT * FROM "tests" WHERE "id" = ' + req.params.test + ' LIMIT 1;', function(data) {
res.json({data : data[0]});
});
})
.get('/categories', function(req, res) {
query('SELECT * FROM "categories" ORDER BY "order", "id";', function(data) {
res.json({data : data});
});
})
.get('/subcategories/:category', function(req, res) {
query('SELECT * FROM "subcategories" WHERE "category_id" = ' + req.params.category + ' ORDER BY "order", "id";', function(data) {
res.json({data : data});
});
})
.get('/tests/:subcategory/:uid', function(req, res) {
//console.log('tra');
query('SELECT t.*, ut.passed, (SELECT SUM(max_points) FROM questions WHERE test_id = t.id) max_points FROM users_tests ut LEFT JOIN tests t ON ut.test_id = t.id WHERE t.subcategory_id = ' + req.params.subcategory + ' AND ut.user_id = ' + req.params.uid + ' ORDER BY t."order", t."id";', function(data) {
var b = [];
var answ = [];
var rslt = [];
for(var i = 0; i < data.length; i++) {
data[i].sum = 0;
if(data[i].passed) {
b.push(function(k, callback) {
query('SELECT SUM(uat.points) AS s FROM users_answers_text uat LEFT JOIN questions q ON q.id = uat.question_id AND q.test_id = ' + data[k].id, function(answers) {
if(answers[0].s && parseInt(answers[0].s))
data[k].sum += parseInt(answers[0].s);
callback(undefined);
}
)}.bind(this, i));
b.push(function(k, callback) {
query('SELECT SUM(uata.points) AS s FROM users_answers_textarea uata LEFT JOIN questions q ON q.id = uata.question_id AND q.test_id = ' + data[k].id, function(answers) {
if(answers[0].s && parseInt(answers[0].s))
data[k].sum += parseInt(answers[0].s);
callback(undefined);
}
)}.bind(this, i));
b.push(function(k, callback) {
query('SELECT SUM(answ.points) AS s FROM answers answ LEFT JOIN questions q ON q.id = answ.question_id AND q.test_id = ' + data[k].id + ' INNER JOIN users_answers_radio_checkbox uarch ON answ.id = uarch.answer_id', function(answers) {
if(answers[0].s && parseInt(answers[0].s))
data[k].sum += parseInt(answers[0].s);
callback(undefined);
}
)}.bind(this, i));
}
}
async.waterfall(b, function(err, result) {
res.json({data : data});
});
});
})
.get('/markoftest/:test', function(req, res) {
query('SELECT SUM(uat.points) AS s FROM users_answers_text uat LEFT JOIN questions q ON q.id = uat.question_id AND q.test_id = ' + req.params.test, function(s1) {
query('SELECT SUM(uata.points) AS s FROM users_answers_textarea uata LEFT JOIN questions q ON q.id = uata.question_id AND q.test_id = ' + req.params.test, function(s2) {
query('SELECT SUM(answ.points) AS s FROM answers answ LEFT JOIN questions q ON q.id = answ.question_id AND q.test_id = ' + req.params.test + ' INNER JOIN users_answers_radio_checkbox uarch ON answ.id = uarch.answer_id', function(s3) {
query('SELECT SUM(max_points) max FROM questions WHERE test_id = ' + req.params.test, function(max) {
res.json({sum : parseInt(s1[0].s) + parseInt(s2[0].s) + parseInt(s3[0].s), max : max[0].max});
});
});
});
});
})
.get('/questions/:test', function(req, res) {
query('SELECT * FROM "questions" WHERE "test_id" = ' + req.params.test + ' ORDER BY "order", "id";', function(data) {
var b = [];
var answ = [];
var rslt = [];
for(var i = 0; i < data.length; i++)
if(data[i].type == 'checkbox' || data[i].type == 'radio')
b.push(function(k, callback) {
query('SELECT * FROM "answers" WHERE "question_id" = ' + data[k].id + ' ORDER BY "order", "id";', function(answers) {
for(var j = 0; j < answers.length; j++) {
delete answers[j].points;
if(data[k].type == 'checkbox')
answers[j].result = false;
}
answ.push(answers);
callback(undefined);
}
)}.bind(this, i));
async.waterfall(b, function(err, result) {
for(var i = 0, j = 0; i < data.length; i++) {
data[i].number = i + 1;
if(data[i].type == 'text' || data[i].type == 'textarea')
data[i].result = '';
else
data[i].answers = answ[j++];
if(data[i].type == 'radio')
data[i].result = '';
}
res.json({data : data});
});
});
})
.get('/istestenabled/:test/:uid', function(req, res) {
query("SELECT enabled FROM users_tests WHERE user_id = '" + req.params.uid + "' AND test_id = '" + req.params.test + "' LIMIT 1;", function(data) {
res.json({enabled : data[0].enabled});
});
})
.get('/uncheckedanswers', function(req, res) {
query("SELECT uat.id, uat.answer, q.title, q.max_points, 'users_answers_text' AS table, 0 points FROM questions q LEFT JOIN users_answers_text uat ON uat.question_id = q.id WHERE uat.checked = 'f';", function(uat) {
query("SELECT uata.id, uata.answer, q.title, q.max_points, 'users_answers_textarea' AS table, 0 points FROM questions q LEFT JOIN users_answers_textarea uata ON uata.question_id = q.id WHERE uata.checked = 'f';", function(uata) {
var data = new Array(uat.length + uata.length);
for(var i = 0; i < uat.length; i++)
data[i] = uat[i];
for(var i = 0; i < uata.length; i++)
data[i + uat.length] = uata[i];
res.json({data : data});
});
});
})
.post('/sendanswersradiocheckbox', function(req, res) {
query("INSERT INTO users_answers_radio_checkbox (user_id, question_id, answer_id) VALUES ('" + req.body.uid + "', '" + req.body.qid + "', '" + req.body.aid + "');", function(data) {
res.json({success : true});
