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මචංලා POS ප්‍රශ්නයක්

Lokka Bro

Lokka Bro

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  • Aug 18, 2020
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    elakiri.com
    මට බිස්නස් එකට POS සිස්ටම් එකක් ඔනා කරලා තියනවා.මම හිතුවෙ php ස්ක්‍රිප්ට් එකක් අරන් localhost එකේ දාගන්න.GPL සයිට් තියනවද POS එකක් ගන්න.මට GPL සයිට් ටිකක් දෙන්න දන්න කොල්ලො ටික.
    ලොකු උදව්වක් මිත්‍රවරුනී    ​
     
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    cocacola

    cocacola

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  • Jan 20, 2010
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    Android
    ubata coding gana hoda idea ekak thiyenawa nam uba nam business eke bill karanne, ecchara sale ekak nathi business ekak nam no issue..

    - uba yatathey wena staff ekak wada karanawa nam,
    - uba vena job ekak karanawa nam,
    - uba serious business ekak nam karanne ( retail shop etc.. )

    salli balanne nathuwa mey welawey market eke run wena pos ekak daa ganna,,,
    nikang mokatada salli denne kiyala hithei...
    habai ehema nevei...anthimata ubata business eka karanna wenne na..POS eka hada hada inna wei :)
     
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    Lokka Bro

    Lokka Bro

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    elakiri.com
    cocacola said:
    ubata coding gana hoda idea ekak thiyenawa nam uba nam business eke bill karanne, ecchara sale ekak nathi business ekak nam no issue..

    - uba yatathey wena staff ekak wada karanawa nam,
    - uba vena job ekak karanawa nam,
    - uba serious business ekak nam karanne ( retail shop etc.. )

    salli balanne nathuwa mey welawey market eke run wena pos ekak daa ganna,,,
    nikang mokatada salli denne kiyala hithei...
    habai ehema nevei...anthimata ubata business eka karanna wenne na..POS eka hada hada inna wei :)
    Click to expand...
    තවම පටන් ගැන්ම මචන්.ලොකු මුදලක් pos එකට යට කරන්නෙ නැතුව ඉන්න බැලුවෙ මේ වෙලාවේ.දැනට php එකකින් රන් කරලා පස්සෙ pos එකකට යනවා
     
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    Martian Professor

    Martian Professor

    Well-known member
  • Dec 4, 2024
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    Lokka Bro said:
    තවම පටන් ගැන්ම මචන්.ලොකු මුදලක් pos එකට යට කරන්නෙ නැතුව ඉන්න බැලුවෙ මේ වෙලාවේ.දැනට php එකකින් රන් කරලා පස්සෙ pos එකකට යනවා
    Click to expand...
    Mail eka daanna..mama php Script ekk dennam
     
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    V

    VimangaLK

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  • Sep 26, 2024
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    PHP: 
    <?php
// Configuration and Database Connection
require_once 'config/database.php';
require_once 'config/session.php';

// Autoload Classes
spl_autoload_register(function($class) {
    $directories = [
        'models/',
        'controllers/',
        'services/'
    ];
    
    foreach ($directories as $directory) {
        $filename = $directory . $class . '.php';
        if (file_exists($filename)) {
            require_once $filename;
            return;
        }
    }
});

// Main Application Class
class POSApplication {
    private $database;
    private $userService;
    private $productService;
    private $saleService;

    public function __construct() {
        // Initialize database connection
        $this->database = new Database();
        
        // Initialize services
        $this->userService = new UserService($this->database);
        $this->productService = new ProductService($this->database);
        $this->saleService = new SaleService($this->database);
    }

    // User Authentication
    public function authenticate($username, $password) {
        return $this->userService->login($username, $password);
    }

    // Product Management
    public function addProduct($data) {
        return $this->productService->create($data);
    }

    public function updateProduct($id, $data) {
        return $this->productService->update($id, $data);
    }

    public function deleteProduct($id) {
        return $this->productService->delete($id);
    }

    // Sale Processing
    public function processSale($saleData) {
        return $this->saleService->create($saleData);
    }

