Initial commit
This commit is contained in:
commit
863829d291
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#header {
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display: flex;
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justify-content: space-between;
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}
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#buttons {
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display: flex;
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}
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#buttons button {
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height: 2em;
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margin: 1em;
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align-self: center;
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}
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8"/>
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<link rel="stylesheet" href="index.css"/>
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<title>Product List</title>
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</head>
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<body>
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<div id="header">
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<h1 id="title">Product List</h1>
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<div id="buttons">
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<button>ADD</button>
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<button id="delete-product-btn">MASS DELETE</button>
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</div>
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</div>
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<?php
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require 'model/product.php';
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$products = Product::selectAll();
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// TODO
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echo json_encode($products);
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?>
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</body>
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</html>
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<?php
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define("PRODUCT", "product");
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define("DVD", "dvd");
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define("BOOK", "book");
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define("FURNITURE", "furniture");
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class Database {
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const SERVERNAME = "127.0.0.1";
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const DATABASE = "scandiweb";
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const USERNAME = "root";
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const PASSWORD = "root";
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public static function connect() {
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$conn = new mysqli(self::SERVERNAME, self::USERNAME, self::PASSWORD);
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$conn->select_db(self::DATABASE);
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return $conn;
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}
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}
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trait Model {
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public abstract static function fromRow($row) : self;
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public abstract function insert($conn = NULL) : int; // should return id
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private abstract static function getSelectAllQuery() : string;
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public static function selectAll($conn = NULL) : array {
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if($conn === NULL) {
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$conn = Database::connect();
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}
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$sql = self::getSelectAllQuery();
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$rows = $conn->query($sql)->fetch_all(MYSQLI_ASSOC);
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$products = array();
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foreach($rows as $row) {
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array_push($products, self::fromRow($row));
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}
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return $products;
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}
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}
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<?php
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require_once 'db.php';
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abstract class Product implements JsonSerializable {
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use Model;
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private $variationId;
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private $SKU;
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private $name;
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private $price;
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private $productId;
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public function __construct($SKU, $name, $price, $productId = NULL, $variationId = NULL) {
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$this->productId = $productId;
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$this->variationId = $variationId;
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$this->SKU = $SKU;
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$this->name = $name;
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$this->price = $price;
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}
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public function getSKU() {
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return $this->SKU;
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}
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public function getName() {
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return $this->name;
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}
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public function getPrice() {
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return $this->price;
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}
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public function getProductId() {
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return $this->productId;
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}
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public function setVariationId($id) {
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$this->variationId = $id;
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}
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public function setProductId($id) {
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$this->productId = $id;
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}
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public abstract function getFormatedAttr();
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public static function fromRow($row) : self {
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if($row['size'] !== NULL) {
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return DVD::fromRow($row);
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} elseif($row['weight'] !== NULL) {
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return Book::fromRow($row);
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} elseif($row['height'] !== NULL) {
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return Furniture::fromRow($row);
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} else {
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throw new Exception("Product without a type");
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}
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}
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private static function getSelectAllQuery() : string {
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return 'SELECT '.PRODUCT.'.id as product_id, COALESCE('.DVD.'.id, '.BOOK.'.id, '.FURNITURE.'.id) as variation_id,
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name, sku, price, size, weight, width, height, length
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FROM '.PRODUCT.'
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LEFT JOIN '.DVD.' ON '.PRODUCT.'.id = '.DVD.'.product_id
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LEFT JOIN '.BOOK.' ON '.PRODUCT.'.id = '.BOOK.'.product_id
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LEFT JOIN '.FURNITURE.' ON '.PRODUCT.'.id = '.FURNITURE.'.product_id;';
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}
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public function insert($conn = NULL) : int {
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if($conn === NULL) {
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$conn = Database::connect();
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}
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$SKU = $this->getSKU();
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$name = $this->getName();
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$price = $this->getPrice();
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$stmt = $conn->prepare("INSERT INTO ".PRODUCT." (sku, name, price) VALUES (?, ?, ?);");
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$stmt->bind_param('ssd', $SKU, $name, $price);
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if($stmt->execute() === TRUE) {
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$this->setProductId($conn->insert_id);
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return $conn->insert_id;
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} else {
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throw new Exception("Unable to insert object");
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}
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}
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public function jsonSerialize() : mixed {
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return [
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'sku' => $this->getSKU(),
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'name' => $this->getName(),
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'price' => $this->getPrice(),
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'attribute' => $this->getFormatedAttr()
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];
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}
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}
