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<?php
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namespace App\Services\Brief;
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use App\Models\News;
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use App\Models\Paper;
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use App\Models\Teacher;
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use App\Models\WeeklyBrief;
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use Carbon\Carbon;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Str;
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class WeeklyBriefService
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{
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/** @var array<string, string> */
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protected const TRACKS = [
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'physics' => 'Physics',
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'math' => 'Mathematics',
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'cs' => 'Computer Science',
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'eess' => 'Electrical Engineering and Systems Science',
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];
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/** @var list<string> */
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protected const HIGH_VALUE_KEYWORDS = [
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'产业化', '量产', '中试', '小试', '落地', '商用', '专利', '转化', '示范', '试点',
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'prototype', 'commercial', 'deployment', 'industrial', 'pilot', 'scale-up',
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];
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/** @var list<string> */
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protected const COOP_KEYWORDS = [
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'校企', '产学研', '联合研究', '联合实验室', '产业资本', '投资', '融资', '合作',
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'签约', '落地', '试点', '示范', '转化', '专利', '孵化',
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];
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/**
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* @return array{0: Carbon, 1: Carbon}
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*/
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public function resolvePreviousWeek(?Carbon $reference = null): array
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{
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return $this->resolveWeekByOffset(1, $reference);
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}
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/**
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* @return array{0: Carbon, 1: Carbon}
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*/
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public function resolveWeekByOffset(int $offset = 0, ?Carbon $reference = null): array
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{
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$ref = ($reference ?? now())->copy()->timezone('Asia/Shanghai')->startOfDay();
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$weekStart = $ref->copy()->startOfWeek(Carbon::MONDAY)->subWeeks($offset);
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if ($offset === 0) {
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$weekEnd = $ref->copy()->endOfDay();
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} else {
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$weekEnd = $weekStart->copy()->endOfWeek(Carbon::SUNDAY)->endOfDay();
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}
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return [$weekStart, $weekEnd];
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}
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/**
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* @return list<array{offset:int,label:string,week_start:string,week_end:string}>
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*/
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public function weekOptions(int $count = 8, ?Carbon $reference = null): array
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{
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$options = [];
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for ($offset = 0; $offset < $count; $offset++) {
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[$start, $end] = $this->resolveWeekByOffset($offset, $reference);
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$options[] = [
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'offset' => $offset,
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'label' => $offset === 0 ? '本周（截至今日）' : ($offset === 1 ? '上周' : "前{$offset}周"),
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'week_start' => $start->toDateString(),
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'week_end' => $end->toDateString(),
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];
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}
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return $options;
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}
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public function generate(Carbon $weekStart, Carbon $weekEnd, ?int $adminUserId = null, bool $replace = true): WeeklyBrief
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{
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$weekStart = $weekStart->copy()->timezone('Asia/Shanghai')->startOfDay();
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$weekEnd = $weekEnd->copy()->timezone('Asia/Shanghai')->endOfDay();
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$papers = $this->fetchPapers($weekStart, $weekEnd);
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$newsItems = $this->fetchNews($weekStart, $weekEnd);
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$teachers = $this->fetchTeachers($weekStart, $weekEnd);
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$scoredPapers = $papers->map(fn (Paper $paper) => [
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'paper' => $paper,
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'track' => $this->resolvePaperTrack($paper),
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'score' => $this->scorePaper($paper),
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'maturity' => $this->assessMaturity($paper),
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])->sortByDesc('score')->values();
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$trackCounts = $scoredPapers->groupBy('track')->map->count();
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$highValuePapers = $scoredPapers->filter(fn ($row) => $row['score'] >= 60)->values();
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$topTracks = $trackCounts->sortDesc()->take(3)->keys()->all();
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$generatedAt = now()->timezone('Asia/Shanghai');
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$titleDate = $this->formatChineseDate($generatedAt);
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$periodLabel = $weekStart->format('Y年n月j日').' - '.$weekEnd->format('Y年n月j日');
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$title = "高校科技成果周报 | {$titleDate}";
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$lines = [];
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$lines[] = "# {$title}";
