Kirby Sermon Uploader

composer.json

{
    "require": {
        "aws/aws-sdk-php": "^3.12",
        "james-heinrich/getid3": "^1.9"
    }
}

sermon-uploader.php

<?php // site/plugins/sermon-uploader.php

kirby()->hook('panel.file.upload', function($file) {
    if ($file->extension() === 'mp3') {
        uploadSermon($file);
    }
});

function uploadSermon($file) {
    $page = $file->page();

    // Normalize audio filename based on page fields
    $service = $page->service() ?: 'evening'; // morning or evening
    $newName = "churchname_{$page->date('Y-m-d')}_{$service}.mp3";

    // Generate S3 key name
    $keyName = "podcasts/{$page->date('Y')}/{$newName}";

    $file->rename($newName);

    if (writeId3Tags($page, $file)) {
        if (uploadToS3($keyName, $file)) {
            updatePage($page, $file);
        }
    }
}

function updatePage($page, $file) {
    $getID3 = new getID3();
    $info = $getID3->analyze($file->root());

    // Update sermon page with audio filesize, playtime and new filename
    // This info is used to generate the podcast.rss file
    $page->update([
        'filesize' => $info['filesize'],
        'playtime' => $info['playtime_string'],
        'podcast'  => $file->filename(),
    ]);

    $file->delete();
}

function writeId3Tags($page, $file) {
    $getID3 = new getID3();
    $getID3->setOption(['encoding' => 'utf-8']);

    require_once __DIR__ . '../../../vendor/james-heinrich/getid3/getid3/write.php';

    $tagwriter                    = new getid3_writetags;
    $tagwriter->filename          = $file->root();
    $tagwriter->tagformats        = ['id3v1', 'id3v2.3'];
    $tagwriter->overwrite_tags    = true;
    $tagwriter->remove_other_tags = false;
    $tagwriter->tag_encoding      = 'utf-8';

    $tagwriter->tag_data = [
        'title'         => [$page->title()],
        'artist'        => [$page->author()->toAuthorFullname()],
        'album'         => [$page->site()->title()],
        'year'          => [$page->date('%Y')],
        'genre'         => ['Religious'],
        'comment'       => [$page->scripture()],
        'copyright'     => [$page->site()->copyright()],
        'attached_picture' => [[
            'picturetypeid' => 2,
            'description' => 'cover',
            'mime' => 'image/jpeg',
            'data' => $page->parent()->image('podcast.jpg')->read(),
        ]]
    ];

    return $tagwriter->WriteTags();
}

function uploadToS3($keyName, $file) {
    // Add S3 configuration to site/config/config.php
    //
    // c::set('s3.bucket', 'S3_BUCKET');
    // c::set('s3.config', [
    //     'region'  => 'us-east-1',
    //     'version' => 'latest',
    //     'credentials' => [
    //         'key'    => 'AWS_ACCESS_KEY_ID',
    //         'secret' => 'AWS_SECRET_ACCESS_KEY',
    //     ],
    // ]);

    $s3     = new Aws\S3\S3Client(c::get('s3.config'));
    $params = [
        'Bucket' => c::get('s3.bucket'),
        'Key'    => $keyName,
        'Body'   => $file->read(),
    ];

    $response = $s3->putObject($params);

    return $response['@metadata']['statusCode'] === 200;
}

site.php

<?php

// Place this file on the root of the project
// Kirby will automatically load it
// See: https://getkirby.com/docs/developer-guide/configuration/folders#site-php

// Load PHP Composer packages only for the panel
if (class_exists('Panel')) require('vendor/autoload.php');

$kirby = kirby();