    // Reporting
    public function generateSalesReport($startDate, $endDate) {
        return $this->saleService->generateReport($startDate, $endDate);
    }
}

// Database Connection Class
class Database {
    private $host = 'localhost';
    private $username = 'root';
    private $password = '';
    private $database = 'advanced_pos';
    public $connection;

    public function __construct() {
        $this->connection = new mysqli($this->host, $this->username, $this->password, $this->database);
        
        if ($this->connection->connect_error) {
            throw new Exception("Database Connection Failed: " . $this->connection->connect_error);
        }
    }

    public function prepare($sql) {
        return $this->connection->prepare($sql);
    }

    public function beginTransaction() {
        $this->connection->begin_transaction();
    }

    public function commit() {
        $this->connection->commit();
    }

    public function rollback() {
        $this->connection->rollback();
    }
}

// User Service
class UserService {
    private $db;

    public function __construct(Database $database) {
        $this->db = $database;
    }

    public function login($username, $password) {
        $stmt = $this->db->prepare("SELECT id, username, password_hash, role FROM users WHERE username = ?");
        $stmt->bind_param("s", $username);
        $stmt->execute();
        $result = $stmt->get_result();
        
        if ($user = $result->fetch_assoc()) {
            if (password_verify($password, $user['password_hash'])) {
                // Start session and store user info
                $_SESSION['user_id'] = $user['id'];
                $_SESSION['username'] = $user['username'];
                $_SESSION['role'] = $user['role'];
                return true;
            }
        }
        return false;
    }

    public function createUser($username, $password, $role) {
        $password_hash = password_hash($password, PASSWORD_BCRYPT);
        $stmt = $this->db->prepare("INSERT INTO users (username, password_hash, role) VALUES (?, ?, ?)");
        $stmt->bind_param("sss", $username, $password_hash, $role);
        return $stmt->execute();
    }
}

// Product Service
class ProductService {
    private $db;

    public function __construct(Database $database) {
        $this->db = $database;
    }

    public function create($productData) {
        $stmt = $this->db->prepare("
            INSERT INTO products
            (name, description, price, cost_price, category_id, stock_quantity, barcode)
            VALUES (?, ?, ?, ?, ?, ?, ?)
        ");
        $stmt->bind_param(
            "ssddiss",
            $productData['name'],
            $productData['description'],
            $productData['price'],
            $productData['cost_price'],
            $productData['category_id'],
            $productData['stock_quantity'],
            $productData['barcode']
        );
        return $stmt->execute();
    }

    public function update($productId, $productData) {
        $stmt = $this->db->prepare("
            UPDATE products
            SET name = ?, description = ?, price = ?, cost_price = ?,
                category_id = ?, stock_quantity = ?, barcode = ?
            WHERE id = ?
        ");
        $stmt->bind_param(
            "ssddissi",
            $productData['name'],
            $productData['description'],
            $productData['price'],
            $productData['cost_price'],
            $productData['category_id'],
            $productData['stock_quantity'],
            $productData['barcode'],
            $productId
        );
        return $stmt->execute();
    }

    public function delete($productId) {
        $stmt = $this->db->prepare("DELETE FROM products WHERE id = ?");
        $stmt->bind_param("i", $productId);
        return $stmt->execute();
    }

    public function getProductByBarcode($barcode) {
        $stmt = $this->db->prepare("SELECT * FROM products WHERE barcode = ?");
        $stmt->bind_param("s", $barcode);
        $stmt->execute();
        return $stmt->get_result()->fetch_assoc();
    }
}

// Sale Service
class SaleService {
    private $db;

    public function __construct(Database $database) {
        $this->db = $database;
    }

    public function create($saleData) {
        try {
            // Start transaction
            $this->db->beginTransaction();

            // Insert sale master record
            $stmt = $this->db->prepare("
                INSERT INTO sales
                (user_id, total_amount, payment_method, sale_date)
                VALUES (?, ?, ?, NOW())
            ");
            $stmt->bind_param(
                "ids",
                $saleData['user_id'],
                $saleData['total_amount'],
                $saleData['payment_method']
            );
            $stmt->execute();
            $sale_id = $stmt->insert_id;

