Add new files and make code improvements

rest/include/mailer.php

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+<?php
+//https://github.com/PHPMailer/PHPMailer
+//require_once('../include/phpmailer/PHPMailerAutoload.php');
+
+class Mailer{
+    private const FROM = "academia@lasalle.mx";
+    private const FROM_NAME = "Vicerrectoría Académica";
+    private const FROM_PASS = "Foy25193";
+    private const FOOTER = "<p style='margin-top:5em; color:#aaa;font-style:italics'><small>Este es un correo automatizado, esta cuenta no recibe correos.<small></p>";
+    //private $lista_to, $asunto, $texto;
+
+    /**
+     * Función estática para mandar correos. Los destinatarios pueden ser arreglo o cadena separada por ; incluir: include/phpmailer/PHPMailerAutoload.php
+     * 
+     * @param array|string $lista_to El destinatario o lista de destinatarios. Puede ser un arreglo de direcciones de correo electrónico o una cadena de texto con direcciones de correo separadas por ;.
+     * @param string $asunto El asunto del correo.
+     * @param string $texto El cuerpo del mensaje del correo en HTML.
+     * @param bool $bcc Indica si se debe enviar el correo como copia oculta (true) o no (false). Valor por defecto: false.
+     *
+     * @return bool True si el correo se envió exitosamente, false en caso contrario.
+     */
+    public static function enviarCorreo($lista_to, $asunto, $texto, $bcc = false){
+        try{
+            //SMTP Settings
+            $mail = new PHPMailer();
+            $mail->CharSet = 'UTF-8';
+            $mail->SMTPDebug  = 0;
+            $mail->isSMTP();
+            $mail->SMTPAuth = true;
+            $mail->SMTPSecure = 'TLS';
+            $mail->Host = "smtp.office365.com";
+            $mail->Port = 587;
+            $mail->Username = self::FROM;
+            $mail->Password = self::FROM_PASS;
+
+            $mail->SetFrom(self::FROM, self::FROM_NAME); //from (verified email address)
+            $mail->Subject = $asunto; //subject
+        
+            $mail->IsHTML(true);
+            $mail->MsgHTML($texto.self::FOOTER);//adjunta footer
+            //recipient
+            if(is_array($lista_to)){
+                foreach($lista_to as $correo){
+                    if(trim($correo)!="")
+                        if($bcc)
+                            $mail->addBCC($correo);
+                        else
+                            $mail->AddAddress($correo);
+                }
+            }else{//cadena de texto separada por ;
+                if(strpos($lista_to, ";")!==false){
+                    $toArr = explode(";", $lista_to);
+                    foreach($toArr as $correo){
+                        if(trim($correo)!=""){
+                            if($bcc)
+                                $mail->addBCC($correo);
+                            else
+                                $mail->AddAddress($correo);
+                        }
+                    }
+                }elseif(strpos($lista_to, ",")!==false){
+                    $toArr = explode(",", $lista_to);
+                    foreach($toArr as $correo){
+                        if(trim($correo)!=""){
+                            if($bcc)
+                                $mail->addBCC($correo);
+                            else
+                                $mail->AddAddress($correo);
+                        }
+                    }
+                }else{
+                    if(trim($lista_to)!=""){
+                        if($bcc)
+                            $mail->addBCC($lista_to);
+                        else
+                            $mail->AddAddress($lista_to);
+                    }
+                }
+                
+            }
+            //Success
+            if ($mail->Send()) { 
+                return true;
+            }
+        }catch(phpmailerException $e){
+            echo $mail->ErrorInfo;
+            return false;
+        }catch(Exception $e2){
+            echo $mail->ErrorInfo;
+            return false;
+        }
+        return false;
+    }
+
+}

rest/include/phpmailer/PHPMailerAutoload.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * PHPMailer SPL autoloader.
+ * PHP Version 5
+ * @package PHPMailer
+ * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ * @copyright 2012 - 2014 Marcus Bointon
+ * @copyright 2010 - 2012 Jim Jagielski
+ * @copyright 2004 - 2009 Andy Prevost
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ * @note This program is distributed in the hope that it will be useful - WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/**
+ * PHPMailer SPL autoloader.
+ * @param string $classname The name of the class to load
+ */
+function PHPMailerAutoload($classname)
+{
+    //Can't use __DIR__ as it's only in PHP 5.3+
+    $filename = dirname(__FILE__).DIRECTORY_SEPARATOR.'class.'.strtolower($classname).'.php';
+    if (is_readable($filename)) {
+        require $filename;
+    }
+}
+
+if (version_compare(PHP_VERSION, '5.1.2', '>=')) {
+    //SPL autoloading was introduced in PHP 5.1.2
+    if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
+        spl_autoload_register('PHPMailerAutoload', true, true);
+    } else {
+        spl_autoload_register('PHPMailerAutoload');
+    }
+} else {
+    /**
+     * Fall back to traditional autoload for old PHP versions
+     * @param string $classname The name of the class to load
+     */
+    spl_autoload_register($classname);
+    /*function __autoload($classname)
+    {
+        PHPMailerAutoload($classname);
+    }*/
+}