488 lines
17 KiB
PHP
488 lines
17 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Services\Social;
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use App\Enums\PostPlatform\ContentType;
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use App\Enums\SocialAccount\Platform;
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use App\Exceptions\Social\LinkedInPublishException;
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use App\Exceptions\TokenExpiredException;
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use App\Models\PostPlatform;
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use App\Models\SocialAccount;
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use App\Services\Media\MediaOptimizer;
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use App\Services\Social\Concerns\HasSocialHttpClient;
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use Illuminate\Http\Client\PendingRequest;
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use Illuminate\Http\Client\Response;
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use Illuminate\Support\Facades\Http;
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use Illuminate\Support\Facades\Log;
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class LinkedInPagePublisher
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{
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use HasSocialHttpClient;
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private string $baseUrl;
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private string $apiVersion = '202601';
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private string $accessToken;
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public function __construct()
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{
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$this->baseUrl = config('trypost.platforms.linkedin-page.api');
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}
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private SocialAccount $account;
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private bool $hasRetried = false;
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public function publish(PostPlatform $postPlatform): array
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{
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$this->validateContentLength($postPlatform);
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$content = $postPlatform->post->content ? app(ContentSanitizer::class)->sanitize($postPlatform->post->content, $postPlatform->platform) : null;
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$this->account = $postPlatform->socialAccount;
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$this->hasRetried = false;
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if ($this->account->is_token_expired || $this->account->is_token_expiring_soon) {
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$this->refreshTokenWithLock($this->account, fn () => $this->refreshToken($this->account));
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$this->account->refresh();
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}
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$this->accessToken = $this->account->access_token;
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$organizationId = $this->account->meta['organization_id'] ?? null;
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if (! $organizationId) {
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throw new \Exception('LinkedIn Page organization ID not configured');
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}
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$organizationUrn = "urn:li:organization:{$organizationId}";
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$contentType = $postPlatform->content_type;
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try {
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return match ($contentType) {
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ContentType::LinkedInPageCarousel => $this->publishCarousel($organizationUrn, $content, $postPlatform->post->mediaItems, $this->account),
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ContentType::LinkedInPagePost => $this->publishPost($organizationUrn, $content, $postPlatform->post->mediaItems, $this->account),
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default => throw new \Exception("Unsupported LinkedIn Page content type: {$contentType?->value}"),
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};
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} catch (TokenExpiredException $e) {
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return $this->retryWithRefresh($postPlatform, $content, $e);
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}
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}
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private function retryWithRefresh(PostPlatform $postPlatform, ?string $content, TokenExpiredException $originalException): array
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{
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if ($this->hasRetried) {
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throw $originalException;
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}
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$this->hasRetried = true;
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try {
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$this->refreshToken($this->account);
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$this->account->refresh();
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$this->accessToken = $this->account->access_token;
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$organizationId = $this->account->meta['organization_id'] ?? null;
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$organizationUrn = "urn:li:organization:{$organizationId}";
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$contentType = $postPlatform->content_type;
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return match ($contentType) {
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ContentType::LinkedInPageCarousel => $this->publishCarousel($organizationUrn, $content, $postPlatform->post->mediaItems, $this->account),
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ContentType::LinkedInPagePost => $this->publishPost($organizationUrn, $content, $postPlatform->post->mediaItems, $this->account),
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default => throw new \Exception("Unsupported LinkedIn Page content type: {$contentType?->value}"),
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};
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} catch (\Throwable $e) {
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Log::error('LinkedIn Page refresh failed during retry', [
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'account_id' => $this->account->id,
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'error' => $e->getMessage(),
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]);
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throw $originalException;
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}
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}
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private function publishPost(string $organizationUrn, ?string $content, $media, $account): array
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{
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$payload = [
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'author' => $organizationUrn,
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'commentary' => $content ?? '',
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'visibility' => 'PUBLIC',
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'distribution' => [
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'feedDistribution' => 'MAIN_FEED',
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'targetEntities' => [],
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'thirdPartyDistributionChannels' => [],
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],
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'lifecycleState' => 'PUBLISHED',
