feat: 删除 知识库-终端 关联, 简化 prompt 配置
This commit is contained in:
@@ -2,8 +2,8 @@
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namespace App\Services;
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use App\Models\Terminal;
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use App\Models\Document;
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use App\Models\KnowledgeBase;
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use Illuminate\Support\Facades\Log;
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class KnowledgeContextService
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@@ -12,15 +12,14 @@ class KnowledgeContextService
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private const TOP_K = 5;
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/**
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* 搜索终端关联知识库中的文档
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* 搜索所有知识库中的文档
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*
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* @param Terminal $terminal
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* @param string $query
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* @return array{context: string, sources: array}
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*/
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public function search(Terminal $terminal, string $query): array
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public function search(string $query): array
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{
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$knowledgeBaseIds = $terminal->knowledgeBases->pluck('id')->toArray();
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$knowledgeBaseIds = KnowledgeBase::where('status', 'active')->pluck('id')->toArray();
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if (empty($knowledgeBaseIds)) {
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return [
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@@ -30,11 +29,18 @@ class KnowledgeContextService
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}
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try {
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// 使用 Scout/Meilisearch 原生过滤（与 DocumentSearchService 一致）
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$documents = Document::search($query)
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->whereIn('knowledge_base_id', $knowledgeBaseIds)
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->take(self::TOP_K)
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->get();
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// 使用 Scout/Meilisearch 搜索并获取排名分数
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$rawResults = Document::search($query, function ($meilisearch, $query, $options) use ($knowledgeBaseIds) {
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$options['showRankingScore'] = true;
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$filter = collect($knowledgeBaseIds)
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->map(fn($id) => "knowledge_base_id = {$id}")
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->implode(' OR ');
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$options['filter'] = $filter;
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$options['limit'] = self::TOP_K;
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return $meilisearch->search($query, $options);
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})->raw();
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$hits = $rawResults['hits'] ?? [];
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} catch (\Exception $e) {
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Log::warning('Knowledge search failed', [
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'query' => $query,
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@@ -47,17 +53,29 @@ class KnowledgeContextService
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];
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}
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if ($documents->isEmpty()) {
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if (empty($hits)) {
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return [
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'context' => '',
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'sources' => [],
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];
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}
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// 取出文档 ID 并加载 Eloquent 模型
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$hitIds = collect($hits)->pluck('id')->toArray();
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$documents = Document::whereIn('id', $hitIds)->get()->keyBy('id');
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// 构建排名分数映射
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$rankingScores = collect($hits)->pluck('_rankingScore', 'id');
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$context = '';
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$sources = [];
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foreach ($documents as $document) {
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foreach ($hits as $hit) {
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$document = $documents->get($hit['id']);
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if (!$document) {
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continue;
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}
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$snippet = $this->extractSnippet($document);
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if (mb_strlen($context) + mb_strlen($snippet) > self::MAX_CONTEXT_LENGTH) {
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@@ -66,9 +84,9 @@ class KnowledgeContextService
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$context .= $snippet . "\n\n";
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$sources[] = [
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'id' => $document->id,
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'title' => $document->title,
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'knowledge_base' => $document->knowledgeBase?->name,
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'id' => 'kb-doc-' . str_pad($document->id, 3, '0', STR_PAD_LEFT),
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'relevance' => round($rankingScores->get($document->id, 0), 2),
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];
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}
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@@ -1,168 +0,0 @@
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<?php
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namespace App\Services;
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use App\Models\Terminal;
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use Illuminate\Support\Facades\Auth;
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class PromptTemplateService
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{
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/**
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* 获取所有可用的模板
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*
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* @return array
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*/
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public function getTemplates(): array
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{
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return config('prompt_templates.templates', []);
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}
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/**
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* 根据ID获取模板
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*
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* @param string $templateId
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* @return array|null
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*/
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public function getTemplate(string $templateId): ?array
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{
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$templates = $this->getTemplates();
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foreach ($templates as $template) {
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if ($template['id'] === $templateId) {
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return $template;
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}
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}
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return null;
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}
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/**
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* 应用模板到终端
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*
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* @param Terminal $terminal
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* @param string $templateId
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* @return string
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*/
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public function applyTemplate(Terminal $terminal, string $templateId): string
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{
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$template = $this->getTemplate($templateId);
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if (!$template) {
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throw new \InvalidArgumentException("模板不存在: {$templateId}");
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}
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return $template['content'];
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}
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/**
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* 替换模板中的变量
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*
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* @param string $template
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* @param Terminal $terminal
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* @param array $additionalVars
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* @return string
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*/
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public function replaceVariables(string $template, Terminal $terminal, array $additionalVars = []): string
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{
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$variables = $this->getVariableValues($terminal, $additionalVars);
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foreach ($variables as $key => $value) {
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// 处理数组类型的变量
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if (is_array($value)) {
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$value = implode(', ', $value);
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}
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$template = str_replace('{' . $key . '}', $value, $template);
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}
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return $template;
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}
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/**
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* 获取变量的实际值
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*
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* @param Terminal $terminal
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* @param array $additionalVars
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* @return array
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*/
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public function getVariableValues(Terminal $terminal, array $additionalVars = []): array
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{
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$user = Auth::user();
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$now = now();
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$variables = [
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'user' => $user?->name ?? '访客',
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'user_id' => $user?->id ?? 0,
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'user_role' => $user?->roles?->first()?->name ?? '未知',
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'department' => $user?->department ?? '未知部门',
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'station' => $terminal->station_id ? "工作站 {$terminal->station_id}" : '未绑定工作站',
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'station_id' => $terminal->station_id ?? '未绑定',
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'terminal_name' => $terminal->name,
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'terminal_code' => $terminal->code,
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'time' => $now->format('Y-m-d H:i:s'),
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'date' => $now->format('Y-m-d'),
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'time_only' => $now->format('H:i:s'),
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'shift' => $this->getCurrentShift($now),
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'knowledge_bases' => $terminal->knowledgeBases->pluck('name')->toArray(),
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'company_name' => config('app.name', '公司名称'),
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];
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return array_merge($variables, $additionalVars);
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}
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/**
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* 根据时间判断当前班次
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*
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* @param \Illuminate\Support\Carbon $time
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* @return string
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*/
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protected function getCurrentShift($time): string
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{
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$hour = $time->hour;
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if ($hour >= 8 && $hour < 16) {
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return '早班';
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} elseif ($hour >= 16 && $hour < 24) {
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return '中班';
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} else {
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return '夜班';
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}
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}
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/**
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* 预览模板（替换变量后的结果）
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*
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* @param string $template
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* @param Terminal $terminal
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* @return string
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*/
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public function preview(string $template, Terminal $terminal): string
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{
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return $this->replaceVariables($template, $terminal);
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}
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/**
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* 验证模板中的变量是否都是有效的
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*
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* @param string $template
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* @return array 返回无效的变量列表
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*/
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public function validateVariables(string $template): array
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{
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$validVariables = array_column(config('prompt_variables.variables', []), 'name');
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// 提取模板中的所有变量
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preg_match_all('/\{([a-z_]+)\}/', $template, $matches);
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$usedVariables = $matches[1] ?? [];
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// 找出无效的变量
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$invalidVariables = array_diff($usedVariables, $validVariables);
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return array_values(array_unique($invalidVariables));
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}
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}
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