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flox/backend/app/Services/TMDB.php
2017-02-21 17:32:33 +00:00

383 lines
9.6 KiB
PHP

<?php
namespace App\Services;
use App\Item;
use Carbon\Carbon;
use DateTime;
use GuzzleHttp\Client;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Cache;
use GuzzleHttp\Exception\ClientException;
class TMDB {
private $client;
private $apiKey;
private $translation;
private $base = 'http://api.themoviedb.org';
/**
* Get the API Key for TMDb and create an instance of Guzzle.
*
* @param Client $client
*/
public function __construct(Client $client)
{
$this->apiKey = config('services.tmdb.key');
$this->translation = config('app.TRANSLATION');
$this->client = $client;
}
/**
* Search TMDb by 'title'.
*
* @param $title
* @param null $mediaType
* @return Collection
*/
public function search($title, $mediaType = null)
{
$tv = collect();
$movies = collect();
if( ! $mediaType || $mediaType == 'tv') {
$response = $this->fetchSearch($title, 'tv');
$tv = collect($this->createItems($response, 'tv'));
}
if( ! $mediaType || $mediaType == 'movies') {
$response = $this->fetchSearch($title, 'movie');
$movies = collect($this->createItems($response, 'movie'));
}
return $tv->merge($movies)->toArray();
}
private function fetchSearch($title, $mediaType) {
return $this->requestTmdb($this->base . '/3/search/' . $mediaType, [
'query' => $title,
]);
}
/**
* Search TMDb for recommendations and similar movies.
*
* @param $mediaType
* @param $tmdbID
* @return \Illuminate\Support\Collection
*/
public function suggestions($mediaType, $tmdbID)
{
$recommendations = $this->searchSuggestions($mediaType, $tmdbID, 'recommendations');
$similar = $this->searchSuggestions($mediaType, $tmdbID, 'similar');
$items = $recommendations->merge($similar);
$inDB = Item::all('tmdb_id')->toArray();
// Remove movies which already are in database.
return $items->filter(function($item) use ($inDB) {
return ! in_array($item['tmdb_id'], array_column($inDB, 'tmdb_id'));
});
}
/**
* @param $mediaType
* @param $tmdbID
* @param $type
*
* @return Collection
*/
private function searchSuggestions($mediaType, $tmdbID, $type)
{
$response = $this->requestTmdb($this->base . '/3/' . $mediaType . '/' . $tmdbID . '/' . $type);
return collect($this->createItems($response, $mediaType));
}
/**
* Search TMDb for upcoming movies.
*
* @return array
*/
public function upcoming()
{
$cache = Cache::remember('upcoming', $this->untilEndOfDay(), function() {
$response = $this->requestTmdb($this->base . '/3/movie/upcoming');
return collect($this->createItems($response, 'movie'));
});
return $this->filterItems($cache);
}
/**
* Search TMDb for current popular movies and tv shows.
*
* @return array
*/
public function trending()
{
$cache = Cache::remember('trending', $this->untilEndOfDay(), function() {
$responseMovies = $this->fetchPopular('movie');
$responseTv = $this->fetchPopular('tv');
$tv = collect($this->createItems($responseTv, 'tv'));
$movies = collect($this->createItems($responseMovies, 'movie'));
return $tv->merge($movies)->shuffle();
});
return $this->filterItems($cache);
}
/**
* Merge the response with items from our database.
*
* @param Collection $items
* @return array
*/
private function filterItems($items)
{
$allID = $items->pluck('tmdb_id');
// Get all movies / tv shows from trendig / upcoming which already in database.
$inDB = Item::whereIn('tmdb_id', $allID)->get()->toArray();
// Remove all inDB movies / tv shows from trending / upcoming.
$filtered = $items->filter(function($item) use ($inDB) {
return ! in_array($item['tmdb_id'], array_column($inDB, 'tmdb_id'));
});
$merged = $filtered->merge($inDB);
// Reset array keys to display inDB items first.
