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hajimi
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<?php
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namespace app\common\service\article;
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use app\common\model\article\Article;
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use app\common\model\article\ArticleAiCommentTask;
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use app\common\model\article\ArticleComment;
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use app\common\model\user\User;
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use app\common\service\ai\AiService;
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use think\facade\Config;
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use think\facade\Db;
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class ArticleAiCommentService
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{
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private const VIRTUAL_ACCOUNT_PREFIX = 'ai_comment_';
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private const VIRTUAL_NICKNAME_PREFIX = 'AI评论员';
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private const VIRTUAL_POOL_SIZE = 20;
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public static function tick(int $seedLimit = 10, int $processLimit = 20): array
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{
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$virtualUsers = self::ensureVirtualUsers(self::VIRTUAL_POOL_SIZE);
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$seeded = self::seedTasks($virtualUsers, $seedLimit);
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$processed = self::processDueTasks($processLimit);
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return [
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'virtual_user_count' => count($virtualUsers),
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'seeded' => $seeded,
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'processed' => $processed,
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];
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}
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protected static function seedTasks(array $virtualUsers, int $limit = 10): array
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{
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if (empty($virtualUsers)) {
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return ['created' => 0, 'skipped' => 0];
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}
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$articles = Article::field('id,title,desc,content,author,ext,click_virtual,click_actual,comment_count,create_time,published_at')
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->where('is_show', 1)
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->whereNull('delete_time')
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->where('create_time', '>=', strtotime('-14 days'))
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->orderRaw('comment_count asc, (click_actual + click_virtual) desc, id desc')
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->limit($limit)
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->select()
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->toArray();
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$created = 0;
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$skipped = 0;
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foreach ($articles as $index => $article) {
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$articleId = (int) ($article['id'] ?? 0);
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if ($articleId <= 0) {
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$skipped++;
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continue;
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}
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$existingPending = ArticleAiCommentTask::where('article_id', $articleId)
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->whereIn('status', [0, 1])
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->count();
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if ($existingPending > 0) {
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$skipped++;
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continue;
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}
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$desiredCount = self::resolveTaskCount($article);
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if ($desiredCount <= 0) {
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$skipped++;
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continue;
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}
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for ($i = 0; $i < $desiredCount; $i++) {
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$virtualUserId = $virtualUsers[($articleId + $index + $i) % count($virtualUsers)];
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$comment = self::generateCommentContent($article, $virtualUserId);
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if ($comment === '') {
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continue;
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}
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$runAt = time() + random_int(600, 43200);
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ArticleAiCommentTask::create([
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'article_id' => $articleId,
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'virtual_user_id' => $virtualUserId,
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'comment_content' => $comment,
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'run_at' => $runAt,
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'status' => 0,
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'create_time' => time(),
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'update_time' => time(),
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]);
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$created++;
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}
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}
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return compact('created', 'skipped');
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}
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protected static function processDueTasks(int $limit = 20): array
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{
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$tasks = ArticleAiCommentTask::where('status', 0)
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->where('run_at', '<=', time())
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->order('run_at', 'asc')
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->limit($limit)
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->select()
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->toArray();
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$done = 0;
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$failed = 0;
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foreach ($tasks as $task) {
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$articleId = (int) ($task['article_id'] ?? 0);
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$content = trim((string) ($task['comment_content'] ?? ''));
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$virtualUserId = (int) ($task['virtual_user_id'] ?? 0);
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if ($articleId <= 0 || $content === '' || $virtualUserId <= 0) {
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self::markTaskFailed((int) $task['id'], '任务数据不完整');
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$failed++;
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continue;
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}
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$article = Article::where('id', $articleId)
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->where('is_show', 1)
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->whereNull('delete_time')
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->findOrEmpty();
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if ($article->isEmpty()) {
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self::markTaskFailed((int) $task['id'], '文章不存在或已下架');
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$failed++;
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continue;
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}
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Db::startTrans();
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try {
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ArticleComment::create([
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'article_id' => $articleId,
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'user_id' => $virtualUserId,
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'parent_id' => 0,
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'reply_user_id' => 0,
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'content' => $content,
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'is_show' => 1,
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'create_time' => time(),
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'update_time' => time(),
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]);
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Article::where('id', $articleId)->inc('comment_count')->update();
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ArticleAiCommentTask::where('id', $task['id'])->update([
