Files
memefast/app/Http/Controllers/RenderController.php
2025-05-28 12:59:01 +08:00

378 lines
12 KiB
PHP

<?php
namespace App\Http\Controllers;
use App\Helpers\FirstParty\Render\RenderConstants;
use App\Models\User;
use App\Models\Video;
use App\Models\VideoCaption;
use App\Models\VideoElement;
use App\Models\VideoRender;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Validator;
use stdClass;
use Str;
class RenderController extends Controller
{
public function getVideoElements(Request $request, string $uuid)
{
if (! Str::isUuid($uuid)) {
return response()->json([
'error' => [
'message' => 'Invalid UUID format.',
],
], 400);
}
$video = Video::with('video_elements')->where('uuid', $uuid)->first();
if (! $video) {
return response()->json([
'error' => [
'message' => 'Video not found.',
],
]);
}
return response()->json((object) [
'success' => [
'data' => [
'video_elements' => $video->video_elements,
],
],
]);
if (! $video_render) {
return response()->json([
'error' => [
'message' => 'Video render not found.',
],
]);
}
$video = Video::where('id', $video_render->video_id)->first();
if (! $video) {
return response()->json([
'error' => [
'message' => 'Video not found.',
],
]);
}
}
public function startRender(Request $request)
{
$video_render_request = array_to_object_2025($request->all());
$video_render_action = $this->saveUserVideoRenderRequest(Auth::user(), $video_render_request);
if (! $video_render_action->success) {
$error_message = $video_render_action?->message ? $video_render_action->message : 'Unable to render, possibly because the video is already being rendered. Check external ID.';
return response()->json([
'error' => [
'message' => $error_message,
],
]);
}
// Create a video
return response()->json((object) [
'success' => [
'data' => [
'uuid' => $video_render_action->model->uuid,
'status' => $video_render_action->model->status,
],
],
]);
}
public function renderStatus(Request $request, string $uuid)
{
if (! Str::isUuid($uuid)) {
return response()->json([
'error' => [
'message' => 'Invalid UUID.',
],
]);
}
$video_render = VideoRender::where('uuid', $uuid)->first();
if (! $video_render) {
return response()->json([
'error' => [
'message' => 'Video render not found.',
],
]);
}
return response()->json((object) [
'success' => [
'data' => [
'uuid' => $video_render->uuid,
'status' => $video_render->status,
],
],
]);
}
public function allRenders(Request $request)
{
$user = Auth::user();
$video_renders = VideoRender::where('user_id', $user->id)
->orderBy('id', 'desc')->get();
return response()->json((object) [
'success' => [
'data' => [
'video_renders' => $video_renders,
],
],
]);
}
private function saveUserVideoRenderRequest(User $user, stdClass $video_render_request)
{
// check if there is an existing video render request with the same external id
$video_render_is_busy = VideoRender::where('user_id', $user->id)
->where('external_id', $video_render_request->external_id)
->whereIn('status', [
RenderConstants::STATUS_PLANNED,
RenderConstants::STATUS_WAITING,
RenderConstants::STATUS_TRANSCRIBING,
RenderConstants::STATUS_RENDERING,
])->first();
if ($video_render_is_busy) {
return (object) [
'success' => false,
'message' => 'Video is already in queue or rendering. Status: '.$video_render_is_busy->status,
];
}
// dd($video_render_request);
$video = $this->getUserVideoByExternalId($user, $video_render_request->external_id);
$video = $this->updateVideoWithRenderRequest($video, $video_render_request);
$video = $this->saveUserVideo($video);
$this->saveVideoCaptions($video);
try {
$this->saveVideoElements($video);
} catch (\Exception $e) {
return (object) [
'success' => false,
'message' => $e->getMessage(),
];
}
$new_video_render = VideoRender::create([
'user_id' => $user->id,
'video_id' => $video->id,
'external_id' => $video_render_request->external_id,
'payload' => $video_render_request,
'status' => RenderConstants::STATUS_PLANNED,
]);
return (object) [
'success' => true,
'model' => $new_video_render,
];
}
private function saveVideoCaptions(Video $video)
{
VideoCaption::where('video_id', $video->id)->delete();
if (isset($video->payload->captions)) {
foreach ($video->payload->captions as $caption) {
$video_caption = new VideoCaption;
$video_caption->video_id = $video->id;
$video_caption->time = $caption->time;
$video_caption->duration = $caption->duration;
$video_caption->text = $caption->text;
if (isset($caption->parameters)) {
$video_caption->parameters = $caption->parameters;
}
$video_caption->words = $caption->words;
$video_caption->save();
}
}
}
private function saveVideoElements(Video $video)
