134 lines
4.9 KiB
PHP
134 lines
4.9 KiB
PHP
<?php
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/**
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* A centralized place for data access for the application
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*/
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class Data {
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/**
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* Obtain a new connection to the database
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* @return SQLite3 A new connection to the database
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*/
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private static function getConnection(): SQLite3 {
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$db = new SQLite3('../data/' . DATABASE_NAME);
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$db->exec('PRAGMA foreign_keys = ON;');
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return $db;
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}
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/**
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* Make sure the expected tables exist
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*/
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public static function ensureDb(): void {
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$db = self::getConnection();
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$tables = array();
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$tableQuery = $db->query("SELECT name FROM sqlite_master WHERE type = 'table'");
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while ($table = $tableQuery->fetchArray(SQLITE3_NUM)) $tables[] = $table[0];
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if (!in_array('frc_user', $tables)) {
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$query = <<<'SQL'
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CREATE TABLE frc_user (
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id INTEGER NOT NULL PRIMARY KEY,
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email TEXT NOT NULL,
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password TEXT NOT NULL)
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SQL;
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$db->exec($query);
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$db->exec('CREATE INDEX idx_user_email ON frc_user (email)');
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}
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if (!in_array('feed', $tables)) {
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$query = <<<'SQL'
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CREATE TABLE feed (
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id INTEGER NOT NULL PRIMARY KEY,
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user_id INTEGER NOT NULL,
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url TEXT NOT NULL,
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title TEXT,
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updated_on TEXT,
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checked_on TEXT,
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FOREIGN KEY (user_id) REFERENCES frc_user (id))
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SQL;
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$db->exec($query);
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}
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if (!in_array('item', $tables)) {
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$query = <<<'SQL'
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CREATE TABLE item (
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id INTEGER NOT NULL PRIMARY KEY,
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feed_id INTEGER NOT NULL,
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title TEXT NOT NULL,
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published_on TEXT NOT NULL,
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updated_on TEXT,
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content TEXT NOT NULL,
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is_encoded BOOLEAN NOT NULL,
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is_read BOOLEAN NOT NULL,
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is_bookmarked BOOLEAN NOT NULL,
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FOREIGN KEY (feed_id) REFERENCES feed (id))
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SQL;
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$db->exec($query);
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}
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$db->close();
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}
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/**
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* Find a user by their ID
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*
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* @param string $email The e-mail address of the user to retrieve
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* @return array|null The user information, or null if the user is not found
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*/
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public static function findUserByEmail(string $email): ?array {
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$db = self::getConnection();
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$query = $db->prepare('SELECT * FROM frc_user WHERE email = :email');
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$query->bindValue(':email', $email);
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$result = $query->execute();
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if ($result) {
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$user = $result->fetchArray(SQLITE3_ASSOC);
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if ($user) return $user;
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return null;
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}
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return null;
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}
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/**
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* Add a user
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*
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* @param string $email The e-mail address for the user
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* @param string $password The user's password
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*/
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public static function addUser(string $email, string $password): void {
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$db = self::getConnection();
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$query = $db->prepare('INSERT INTO frc_user (email, password) VALUES (:email, :password)');
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$query->bindValue(':email', $email);
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$query->bindValue(':password', password_hash($password, PASSWORD_DEFAULT));
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$query->execute();
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}
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/**
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* Add an RSS feed
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* @param string $url The URL for the RSS feed
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* @param string $title The title of the RSS feed
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* @param string $updatedOn The date/time the RSS feed was last updated (from the XML, not when we checked)
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* @return int The ID of the added feed
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*/
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public static function addFeed(string $url, string $title, string $updatedOn): int {
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$db = self::getConnection();
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if ($updatedOn) {
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try {
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$updated = (new DateTimeImmutable($updatedOn))->format(DateTimeInterface::ATOM);
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} catch (Exception $ex) {
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$updated = null;
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}
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} else {
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$updated = null;
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}
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$query = $db->prepare('INSERT INTO feed (user_id, url, title, updated_on, checked_on)'
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. ' VALUES (:user, :url, :title, :updated, :checked)');
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$query->bindValue(':user', $_REQUEST['FRC_USER_ID']);
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$query->bindValue(':url', $url);
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$query->bindValue(':title', $title);
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$query->bindValue(':updated', $updated);
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$query->bindValue(':checked', (new DateTimeImmutable())->format(DateTimeInterface::ATOM));
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$result = $query->execute();
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if ($result) {
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$idQuery = $db->prepare('SELECT last_insert_rowid()');
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$idResult = $idQuery->execute();
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if ($idResult) return $idResult->fetchArray(SQLITE3_NUM)[0];
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}
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return -1;
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}
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}
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