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];
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if ($media->isNotEmpty()) {
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$firstMedia = $media->first();
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$mediaUrn = $this->uploadMedia($firstMedia, $organizationUrn);
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if ($mediaUrn) {
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$payload['content'] = [
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'media' => [
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'id' => $mediaUrn,
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],
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];
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}
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}
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$response = $this->getHttpClient()
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->post("{$this->baseUrl}/rest/posts", $payload);
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if ($response->failed()) {
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Log::error('LinkedIn Page post creation failed', [
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'status' => $response->status(),
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'body' => $this->redactResponseBody($response->body()),
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]);
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$this->handleApiError($response);
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}
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$postId = $response->header('x-restli-id');
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// Build company page URL
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$username = $account->username;
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$postUrl = $username
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? "https://www.linkedin.com/company/{$username}/posts/"
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: "https://www.linkedin.com/feed/update/{$postId}";
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return [
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'id' => $postId ?? 'unknown',
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'url' => $postId ? $postUrl : null,
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];
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}
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private function publishCarousel(string $organizationUrn, ?string $content, $mediaCollection, $account): array
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{
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// Upload images and build carousel items
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$carouselItems = [];
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foreach ($mediaCollection as $media) {
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if (! $media->isImage()) {
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continue;
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}
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$imageUrn = $this->uploadImage($media, $organizationUrn);
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if ($imageUrn) {
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$carouselItems[] = [
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'altText' => $media->original_filename ?? 'Carousel image',
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'media' => $imageUrn,
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];
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}
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}
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if (empty($carouselItems)) {
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throw new \Exception('No valid images for LinkedIn Page carousel');
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}
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$payload = [
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'author' => $organizationUrn,
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'commentary' => $content ?? '',
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'visibility' => 'PUBLIC',
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'distribution' => [
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'feedDistribution' => 'MAIN_FEED',
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'targetEntities' => [],
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'thirdPartyDistributionChannels' => [],
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],
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'lifecycleState' => 'PUBLISHED',
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'content' => [
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'multiImage' => [
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'images' => $carouselItems,
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],
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],
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];
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$response = $this->getHttpClient()
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->post("{$this->baseUrl}/rest/posts", $payload);
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if ($response->failed()) {
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Log::error('LinkedIn Page carousel post creation failed', [
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'status' => $response->status(),
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'body' => $this->redactResponseBody($response->body()),
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]);
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$this->handleApiError($response);
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}
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$postId = $response->header('x-restli-id');
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// Build company page URL
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$username = $account->username;
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$postUrl = $username
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? "https://www.linkedin.com/company/{$username}/posts/"
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: "https://www.linkedin.com/feed/update/{$postId}";
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return [
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'id' => $postId ?? 'unknown',
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'url' => $postId ? $postUrl : null,
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];
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}
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private function getHttpClient(): PendingRequest
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{
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return $this->socialHttp()->withToken($this->accessToken)
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->withHeaders([
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'X-Restli-Protocol-Version' => '2.0.0',
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'LinkedIn-Version' => $this->apiVersion,
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'Content-Type' => 'application/json',
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]);
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}
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private function uploadMedia($mediaItem, string $ownerUrn): ?string
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{
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$mimeType = $mediaItem->mime_type;
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$isVideo = str_starts_with($mimeType, 'video/');
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$isImage = str_starts_with($mimeType, 'image/');
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if ($isVideo) {
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return $this->uploadVideo($mediaItem, $ownerUrn);
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}
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if ($isImage) {
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return $this->uploadImage($mediaItem, $ownerUrn);