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$lines[] = '';
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$lines[] = "> 统计周期：{$periodLabel}（Asia/Shanghai）";
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$lines[] = '';
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$lines[] = '---';
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$lines[] = '';
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$refIndex = 1;
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$references = [];
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$lines[] = '## 一、总览';
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$lines[] = '';
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$lines[] = '### 1、赛道热度拐点';
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$lines[] = '';
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if ($topTracks === []) {
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$lines[] = '_本周暂无足够论文数据识别赛道拐点。_';
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} else {
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foreach ($topTracks as $trackKey) {
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$label = self::TRACKS[$trackKey] ?? $trackKey;
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$count = (int) ($trackCounts[$trackKey] ?? 0);
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$lines[] = "- **{$label}**：本周入库 {$count} 篇，技术突破相对集中";
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}
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}
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$lines[] = '';
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$lines[] = '### 2、核心突破';
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$lines[] = '';
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$coreBreakthroughs = $highValuePapers->take(5);
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if ($coreBreakthroughs->isEmpty()) {
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$lines[] = '_本周暂无可落地、可商业化的关键技术进展。_';
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} else {
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foreach ($coreBreakthroughs as $row) {
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/** @var Paper $paper */
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$paper = $row['paper'];
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$trackLabel = self::TRACKS[$row['track']] ?? $row['track'];
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$lines[] = '- **'.$this->truncate($paper->title, 120).'**（'.$trackLabel.'）：'.$this->truncate($this->extractInnovation($paper), 160);
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}
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}
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$lines[] = '';
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$lines[] = '### 3、项目机会';
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$lines[] = '';
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$projectHints = $this->buildProjectOpportunities($scoredPapers, $teachers);
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if ($projectHints === []) {
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$lines[] = '_本周暂无新增值得跟踪的高校创业团队或可转化实验室成果。_';
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} else {
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foreach ($projectHints as $hint) {
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$lines[] = '- '.$hint;
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}
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}
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$lines[] = '';
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$lines[] = '### 4、数据总结';
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$lines[] = '';
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$total = $papers->count();
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$highValueCount = $highValuePapers->count();
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$lines[] = "- 本周有效检索论文总量：**{$total}** 篇";
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$lines[] = "- 高价值产业级论文数量：**{$highValueCount}** 篇";
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$lines[] = '- 各赛道分布占比：'.$this->formatTrackDistribution($trackCounts, $total);
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$lines[] = '';
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$lines[] = '---';
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$lines[] = '';
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$lines[] = '## 二、技术突破盘点';
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$lines[] = '';
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foreach (self::TRACKS as $trackKey => $trackLabel) {
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$trackPapers = $scoredPapers->where('track', $trackKey)->take(5)->values();
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$lines[] = "### {$trackLabel}";
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$lines[] = '';
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if ($trackPapers->isEmpty()) {
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$lines[] = '_本周该赛道暂无论文入库。_';
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$lines[] = '';
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continue;
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}
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$lines[] = '**1、技术突破**';
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$lines[] = '';
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$idx = 1;
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foreach ($trackPapers as $row) {
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/** @var Paper $paper */
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$paper = $row['paper'];
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$lines[] = "{$idx}. **{$paper->title}**";
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$lines[] = ' - 核心创新点：'.$this->extractInnovation($paper);
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if ($paper->authors) {
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$lines[] = ' - 作者团队：'.$this->truncate($this->cleanText($paper->authors), 100);
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}
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$source = $this->appendReference($paper->source_site ?: '论文来源', $paper->url, $refIndex, $references);
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$lines[] = ' - 来源：'.$source;
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$lines[] = '';
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$idx++;
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}
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$lines[] = '**2、产业化成熟度判定**';
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$lines[] = '';
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$maturityGroups = $trackPapers->groupBy('maturity');
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foreach (['可直接量产落地', '中试优化', '小试可行', '实验室原理验证'] as $level) {
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$count = $maturityGroups->get($level)?->count() ?? 0;
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if ($count > 0) {
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$lines[] = "- {$level}：{$count} 篇";
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}
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}
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$lines[] = '';
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$lines[] = '**3、商业价值**';
