Issue in sending attachments via E-mail from admin dashboard

After logging into admin dashboard and clicking upload image it need's to upload an image file as well as it should send that particular image via e-mail as an attachment. Both occurs simultaneously.

But here I could merely save this image to oc_upload table. But I couldn't able to send that particular image as an attached file via e-mail and here is my following code.

Template file (Nested forms and JavaScript)

<div class="panel panel-default">
    <div class="panel-body">
        <form id="ms-sellerinfo" class="form-horizontal">
            <input type="hidden" id="seller_id" name="seller[seller_id]" value="<?php echo $seller['seller_id']; ?>" />
            <div class="tab-pane" id="tab-user-details">            
                <form  action="index.php?route=multimerch/seller/userdetails&token=<?php echo $token; ?>" method="post" enctype="multipart/form-data" > </form>

                <form action="index.php?route=multimerch/seller/userdetails&token=<?php echo $token;?>&seller_id=<?php echo $seller['seller_id'];?>" method="post" enctype="multipart/form-data">
                    <div class="form-group required">
                        <label class="col-sm-2 control-label" for="input-file">Upload Image</label>
                        <div class="col-sm-10">
                            <input type="file" name="file" id="file" class="file_input"  />
                            <button type="button" id="uploadimage" data-loading-text="<?php echo $text_loading; ?>" class="btn btn-default"><i class="fa fa-upload"></i> Upload Image</button>
                            <input type="hidden" name="custom_field" value="" />
                            <input type="hidden" name="photo" />
                            <div id="demo"></div>
                        </div>
                    </div>
                <input type="submit" style="float:right;" name="submit" value="Submit"/>
                </form> 
            </div>
        </form>
    </div>
</div>


<script type="text/javascript">

$('button[id^=\'uploadimage\']').on('click', function() {
  var node = this;

  $('#form-upload').remove();

  $('body').prepend('<form enctype="multipart/form-data" id="form-upload" style="display: none;"><input type="file" name="file" /></form>');

  $('#form-upload input[name=\'file\']').trigger('click');

  timer = setInterval(function() {
    if ($('#form-upload input[name=\'file\']').val() != '') {
    var fileName = $('#form-upload input[name=\'file\']').val()
    var ext = fileName.split('.').pop();
    var formData = new FormData($('#form-upload')[0]);
    formData.append('CustomerId', 2);  
    clearInterval(timer);

      $.ajax({
        url: 'index.php?route=customer/customer/test&token=<?php echo $token; ?>',
        type: 'post',
        dataType: 'json',
        data: formData,
        cache: false,
        contentType: false,
        processData: false,
        beforeSend: function() {
          $(node).button('loading');
        },
        complete: function() {
          $(node).button('reset');
        },
        success: function(json) {
          $(node).parent().find('.text-danger').remove();

          if (json['error']) {
            $(node).parent().find('input').after('<div class="text-danger">' + json['error'] + '</div>');
          }
          if (json['success']) {
            alert(json['success']);
            $(node).parent().find('input').attr('value', json['code']);
            $(node).parent().find('input[name=photo]').attr('value', json['photo']);         
            document.getElementById("demo").innerHTML = '<img src="' + json['photo'] +'" width="100px" height="100px">';            
          }
        },
        error: function(xhr, ajaxOptions, thrownError) {
          alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
        }
      });
    }
  }, 500);
});
</script>

Controller file

public function test(){

    $file_name = new SplFileInfo($this->request->files['file']['name']);
    $file_extension = $file_name->getExtension(); // die;

    $json = array();

    if (!empty($this->request->files['file']['name']) && is_file($this->request->files['file']['tmp_name'])) {
        // Sanitize the filename
        $filename = basename(preg_replace('/[^a-zA-Z0-9\.\-\s+]/', '', html_entity_decode($this->request->files['file']['name'], ENT_QUOTES, 'UTF-8')));

        // Validate the filename length
        if ((utf8_strlen($filename) < 3) || (utf8_strlen($filename) > 64)) {
            $json['error'] = "Filename must be between 3 and 64 characters!";
        }

        // Allowed file extension types
        $allowed = array();

        $extension_allowed = preg_replace('~\r?\n~', "\n", $this->config->get('config_file_ext_allowed'));

