create: admin.html, admin.js, help.html, index.html, info.html, info.js, login.html, main.js, style.css, auth.js, package.json, server.js, sqllite.js
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Калугин Олег Александрович
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GitVerse
GitVerse
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458b1fa927
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180
sqllite.js
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180
sqllite.js
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const sqlite3 = require('sqlite3').verbose();
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const path = require('path');
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const fs = require('fs');
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const dbPath = path.join(__dirname, 'data', 'school.db');
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const dataDir = path.join(__dirname, 'data');
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if (!fs.existsSync(dataDir)) {
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fs.mkdirSync(dataDir);
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}
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const db = new sqlite3.Database(dbPath);
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// Инициализация таблиц
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db.serialize(() => {
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db.run(`
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CREATE TABLE IF NOT EXISTS lessons (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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class_name TEXT NOT NULL,
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parallel INTEGER NOT NULL,
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subject TEXT NOT NULL,
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teacher TEXT NOT NULL,
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topic TEXT,
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max_slots INTEGER NOT NULL DEFAULT 4,
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current_slots INTEGER NOT NULL DEFAULT 0,
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date TEXT NOT NULL,
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time TEXT NOT NULL
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)
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`);
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db.run(`
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CREATE TABLE IF NOT EXISTS registrations (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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lesson_id INTEGER NOT NULL,
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parent_name TEXT NOT NULL,
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parent_phone TEXT NOT NULL,
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created_at TEXT DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (lesson_id) REFERENCES lessons(id) ON DELETE CASCADE
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)
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`);
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});
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function runQuery(sql, params = []) {
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return new Promise((resolve, reject) => {
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db.run(sql, params, function(err) {
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if (err) reject(err);
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else resolve(this);
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});
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});
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}
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function getQuery(sql, params = []) {
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return new Promise((resolve, reject) => {
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db.get(sql, params, (err, row) => {
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if (err) reject(err);
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else resolve(row);
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});
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});
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}
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function allQuery(sql, params = []) {
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return new Promise((resolve, reject) => {
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db.all(sql, params, (err, rows) => {
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if (err) reject(err);
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else resolve(rows);
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});
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});
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}
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module.exports = {
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db,
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runQuery,
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getQuery,
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allQuery,
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getLessons: (filter = {}) => {
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let sql = 'SELECT * FROM lessons WHERE 1=1';
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const params = [];
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if (filter.class_name) {
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sql += ' AND class_name LIKE ?';
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params.push(`%${filter.class_name}%`);
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}
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if (filter.parallel) {
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sql += ' AND parallel = ?';
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params.push(filter.parallel);
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}
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if (filter.teacher) {
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sql += ' AND teacher LIKE ?';
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params.push(`%${filter.teacher}%`);
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}
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if (filter.topic) {
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sql += ' AND topic LIKE ?';
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params.push(`%${filter.topic}%`);
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}
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sql += ' ORDER BY parallel, class_name, time';
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return allQuery(sql, params);
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},
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getLessonById: (id) => {
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return getQuery('SELECT * FROM lessons WHERE id = ?', [id]);
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},
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createLesson: (lesson) => {
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const { class_name, parallel, subject, teacher, topic, max_slots, date, time } = lesson;
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return runQuery(
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`INSERT INTO lessons (class_name, parallel, subject, teacher, topic, max_slots, current_slots, date, time)
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VALUES (?, ?, ?, ?, ?, ?, 0, ?, ?)`,
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[class_name, parallel, subject, teacher, topic || '', max_slots, date, time]
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).then(result => result.lastID);
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},
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updateLesson: (id, lesson) => {
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const { class_name, parallel, subject, teacher, topic, max_slots, date, time } = lesson;
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return runQuery(
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`UPDATE lessons SET class_name=?, parallel=?, subject=?, teacher=?, topic=?, max_slots=?, date=?, time=? WHERE id=?`,
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[class_name, parallel, subject, teacher, topic || '', max_slots, date, time, id]
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);
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},
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deleteLesson: (id) => {
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return runQuery('DELETE FROM lessons WHERE id = ?', [id]);
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},
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incrementCurrentSlots: (lessonId) => {
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return runQuery(
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`UPDATE lessons SET current_slots = current_slots + 1 WHERE id = ? AND current_slots < max_slots`,
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[lessonId]
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);
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},
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addRegistration: (lessonId, parentName, parentPhone) => {
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return runQuery(
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`INSERT INTO registrations (lesson_id, parent_name, parent_phone) VALUES (?, ?, ?)`,
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[lessonId, parentName, parentPhone]
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);
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},
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getRegistrationsByLesson: (lessonId) => {
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return allQuery('SELECT * FROM registrations WHERE lesson_id = ? ORDER BY created_at DESC', [lessonId]);
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},
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getAllRegistrations: () => {
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return allQuery(`
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SELECT r.*, l.class_name, l.subject, l.teacher, l.date, l.time
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FROM registrations r
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JOIN lessons l ON r.lesson_id = l.id
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ORDER BY r.created_at DESC
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`);
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},
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// Новая функция для фильтрации записей на странице /info
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getRegistrationsWithFilters: (filters) => {
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let sql = `
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SELECT r.id, r.parent_name, r.parent_phone, r.created_at,
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l.class_name, l.subject, l.teacher, l.topic, l.date, l.time
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FROM registrations r
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JOIN lessons l ON r.lesson_id = l.id
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WHERE 1=1
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`;
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const params = [];
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if (filters.parent_name) {
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sql += ' AND r.parent_name LIKE ?';
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params.push(`%${filters.parent_name}%`);
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}
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if (filters.class_name) {
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sql += ' AND l.class_name LIKE ?';
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params.push(`%${filters.class_name}%`);
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}
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if (filters.subject) {
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sql += ' AND l.subject LIKE ?';
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params.push(`%${filters.subject}%`);
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}
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if (filters.teacher) {
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sql += ' AND l.teacher LIKE ?';
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params.push(`%${filters.teacher}%`);
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}
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sql += ' ORDER BY r.created_at DESC';
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return allQuery(sql, params);
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}
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};
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