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}
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return null;
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}
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private function uploadImage($mediaItem, string $ownerUrn): ?string
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{
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// Step 1: Initialize upload
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$initResponse = $this->getHttpClient()
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->post("{$this->baseUrl}/rest/images?action=initializeUpload", [
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'initializeUploadRequest' => [
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'owner' => $ownerUrn,
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],
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]);
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if ($initResponse->failed()) {
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Log::error('LinkedIn Page image init failed', ['body' => $this->redactResponseBody($initResponse->body())]);
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$this->handleApiError($initResponse);
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}
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$initData = $initResponse->json();
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$uploadUrl = $initData['value']['uploadUrl'] ?? null;
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$imageUrn = $initData['value']['image'] ?? null;
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if (! $uploadUrl || ! $imageUrn) {
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throw new \Exception('LinkedIn Page image upload init missing uploadUrl or image URN');
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}
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// Step 2: Download and optimize image
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$tempFile = tempnam(sys_get_temp_dir(), 'lip_image_');
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try {
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$downloadResponse = Http::withOptions(['sink' => $tempFile])->timeout(600)->get($mediaItem->url);
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if ($downloadResponse->failed()) {
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throw new \Exception('Failed to download media: HTTP '.$downloadResponse->status());
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}
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$detectedMime = mime_content_type($tempFile) ?: '';
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if (str_starts_with($detectedMime, 'image/') && ! str_starts_with($detectedMime, 'image/gif')) {
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$optimizer = app(MediaOptimizer::class);
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$optimizedPath = $optimizer->optimizeImage($tempFile, Platform::LinkedInPage);
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@unlink($tempFile);
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$tempFile = $optimizedPath;
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}
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$stream = fopen($tempFile, 'r');
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$uploadResponse = Http::withToken($this->accessToken)
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->withHeaders([
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'Content-Type' => 'application/octet-stream',
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])
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->withBody($stream, 'application/octet-stream')
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->put($uploadUrl);
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if (is_resource($stream)) {
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fclose($stream);
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}
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if ($uploadResponse->failed()) {
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Log::error('LinkedIn Page image upload failed', ['body' => $this->redactResponseBody($uploadResponse->body())]);
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$this->handleApiError($uploadResponse);
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}
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return $imageUrn;
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} finally {
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@unlink($tempFile);
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}
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}
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private function uploadVideo($mediaItem, string $ownerUrn): ?string
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{
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$tempFile = tempnam(sys_get_temp_dir(), 'lip_video_');
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try {
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return $this->doUploadVideo($tempFile, $mediaItem, $ownerUrn);
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} finally {
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@unlink($tempFile);
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}
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}
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private function doUploadVideo(string $tempFile, $mediaItem, string $ownerUrn): ?string
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{
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$downloadResponse = Http::withOptions(['sink' => $tempFile])->timeout(600)->get($mediaItem->url);
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if ($downloadResponse->failed()) {
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throw new \Exception('Failed to download media: HTTP '.$downloadResponse->status());
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}
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$fileSize = (int) filesize($tempFile);
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// Step 1: Initialize upload
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$initResponse = $this->getHttpClient()
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->post("{$this->baseUrl}/rest/videos?action=initializeUpload", [
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'initializeUploadRequest' => [
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'owner' => $ownerUrn,
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'fileSizeBytes' => $fileSize,
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'uploadCaptions' => false,
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'uploadThumbnail' => false,
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],
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]);
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if ($initResponse->failed()) {
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Log::error('LinkedIn Page video init failed', ['body' => $this->redactResponseBody($initResponse->body())]);
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$this->handleApiError($initResponse);
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}
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$initData = $initResponse->json();
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$videoUrn = $initData['value']['video'] ?? null;
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$uploadInstructions = $initData['value']['uploadInstructions'] ?? [];
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$uploadToken = $initData['value']['uploadToken'] ?? '';
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if (! $videoUrn || empty($uploadInstructions)) {
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throw new \Exception('LinkedIn Page video upload init missing video URN or upload instructions');
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}
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// Step 2: Upload chunks
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$uploadedPartIds = [];
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$handle = fopen($tempFile, 'r');
