go_mail.php

<?php

//Shortcode for Email input
add_shortcode( 'go_upload','go_file_input' );
function go_file_input( $atts, $content = null ) {
	global $wpdb;
	global $post;
	$atts = shortcode_atts(
		array(
			'is_uploaded' => '0',
			'status' => '1',
			'user_id' => null,
			'post_id' => null
		), 
		$atts
	);
	$is_uploaded = (int) $atts['is_uploaded'];
	$status = (int) $atts['status'];
	$user_id = (int) $atts['user_id'];
	$post_id = (int) $atts['post_id'];

	if ( get_current_user_id() !== $user_id ) {
		$user_id = get_current_user_id();
	}

	$table_go = "{$wpdb->prefix}go";
	switch ( $status ) {
		case ( 0 ):
			$db_task_stage_upload_var = 'e_uploaded';
			break;
		case ( 1 ):
			$db_task_stage_upload_var = 'a_uploaded';
			break;
		case ( 2 ):
			$db_task_stage_upload_var = 'c_uploaded';
			break;
		case ( 3 ):
			$db_task_stage_upload_var = 'm_uploaded';
			break;
		case ( 4 ):
			$db_task_stage_upload_var = 'r_uploaded';
			break;
	}

	if ( empty( $post_id ) || is_null( $post_id ) ) {
		$post_id = $post->ID;
	}

	$allow_full_name = get_option( 'go_full_student_name_switch' );
	
	if ( isset( $_FILES['go_attachment'] ) ) {
		$user_info = get_userdata( $user_id );
		$user_login = $user_info->user_login;
		$first_name = trim( $user_info->first_name );
		$last_name = trim( $user_info->last_name );
		if ( $allow_full_name == 'On' ) {
			$user_name = "{$first_name} {$last_name}";
		} else {
			$last_initial = substr( $last_name, 0, 1 );
			$user_name = "{$first_name} {$last_initial}.";
		}
		$user_email = $user_info->user_email;
		$user_role = $user_info->roles;
		$task_title = $post->post_title;
		$task_name = go_return_options( 'go_tasks_name' );
		$to = get_option( 'go_admin_email', '' );
		require( 'mail/class.phpmailer.php' );
		$mail = new PHPMailer();
		$mail->From = get_option( 'go_email_from', 'no-reply@go.net' );
		$mail->FromName = $user_name;
		$mail->AddAddress( $to );
		$mail->Subject = "Upload: {$task_title} | {$user_name} {$user_login}";
		$mail->Body = "{$user_email}\n\nUser comments: \n\t{$_POST['go_attachment_com']}";
		$mail->WordWrap = 50;

		// This loop will upload all the files you have attached to your email.
		for ( $i = 0; $i < count( $_FILES['go_attachment'] ); $i++ ) { 
			if ( empty( $_FILES['go_attachment']['name'][ $i ] ) || empty( $_FILES['go_attachment']['tmp_name'][ $i ] ) ) {
				continue;
			}
			$name = $_FILES['go_attachment']['name'][ $i ];
			$path = $_FILES['go_attachment']['tmp_name'][ $i ];

			// And attach it using attachment method of PHPmailer.
			$mail->AddAttachment( $path, $name ); 
		}
		if( ! $mail->Send() ) {
			if ( ( is_array( $user_role ) && in_array( 'administrator', $user_role ) ) || $user_role === 'administrator' ) {
				return "<div id='go_mailer_error_msg'>{$mail->ErrorInfo}</div>";
			} else {
				return "
					<div id='go_mailer_error_msg'>Message was not sent.</div>
					<form id='go_upload_form' action='' method='post' enctype='multipart/form-data' uploaded='0'>
						<div id='go_uploader'>
							<input type='file' name='go_attachment[]'/>
							<br/>
						</div>
						<button type='button' onClick='go_add_uploader();'>Attach More</button><br/>
						Comments:
						<br/>
						<textarea name='go_attachment_com' style='width: 50%; height: 100px; resize: vertical;' placeholder='Enter any comments you have...'></textarea>
						<br/>
						<input type='submit' value='Submit'/>
					</form>
				";
			}
		} else {
			$wpdb->update( $table_go, array( $db_task_stage_upload_var => 1), array( 'uid' => $user_id, 'post_id' => $post_id ) );
			return "
				<div id='go_mailer_confirm_msg'>Message was sent.</div>
				<form id='go_upload_form' action='' method='post' enctype='multipart/form-data' uploaded='1'>
					<div id='go_uploader'>
						<input type='file' name='go_attachment[]'/>
						<br/>
					</div>
					<button type='button' onClick='go_add_uploader();'>Attach More</button><br/>
					Comments:
					<br/>
					<textarea name='go_attachment_com' style='width: 50%; height: 100px; resize: vertical;' placeholder='Enter any comments you have...'></textarea>
					<br/>
					<input type='submit' value='Submit'/>
				</form>
			";
		}
	} else {
		return "
			<form id='go_upload_form' action='' method='post' enctype='multipart/form-data' uploaded='{$is_uploaded}'>
				<div id='go_uploader'>
					<input type='file' name='go_attachment[]'/>
					<br/>
				</div>
				<button type='button' onClick='go_add_uploader();'>Attach More</button><br/>
				Comments:
				<br/>
				<textarea name='go_attachment_com' style='width: 50%; height: 100px; resize: vertical;' placeholder='Enter any comments you have...'></textarea>
				<br/>
				<input type='submit' value='Submit'/>
			</form>
		";
	}
}

?>