Fix usuarios module: resolve PHP 8 warnings and fatal errors

- Fixed undefined array key warnings in usuarios-agregar.php
- Fixed undefined variable warnings (, , )
- Fixed null array offset warnings in db.class.php GetSingle()
- Added default parameter to ValidateMail() in util.class.php
- Fixed PrintErrors() return value for proper error handling
- Fixed integer constraint errors for codigoPostal and sucursalId
- Added missing identificacion and comprobante fields to INSERT query
- Fixed undefined  variable in IsEmailTaked()

classes/db.class.php

@@ -205,10 +205,8 @@ public function DatabaseConnect()
         } else {
             $row = mysqli_fetch_array($this->sqlResult);
         }
-		$rs = $row[0];
 
-		if(!$rs)
+		$rs = ($row && isset($row[0])) ? $row[0] : 0;
-			$rs = 0;
 
     $this->CleanQuery();
 

classes/usuario.class.php

@@ -117,7 +117,7 @@ class Usuario extends Main
 	public function setCodigoPostal($value)
 	{
 		$this->Util()->ValidateString($value, $max_chars=50, $minChars = 0, "Codigo Postal");
-		$this->codigoPostal = $value;
+		$this->codigoPostal = empty($value) ? 0 : $value;
 	}
 		  
 	public function setTelefono($value)
@@ -159,7 +159,7 @@ class Usuario extends Main
 	public function setSucursalId($value)
 	{
 		$this->Util()->ValidateString($value, $max_chars=300, $minChars = 0, 'Sucursal');
-		$this->sucursalId = $value;
+		$this->sucursalId = empty($value) ? 0 : $value;
 	}
         
     public function setEmail($value)
@@ -231,6 +231,9 @@ class Usuario extends Main
 			return false;
 		}
 
+		$identificacion = isset($this->identificacion) ? $this->identificacion : '';
+		$comprobante = isset($this->comprobante) ? $this->comprobante : '';
+
 		$db = new DB(true);
 		$db->setQuery("
 			INSERT INTO usuario (
@@ -252,6 +255,8 @@ class Usuario extends Main
 				noImss,
 				curp,
 				rfc,
+				identificacion,
+				comprobante,
 				email,
 				password,
 				`type`,
@@ -276,11 +281,12 @@ class Usuario extends Main
 				'".$this->noImss."',
 				'".$this->curp."',
 				'".$this->rfc."',
+				'".$identificacion."',
+				'".$comprobante."',
 				'".$this->email."',
 				'".$this->passwd."',
 				'".$this->tipo."',
-                '".$this->sucursalId."')"
+				'".$this->sucursalId."')");		
-			);		
 		$usuarioId = $db->InsertData();
 		
 		$this->Util()->setError(20017, "complete");
@@ -495,6 +501,8 @@ class Usuario extends Main
 	
 	function IsEmailTaked(){
 
+		$sqlAdd = '';
+
 		if($this->usuarioId)
 			$sqlAdd = ' AND usuarioId <> "'.$this->usuarioId.'"';
 

classes/util.class.php

@@ -169,7 +169,7 @@ class Util extends SystemError
 		}
 	}//ValidateFloat
 
-	function ValidateMail($mail, $field)
+	function ValidateMail($mail, $field = 'Email')
 	{
 		$mail = strtolower($mail);
 		if (!preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',trim($mail)))
@@ -477,11 +477,15 @@ class Util extends SystemError
 	
 	function PrintErrors()
 	{
+		if(empty($this->error)){
+			return false;
+		}
+
 		$errorStr = "<div id='error-box'>";
 		foreach($this->error as $key => $val)
 		{
 			$msg = $this->errorMessage($val);
-			$field = $this->errorField[$key];
+			$field = isset($this->errorField[$key]) ? $this->errorField[$key] : '';
 
 			$errorStr .= "<div class='error-item'>";
 			if($field != "")
@@ -493,6 +497,7 @@ class Util extends SystemError
 		}
 		$errorStr .= "</div>";
 		echo $errorStr;
+		return true;
 	}
 	
 	function errorMessage($code)

modules/usuarios-agregar.php

@@ -7,10 +7,10 @@
 		exit;
 	}
 		
-	if($_POST['type'] == 'saveUsuario'){
+	if(isset($_POST['type']) && $_POST['type'] == 'saveUsuario'){
 
 		$tipo = $_POST['tipo'];
-		$idSuc = $_POST['idSuc'];
+		$idSuc = isset($_POST['idSuc']) ? $_POST['idSuc'] : array();
 				
 		$usuario->setTipo($tipo);
 		$usuario->setNombre($_POST['nombre']);
@@ -110,6 +110,10 @@
 		
 	}
 
+	$nomSuc = '';
+	$info = array('type' => '', 'sucursalId' => '');
+	$post = array('sucursalId' => '');
+
 	if($Usr['type'] == 'gerente'){
 		$sucursal->setSucursalId($Usr['sucursalId']);
 		$nomSuc = $sucursal->GetNameById();
@@ -117,12 +121,17 @@
 	}
 
 	$sucursales = $sucursal->GetSucursalesByEmpresaId();
-	foreach ($sucursales as $key => $sucursal ){
+	$sucursalesFiltered = array();
-		$sucursales[$key]['nombre'] = utf8_decode(urldecode($sucursal['nombre']));
+	foreach ($sucursales as $item ){
+		if($item){
+			$item['nombre'] = utf8_decode(urldecode($item['nombre']));
+			$sucursalesFiltered[] = $item;
+		}
 	}
 
+	$smarty->assign('info', $info);
+	$smarty->assign('post', $post);
 	$smarty->assign('nomSuc', $nomSuc);
-	$smarty->assign('usuarios', $usuarios);
+	$smarty->assign('sucursales', $sucursalesFiltered);
-	$smarty->assign('sucursales', $sucursales);
 
 ?>