            // Insert sale items
            $itemStmt = $this->db->prepare("
                INSERT INTO sale_items
                (sale_id, product_id, quantity, unit_price)
                VALUES (?, ?, ?, ?)
            ");

            foreach ($saleData['items'] as $item) {
                $itemStmt->bind_param(
                    "iid",
                    $sale_id,
                    $item['product_id'],
                    $item['quantity'],
                    $item['unit_price']
                );
                $itemStmt->execute();

                // Update product stock
                $updateStockStmt = $this->db->prepare("
                    UPDATE products
                    SET stock_quantity = stock_quantity - ?
                    WHERE id = ?
                ");
                $updateStockStmt->bind_param("ii", $item['quantity'], $item['product_id']);
                $updateStockStmt->execute();
            }

            // Commit transaction
            $this->db->commit();
            return $sale_id;
        } catch (Exception $e) {
            // Rollback in case of error
            $this->db->rollback();
            throw $e;
        }
    }

    public function generateReport($startDate, $endDate) {
        $stmt = $this->db->prepare("
            SELECT
                p.name AS product_name,
                SUM(si.quantity) AS total_quantity,
                SUM(si.quantity * si.unit_price) AS total_revenue
            FROM sales s
            JOIN sale_items si ON s.id = si.sale_id
            JOIN products p ON si.product_id = p.id
            WHERE s.sale_date BETWEEN ? AND ?
            GROUP BY p.id
        ");
        $stmt->bind_param("ss", $startDate, $endDate);
        $stmt->execute();
        return $stmt->get_result()->fetch_all(MYSQLI_ASSOC);
    }
}

// Usage Example
try {
    $pos = new POSApplication();

    // Example: User Authentication
    if ($pos->authenticate('admin', 'password123')) {
        // Example: Add a Product
        $productData = [
            'name' => 'Smart Phone',
            'description' => 'Latest model smartphone',
            'price' => 50000,
            'cost_price' => 40000,
            'category_id' => 1,
            'stock_quantity' => 50,
            'barcode' => '123456789'
        ];
        $pos->addProduct($productData);

        // Example: Process a Sale
        $saleData = [
            'user_id' => 1,
            'total_amount' => 100000,
            'payment_method' => 'cash',
            'items' => [
                [
                    'product_id' => 1,
                    'quantity' => 2,
                    'unit_price' => 50000
                ]
            ]
        ];
        $saleId = $pos->processSale($saleData);

        // Example: Generate Sales Report
        $report = $pos->generateSalesReport('2024-01-01', '2024-12-31');
    }
} catch (Exception $e) {
    // Error Handling
    error_log($e->getMessage());
}
?>
     
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    XibitZ

    XibitZ

    Well-known member
  • Oct 10, 2008
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    Moratuwa
    මම දැක්ක විදියට ගොඩක් ඒවල තියෙන්නේ SDB බැන්ක් එකේ ඒවා
     
    XibitZ

    XibitZ

    Well-known member
  • Oct 10, 2008
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    Moratuwa
    Lokka Bro said:
    නිකමට ලින්ක් එකට ගියා.සයිට් එක වත් වැඩ නෑ කියහන්කො :lol:
    Click to expand...

    මුංගේ මොකක් හරි වාසියක් ඇති. මම කාඩ් පේමන්ට් කරපු ගොඩක් තැන්වල උන්ගේ ඒවා තමයි තිබ්බේ
     
    madboyxxx

    madboyxxx

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  • Feb 22, 2010
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    Kandy
    ලංකාවේ මගුල් නම් ගන්න එපා.. CodeCanyon එකෙන් rating තියන script එකක් අරන් දාගන්න.
    මන් use කරේ මේක - iRestora PLUS
     
    mdrc111

    mdrc111

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  • Oct 13, 2009
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    දක්ශින දේශය
    මම github ඒකේ ඒ්වා දාන්න හැදුව හරි ගියේ නැහැ
    උදව් කරන්න පුලුවන් දාගන්න
    දැනට මම aronium පාවිච්චි කරන්නෙ
     

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