Namespaces changes

src/Define/Database.php

@@ -0,0 +1,18 @@
+<?php
+namespace Database\Define;
+
+interface Database
+{
+    public function getHost(): string;
+    public function getPort(): int|bool;
+    public function getName(): string;
+    public function getUser(): string;
+    public function getPassword(): string;
+    public function needsUser(): bool;
+    public function setHost(string $host): self;
+    public function setPort(int $port): self;
+    public function setName(string $name): self;
+    public function setUser(string $username): self;
+    public function setPassword(string $password): self;
+    public function getDsn(): string;
+}

src/Define/Database/Connection.php

@@ -0,0 +1,40 @@
+<?php
+namespace Database\Define\Database;
+
+use Database\Exception\Database\InvalidQuery;
+use PDO;
+use PDOException;
+
+interface Connection
+{
+    /**
+     * @return self
+     * @throws PDOException
+     */
+    public function connect(): self;
+    public function getPDO(): PDO;
+
+    public function transaction(): Transaction;
+
+    /**
+     * @param string $query
+     * @return ResultSet
+     * @throws InvalidQuery
+     */
+    public function query(string $query): ResultSet;
+
+    /**
+     * @param string $query
+     * @return ResultSet
+     * @throws InvalidQuery
+     */
+    public function prepare(string $query): ResultSet;
+
+    /**
+     * @param string $query
+     * @param array|null $data
+     * @return ResultSet
+     * @throws InvalidQuery
+     */
+    public function execute(string $query, ?array $data = null): ResultSet;
+}

src/Define/Database/ResultSet.php

@@ -0,0 +1,15 @@
+<?php
+namespace Database\Define\Database;
+
+use PDOStatement;
+
+interface ResultSet
+{
+    public function getStatement(): PDOStatement;
+    public function execute(array $data): self;
+
+    public function fetchFirst(): array;
+    public function fetchAll(): array;
+    public function fetchFirstAsObject(): object;
+    public function fetchAllAsObjects(): array;
+}

src/Define/Database/Transaction.php

@@ -0,0 +1,9 @@
+<?php
+namespace Database\Define\Database;
+
+interface Transaction
+{
+    public function begin(): Transaction;
+    public function commit(): void;
+    public function rollBack(): void;
+}