develop (#2)

Changed namespaces and added Query Builder

Co-authored-by: Juan Pablo Vial <jpvial@goacegroup.com>
Reviewed-on: #2

src/Implement/ResultSet.php

@@ -0,0 +1,81 @@
+<?php
+namespace Database\Implement;
+
+use PDO;
+use PDOStatement;
+use Database\Define;
+use Database\Exception\Database\BlankResult;
+
+class ResultSet implements Define\Database\ResultSet
+{
+    public function __construct(PDOStatement $statement)
+    {
+        $this->setStatement($statement);
+    }
+
+    protected PDOStatement $statement;
+
+    public function getStatement(): PDOStatement
+    {
+        return $this->statement;
+    }
+    protected function setStatement(PDOStatement $statement): self
+    {
+        $this->statement = $statement;
+        return $this;
+    }
+
+    public function execute(array $data): self
+    {
+        $this->statement->execute($data);
+        return $this;
+    }
+
+    /**
+     * @return PDOStatement
+     * @throws BlankResult
+     */
+    protected function checkResults(): PDOStatement
+    {
+        if ($this->getStatement()->rowCount() === 0) {
+            throw new BlankResult(query: $this->getStatement()->queryString);
+        }
+        return $this->getStatement();
+    }
+
+    /**
+     * @return array
+     * @throws BlankResult
+     */
+    public function fetchFirst(): array
+    {
+        return $this->checkResults()->fetch(PDO::FETCH_ASSOC);
+    }
+
+    /**
+     * @return array
+     * @throws BlankResult
+     */
+    public function fetchAll(): array
+    {
+        return $this->checkResults()->fetchAll(PDO::FETCH_ASSOC);
+    }
+
+    /**
+     * @return object
+     * @throws BlankResult
+     */
+    public function fetchFirstAsObject(): object
+    {
+        return $this->checkResults()->fetch(PDO::FETCH_OBJ);
+    }
+
+    /**
+     * @return array
+     * @throws BlankResult
+     */
+    public function fetchAllAsObjects(): array
+    {
+        return $this->checkResults()->fetchAll(PDO::FETCH_OBJ);
+    }
+}