});
})
.post('/markanswer', function(req, res) {
query("UPDATE " + req.body.table + " SET points = '" + req.body.points + "', checked = 't' WHERE id = '" + req.body.id + "';", function(data) {
res.json({success : true});
});
})
.post('/sendanswerstext', function(req, res) {
query("INSERT INTO users_answers_" + req.body.qtype + " (user_id, question_id, answer) VALUES ('" + req.body.uid + "', '" + req.body.qid + "', '" + req.body.answer + "');", function(data) {
res.json({success : true});
});
})
.post('/disableandpasstest', function(req, res) {
query("UPDATE users_tests SET enabled = 'f', passed = 't' WHERE user_id = '" + req.body.uid + "' AND test_id = '" + req.body.tid + "';", function(data) {
res.json({success : true});
});
})
.post('/login', function(req, res) {
query("SELECT * FROM users WHERE login = '" + req.body.login + "' AND password = '" + req.body.password + "' LIMIT 1;", function(data) {
if(data.length != 1) {
res.json({success : false});
return;
}
else {
delete data[0].password;
res.json({success : true, data : data[0]});
}
});
})
.post('/register', function(req, res) {
query("SELECT * FROM users WHERE login = '" + req.body.login + "' LIMIT 1;", function(data) {
if(data.length != 0) {
res.json({success : false});
return;
}
query("INSERT INTO users (login, password, email, name, surname, patronymic) VALUES ('" + req.body.login + "', '" + req.body.password + "', '" + req.body.email + "', '" + req.body.name + "', '" + req.body.surname + "', '" + req.body.patronymic + "');", function(data) {
query("SELECT * FROM users WHERE login = '" + req.body.login + "' AND password = '" + req.body.password + "' LIMIT 1;", function(data) {
delete data[0].password;
res.json({success : true, data : data[0]});
});
});
});
})
.post('/user', function(req, res) {
query("SELECT * FROM users WHERE id = '" + req.body.id + "' LIMIT 1;", function(data) {
if(data.length != 1) {
res.json({success : false});
return;
}
else {
delete data[0].password;
query("SELECT r.category, r.url, r.title FROM rights r INNER JOIN users_rights ur ON r.id = ur.right_id INNER JOIN users u ON u.rights = ur.user_rights WHERE u.id = '" + data[0].id + "' ORDER BY r.category, r.order;", function(rights) {
var cats = [];
for(var i = 0; i < rights.length; i++)
cats[rights[i].category] = rights[i].category;
if(cats.length > 0)
query('SELECT id, title FROM rights_categories WHERE id IN (' + cats.toString().substr(1) + ') ORDER BY "order", "id";', function(c) {
var actions = [];
for(var i = 0; i < c.length; i++) {
actions[i] = {};
actions[i].rights = [];
actions[i].title = c[i].title;
actions[i].id = c[i].id;
for(var j = 0; j < rights.length; j++)
if(rights[j].category == c[i].id)
actions[i].rights.push(rights[j]);
}
res.json({success : true, data : data[0], actions : actions});
});
else
res.json({success : true, data : data[0], actions : undefined});
});
}
});
})
.post('/adduser', function(req, res) {
query("SELECT * FROM users WHERE login = '" + req.body.login + "' LIMIT 1;", function(data) {
if(data.length != 0) {
res.json({success : false});
return;
}
query("INSERT INTO users (login, password, email, name, surname, patronymic, rights) VALUES ('" + req.body.login + "', '" + req.body.password + "', '" + req.body.email + "', '" + req.body.name + "', '" + req.body.surname + "', '" + req.body.patronymic + "', '" + req.body.rights + "');", function(data) {
res.json({success : true});
});
});
})
.post('/profile', function(req, res) {
query("SELECT * FROM users WHERE id = '" + req.body.id + "' LIMIT 1;", function(data) {
if(data.length <= 0) {
res.json({success : false});
return;
}
else
res.json({success : true, data : data[0]});
});
})
.post('/saveprofilepw', function(req, res) {
query("SELECT * FROM users WHERE id = '" + req.body.id + "' AND password = '" + req.body.password + "' LIMIT 1;", function(data) {
if(data.length != 1) {
res.json({success : false});
return;
}
query("UPDATE users SET password = '" + req.body.newPassword + "', email = '" + req.body.email + "', name = '" + req.body.name + "', surname = '" + req.body.surname + "', patronymic = '" + req.body.patronymic + "' WHERE id = '" + req.body.id + "' AND password = '" + req.body.password + "';", function(data) {
query("SELECT * FROM users WHERE id = '" + req.body.id + "' AND password = '" + req.body.newPassword + "' LIMIT 1;", function(data) {
delete data[0].password;
res.json({success : true, data : data[0]});
});
});
});
})
.post('/saveprofile', function(req, res) {
query("SELECT * FROM users WHERE id = '" + req.body.id + "' LIMIT 1;", function(data) {
if(data.length != 1) {
res.json({success : false});
return;
}
query("UPDATE users SET email = '" + req.body.email + "', name = '" + req.body.name + "', surname = '" + req.body.surname + "', patronymic = '" + req.body.patronymic + "' WHERE id = '" + req.body.id + "';", function(data) {
query("SELECT * FROM users WHERE id = '" + req.body.id + "' LIMIT 1;", function(data) {
delete data[0].password;
res.json({success : true, data : data[0]});
});
});
});
})
.use(express.static(__dirname + '/public'))
.listen(process.env.PORT || 8888);