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class DVD extends Product {
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private $size;
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public function __construct($sku, $name, $price, $size, $productId = null, $variationId = null) {
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parent::__construct($sku, $name, $price, $productId, $variationId);
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$this->size = $size;
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}
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public static function fromRow($row) : self {
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return new DVD($row['sku'], $row['name'], $row['price'], $row['size'], $row['product_id'], $row['variation_id']);
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}
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public function getSize() {
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return $this->size;
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}
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public function getFormatedAttr() {
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$size = $this->getSize();
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return "Size: $size MB";
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}
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private static function getSelectAllQuery() : string {
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return 'SELECT '.PRODUCT.'.*, '.DVD.'.id as variation_id, size
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FROM '.PRODUCT.' LEFT JOIN '.DVD.' ON '.PRODUCT.'.id = '.DVD.'.product_id';
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}
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public function insert($conn = NULL) : int {
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if($conn === NULL) {
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$conn = Database::connect();
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}
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if($this->getProductId() === NULL) {
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parent::insert($conn);
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}
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$productId = $this->getProductId();
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$size = $this->getSize();
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$stmt = $conn->prepare("INSERT INTO ".DVD." (product_id, size) VALUES (?, ?);");
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$stmt->bind_param('ii', $productId, $size);
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if($stmt->execute() === TRUE) {
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$this->setVariationId($conn->insert_id);
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return $conn->insert_id;
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} else {
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throw new Exception("Unable to insert object");
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}
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}
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}
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class Book extends Product {
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private $weight;
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public function __construct($sku, $name, $price, $weight, $productId = null, $variationId = null) {
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parent::__construct($sku, $name, $price, $productId, $variationId);
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$this->weight = $weight;
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}
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public static function fromRow($row) : self {
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return new Book($row['sku'], $row['name'], $row['price'], $row['weight'], $row['product_id'], $row['variation_id']);
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}
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public function getWeight() {
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return $this->weight;
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}
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public function getFormatedAttr() {
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$weight = $this->getWeight();
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return "Weight: $weight KG";
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}
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private static function getSelectAllQuery() : string {
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return 'SELECT '.PRODUCT.'.*, '.BOOK.'.id as variation_id, size
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FROM '.PRODUCT.' LEFT JOIN '.BOOK.' ON '.PRODUCT.'.id = '.BOOK.'.product_id';
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}
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public function insert($conn = NULL) : int {
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if($conn === NULL) {
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$conn = Database::connect();
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}
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if($this->getProductId() === NULL) {
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parent::insert($conn);
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}
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$productId = $this->getProductId();
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$weight = $this->getWeight();
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$stmt = $conn->prepare("INSERT INTO ".BOOK." (product_id, weight) VALUES (?, ?);");
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$stmt->bind_param('id', $productId, $weight);
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if($stmt->execute() === TRUE) {
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$this->setVariationId($conn->insert_id);
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return $conn->insert_id;
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} else {
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throw new Exception("Unable to insert object");
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}
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}
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}
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class Furniture extends Product {
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private $height;
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private $width;
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private $length;
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public function __construct($SKU, $name, $price, $height, $width, $length, $productId = NULL, $variationId = NULL) {
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parent::__construct($SKU, $name, $price, $productId, $variationId);
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$this->height = $height;
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$this->width = $width;
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$this->length = $length;
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}
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public static function fromRow($row) : self {
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return new Furniture($row['sku'], $row['name'], $row['price'], $row['height'],
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$row['width'], $row['length'], $row['product_id'], $row['variation_id']);
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}
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public function getHeight() {
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return $this->height;
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}
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public function getWidth() {
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return $this->width;
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}
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public function getLength() {
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return $this->length;
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}
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public function getFormatedAttr() {
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$height = $this->getHeight();
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$width = $this->getWidth();
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$length = $this->getLength();
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return 'Dimension: '.$height.'x'.$width.'x'.$length;
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}
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private static function getSelectAllQuery() : string {
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return 'SELECT '.PRODUCT.'.*, '.FURNITURE.'.id as variation_id, size
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FROM '.PRODUCT.' LEFT JOIN '.FURNITURE.' ON '.PRODUCT.'.id = '.FURNITURE.'.product_id';
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}
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public function insert($conn = NULL) : int {
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if($conn === NULL) {
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$conn = Database::connect();
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}
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if($this->getProductId() === NULL) {
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parent::insert($conn);
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}
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$productId = $this->getProductId();
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$height = $this->getHeight();
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$width = $this->getWidth();
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$length = $this->getLength();
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$stmt = $conn->prepare("INSERT INTO ".FURNITURE." (product_id, height, width, length) VALUES (?, ?, ?, ?);");
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$stmt->bind_param('iddd', $productId, $height, $width, $length);
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if($stmt->execute() === TRUE) {
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$this->setVariationId($conn->insert_id);
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return $conn->insert_id;
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} else {
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throw new Exception("Unable to insert object");
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}
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}
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}
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