Files
minicrm/database.js
2025-12-14 13:31:28 +05:00

282 lines
9.7 KiB
JavaScript

const sqlite3 = require('sqlite3').verbose();
const path = require('path');
const fs = require('fs');
require('dotenv').config();
const dataDir = path.join(__dirname, 'data');
const createDirIfNotExists = (dirPath) => {
if (!fs.existsSync(dirPath)) {
fs.mkdirSync(dirPath, { recursive: true });
}
};
createDirIfNotExists(dataDir);
const dbPath = path.join(dataDir, 'school_crm.db');
const uploadsDir = path.join(dataDir, 'uploads');
const tasksDir = path.join(uploadsDir, 'tasks');
const logsDir = path.join(dataDir, 'logs');
createDirIfNotExists(uploadsDir);
createDirIfNotExists(tasksDir);
createDirIfNotExists(logsDir);
const db = new sqlite3.Database(dbPath, (err) => {
if (err) {
console.error('Ошибка подключения к БД:', err.message);
} else {
console.log('Подключение к SQLite установлено');
console.log('База данных расположена:', dbPath);
initializeDatabase();
}
});
function initializeDatabase() {
db.run(`CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
login TEXT UNIQUE NOT NULL,
password TEXT,
name TEXT NOT NULL,
email TEXT UNIQUE NOT NULL,
role TEXT DEFAULT 'teacher',
auth_type TEXT DEFAULT 'local',
groups TEXT,
description TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
last_login DATETIME,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
)`);
db.run(`CREATE TABLE IF NOT EXISTS tasks (
id INTEGER PRIMARY KEY AUTOINCREMENT,
title TEXT NOT NULL,
description TEXT,
status TEXT DEFAULT 'active',
created_by INTEGER NOT NULL,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
deleted_at DATETIME,
deleted_by INTEGER,
original_task_id INTEGER,
start_date DATETIME,
due_date DATETIME,
rework_comment TEXT,
closed_at DATETIME,
closed_by INTEGER,
FOREIGN KEY (created_by) REFERENCES users (id),
FOREIGN KEY (deleted_by) REFERENCES users (id),
FOREIGN KEY (original_task_id) REFERENCES tasks (id),
FOREIGN KEY (closed_by) REFERENCES users (id)
)`);
db.run(`CREATE TABLE IF NOT EXISTS task_assignments (
id INTEGER PRIMARY KEY AUTOINCREMENT,
task_id INTEGER NOT NULL,
user_id INTEGER NOT NULL,
status TEXT DEFAULT 'assigned',
start_date DATETIME,
due_date DATETIME,
rework_comment TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (task_id) REFERENCES tasks (id),
FOREIGN KEY (user_id) REFERENCES users (id)
)`);
db.run(`CREATE TABLE IF NOT EXISTS task_files (
id INTEGER PRIMARY KEY AUTOINCREMENT,
task_id INTEGER NOT NULL,
user_id INTEGER NOT NULL,
filename TEXT NOT NULL,
original_name TEXT NOT NULL,
file_path TEXT NOT NULL,
file_size INTEGER NOT NULL,
uploaded_at DATETIME DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (task_id) REFERENCES tasks (id),
FOREIGN KEY (user_id) REFERENCES users (id)
)`);
db.run(`CREATE TABLE IF NOT EXISTS activity_logs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
task_id INTEGER NOT NULL,
user_id INTEGER NOT NULL,
action TEXT NOT NULL,
details TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (task_id) REFERENCES tasks (id),
FOREIGN KEY (user_id) REFERENCES users (id)
)`);
db.run(`CREATE TABLE IF NOT EXISTS notification_logs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
notification_key TEXT NOT NULL,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
)`);
console.log('База данных инициализирована в папке data');
setTimeout(addMissingColumns, 1000);
}
function addMissingColumns() {
const columnsToAdd = [
{ table: 'tasks', column: 'rework_comment', type: 'TEXT' },
{ table: 'tasks', column: 'closed_at', type: 'DATETIME' },
{ table: 'tasks', column: 'closed_by', type: 'INTEGER' },
{ table: 'task_assignments', column: 'rework_comment', type: 'TEXT' }
];
columnsToAdd.forEach(({ table, column, type }) => {
db.all(`PRAGMA table_info(${table})`, (err, rows) => {
if (err) {
