fixed routines varie

public/ddown/dropdown.php

@@ -3,10 +3,10 @@
 require_once __DIR__ . '/../../vendor/autoload.php';
 
 if (!isset($_ENV['DB_HOST'])) {
-    Dotenv\Dotenv::createImmutable(__DIR__ . '/../../')->safeLoad();
+	Dotenv\Dotenv::createImmutable(__DIR__ . '/../../')->safeLoad();
 }
 
-Class Dropdown
+class Dropdown
 {
 	private $host;
 	private $username;
@@ -22,12 +22,70 @@ Class Dropdown
 		$this->password = $_ENV['DB_PASSWORD'] ?? '';
 		$this->dbname   = $_ENV['DB_DATABASE'] ?? '';
 
-		try 
-		{
+		try {
 			$this->connection = new mysqli($this->host, $this->username, $this->password, $this->dbname);
-		} 
-		catch (Exception $e) 
-		{
+		} catch (Exception $e) {
 			echo "Connection error " . $e->getMessage();
 		}
-	}
+	}
+
+	//fetch all country records from database
+	public function fetchCountry()
+	{
+		$data = null;
+
+		$query = "SELECT * FROM article_type ORDER BY article_type.name_articletype";
+
+		if ($sql = $this->connection->query($query)) {
+			while ($rows = mysqli_fetch_assoc($sql)) {
+				$data[] = $rows;
+			}
+		}
+
+		return $data;
+	}
+
+	//fetch model records from database depend upon country id
+	public function fetchModel($idarticletype)
+	{
+		$data = null;
+
+		$query = "SELECT * FROM modelarticle WHERE idarticletype='" . $idarticletype . "' ";
+
+		if ($sql = $this->connection->query($query)) {
+			while ($rows = mysqli_fetch_assoc($sql)) {
+				$data[] = $rows;
+			}
+		}
+
+		return $data;
+	}
+
+	//fetch Charact records from database depend on article type
+	public function fetchCharact($idarticletype)
+	{
+		$data = null;
+
+		$idarticletype = (int)$idarticletype;
+
+		$query = "
+			SELECT DISTINCT 
+				ac.*
+			FROM article_characteristic ac
+			INNER JOIN standards s
+				ON s.idarticlecharacteristic = ac.idarticlecharacteristic
+			   AND s.idarticletype = ac.idarticletype
+			WHERE ac.idarticletype = $idarticletype
+			  AND s.active = 'Y'
+			ORDER BY ac.name_articlecharacteristic
+		";
+
+		if ($sql = $this->connection->query($query)) {
+			while ($rows = mysqli_fetch_assoc($sql)) {
+				$data[] = $rows;
+			}
+		}
+
+		return $data;
+	}
+}