{
if (isset($video->payload->elements)) {
$existing_video_elements = VideoElement::where('video_id', $video->id)->get();
// Create a lookup array of existing elements by asset hash, but keep ALL matching elements
$existing_elements_by_hash = [];
foreach ($existing_video_elements as $existing_element) {
if (! isset($existing_elements_by_hash[$existing_element->asset_hash])) {
$existing_elements_by_hash[$existing_element->asset_hash] = [];
}
$existing_elements_by_hash[$existing_element->asset_hash][] = $existing_element;
}
// Track which elements we're keeping
$kept_element_ids = [];
// Track which hashes we've already processed to handle duplicates
$processed_hashes = [];
// Validate element URL if exist
foreach ($video->payload->elements as $element) {
if (isset($element->url)) {
if (! $this->validateElementUrl($element->url)) {
throw new \Exception('Invalid URL: '.$element->url);
}
}
}
// Save
foreach ($video->payload->elements as $element) {
$asset_hash = $this->getAssetHash($video, $element->url);
if (isset($existing_elements_by_hash[$asset_hash]) && count($existing_elements_by_hash[$asset_hash]) > 0) {
// Get the next unused element with this hash
$unused_elements = array_filter($existing_elements_by_hash[$asset_hash], function ($elem) use ($kept_element_ids) {
return ! in_array($elem->id, $kept_element_ids);
});
if (count($unused_elements) > 0) {
// Use the first unused element
$video_element = reset($unused_elements);
$kept_element_ids[] = $video_element->id;
} else {
// All elements with this hash are already used, create a new one
$video_element = new VideoElement;
$video_element->video_id = $video->id;
$video_element->asset_hash = $asset_hash;
$video_element->original_asset_url = $element->url;
}
} else {
// No elements with this hash, create a new one
$video_element = new VideoElement;
$video_element->video_id = $video->id;
$video_element->asset_hash = $asset_hash;
$video_element->original_asset_url = $element->url;
}
if (isset($element->external_reference) && ! is_empty($element->external_reference)) {
$video_element->external_reference = $element->external_reference;
}
$video_element->type = $element->type;
$video_element->time = $element->time;
$video_element->track = $element->track;
$video_element->duration = $element->duration;
if (isset($element->parameters)) {
$video_element->parameters = $element->parameters;
}
$video_element->save();
// Add newly created ID to kept list if needed
if (! in_array($video_element->id, $kept_element_ids)) {
$kept_element_ids[] = $video_element->id;
}
}
// Delete elements that weren't in the payload
if (count($existing_video_elements) > 0) {
VideoElement::where('video_id', $video->id)
->whereNotIn('id', $kept_element_ids)
->delete();
}
}
}
private function getAssetHash(Video $video, $url)
{
return hash('sha256', $video->id.'-'.$url);
}
private function validateElementUrl(string $url)
{
// First check if it's a valid URL format
$validator = Validator::make(['url' => $url], [
'url' => 'required|url',
]);
if ($validator->fails()) {
return false;
}
// validate url by making a http head request, return true | false boolean
try {
// Using Laravel's HTTP client to make a HEAD request
$response = Http::withOptions([
'timeout' => 10,
'connect_timeout' => 5,
'verify' => true,
'http_errors' => false, // Don't throw exceptions for 4xx/5xx responses
])->head($url);
// Check if the response is successful (2xx status code) or a redirect (3xx)
return $response->successful();
} catch (\Exception $e) {
// Catch any exceptions (connection issues, invalid URLs, etc.)
return false;
}
}
private function saveUserVideo(Video $video)
{
if ($video->isDirty()) {
$video->save();
}
return $video;
}
private function updateVideoWithRenderRequest(Video $video, stdClass $video_render_request)
{
// dd($video_render_request);
$video->content_type = $video_render_request->content_type;
$video->width = $video_render_request->width;
$video->height = $video_render_request->height;
$video->aspect_ratio = $video_render_request->aspect_ratio;
$video->payload = $video_render_request;
$video->render_settings = (object) [
'video_bitrate' => $video_render_request->video_bitrate,
'audio_bitrate' => $video_render_request->audio_bitrate,
'fps' => $video_render_request->fps,
];
return $video;
}
private function getUserVideoByExternalId(User $user, string $external_id)
{
$video = Video::where('user_id', $user->id)
->where('external_id', $external_id)
->first();
if (! $video) {
$video = new Video;
$video->user_id = $user->id;
$video->external_id = $external_id;
}
return $video;
}
}