Tunes Laravel Package

Getting Started

Install and verify the baseline

composer require pond/tunes

The package is archived, so treat the installed source as the source of truth — read composer.json first to confirm the PHP constraint and the HTTP client dependency (it predates PSR-18/HttpClient discovery, so expect a concrete client such as Guzzle to be pulled in). Also read README.md and then src/ to see the actual public surface, because method signatures haven't changed in years and the docs may lag.

Where to look first

1. composer.json — PHP version, HTTP client, autoload namespace (Pond\Tunes\).
2. src/Itunes.php (or the central client class) — this is the entry point that builds the request to https://itunes.apple.com/search and /lookup.
3. The response/result classes — you want to know whether you get hydrated objects (Track, Album, Collection) or raw arrays, because that determines whether you can return them from your own code or must map them.
4. Tests — even if thin, they show the expected response shape and give you a fixture to mock against.

First use case: search and iterate

The canonical first flow is a storefront-scoped search that returns a collection you iterate:

use Pond\Tunes\Itunes;

$itunes = new Itunes();

$results = $itunes->search('the beatles', [
    'country' => 'US',
    'media'    => 'music',
    'entity'   => 'musicTrack',
    'limit'    => 25,
]);

foreach ($results as $item) {
    echo $item->trackName . ' — ' . $item->artistName . PHP_EOL;
}

Wire it into a throwaway route or an artisan tinker session first. That single search() call is the whole onboarding; lookup() by iTunes ID is the second thing to exercise and it behaves slightly differently (see Gotchas).

Implementation Patterns

Wrap the client, don't inject it everywhere. Because the class is sealed and archived, hide it behind your own interface (ItunesGateway) so you can replace it later without touching call sites. Bind it in your Laravel container:

$this->app->singleton(ItunesGateway::class, fn () => new PondItunesGateway(new Itunes()));

This also gives you a natural injection point for a cache decorator.

Separate search from lookup. Use search() for user-typed queries and lookup() when you already have an trackId/collectionId (e.g. after storing an ID from a previous result, or resolving a URL from trackViewUrl). Lookup also accepts multiple IDs, which is the cheap way to refresh metadata for a batch of stored IDs in one request.

Normalize before you persist. Don't leak the package's result objects into your domain layer. Map into your own DTO / Eloquent model immediately, storing trackId, collectionId, artistName, trackName, previewUrl, and the artwork URL. This is your insurance policy when the package dies — the mapping code survives, the library doesn't.

Cache aggressively — this is the day-to-day pattern that matters most. See rate limits in Gotchas. A typical gateway looks like:

public function search(string $term, array $opts = [])
{
    $key = 'itunes:search:' . md5($term . serialize($opts));

    return Cache::remember($key, now()->addDay(), function () use ($term, $opts) {
        return $this->client->search($term, $opts);
    });
}

Normalize the term (trim, lowercase) before hashing so "Beatles " and "beatles" share a cache entry.

Storefront/entity options are the main integration lever. Almost every method takes the same options bag passed straight through to the iTunes API: country, media, entity, attribute, limit, lang, explicit. Build a small options value object / config array per use case (e.g. musicTrack + US for a music search, software for app lookups) rather than sprinkling literals through the codebase.

Batch and hydrate through lookups. A common workflow: search returns 25 tracks → you store IDs → for a "recently viewed" page you lookup() those IDs in one call. This keeps your request volume low and gives fresher data than re-running the search.

Handle artwork sizes at the view layer. iTunes returns 100×100 artwork URLs and they are just strings you can str_replace('100x100', '600x600', $url) on. Do the substitution inside your DTO accessor, not in Blade.

Gotchas and Tips

It is archived — plan the exit. No bug fixes, no PHP 8.2+ deprecation patches, and if it uses an old Guzzle major, it can conflict with the rest of your dependency graph. Pin the version, and assume you will rewrite the gateway. The wrapping interface above is the mitigation, not an optional nicety.

iTunes rate limits are the real constraint. Apple throttles the Search API to roughly 20 requests per minute per IP and returns 403 when you exceed it. If you call it on every page view you will hit this within minutes of traffic. The cache decorator is mandatory; for bulk operations, chunk into a queue job with RateLimited / sleep(3) between calls rather than a foreach.

search and lookup differ in response envelope and error behaviour. lookup with a nonexistent ID often yields an empty results array rather than an error — never assume non-empty. Guard every iteration and treat "no results" as a first-class outcome. Also, the API returns HTTP 200 with an errorMessage key in some failure modes; check the payload, not just the status code.

Response field names are inconsistent and sometimes absent. Not every entity has trackName, collectionName, or previewUrl (e.g. some audiobooks, podcasts, apps). Hydrated object properties may be null and old-style magic getters can emit notices on missing keys. Access defensively and default in your mapper.

country defaults silently. If you don't pass a storefront the result set can look "wrong" (missing tracks that are licensed in the user's country). Pass the country explicitly from the request, or from a config default, and cache keyed by country — a cache entry built for US is wrong for GB.

Explicit content leaks by default. Set explicit=No (Apple's spelling — it's a string option, not a boolean) if you need clean results, and still filter on the trackExplicitness field in the response, because the parameter is advisory.

Testability is on you. Because the package owns the HTTP call internally, you can't trivially inject a mock client in older versions. Two options: (a) mock at your ItunesGateway level and never hit the real class in tests, or (b) if the client exposes its HTTP client constructor/setter, inject a Guzzle MockHandler with recorded fixtures. Option (a) is the only one that survives an eventual replacement, so build the fakes on your own boundary.

Extension points are minimal. There's no plugin system or event dispatcher. The realistic extension strategy is composition: subclass or wrap the client, override the request-building, and treat the result classes as read-only value bags. Don't patch vendor code — an archived dependency's vendor/ will be discarded on the next composer install.

Debugging tip: log the raw JSON before hydration when a field looks wrong. Every "the package lost my data" bug in practice turns out to be the API returning a different field shape for that entity type than you assumed.