Final version

server/sql/schema.sql

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+-- MySQL schema for warehouse manager
+
+CREATE TABLE IF NOT EXISTS users (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  username VARCHAR(64) NOT NULL UNIQUE,
+  password_hash VARCHAR(255) NULL,
+  name VARCHAR(128) NOT NULL,
+  email VARCHAR(128) NOT NULL,
+  department VARCHAR(128) DEFAULT NULL,
+  position VARCHAR(128) DEFAULT NULL,
+  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS roles (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  name VARCHAR(32) NOT NULL UNIQUE
+);
+
+CREATE TABLE IF NOT EXISTS permissions (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  name VARCHAR(32) NOT NULL UNIQUE
+);
+
+CREATE TABLE IF NOT EXISTS user_roles (
+  user_id INT NOT NULL,
+  role_id INT NOT NULL,
+  PRIMARY KEY(user_id, role_id),
+  FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE,
+  FOREIGN KEY(role_id) REFERENCES roles(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS role_permissions (
+  role_id INT NOT NULL,
+  permission_id INT NOT NULL,
+  PRIMARY KEY(role_id, permission_id),
+  FOREIGN KEY(role_id) REFERENCES roles(id) ON DELETE CASCADE,
+  FOREIGN KEY(permission_id) REFERENCES permissions(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS categories (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  name VARCHAR(128) NOT NULL,
+  description TEXT,
+  icon VARCHAR(64) DEFAULT 'fas fa-tag',
+  color VARCHAR(16) DEFAULT '#2c5aa0',
+  active TINYINT(1) DEFAULT 1,
+  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS items (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  name VARCHAR(255) NOT NULL,
+  category_id INT NULL,
+  price DECIMAL(12,2) NOT NULL DEFAULT 0,
+  quantity INT NOT NULL DEFAULT 0,
+  description TEXT,
+  barcode VARCHAR(128),
+  min_quantity INT NOT NULL DEFAULT 0,
+  location VARCHAR(255),
+  supplier VARCHAR(255),
+  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  FOREIGN KEY(category_id) REFERENCES categories(id) ON DELETE SET NULL
+);
+
+CREATE TABLE IF NOT EXISTS operations (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  type ENUM('incoming','outgoing') NOT NULL,
+  item_id INT NOT NULL,
+  quantity INT NOT NULL,
+  employee_id INT NOT NULL,
+  status ENUM('completed','pending','cancelled') DEFAULT 'completed',
+  notes TEXT,
+  supplier VARCHAR(255),
+  recipient VARCHAR(255),
+  date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY(item_id) REFERENCES items(id) ON DELETE CASCADE,
+  FOREIGN KEY(employee_id) REFERENCES users(id) ON DELETE RESTRICT
+);
+
+

server/sql/seed.sql

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+-- Seed roles and permissions
+INSERT IGNORE INTO roles (id, name) VALUES
+ (1,'admin'),(2,'manager'),(3,'operator'),(4,'viewer');
+
+INSERT IGNORE INTO permissions (id, name) VALUES
+ (1,'read'),(2,'write'),(3,'delete'),(4,'admin');
+
+INSERT IGNORE INTO role_permissions (role_id, permission_id) VALUES
+ (1,1),(1,2),(1,3),(1,4), -- admin: all
+ (2,1),(2,2),             -- manager: read, write
+ (3,1),                   -- operator: read
+ (4,1);                   -- viewer: read
+
+-- Users (CHANGE THESE PASSWORDS IN PRODUCTION!)
+-- Default passwords: admin123, manager123, operator123, viewer123
+-- Use bcrypt or similar for production hashing
+INSERT INTO users (id, username, password_hash, name, email, department, position) VALUES
+ (1,'admin','admin123','Администратор','admin@company.com','IT','Системный администратор'),
+ (2,'manager','manager123','Менеджер склада','manager@company.com','Склад','Менеджер склада'),
+ (3,'operator','operator123','Оператор','operator@company.com','Склад','Оператор склада'),
+ (4,'viewer','viewer123','Наблюдатель','viewer@company.com','Бухгалтерия','Бухгалтер')
+ON DUPLICATE KEY UPDATE name=VALUES(name);
+
+INSERT IGNORE INTO user_roles (user_id, role_id) VALUES
+ (1,1), (2,2), (3,3), (4,4);
+
+-- Categories
+INSERT INTO categories (id, name, description, icon, color, active) VALUES
+ (1,'Электроника','Техника и гаджеты','fas fa-laptop','#2c5aa0',1),
+ (2,'Инструменты','Строительные и слесарные инструменты','fas fa-tools','#1a7f37',1),
+ (3,'Офис','Канцелярия и офисные товары','fas fa-briefcase','#8a2be2',1)
+ON DUPLICATE KEY UPDATE name=VALUES(name);
+
+-- Items
+INSERT INTO items (name, category_id, price, quantity, description, barcode, min_quantity, location, supplier) VALUES
+ ('Ноутбук Lenovo', 1, 65000, 10, '15.6" Ryzen 5', 'LN-12345', 2, 'Стеллаж A1', 'Lenovo'),
+ ('Шуруповерт Bosch', 2, 8500, 25, 'Аккумуляторный 18В', 'BS-98765', 5, 'Стеллаж B2', 'Bosch'),
+ ('Бумага A4', 3, 350, 200, 'Пачка 500 листов', 'A4-11111', 50, 'Стеллаж C3', 'Svetocopy');
+
+-- Sample operations (today)
+INSERT INTO operations (type, item_id, quantity, employee_id, status, notes, supplier)
+VALUES ('incoming', 1, 5, 1, 'completed', 'Поступление партии', 'Lenovo');
+