121 lines
3.1 KiB
PHP
121 lines
3.1 KiB
PHP
<?php
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require_once 'dao.php';
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class ZapetteHandler
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{
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private $valid_actions = ["scan", "validate",];
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private $action;
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private $data;
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private $given_password;
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private $dao;
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private $password;
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private $responseArray = array(
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"status" => 0,
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"message" => "Success",
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"data" => "",
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);
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public function __construct($post)
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{
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$this->read_password();
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$this->given_password = $this->get_password($post);
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$this->action = $this->get_action($post);
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$this->data = $this->get_data($post);
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$this->dao = new Dao();
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}
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public function do_action()
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{
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$result = "";
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if ($this->is_password_valid()) {
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if ($this->action == "scan") {
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$result = $this->get_scanned_article();
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if (sizeof($result) == 0)
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$this->setUnknownCodeErrorResponse();
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} else if ($this->action == "validate") {
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$result = $this->update_stock();
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if (!$result)
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$this->setUpdateStockErrorResponse();
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}
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} else {
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$this->setWrongPasswordErrorResponse();
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}
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$this->responseArray["data"] = $result;
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return $this->responseArray;
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}
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private function read_password() {
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$real_path = __DIR__ . "/.htpasszapette";
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$fp = fopen($real_path, 'r');
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$this->password = trim(fread($fp, filesize($real_path)));
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fclose($fp);
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}
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private function is_password_valid() {
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return $this->given_password == $this->password;
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}
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private function get_scanned_article() {
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$article = [];
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if ($this->data != "") {
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$article = $this->dao->get_article_of_code($this->data);
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}
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return $article;
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}
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private function update_stock() {
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$result = false;
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if ($this->data != "") {
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foreach ($this->data as $row) {
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$result = $this->dao->update_article_stock($row["id"], $row["quantity"]);
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}
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}
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return $result;
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}
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function setWrongPasswordErrorResponse()
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{
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$this->responseArray["status"] = 1;
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$this->responseArray["message"] = "Error: Wrong password";
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}
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function setUnknownCodeErrorResponse()
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{
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$this->responseArray["status"] = 2;
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$this->responseArray["message"] = "Error: Unknown code scanned";
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}
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function setUpdateStockErrorResponse()
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{
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$this->responseArray["status"] = 3;
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$this->responseArray["message"] = "Error: Impossible to update stock";
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}
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private function get_action($inputData)
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{
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if (!in_array($inputData["action"], $this->valid_actions))
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return "";
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else
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return $inputData["action"];
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}
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private function get_data($inputData)
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{
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if ($inputData["data"] == null)
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return "";
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else
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return $inputData["data"];
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}
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private function get_password($inputData)
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{
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if ($inputData["password"] == null)
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return "";
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else
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return $inputData["password"];
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}
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}
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