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$lines[] = '';
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$sample = $trackPapers->first();
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/** @var Paper|null $samplePaper */
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$samplePaper = $sample['paper'] ?? null;
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if ($samplePaper) {
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$lines[] = $this->assessCommercialValue($samplePaper);
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} else {
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$lines[] = '_待进一步评估。_';
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}
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$lines[] = '';
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}
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$lines[] = '---';
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$lines[] = '';
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$lines[] = '## 三、产业级重磅论文';
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$lines[] = '';
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$lines[] = '筛选本周具备投资影响力的核心论文前 10 篇：';
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$lines[] = '';
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$topTen = $scoredPapers->take(10);
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if ($topTen->isEmpty()) {
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$lines[] = '_本周暂无符合条件的论文。_';
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} else {
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$index = 1;
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foreach ($topTen as $row) {
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/** @var Paper $paper */
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$paper = $row['paper'];
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$trackLabel = self::TRACKS[$row['track']] ?? $row['track'];
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$lines[] = "### {$index}. {$paper->title}";
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$lines[] = '- **发表期刊/平台**：'.($paper->source_site ?: 'arXiv / 预印本');
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$lines[] = '- **作者团队**：'.($this->cleanText($paper->authors) ?: '待补充');
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$lines[] = '- **所属高校/实验室**：'.($paper->school_name ?: '待关联');
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if ($paper->published_at) {
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$lines[] = '- **发表时间**：'.$paper->published_at->format('Y年n月j日');
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}
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$lines[] = '- **所属赛道**：'.$trackLabel;
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$lines[] = '- **可转化落地可能性**：'.$this->assessConversionPotential($row['score'], $row['maturity']);
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$source = $this->appendReference('论文链接', $paper->url, $refIndex, $references);
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$lines[] = '- **来源**：'.$source;
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$lines[] = '';
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$index++;
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}
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}
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$lines[] = '---';
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$lines[] = '';
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$lines[] = '## 四、潜在项目挖掘';
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$lines[] = '';
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$lines = array_merge($lines, $this->renderPotentialProjects($scoredPapers, $teachers));
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$lines[] = '---';
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$lines[] = '';
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$lines[] = '## 五、专利&产学研联动动态';
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$lines[] = '';
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$coopNews = $newsItems->filter(fn (News $n) => $this->matchesKeywords($n->title.' '.($n->summary ?? ''), self::COOP_KEYWORDS));
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if ($coopNews->isEmpty()) {
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$lines[] = '_本周暂无产学研合作或技术转化公开动态。_';
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} else {
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$index = 1;
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foreach ($coopNews->take(12) as $news) {
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$lines = array_merge($lines, $this->renderCoopNewsEntry($index, $news, $refIndex, $references));
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$index++;
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}
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}
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$lines[] = '---';
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$lines[] = '';
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$lines[] = '## 参考来源汇总';
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$lines[] = '';
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foreach ($references as $i => $ref) {
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$num = $i + 1;
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$lines[] = "{$num}. {$ref['label']} {$ref['url']}";
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}
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if ($references === []) {
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$lines[] = '_本周暂无外部来源链接。_';
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}
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$lines[] = '';
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$lines[] = '---';
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$lines[] = '';
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$lines[] = '*简报生成时间：'.$generatedAt->format('Y年n月j日 H:i').' (Asia/Shanghai)*';
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$markdown = implode("\n", $lines);
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$stats = [
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'papers_count' => $papers->count(),
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'high_value_papers_count' => $highValueCount,
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'news_count' => $newsItems->count(),
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'teachers_count' => $teachers->count(),
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'references_count' => count($references),
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'track_distribution' => $trackCounts->all(),
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'sections' => [
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'overview' => 1,
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'breakthrough' => $scoredPapers->count(),
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'top_papers' => $topTen->count(),
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'projects' => min(8, $teachers->count() + $scoredPapers->take(5)->count()),
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'coop' => $coopNews->count(),
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],
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];
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if ($replace) {