return array_values($merged->reverse()->toArray());
}
private function fetchPopular($mediaType)
{
return $this->requestTmdb($this->base . '/3/' . $mediaType . '/popular');
}
/**
* @param $response
* @param $mediaType
* @return array
*
*/
private function createItems($response, $mediaType)
{
$items = [];
$response = json_decode($response->getBody());
foreach($response->results as $result) {
$dtime = DateTime::createFromFormat('Y-m-d', (array_key_exists('release_date', $result)
? ($result->release_date ?: '1970-12-1')
: ($result->first_air_date ?: '1970-12-1')
));
// 'name' is from tv, 'title' from movies
$items[] = [
'tmdb_id' => $result->id,
'title' => array_key_exists('name', $result) ? $result->name : $result->title,
'original_title' => array_key_exists('name', $result) ? $result->original_name : $result->original_title,
'poster' => $result->poster_path,
'media_type' => $mediaType,
'released' => $dtime->getTimestamp(),
'genre' => $this->parseGenre($result->genre_ids),
'episodes' => [],
];
}
return $items;
}
private function requestTmdb($url, $query = [])
{
$query = array_merge($query, [
'api_key' => $this->apiKey,
'language' => strtolower($this->translation)
]);
try {
$response = $this->client->get($url, [
'query' => $query
]);
if($this->hasLimitRemaining($response)) {
return $response;
}
} catch (ClientException $e) {
// wtf? throws exception because of "bad" statuscode?
$response = $e->getResponse();
if($this->hasLimitRemaining($response)) {
return $response;
}
}
sleep(1);
return $this->requestTmdb($url, $query);
}
/**
* Get full movie or tv details.
*
* @param $tmdbId
* @param $mediaType
* @return mixed
*/
public function details($tmdbId, $mediaType)
{
$response = $this->requestTmdb($this->base . '/3/' . $mediaType . '/' . $tmdbId);
return json_decode($response->getBody());
}
/**
* Get current count of seasons.
*
* @param $id
* @param $mediaType
* @return integer | null
*/
private function tvSeasonsCount($id, $mediaType)
{
if($mediaType == 'tv') {
$response = $this->requestTmdb($this->base . '/3/tv/' . $id);
$seasons = collect(json_decode($response->getBody())->seasons);
return $seasons->filter(function ($season) {
// We don't need pilots
return $season->season_number > 0;
})->count();
}
return null;
}
/**
* Get all episodes of each season.
*
* @param $id
* @return array
*/
public function tvEpisodes($id)
{
$seasons = $this->tvSeasonsCount($id, 'tv');
$data = [];
for($i = 1; $i <= $seasons; $i++) {
$response = $this->requestTmdb($this->base . '/3/tv/' . $id . '/season/' . $i);
$data[$i] = json_decode($response->getBody());
}
return $data;
}
/**
* Make a new request to TMDb to get the alternative titles.
*
* @param $item
* @return array
*/
public function getAlternativeTitles($item)
{
$response = $this->fetchAlternativeTitles($item);
$body = json_decode($response->getBody());
if(property_exists($body, 'titles') || property_exists($body, 'results')) {
return isset($body->titles) ? $body->titles : $body->results;
}
return [];
}
public function fetchAlternativeTitles($item)
{
return $this->requestTmdb($this->base . '/3/' . $item['media_type'] . '/' . $item['tmdb_id'] . '/alternative_titles');
}
/**
* Create genre string from genre_ids.
*
* @param $ids
* @return string
*/
private function parseGenre($ids)
{
$genre = [];
foreach($ids as $id) {
$genre[] = isset($this->genreList()[$id]) ? $this->genreList()[$id] : '';
}
return implode($genre, ', ');
}
/**
* Current genre list from TMDb.
*
* @return array
*/
private function genreList()
{
return [
28 => 'Action',
12 => 'Adventure',
16 => 'Animation',
35 => 'Comedy',
80 => 'Crime',
99 => 'Documentary',
18 => 'Drama',
10751 => 'Family',
14 => 'Fantasy',
36 => 'History',
27 => 'Horror',
10402 => 'Music',
9648 => 'Mystery',
10749 => 'Romance',
878 => 'Sci-Fi',
10770 => 'TV Movie',
53 => 'Thriller',
10752 => 'War',
37 => 'Western',
10759 => 'Action & Adventure',
10762 => 'Kids',
10763 => 'News',
10764 => 'Reality',
10765 => 'Sci-Fi & Fantasy',
10766 => 'Soap',
10767 => 'Talk',
10768 => 'War & Politics',
];
}
/**
* @param $response
* @return boolean
*/
public function hasLimitRemaining($response)
{
if($response->getStatusCode() == 429) {
return false;
}
return ((int) $response->getHeader('X-RateLimit-Remaining')[0]) > 1;
}
/**
* @return float|int
*/
private function untilEndOfDay()
{
return Carbon::now()->secondsUntilEndOfDay() / 60;
}
}