added node backend

This commit is contained in:
QkoSad
2025-07-14 10:39:01 +03:00
parent 98e689bfc5
commit ec40145c69
26 changed files with 1495 additions and 1167 deletions
+10
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@@ -0,0 +1,10 @@
import mysql from "mysql2/promise";
const connection = await mysql.createConnection({
host: "localhost",
user: "monty",
password: "some_pass",
database: "timelognode",
});
export default connection;
+21
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@@ -0,0 +1,21 @@
import express from "express";
import getAll from "./routers/getAll.js";
import getUser from "./routers/getUser.js";
import getTopTen from "./routers/getTopTen.js";
import reset from "./routers/reset.js";
import cors from "cors";
const router = express.Router();
const app = express();
app.use(express.json());
app.use(cors());
app.use("/api", getAll);
app.use("/api", getTopTen);
app.use("/api", getUser);
app.use("/api", reset);
app.use("/api", router);
const PORT = process.env.PORT || 5000;
app.listen(PORT, () => console.log(`Server started on port ${PORT}`));
+953
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@@ -0,0 +1,953 @@
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"version": "1.0.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "backend",
"version": "1.0.0",
"license": "ISC",
"dependencies": {
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"express": "^4.21.1",
"mysql2": "^3.11.4"
},
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"typescript": "^5.6.3"
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+20
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@@ -0,0 +1,20 @@
{
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}
+54
View File
@@ -0,0 +1,54 @@
fnameS = [
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"Gringo",
"Mark",
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"Maria",
"Sonya",
"Philip",
"Jose",
"Lorenzo",
"George",
"Justin",
];
lnameS = [
"Johnson",
"Lamas",
"Jackson",
"Brown",
"Mason",
"Rodriguez",
"Roberts",
"Thomas",
"Rose",
"McDonalds",
];
domain = ["hotmail.com", "gmail.com", "live.com"];
fname = [];
lname = [];
email = [];
i = 0;
while (i < 100) {
fname.push(fnameS[Math.floor(Math.random() * 10)]);
lname.push(lnameS[Math.floor(Math.random() * 9)]);
email.push(
`${fname[i]}.${lname[i]}@${domain[Math.floor(Math.random() * 2)]}`,
);
i++;
}
today = new Date();
for (let i = 0; i < email.length; i++) {
for (let j = 0; j < Math.floor(Math.random() * 20); j++) {
let m = Math.random() * (8 - 0.25) + 0.25;
m.toFixed(2);
console.log(
fname[i],
m,
`${today.getFullYear()}-${today.getMonth() + 1}-${today.getDate()}`,
);
today.setDate(today.getDate() + 1);
}
}
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import express from "express";
import connection from "../db.js";
const router = express.Router();
router.get("/getall", async (req, res) => {
let sql =
"SELECT u.f_name,u.l_name,u.mail,p.name,t.time,t.date,t.user \
FROM Timelog t \
INNER JOIN Project p ON p.id=t.project \
INNER JOIN User u ON u.id=t.user ";
const where = "WHERE t.date BETWEEN ? AND ? ";
const order = "ORDER BY ?? ";
const offsetSql = "LIMIT 10 OFFSET ?;";
let flag = 0;
// construct the sql statement based on incoming request
if (req.query.from || req.query.to) {