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WeeklyBrief::query()
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->whereDate('week_start', $weekStart->toDateString())
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->whereDate('week_end', $weekEnd->toDateString())
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->delete();
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}
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return WeeklyBrief::query()->create([
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'week_start' => $weekStart->toDateString(),
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'week_end' => $weekEnd->toDateString(),
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'title' => $title,
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'markdown' => $markdown,
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'stats_json' => $stats,
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'admin_user_id' => $adminUserId,
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'generated_at' => $generatedAt,
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]);
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}
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/**
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* @return Collection<int, Paper>
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*/
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protected function fetchPapers(Carbon $weekStart, Carbon $weekEnd): Collection
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{
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return Paper::query()
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->with('crawlJob')
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->whereNotNull('crawl_job_id')
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->whereBetween('created_at', [$weekStart, $weekEnd])
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->orderByDesc('published_at')
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->orderByDesc('id')
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->limit(200)
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->get();
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}
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/**
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* @return Collection<int, News>
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*/
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protected function fetchNews(Carbon $weekStart, Carbon $weekEnd): Collection
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{
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return News::query()
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->with('categoryItem')
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->whereNotNull('crawl_job_id')
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->whereBetween('created_at', [$weekStart, $weekEnd])
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->orderByDesc('published_at')
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->orderByDesc('id')
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->limit(80)
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->get();
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}
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/**
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* @return Collection<int, Teacher>
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*/
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protected function fetchTeachers(Carbon $weekStart, Carbon $weekEnd): Collection
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{
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return Teacher::query()
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->with(['university', 'researchDirections'])
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->whereBetween('created_at', [$weekStart, $weekEnd])
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->orderByDesc('id')
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->limit(30)
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->get();
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}
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protected function resolvePaperTrack(Paper $paper): string
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{
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$url = strtolower((string) ($paper->crawlJob?->request_url ?? ''));
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foreach (array_keys(self::TRACKS) as $track) {
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if (preg_match('#/list/'.$track.'(?:/|$|[?&#])#', $url)) {
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return $track;
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}
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if (preg_match('#categories?/'.$track.'#', $url)) {
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return $track;
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}
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}
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$haystack = strtolower($paper->title.' '.($paper->summary ?? '').' '.($paper->url ?? ''));
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if (str_contains($haystack, 'physics') || str_contains($haystack, 'quantum')) {
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return 'physics';
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}
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if (str_contains($haystack, 'math')) {
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return 'math';
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}
|
|
|
if (str_contains($haystack, 'eess') || str_contains($haystack, 'electrical')) {
|
|
|
return 'eess';
|
|
|
}
|
|
|
|
|
|
return 'cs';
|
|
|
}
|
|
|
|
|
|
protected function scorePaper(Paper $paper): int
|
|
|
{
|
|
|
$score = 40;
|
|
|
$text = $paper->title.' '.($paper->summary ?? '');
|
|
|
|
|
|
if ($paper->school_name) {
|
|
|
$score += 10;
|
|
|
}
|
|
|
if ($paper->authors) {
|
|
|
$score += 8;
|
|
|
}
|
|
|
if ($paper->published_at) {
|
|
|
$score += 5;
|
|
|
}
|
|
|
if ($this->matchesKeywords($text, self::HIGH_VALUE_KEYWORDS)) {
|
|
|
$score += 20;
|
|
|
}
|
|
|
if (mb_strlen($this->cleanText($paper->summary)) >= 120) {
|
|
|
$score += 7;
|
|
|
}
|
|
|
|
|
|
return min(100, $score);
|
|
|
}
|
|
|
|
|
|
protected function assessMaturity(Paper $paper): string
|
|
|
{
|
|
|
$text = $paper->title.' '.($paper->summary ?? '');
|
|
|
if ($this->matchesKeywords($text, ['量产', '部署', '商用', '落地应用', 'production', 'deployed'])) {
|
|
|
return '可直接量产落地';
|
|
|
}
|
|
|
if ($this->matchesKeywords($text, ['中试', 'pilot plant', 'scale-up', '示范线'])) {
|
|
|
return '中试优化';
|
|
|
}
|
|
|
if ($this->matchesKeywords($text, ['小试', 'prototype', '样机', '验证平台'])) {
|
|
|
return '小试可行';
|
|
|
}
|
|
|
|
|
|
return '实验室原理验证';
|
|
|
}
|
|
|
|
|
|
protected function extractInnovation(Paper $paper): string
|
|
|
{
|
|
|
$summary = $this->cleanText($paper->summary);
|
|
|
if ($summary !== '') {
|
|
|
return $this->truncate($summary, 220);
|
|
|
}
|
|
|
|
|
|
return '围绕「'.$this->truncate($paper->title, 80).'」提出方法或系统层面的创新，具备进一步工程化验证价值。';
|
|
|
}
|
|
|
|
|
|
protected function assessCommercialValue(Paper $paper): string
|
|
|
{
|
|
|
$text = $this->cleanText($paper->summary);
|
|
|
if ($text === '') {
|
|
|
return '- 降本/提效空间与下游应用场景需结合实验数据进一步量化；建议关注头部团队复现与工程化进度。';
|
|
|
}
|
|
|
|
|
|
return '- 降本提效：'.$this->truncate($text, 120)."\n".
|
|
|
'- 替代现有方案：需对照行业 baseline 评估性能/成本拐点'."\n".