        $filetypes = explode("\n", $extension_allowed);

        foreach ($filetypes as $filetype) {
            $allowed[] = trim($filetype);
        }

        if (!in_array(strtolower(substr(strrchr($filename, '.'), 1)), $allowed)) {
            $json['error'] = "Invalid file type!";
        }

        // Allowed file mime types
        $allowed = array();

        $mime_allowed = preg_replace('~\r?\n~', "\n", $this->config->get('config_file_mime_allowed'));

        $filetypes = explode("\n", $mime_allowed);

        foreach ($filetypes as $filetype) {
            $allowed[] = trim($filetype);
        }

        if (!in_array($this->request->files['file']['type'], $allowed)) {
            $json['error'] = "Invalid file type!";
        }

        // Check to see if any PHP files are trying to be uploaded
        $content = file_get_contents($this->request->files['file']['tmp_name']);

        if (preg_match('/\<\?php/i', $content)) {
            $json['error'] = "Invalid file type!";
        }

        // Return any upload error
        if ($this->request->files['file']['error'] != UPLOAD_ERR_OK) {
            $json['error'] = 'Upload required!_' . $this->request->files['file']['error'];
        }
    } else {
        $json['error'] = "Upload required!";
    }

    if (!$json) {
        $file = $filename . '.' . token(32);
        move_uploaded_file($this->request->files['file']['tmp_name'], DIR_UPLOAD . $file);

        // Instead of calling model from 'tool/upload' i.e, addUpload($filename, $file); directly written in controller

            $code = sha1(uniqid(mt_rand(), true));
            $this->db->query("INSERT INTO `" . DB_PREFIX . "upload` SET `name` = '" . $this->db->escape($filename) . "', `filename` = '" . $this->db->escape($filename) . "', `code` = '" . $this->db->escape($file) . "', `date_added` = NOW()");

        $json['code'] = $code;
        $json['success'] = "Your file was successfully uploaded!";
        $json['photo'] = DIR_UPLOAD_PREV . $file;
        //echo '<pre>'; print_r($json); die;
        $emailseller='nishanth@xyz.in';
        $mail = new Mail();
        $mail->protocol = $this->config->get('config_mail_protocol');
        $mail->parameter = $this->config->get('config_mail_parameter');
        $mail->smtp_hostname = $this->config->get('config_mail_smtp_hostname');
        $mail->smtp_username = $this->config->get('config_mail_smtp_username');
        $mail->smtp_password = html_entity_decode($this->config->get('config_mail_smtp_password'), ENT_QUOTES, 'UTF-8');
        $mail->smtp_port = $this->config->get('config_mail_smtp_port');
        $mail->smtp_timeout = $this->config->get('config_mail_smtp_timeout');
        $mail->setTo($emailseller);
        $mail->setFrom($this->config->get('config_email'));
        $mail->setSender($this->config->get('config_email'));
        $subject = $mailing_details['cdetails']['customer_invoice']['invoice_no'];
        $mail->setSubject("Invoice Receipt");
        $mail->setHtml($this->load->view('mail/order', $data));
        $mail->setText("Test");
        $mail->AddAttachment($json['photo']);
        $mail->send();
    }

    $this->response->addHeader('Content-Type: application/json');
    $this->response->setOutput(json_encode($json));
}

config.php

define('DIR_UPLOAD', '/var/www/html/bprod/system/storage/upload/');
define('DIR_UPLOAD_PREV', '/bprod/system/storage/upload/');

After sending I could only view the email text. But unable to find attachment enclosed in it and I could see the preview of the image uploaded from dashboard as a thumbnail.

From the $this->request response

Instead of moving the image from temp to /var/www/html/bprod/system/storage/upload. I need to move it into /var/www/html/bprod/admin/upload/ directory file defined under config.php. But move_uploaded_file() doesn't work.

I need to send not only image files, but PDF files also. How do I overcome this situation?

Solution

Since it was not fetching from the URL, it need's to add some extra code to do. So I gave the absolute path instead of fetching from the URL and didn't modified anything from the .htaccess file

So I changed the code from

$mail->AddAttachment($json['photo']);

$mail->AddAttachment(DIR_UPLOAD . $file);

move_uploaded_file() worked, after changing the default permission of directory file structure defined in config.php or you could change the entire projects files structure recursively by the below command on debian based OS in the terminal, as

sudo chmod -R 777 bprod/

That solve's the issue for attaching any file formats (Eg.: jpeg, pdf, and soon...) and move_uploaded_file() work's fine as well!