sql = sql + where;
flag += 1;
}
if (req.query.sortby) {
sql = sql + order;
flag += 2;
}
sql = sql + offsetSql;
let results;
let fields;
switch (flag) {
case 0:
[results, fields] = await connection.query(sql, [
parseInt(req.query.offset),
]);
break;
case 1:
[results, fields] = await connection.query(sql, [
req.query.from,
req.query.to,
parseInt(req.query.offset),
]);
break;
case 2:
[results, fields] = await connection.query(sql, [
req.query.sortby,
parseInt(req.query.offset),
]);
break;
case 3:
[results, fields] = await connection.query(sql, [
req.query.from,
req.query.to,
req.query.sortby,
parseInt(req.query.offset),
]);
break;
}
res.json(results);
});
export default router;
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import express from "express";
import connection from "../db.js";
const router = express.Router();
router.get("/gettopten", async (req, res) => {
let from = "2020-01-01";
let to = "2029-01-01";
let filterBy = "user";
if (req.query.from) from = req.query.from;
if (req.query.to) to = req.query.to;
if (req.query.filterBy) filterBy = req.query.filterBy;
let results, fields;
let filterBySql = filterBy === "user" ? "t.user" : "t.project";
try {
[results, fields] = await connection.query(
"SELECT t.user,t.date,t.project,u.f_name,u.l_name,p.name,SUM(t.time) as total_time \
FROM Timelog t \
INNER JOIN Project p ON p.id=t.project \
INNER JOIN User u ON u.id=t.user \
WHERE t.date BETWEEN ? AND ? \
GROUP BY ?? \
ORDER BY total_time DESC\
LIMIT 10;",
[from, to, filterBySql],
);
} catch (err) {
console.log(err);
res.status(400).json({ message: "Error" });
}
res.json(results);
});
export default router;
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import express from "express";
import connection from "../db.js";
const router = express.Router();
router.get("/getUser", async (req, res) => {
const userId = req.query.userid;
let results, fields;
try {
[results, fields] = await connection.query(
"SELECT p.name,t.time,t.project \
FROM Timelog t \
INNER JOIN Project p ON p.id=t.project \
INNER JOIN User u ON u.id=t.user \
WHERE USER = ? ;",
[userId],
);
} catch (err) {
console.log(err);
res.status(400).json("ERROR");
}
let projects = {};
let projectIdtoName = {};
for (let i = 0; i < results.length; i++) {
if (results[i].project in projects) {
projects[results[i].project] += results[i].time;
} else {
projects[results[i].project] = results[i].time;
projectIdtoName[results[i].project] = results[i].name;
}
}
// map projectIds to project names before sending the data
let respData = {};
for (let key in projects) {
if (projects.hasOwnProperty(key)) {
respData[projectIdtoName[key]] = projects[key];
}
}
res.json(respData);
});
export default router;
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import express from "express";
import connection from "../db.js";
const router = express.Router();
router.get("/reset", async (req, res) => {
try {
await connection.query("CALL InitDb;", []);
} catch (err) {
console.log(err);
res.status(400).json({ message: "Error" });
}
res.status(200).json({ message: "Success" });
});
export default router;
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CREATE TABLE Timelog( user INT, project INT, date DATE, time FLOAT, id INT AUTO_INCREMENT PRIMARY KEY, FOREIGN KEY (user) REFERENCES User (id));