|
|
|
'- 下游场景：'.($paper->school_name ? $paper->school_name.'相关方向' : '待结合赛道进一步拆解');
|
|
|
}
|
|
|
|
|
|
protected function assessConversionPotential(int $score, string $maturity): string
|
|
|
{
|
|
|
if ($score >= 75 && in_array($maturity, ['可直接量产落地', '中试优化'], true)) {
|
|
|
return '高（接近工程化/产业化窗口）';
|
|
|
}
|
|
|
if ($score >= 60) {
|
|
|
return '中（具备跟踪价值，需验证复现与场景）';
|
|
|
}
|
|
|
|
|
|
return '低（偏基础研究，可作为技术雷达储备）';
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @param Collection<string, int> $trackCounts
|
|
|
*/
|
|
|
protected function formatTrackDistribution(Collection $trackCounts, int $total): string
|
|
|
{
|
|
|
if ($total <= 0) {
|
|
|
return '暂无数据';
|
|
|
}
|
|
|
|
|
|
$parts = [];
|
|
|
foreach (self::TRACKS as $key => $label) {
|
|
|
$count = (int) ($trackCounts[$key] ?? 0);
|
|
|
$percent = (int) round($count / $total * 100);
|
|
|
$parts[] = "{$label} {$percent}%（{$count}篇）";
|
|
|
}
|
|
|
|
|
|
return implode('；', $parts);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @param Collection<int, array{paper: Paper, track: string, score: int, maturity: string}> $scoredPapers
|
|
|
* @param Collection<int, Teacher> $teachers
|
|
|
* @return list<string>
|
|
|
*/
|
|
|
protected function buildProjectOpportunities(Collection $scoredPapers, Collection $teachers): array
|
|
|
{
|
|
|
$hints = [];
|
|
|
foreach ($teachers->take(5) as $teacher) {
|
|
|
$uni = $teacher->university?->name ?: $teacher->university_text ?: '国内高校';
|
|
|
$dirs = $teacher->researchDirections->pluck('name')->join('、') ?: '细分方向待补充';
|
|
|
$hints[] = "新增团队：**{$uni} · {$teacher->name}**（{$dirs}），建议纳入长期跟踪池";
|
|
|
}
|
|
|
|
|
|
foreach ($scoredPapers->take(3) as $row) {
|
|
|
/** @var Paper $paper */
|
|
|
$paper = $row['paper'];
|
|
|
if ($row['score'] < 55) {
|
|
|
continue;
|
|
|
}
|
|
|
$trackLabel = self::TRACKS[$row['track']] ?? $row['track'];
|
|
|
$hints[] = "可转化成果：**{$paper->title}**（{$trackLabel}），成熟度：{$row['maturity']}";
|
|
|
}
|
|
|
|
|
|
return $hints;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @param Collection<int, array{paper: Paper, track: string, score: int, maturity: string}> $scoredPapers
|
|
|
* @param Collection<int, Teacher> $teachers
|
|
|
* @return list<string>
|
|
|
*/
|
|
|
protected function renderPotentialProjects(Collection $scoredPapers, Collection $teachers): array
|
|
|
{
|
|
|
$lines = [];
|
|
|
if ($teachers->isEmpty() && $scoredPapers->isEmpty()) {
|
|
|
$lines[] = '_本周暂无高辨识度核心团队或高价值成果。_';
|
|
|
$lines[] = '';
|
|
|
|
|
|
return $lines;
|
|
|
}
|
|
|
|
|
|
$index = 1;
|
|
|
foreach ($teachers->take(8) as $teacher) {
|
|
|
$uni = $teacher->university?->name ?: $teacher->university_text ?: '国内高校';
|
|
|
$dirs = $teacher->researchDirections->pluck('name')->join('、') ?: '待补充';
|
|
|
$lines[] = "### {$index}. {$uni} · {$teacher->name}";
|
|
|
$lines[] = '- **团队背景**：'.($teacher->bio ? $this->truncate($this->cleanText($teacher->bio), 180) : ($teacher->title ?: '职称/履历待补充'));
|
|
|
$lines[] = '- **技术稀缺性**：长期深耕「'.$dirs.'」，可对比行业现有方案评估差异化';
|
|
|
$lines[] = '- **技术进度**：'.$teacher->created_at?->format('Y-m-d').' 入库，建议结合论文/专利进一步核验';
|
|
|
$lines[] = '';
|
|
|
$index++;
|
|
|
}
|
|
|
|
|
|
foreach ($scoredPapers->take(5) as $row) {
|
|
|
/** @var Paper $paper */
|
|
|
$paper = $row['paper'];
|
|
|
$lines[] = "### {$index}. {$paper->title}";
|
|
|
$lines[] = '- **团队背景**：'.($this->cleanText($paper->authors) ?: '作者信息待补充');