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try {
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foreach ($uploadInstructions as $index => $instruction) {
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$uploadUrl = data_get($instruction, 'uploadUrl');
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$firstByte = data_get($instruction, 'firstByte');
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$lastByte = data_get($instruction, 'lastByte');
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$chunkLength = $lastByte - $firstByte + 1;
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fseek($handle, $firstByte);
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$chunkData = fread($handle, $chunkLength);
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$chunkResponse = Http::withToken($this->accessToken)
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->withHeaders([
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'Content-Type' => 'application/octet-stream',
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])
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->timeout(600)
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->withBody($chunkData, 'application/octet-stream')
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->put($uploadUrl);
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if ($chunkResponse->failed()) {
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Log::error('LinkedIn Page video chunk upload failed', [
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'index' => $index,
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'body' => $this->redactResponseBody($chunkResponse->body()),
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]);
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$this->handleApiError($chunkResponse);
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}
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$etag = $chunkResponse->header('etag');
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if ($etag) {
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$uploadedPartIds[] = $etag;
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}
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}
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} finally {
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fclose($handle);
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}
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// Step 3: Finalize upload
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$finalizeResponse = $this->getHttpClient()
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->post("{$this->baseUrl}/rest/videos?action=finalizeUpload", [
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'finalizeUploadRequest' => [
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'video' => $videoUrn,
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'uploadToken' => $uploadToken,
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'uploadedPartIds' => $uploadedPartIds,
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],
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]);
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if ($finalizeResponse->failed()) {
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Log::error('LinkedIn Page video finalize failed', ['body' => $this->redactResponseBody($finalizeResponse->body())]);
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$this->handleApiError($finalizeResponse);
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}
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// Step 4: Wait for processing
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$this->waitForVideoProcessing($videoUrn);
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return $videoUrn;
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}
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private function waitForVideoProcessing(string $videoUrn, int $maxAttempts = 30): void
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{
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$encodedUrn = urlencode($videoUrn);
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for ($i = 0; $i < $maxAttempts; $i++) {
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$response = $this->getHttpClient()
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->get("{$this->baseUrl}/rest/videos/{$encodedUrn}");
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if ($response->failed()) {
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Log::warning('LinkedIn Page video status check failed', ['attempt' => $i]);
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sleep(5);
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continue;
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}
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$data = $response->json();
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$status = data_get($data, 'status', 'UNKNOWN');
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if ($status === 'AVAILABLE') {
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return;
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}
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if ($status === 'PROCESSING_FAILED') {
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throw new \Exception('LinkedIn Page video processing failed');
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}
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sleep(5);
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}
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Log::warning('LinkedIn Page video processing timeout, proceeding anyway');
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}
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private function refreshToken(SocialAccount $account): void
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{
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if (! $account->refresh_token) {
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throw new TokenExpiredException('No refresh token available for LinkedIn Page account');
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}
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$response = Http::asForm()->post('https://www.linkedin.com/oauth/v2/accessToken', [
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'grant_type' => 'refresh_token',
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'refresh_token' => $account->refresh_token,
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'client_id' => config('services.linkedin-openid.client_id'),
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'client_secret' => config('services.linkedin-openid.client_secret'),
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]);
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if ($response->failed()) {
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$this->handleApiError($response);
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}
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$data = $response->json();
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$account->update([
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'access_token' => data_get($data, 'access_token'),
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'refresh_token' => data_get($data, 'refresh_token', $account->refresh_token),
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'token_expires_at' => data_get($data, 'expires_in') ? now()->addSeconds(data_get($data, 'expires_in')) : null,
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]);
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// Sync tokens to LinkedIn personal if it exists
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app(LinkedInTokenSynchronizer::class)->syncTokens($account);
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}
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private function handleApiError(Response $response): never
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{
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throw LinkedInPublishException::fromApiResponse($response);
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}
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}
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