CREATE TABLE Project( id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(50));
CREATE TABLE User ( f_name VARCHAR(50) , l_name VARCHAR(50) NOT NULL, mail VARCHAR(50) NOT NULL, id INT AUTO_INCREMENT PRIMARY KEY);
####
DELIMITER //
CREATE PROCEDURE InsertIntoUser(IN f_name_in VARCHAR(50), IN l_name_in VARCHAR(50), IN mail_in VARCHAR(50))
BEGIN
INSERT INTO User(f_name,l_name,mail) VALUES(f_name_in,l_name_in,mail_in);
END //
DELIMITER ;
######
DELIMITER //
CREATE PROCEDURE InsertIntoProject()
BEGIN
INSERT INTO Project(name) VALUES("My own");
INSERT INTO Project(name) VALUES("Outcons");
INSERT INTO Project(name) VALUES("Free time");
END //
DELIMITER ;
####
DELIMITER //
CREATE PROCEDURE InsertIntoTimeLog(IN user_in INT, IN project_in INT, IN time_in FLOAT, IN date_in DATE)
BEGIN
INSERT INTO Timelog(user, project, time, date) VALUES(user_in, project_in, time_in, date_in);
END //
DELIMITER ;
####
DELIMITER //
CREATE PROCEDURE CleanTables()
BEGIN
TRUNCATE TABLE Timelog;
TRUNCATE TABLE Project;
SET foreign_key_checks = 0;
TRUNCATE TABLE User;
SET foreign_key_checks = 1;
END //
DELIMITER ;
SELECT ROUTINE_NAME
FROM INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_TYPE = 'PROCEDURE'
AND ROUTINE_SCHEMA = 'timelog';
################
CREATE TEMPORARY TABLE temp_fname (fname VARCHAR(255));
INSERT INTO temp_fname (fname) VALUES
( "John" ),
( "Gringo" ),
( "Mark" ),
( "Lisa" ),
( "Maria" ),
( "Sonya" ),
( "Philip" ),
( "Jose" ),
( "Lorenzo" ),
( "George" ),
( "Justin" );
CREATE TEMPORARY TABLE temp_lname (lname VARCHAR(255));
INSERT INTO temp_lname (lname) VALUES
( "Johnson" ),
( "Lamas" ),
( "Jackson" ),
( "Brown" ),
( "Mason" ),
( "Rodriguez" ),
( "Roberts" ),
( "Thomas" ),
( "Rose" ),
( "McDonalds" );
CREATE TEMPORARY TABLE temp_mail (mail VARCHAR(255));
INSERT INTO temp_mail (mail) VALUES
( "hotmail.com" ),
( "gmail.com" ),
( "live.com" );
INSERT INTO User (f_name, l_name, mail)
SELECT
(SELECT fname FROM temp_fname ORDER BY RAND() LIMIT 1),
(SELECT lname FROM temp_lname ORDER BY RAND() LIMIT 1),
(SELECT mail FROM temp_mail ORDER BY RAND() LIMIT 1)
FROM
(SELECT 1 FROM information_schema.tables LIMIT 100) AS temp;
UPDATE User
SET User.mail = CONCAT(User.f_name,".", User.l_name,"@", User.mail);
DELIMITER $$
CREATE PROCEDURE fill_timelog ()
BEGIN
DECLARE j INT DEFAULT 1;
DECLARE users INT DEFAULT 1;
DECLARE logs INT;
DECLARE hours FLOAT;
DECLARE project INT;
DECLARE curDate DATE DEFAULT "2024-11-18";
WHILE users <= 100 DO
SET logs = FLOOR(1+(RAND()*20));
SET j=1;
WHILE j <= logs DO
SET hours = (RAND() * (8 - 0.25)) + 0.25;
SET curDate = DATE_ADD(curDate, INTERVAL 1 DAY);
SET project = FLOOR(1+(RAND()*3));
INSERT INTO Timelog (user, project, date,time ) VALUES (users,project,curDate,hours);
SET j=j+1;
END WHILE;
SET users=users+1;
END WHILE;
END$$
DELIMITER ;
SELECT t.user,t.date,t.project,u.f_name,u.l_name,p.name,SUM(t.time) as total_time
FROM Timelog t
INNER JOIN Project p ON p.id=t.project
INNER JOIN User u ON u.id=t.user
GROUP BY t.user
ORDER BY total_time DESC
LIMIT 10;
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CREATE TABLE User ( f_name VARCHAR(50) , l_name VARCHAR(50) NOT NULL, mail VARCHAR(50) NOT NULL, id INT AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE Timelog( user INT, project INT, date DATE, time FLOAT, id INT AUTO_INCREMENT PRIMARY KEY, FOREIGN KEY (user) REFERENCES User (id));