|
|
|
$lines[] = '- **技术稀缺性**：'.self::TRACKS[$row['track']].' 赛道，'.$this->assessConversionPotential($row['score'], $row['maturity']);
|
|
|
$lines[] = '- **技术进度**：'.$row['maturity'];
|
|
|
$lines[] = '';
|
|
|
$index++;
|
|
|
}
|
|
|
|
|
|
return $lines;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @param list<array{label: string, url: string}> $references
|
|
|
* @return list<string>
|
|
|
*/
|
|
|
protected function renderCoopNewsEntry(int $index, News $news, int &$refIndex, array &$references): array
|
|
|
{
|
|
|
$lines = [];
|
|
|
$lines[] = "### {$index}. {$news->title}";
|
|
|
|
|
|
$summary = $this->cleanText($news->summary);
|
|
|
if ($summary !== '') {
|
|
|
$lines[] = '- **合作/转化进展**：'.$this->truncate($summary, 240);
|
|
|
}
|
|
|
|
|
|
$text = $news->title.' '.$summary;
|
|
|
$flags = [];
|
|
|
if ($this->matchesKeywords($text, ['头部企业', '联合研究', '联合实验室'])) {
|
|
|
$flags[] = '与头部企业联合研究';
|
|
|
}
|
|
|
if ($this->matchesKeywords($text, ['投资', '融资', '产业资本', '基金'])) {
|
|
|
$flags[] = '产业资本介入';
|
|
|
}
|
|
|
if ($this->matchesKeywords($text, ['试点', '示范', '落地', '应用'])) {
|
|
|
$flags[] = '落地试点应用';
|
|
|
}
|
|
|
if ($flags !== []) {
|
|
|
$lines[] = '- **产学研信号**：'.implode('；', $flags);
|
|
|
}
|
|
|
|
|
|
if ($news->published_at) {
|
|
|
$lines[] = '- **时间**：'.$news->published_at->timezone('Asia/Shanghai')->format('Y年n月j日');
|
|
|
}
|
|
|
|
|
|
$label = $news->source_site ?: ($news->source ?: '资讯来源');
|
|
|
$source = $this->appendReference($label, $news->source_url ?: $news->cover_url, $refIndex, $references);
|
|
|
$lines[] = '- **来源**：'.$source;
|
|
|
$lines[] = '';
|
|
|
|
|
|
return $lines;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @param list<string> $keywords
|
|
|
*/
|
|
|
protected function matchesKeywords(string $text, array $keywords): bool
|
|
|
{
|
|
|
foreach ($keywords as $keyword) {
|
|
|
if ($keyword !== '' && Str::contains($text, $keyword)) {
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @param list<array{label: string, url: string}> $references
|
|
|
*/
|
|
|
protected function appendReference(string $label, ?string $url, int &$refIndex, array &$references): string
|
|
|
{
|
|
|
$label = $this->cleanText($label) ?: '来源';
|
|
|
$url = trim((string) $url);
|
|
|
if ($url === '' || ! preg_match('#^https?://#i', $url)) {
|
|
|
return $label;
|
|
|
}
|
|
|
|
|
|
foreach ($references as $ref) {
|
|
|
if ($ref['url'] === $url) {
|
|
|
return "[{$label}]({$url})";
|
|
|
}
|
|
|
}
|
|
|
|
|
|
$references[] = ['label' => $label.' - '.$this->briefTitleFromUrl($url), 'url' => $url];
|
|
|
$refIndex++;
|
|
|
|
|
|
return "[{$label}]({$url})";
|
|
|
}
|
|
|
|
|
|
protected function briefTitleFromUrl(string $url): string
|
|
|
{
|
|
|
$host = parse_url($url, PHP_URL_HOST) ?: $url;
|
|
|
|
|
|
return Str::limit($host, 48, '');
|
|
|
}
|
|
|
|
|
|
protected function formatChineseDate(Carbon $date): string
|
|
|
{
|
|
|
return $date->format('Y年n月j日');
|
|
|
}
|
|
|
|
|
|
protected function cleanText(?string $text): string
|
|
|
{
|
|
|
if ($text === null || trim($text) === '') {
|
|
|
return '';
|
|
|
}
|
|
|
|
|
|
return trim(preg_replace('/\s+/u', ' ', strip_tags($text)) ?? '');
|
|
|
}
|
|
|
|
|
|
protected function truncate(string $text, int $limit): string
|
|
|
{
|
|
|
if (mb_strlen($text) <= $limit) {
|
|
|
return $text;
|
|
|
}
|
|
|
|
|
|
return mb_substr($text, 0, $limit - 1).'…';
|
|
|
}
|
|
|
}
|