console.error(`Ошибка при проверке таблицы ${table}:`, err);
return;
}
const columnExists = rows.some(row => row.name === column);
if (!columnExists) {
db.run(`ALTER TABLE ${table} ADD COLUMN ${column} ${type}`, (err) => {
if (err) {
console.error(`Ошибка при добавлении колонки ${column} в таблицу ${table}:`, err);
} else {
console.log(`✅ Добавлена колонка ${column} в таблицу ${table}`);
}
});
} else {
console.log(`✅ Колонка ${column} уже существует в таблице ${table}`);
}
});
});
}
function createTaskFolder(taskId) {
const taskFolder = path.join(tasksDir, taskId.toString());
createDirIfNotExists(taskFolder);
return taskFolder;
}
function createUserTaskFolder(taskId, userLogin) {
const taskFolder = path.join(tasksDir, taskId.toString());
const userFolder = path.join(taskFolder, userLogin);
createDirIfNotExists(userFolder);
return userFolder;
}
function saveTaskMetadata(taskId, title, description, createdBy, originalTaskId = null, startDate = null, dueDate = null) {
const taskFolder = createTaskFolder(taskId);
const metadata = {
id: taskId,
title: title,
description: description,
status: 'active',
created_by: createdBy,
original_task_id: originalTaskId,
start_date: startDate,
due_date: dueDate,
created_at: new Date().toISOString(),
updated_at: new Date().toISOString(),
files: []
};
const metadataPath = path.join(taskFolder, 'task.json');
fs.writeFileSync(metadataPath, JSON.stringify(metadata, null, 2));
}
function updateTaskMetadata(taskId, updates) {
const metadataPath = path.join(tasksDir, taskId.toString(), 'task.json');
if (fs.existsSync(metadataPath)) {
const metadata = JSON.parse(fs.readFileSync(metadataPath, 'utf8'));
const updatedMetadata = { ...metadata, ...updates, updated_at: new Date().toISOString() };
fs.writeFileSync(metadataPath, JSON.stringify(updatedMetadata, null, 2));
}
}
function logActivity(taskId, userId, action, details = '') {
db.run(
"INSERT INTO activity_logs (task_id, user_id, action, details) VALUES (?, ?, ?, ?)",
[taskId, userId, action, details]
);
const logEntry = `${new Date().toISOString()} - User ${userId}: ${action} - Task ${taskId} - ${details}\n`;
fs.appendFileSync(path.join(logsDir, 'activity.log'), logEntry);
}
function checkTaskAccess(userId, taskId, callback) {
db.get("SELECT role FROM users WHERE id = ?", [userId], (err, user) => {
if (err) {
callback(err, false);
return;
}
if (user && user.role === 'admin') {
callback(null, true);
return;
}
db.get("SELECT status, created_by, closed_at FROM tasks WHERE id = ?", [taskId], (err, task) => {
if (err || !task) {
callback(err, false);
return;
}
if (task.closed_at && task.created_by !== userId && user.role !== 'admin') {
callback(null, false);
return;
}
const query = `
SELECT 1 FROM tasks t
WHERE t.id = ? AND (
t.created_by = ?
OR EXISTS (SELECT 1 FROM task_assignments WHERE task_id = t.id AND user_id = ?)
)
`;
db.get(query, [taskId, userId, userId], (err, row) => {
callback(err, !!row);
});
});
});
}
function checkOverdueTasks() {
const now = new Date().toISOString();
const query = `
SELECT ta.id, ta.task_id, ta.user_id, ta.status, ta.due_date
FROM task_assignments ta
JOIN tasks t ON ta.task_id = t.id
WHERE ta.due_date IS NOT NULL
AND ta.due_date < ?
AND ta.status NOT IN ('completed', 'overdue')
AND t.status = 'active'
AND t.closed_at IS NULL
`;
db.all(query, [now], (err, assignments) => {
if (err) {
console.error('Ошибка при проверке просроченных задач:', err);
return;
}
assignments.forEach(assignment => {
db.run(
"UPDATE task_assignments SET status = 'overdue' WHERE id = ?",
[assignment.id]
);
logActivity(assignment.task_id, assignment.user_id, 'STATUS_CHANGED', 'Задача просрочена');
});
});
}
setInterval(checkOverdueTasks, 60000);
module.exports = {
db,
logActivity,
createTaskFolder,
createUserTaskFolder,
saveTaskMetadata,
updateTaskMetadata,
checkTaskAccess
};