CREATE TABLE Project( id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(50));
DELIMITER $$
CREATE PROCEDURE CleanTables()
BEGIN
END $$
DELIMITER ;
DELIMITER $$
CREATE PROCEDURE InitDB()
BEGIN
DECLARE i INT DEFAULT 1;
TRUNCATE TABLE Timelog;
TRUNCATE TABLE Project;
SET foreign_key_checks = 0;
TRUNCATE TABLE User;
SET foreign_key_checks = 1;
INSERT INTO Project(name) VALUES("My own"),("Outcons"),("Free Time");
CREATE TEMPORARY TABLE temp_fname (fname VARCHAR(255));
INSERT INTO temp_fname (fname) VALUES
( "John" ),
( "Gringo" ),
( "Mark" ),
( "Lisa" ),
( "Maria" ),
( "Sonya" ),
( "Philip" ),
( "Jose" ),
( "Lorenzo" ),
( "George" ),
( "Justin" );
CREATE TEMPORARY TABLE temp_lname (lname VARCHAR(255));
INSERT INTO temp_lname (lname) VALUES
( "Johnson" ),
( "Lamas" ),
( "Jackson" ),
( "Brown" ),
( "Mason" ),
( "Rodriguez" ),
( "Roberts" ),
( "Thomas" ),
( "Rose" ),
( "McDonalds" );
CREATE TEMPORARY TABLE temp_mail (mail VARCHAR(255));
INSERT INTO temp_mail (mail) VALUES
( "hotmail.com" ),
( "gmail.com" ),
( "live.com" );
WHILE i <= 100 DO
INSERT INTO User (f_name, l_name, mail)
SELECT
(SELECT fname FROM temp_fname ORDER BY RAND() LIMIT 1),
(SELECT lname FROM temp_lname ORDER BY RAND() LIMIT 1),
(SELECT mail FROM temp_mail ORDER BY RAND() LIMIT 1);
SET i = i + 1;
END WHILE;
UPDATE User
SET User.mail = CONCAT(User.f_name,".", User.l_name,"@", User.mail);
CALL fill_timelog();
DROP TABLE temp_mail;
DROP TABLE temp_fname;
DROP TABLE temp_lname;
END$$
DELIMITER ;
DELIMITER $$
CREATE PROCEDURE fill_timelog ()
BEGIN
DECLARE j INT DEFAULT 1;
DECLARE users INT DEFAULT 1;
DECLARE logs INT;
DECLARE hours FLOAT;
DECLARE project INT;
DECLARE curDate DATE DEFAULT '2024-11-18';
DECLARE h2 INT;
WHILE users <= 100 DO
SET logs = FLOOR(1+(RAND()*20));
SET j=1;
WHILE j <= logs DO
SET project = FLOOR(1+(RAND()*3));
SET curDate = DATE_ADD('2020-01-01', INTERVAL FLOOR(RAND() * DATEDIFF('2020-02-01', '2020-01-01')) DAY);
SET hours = (RAND() * (8 - 0.25)) + 0.25;
SELECT SUM(time) INTO h2
FROM Timelog
WHERE date = curdate && user = users ;
WHILE (h2+hours) > 8 DO
SET curDate = DATE_ADD('2020-01-01', INTERVAL FLOOR(RAND() * DATEDIFF('2020-02-01', '2020-01-01')) DAY);
SELECT SUM(time)INTO h2
FROM Timelog
WHERE date = curdate && user = users ;
END WHILE;
INSERT INTO Timelog (user, project, date,time ) VALUES (users,project,curDate,hours);
SET j=j+1;
END WHILE;
SET users=users+1;
END WHILE;
END$$
DELIMITER ;
##
-- get data
SELECT t.time,t.date,p.name,u.f_name,u.l_name,u.mail FROM Timelog t INNER JOIN Project p ON p.id=t.project INNER JOIN User u ON u.id=t.user;
-- old timelog with adding each on a new day
CREATE PROCEDURE fill_timelog ()
BEGIN
DECLARE j INT DEFAULT 1;
DECLARE users INT DEFAULT 1;
DECLARE logs INT;
DECLARE hours FLOAT;
DECLARE project INT;
DECLARE curDate DATE DEFAULT "2024-11-18";
WHILE users <= 100 DO
SET logs = FLOOR(1+(RAND()*20));
SET j=1;
WHILE j <= logs DO
SET hours = (RAND() * (8 - 0.25)) + 0.25;
SET project = FLOOR(1+(RAND()*3));
SET curDate = DATE_ADD(curDate, INTERVAL 1 DAY);
INSERT INTO Timelog (user, project, date,time ) VALUES (users,project,curDate,hours);
SET j=j+1;
END WHILE;
SET users=users+1;
END WHILE;
END$$
DELIMITER ;