test-plugin.php

<?php
/*
Plugin Name: Test plugin
Description: A test plugin to demonstrate wordpress functionality with BuildVu
Author: Amy Pearson
Maintainer: Xinyu Zhang
Version: 0.1.1
*/

require_once(plugin_dir_path(__FILE__) . 'IDRCloudClient.php');
use IDRsolutions\IDRCloudClient;

add_action('admin_menu', 'test_plugin_setup_menu');

function test_plugin_setup_menu(){
    add_menu_page( 'Test Plugin Page', 'Test Plugin', 'manage_options', 'test-plugin', 'test_init' );
}

function test_init(){
    test_handle_post();
?>
    <h1>Hello World!</h1>
    <h2>Upload a File</h2>
    <!-- Form to handle the upload - The enctype value here is very important -->
    <form  method="post" enctype="multipart/form-data">
        <input type='file' id='test_upload_pdf' name='test_upload_pdf'></input>
        <?php submit_button('Upload') ?>
    </form>
<?php
}

function test_handle_post(){
    // First check if the file appears on the _FILES array
    if(isset($_FILES['test_upload_pdf'])){
        $pdf = $_FILES['test_upload_pdf'];

        // Use the wordpress function to upload
        // test_upload_pdf corresponds to the position in the $_FILES array
        // 0 means the content is not associated with any other posts
        $uploaded=media_handle_upload('test_upload_pdf', 0);
        // Error checking using WP functions
        if(is_wp_error($uploaded)){
            echo "Error uploading file: " . $uploaded->get_error_message();
        }else{
            echo "File upload successful!";
            test_convert($uploaded);
        }
    }
}

function test_convert($id){
    // Get the file
    $file = get_attached_file($id);
    $post = get_post($id);  // Get the post object

    // set the endpoint to the online converter
    $endpoint = "https://cloud.idrsolutions.com/cloud/" . IDRCloudClient::INPUT_BUILDVU;

    $filePath = realpath($file);

    // plugin_dir_path(__FILE__) gets the location of the plugin directory
    // Using preg replace to replace the directory seperators with the correct type
    // This is where the output will be written to
    // $outputdir = preg_replace("[\\/]", DIRECTORY_SEPARATOR, plugin_dir_path(__FILE__)) . "output".DIRECTORY_SEPARATOR. $file->post_title. DIRECTORY_SEPARATOR;
    $outputdir = preg_replace("[\\/]", DIRECTORY_SEPARATOR, plugin_dir_path(__FILE__)) . "output" . DIRECTORY_SEPARATOR . $post->post_title . DIRECTORY_SEPARATOR;

    echo $outputdir;
    if (!file_exists($outputdir)) {
        mkdir($outputdir, 0777, true);
    }

    $conversion_params = array(
    'token' => $your_token,
    'input' => IDRCloudClient::INPUT_UPLOAD,
    'file' => $filePath
    );

    $results = IDRCloudClient::convert(array(
     'endpoint' => $endpoint,
     'parameters' => $conversion_params
    ));
        // This method is very important as it allows us access to the file system
        WP_Filesystem();

        IDRCloudClient::downloadOutput($results, $outputdir);
        // Unzip the file
        $result=unzip_file($outputdir.$post->post_title.".zip", $outputdir);
}

?>