36036-vm/db/migrations/001_initial_schema.sql
Flatlogic Bot e112ad7b40 Salaam 1.1
2025-11-22 16:45:55 +00:00

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3.4 KiB
SQL

CREATE TABLE IF NOT EXISTS `products` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`name` VARCHAR(255) NOT NULL,
`sku` VARCHAR(100),
`barcode` VARCHAR(100),
`brand` VARCHAR(100),
`category` VARCHAR(100),
`unit` VARCHAR(50),
`purchase_price` DECIMAL(10, 2) NOT NULL,
`sale_price` DECIMAL(10, 2) NOT NULL,
`tax_percentage` DECIMAL(5, 2) DEFAULT 0.00,
`stock_quantity` INT NOT NULL DEFAULT 0,
`alert_quantity` INT DEFAULT 0,
`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `customers` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`name` VARCHAR(255) NOT NULL,
`email` VARCHAR(255),
`phone` VARCHAR(50),
`address` TEXT,
`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `sales` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`customer_id` INT,
`total_amount` DECIMAL(10, 2) NOT NULL,
`discount` DECIMAL(10, 2) DEFAULT 0.00,
`tax_amount` DECIMAL(10, 2) DEFAULT 0.00,
`payable_amount` DECIMAL(10, 2) NOT NULL,
`payment_method` VARCHAR(50) DEFAULT 'cash',
`sale_date` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (`customer_id`) REFERENCES `customers`(`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `sale_items` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`sale_id` INT NOT NULL,
`product_id` INT NOT NULL,
`quantity` INT NOT NULL,
`price_per_unit` DECIMAL(10, 2) NOT NULL,
`total_price` DECIMAL(10, 2) NOT NULL,
FOREIGN KEY (`sale_id`) REFERENCES `sales`(`id`) ON DELETE CASCADE,
FOREIGN KEY (`product_id`) REFERENCES `products`(`id`) ON DELETE RESTRICT
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `expenses` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`description` TEXT NOT NULL,
`amount` DECIMAL(10, 2) NOT NULL,
`expense_date` DATE,
`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `users` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`name` VARCHAR(255) NOT NULL,
`email` VARCHAR(255) NOT NULL UNIQUE,
`password` VARCHAR(255) NOT NULL,
`role` ENUM('admin', 'cashier', 'manager') DEFAULT 'cashier',
`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `suppliers` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`name` VARCHAR(255) NOT NULL,
`contact_person` VARCHAR(255),
`phone` VARCHAR(50),
`email` VARCHAR(255),
`address` TEXT,
`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `purchases` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`supplier_id` INT,
`total_amount` DECIMAL(10, 2) NOT NULL,
`purchase_date` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (`supplier_id`) REFERENCES `suppliers`(`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS `purchase_items` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`purchase_id` INT NOT NULL,
`product_id` INT NOT NULL,
`quantity` INT NOT NULL,
`price_per_unit` DECIMAL(10, 2) NOT NULL,
`total_price` DECIMAL(10, 2) NOT NULL,
FOREIGN KEY (`purchase_id`) REFERENCES `purchases`(`id`) ON DELETE CASCADE,
FOREIGN KEY (`product_id`) REFERENCES `products`(`id`) ON DELETE RESTRICT
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;