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'status' => 1,
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'update_time' => time(),
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]);
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Db::commit();
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$done++;
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} catch (\Throwable $e) {
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Db::rollback();
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self::markTaskFailed((int) $task['id'], $e->getMessage());
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$failed++;
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}
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}
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return compact('done', 'failed');
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}
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protected static function ensureVirtualUsers(int $targetCount = self::VIRTUAL_POOL_SIZE): array
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{
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$existing = User::where('account', 'like', self::VIRTUAL_ACCOUNT_PREFIX . '%')
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->order('id', 'asc')
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->column('id');
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$existing = array_values(array_map('intval', $existing));
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$missing = max(0, $targetCount - count($existing));
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if ($missing > 0) {
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$avatar = (string) Config::get('project.default_image.user_avatar', '');
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$passwordSalt = (string) Config::get('project.unique_identification', 'sport-era');
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for ($i = 1; $i <= $missing; $i++) {
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$accountIndex = count($existing) + $i;
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$sn = User::createUserSn('9');
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$password = create_password(bin2hex(random_bytes(6)), $passwordSalt);
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$user = User::create([
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'sn' => $sn,
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'avatar' => $avatar,
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'real_name' => '',
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'nickname' => self::VIRTUAL_NICKNAME_PREFIX . str_pad((string) $accountIndex, 2, '0', STR_PAD_LEFT),
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'account' => self::VIRTUAL_ACCOUNT_PREFIX . str_pad((string) $accountIndex, 4, '0', STR_PAD_LEFT),
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'password' => $password,
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'mobile' => '',
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'sex' => 0,
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'channel' => 0,
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'is_disable' => 0,
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'is_new_user' => 0,
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'user_money' => 0,
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'total_recharge_amount' => 0,
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]);
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$existing[] = (int) $user->id;
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}
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}
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return $existing;
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}
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protected static function resolveTaskCount(array $article): int
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{
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$commentCount = (int) ($article['comment_count'] ?? 0);
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$clickCount = (int) ($article['click_actual'] ?? 0) + (int) ($article['click_virtual'] ?? 0);
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if ($commentCount >= 20) {
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return 0;
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}
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if ($clickCount >= 500) {
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return 2;
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}
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return 1;
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}
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protected static function generateCommentContent(array $article, int $virtualUserId): string
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{
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$title = trim((string) ($article['title'] ?? ''));
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$abstract = trim((string) ($article['desc'] ?? ''));
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$content = self::normalizeContent((string) ($article['content'] ?? ''));
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if ($title === '' && $abstract === '' && $content === '') {
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return '';
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}
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$personaPool = [
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'资深球迷',
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'战术观察员',
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'数据控',
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'赛事评论员',
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'球迷视角',
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];
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$persona = $personaPool[$virtualUserId % count($personaPool)];
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$result = AiService::generateArticleComment($title, $abstract, $content, $persona);
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if (empty($result['success'])) {
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return self::fallbackComment($title, $abstract, $content);
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}
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$comment = trim((string) ($result['content'] ?? ''));
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$comment = preg_replace('/^评论[:：]\s*/u', '', $comment);
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$comment = preg_replace('/^[“"‘’\'\']|[”"‘’\'\']$/u', '', $comment);
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$comment = preg_replace('/\s+/u', ' ', $comment);
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$comment = trim($comment, " \t\n\r\0\x0B，。,.!！?？;；:：");
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if ($comment === '' || mb_strlen($comment) < 8) {
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return self::fallbackComment($title, $abstract, $content);
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}
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return mb_substr($comment, 0, 120);
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}
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protected static function fallbackComment(string $title, string $abstract, string $content): string
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{
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$focus = $title ?: ($abstract ?: mb_substr($content, 0, 18));
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if ($focus === '') {
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return '';
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}
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return mb_substr($focus, 0, 18) . '这条信息量挺足，后续关键数据变化值得继续关注。';
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}
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protected static function markTaskFailed(int $taskId, string $message): void
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{
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if ($taskId <= 0) {
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return;
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}
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ArticleAiCommentTask::where('id', $taskId)->update([
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'status' => 2,
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'error_msg' => mb_substr($message, 0, 255),
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'update_time' => time(),
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]);
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}
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protected static function normalizeContent(string $content): string
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{
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if ($content === '') {
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return '';
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}
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$content = strip_tags($content);
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$content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5, 'UTF-8');
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$content = preg_replace('/\s+/u', ' ', $content);
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return trim($content);
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}
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}
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