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91 lines
2.9 KiB
91 lines
2.9 KiB
4 years ago
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<?php
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// Minh Bui
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class DatabaseAdapter
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{
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// The instance variable used in every method below.
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private $DB;
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// Connect to an existing database named 'first'
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public function __construct()
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{
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$dataBase = 'mysql:dbname=quotes;charset=utf8;host=127.0.0.1';
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$user = 'root';
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$password = '';
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try {
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$this->DB = new PDO($dataBase, $user, $password);
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$this->DB->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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} catch (PDOException $e) {
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echo ('Error establishing Connection');
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exit();
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}
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}
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// Return a PHP array of all columns in all quotations
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public function getAllQuotations() {
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$sqlStmt = $this->DB->prepare("SELECT * FROM quotations");
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$sqlStmt->execute();
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return $sqlStmt->fetchAll(PDO::FETCH_ASSOC);
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}
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// Return a PHP array of all columns in all quotations
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public function getAllUsers() {
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$sqlStmt = $this->DB->prepare("SELECT * FROM users");
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$sqlStmt->execute();
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return $sqlStmt->fetchAll(PDO::FETCH_ASSOC);
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}
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// Return true if the given string $accountName's password matches the given string $psw,
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// false if there no match or the user does not exist
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public function verifyCredentials($accountName, $psw) {
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$sqlStmt = $this->DB->prepare("SELECT username, password FROM users WHERE username='" . $accountName . "' AND password='" . $psw . "'");
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$sqlStmt->execute();
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return ! empty( $sqlStmt->fetchAll(PDO::FETCH_ASSOC) );
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}
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// Insert string $quote to the quotations table with the string $author of the quote.
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// Set rating and flagged to default values of 0. added should be set to NOW()
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public function addQuote($quote, $author) {
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$sqlStmt = $this->DB->prepare("INSERT INTO quotations(quote, added, author, rating, flagged) values('" . $quote . "', NOW(), '" . $author . "', 0, 0)");
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return $sqlStmt->execute();
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}
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// Insert a new user.
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public function addUser($accountName, $psw) {
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$sqlStmt = $this->DB->prepare("INSERT INTO users(username, password) values('" . $accountName . "', '" . $psw . "')");
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return $sqlStmt->execute();
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}
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}
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// Run as CLI console app
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//$theDBA = new DatabaseAdapter();
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// Testing code that should not be run when a part of MVC
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//$theDBA->addUser('Dakota','abcd');
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//$theDBA->addQuote('Mine too', 'Devon');
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/*
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if ($theDBA->verifyCredentials('Kim', '1234'))
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echo 'works' . PHP_EOL;
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else
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echo 'broken' . PHP_EOL;
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if (! $theDBA->verifyCredentials('Dakota', 'abXX'))
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echo 'works' . PHP_EOL;
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else
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echo 'broken' . PHP_EOL;
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if (! $theDBA->verifyCredentials('Not Here', 'abXX'))
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echo 'works' . PHP_EOL;
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else
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echo 'broken' . PHP_EOL;
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echo PHP_EOL;
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$arr = $theDBA->getAllQuotations();
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print_r($arr);
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$arr = $theDBA->getAllUsers();
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print_r($arr);
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*/
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?>
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