pixelfed/app/Http/Controllers/DiscoverController.php

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<?php
namespace App\Http\Controllers;
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use App\{
DiscoverCategory,
Follower,
Hashtag,
HashtagFollow,
Profile,
Status,
StatusHashtag,
UserFilter
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};
use Auth, DB, Cache;
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use Illuminate\Http\Request;
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use App\Transformer\Api\AccountTransformer;
use App\Transformer\Api\AccountWithStatusesTransformer;
use App\Transformer\Api\StatusTransformer;
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use App\Transformer\Api\StatusStatelessTransformer;
use League\Fractal;
use League\Fractal\Serializer\ArraySerializer;
use League\Fractal\Pagination\IlluminatePaginatorAdapter;
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use App\Services\StatusHashtagService;
use App\Services\SnowflakeService;
use App\Services\StatusService;
use App\Services\UserFilterService;
class DiscoverController extends Controller
{
protected $fractal;
public function __construct()
{
$this->fractal = new Fractal\Manager();
$this->fractal->setSerializer(new ArraySerializer());
}
public function home(Request $request)
{
abort_if(!Auth::check() && config('instance.discover.public') == false, 403);
return view('discover.home');
}
public function showTags(Request $request, $hashtag)
{
abort_if(!config('instance.discover.tags.is_public') && !Auth::check(), 403);
$tag = Hashtag::whereName($hashtag)
->orWhere('slug', $hashtag)
->firstOrFail();
$tagCount = StatusHashtagService::count($tag->id);
return view('discover.tags.show', compact('tag', 'tagCount'));
}
public function showCategory(Request $request, $slug)
{
abort(404);
}
public function showLoops(Request $request)
{
abort(404);
}
public function loopsApi(Request $request)
{
abort(404);
}
public function loopWatch(Request $request)
{
return response()->json(200);
}
public function getHashtags(Request $request)
{
$auth = Auth::check();
abort_if(!config('instance.discover.tags.is_public') && !$auth, 403);
$this->validate($request, [
'hashtag' => 'required|string|min:1|max:124',
'page' => 'nullable|integer|min:1|max:' . ($auth ? 29 : 10)
]);
$page = $request->input('page') ?? '1';
$end = $page > 1 ? $page * 9 : 0;
$tag = $request->input('hashtag');
$hashtag = Hashtag::whereName($tag)->firstOrFail();
if($page == 1) {
$res['follows'] = HashtagFollow::whereUserId(Auth::id())
->whereHashtagId($hashtag->id)
->exists();
}
$res['hashtag'] = [
'name' => $hashtag->name,
'url' => $hashtag->url()
];
$res['tags'] = StatusHashtagService::get($hashtag->id, $page, $end);
return $res;
}
public function profilesDirectory(Request $request)
{
return redirect('/')
->with('statusRedirect', 'The Profile Directory is unavailable at this time.');
}
public function profilesDirectoryApi(Request $request)
{
return ['error' => 'Temporarily unavailable.'];
}
public function trendingApi(Request $request)
{
abort_if(config('instance.discover.public') == false && !Auth::check(), 403);
$this->validate($request, [
'range' => 'nullable|string|in:daily,monthly'
]);
$range = $request->input('range') == 'monthly' ? 31 : 1;
$key = ':api:discover:trending:v2.8:range:' . $range;
$ttl = now()->addMinutes(15);
$ids = Cache::remember($key, $ttl, function() use($range) {
$days = $range == 1 ? 2 : 31;
$min_id = SnowflakeService::byDate(now()->subDays($days));
return Status::select(
'id',
'scope',
'type',
'is_nsfw',
'likes_count',
'created_at'
)
->where('id', '>', $min_id)
->whereNull('uri')
->whereScope('public')
->whereIn('type', [
'photo',
'photo:album',
'video'
])
->whereIsNsfw(false)
->orderBy('likes_count','desc')
->take(15)
->pluck('id');
});
$filtered = Auth::check() ? UserFilterService::filters(Auth::user()->profile_id) : [];
$res = $ids->map(function($s) {
return StatusService::get($s);
})->filter(function($s) use($filtered) {
return $s && !in_array($s['account']['id'], $filtered);
})->values();
return response()->json($res);
}
public function trendingHashtags(Request $request)
{
$res = StatusHashtag::select('hashtag_id', \DB::raw('count(*) as total'))
->groupBy('hashtag_id')
->orderBy('total','desc')
->where('created_at', '>', now()->subDays(90))
->take(9)
->get()
->map(function($h) {
$hashtag = $h->hashtag;
return [
'id' => $hashtag->id,
'total' => $h->total,
'name' => '#'.$hashtag->name,
'url' => $hashtag->url('?src=dsh1')
];
});
return $res;
}
public function trendingPlaces(Request $request)
{
return [];
}
}