feat: add note module and route fixes
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nepiedg
@@ -0,0 +1,228 @@
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<?php
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declare(strict_types=1);
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namespace app\note\service;
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use app\note\model\NoteAiSummary;
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use app\note\model\NoteItem;
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/**
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* note 模块 AI 总结服务
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*
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* 当前先提供规则版总结，保证接口可用。
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* 后续如需接入大模型，可在本服务内部替换实现，不影响控制器接口。
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*/
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class AiService
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{
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/**
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* 生成或刷新总结
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*
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* @param NoteItem $note
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* @param string $summaryType
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* @param bool $forceRefresh
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* @return array
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*/
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public function createSummary(NoteItem $note, string $summaryType = 'brief', bool $forceRefresh = false): array
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{
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$summaryType = in_array($summaryType, ['brief', 'outline', 'todo'], true) ? $summaryType : 'brief';
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$existing = NoteAiSummary::findLatestByNoteId((int) $note->id);
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if ($existing && !$forceRefresh && $existing->status === 'success') {
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return $this->formatSummary($existing);
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}
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$sourceText = trim((string) $note->content);
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if ($sourceText === '') {
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$sourceText = trim((string) $note->transcript_text);
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}
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if ($sourceText === '') {
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throw new \Exception('笔记内容为空，无法生成总结', 400);
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}
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$generated = $this->generateSummaryPayload($sourceText, $summaryType);
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$now = time();
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$summary = $existing ?: new NoteAiSummary();
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if (!$existing) {
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$summary->note_id = (int) $note->id;
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$summary->created_at = $now;
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}
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$summary->summary_type = $summaryType;
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$summary->summary_text = $generated['summary_text'];
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$summary->todo_list = json_encode($generated['todo_list'], JSON_UNESCAPED_UNICODE);
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$summary->keywords = json_encode($generated['keywords'], JSON_UNESCAPED_UNICODE);
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$summary->status = 'success';
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$summary->error_message = '';
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$summary->updated_at = $now;
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$summary->save();
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$note->summary_status = 'success';
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$note->updated_at = $now;
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$note->save();
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return $this->formatSummary($summary);
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}
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/**
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* 读取总结
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*
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* @param int $noteId
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* @return array
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* @throws \Exception
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*/
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public function getSummary(int $noteId): array
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{
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$summary = NoteAiSummary::findLatestByNoteId($noteId);
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if (!$summary) {
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throw new \Exception('该笔记暂无总结结果', 404);
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}
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return $this->formatSummary($summary);
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}
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/**
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* 生成规则版总结
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*
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* @param string $text
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* @param string $summaryType
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* @return array
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*/
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private function generateSummaryPayload(string $text, string $summaryType): array
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{
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$sentences = $this->splitSentences($text);
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$summarySentences = array_slice($sentences, 0, $summaryType === 'outline' ? 5 : 3);
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$summaryText = implode("\n", array_map(function ($item, $index) use ($summaryType) {
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if ($summaryType === 'outline') {
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return sprintf('%d. %s', $index + 1, $item);
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}
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return $item;
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}, $summarySentences, array_keys($summarySentences)));
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$todoList = $this->extractTodoList($text);
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$keywords = $this->extractKeywords($text);
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if ($summaryType === 'todo' && !empty($todoList)) {
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$summaryText = "待办事项：\n" . implode("\n", array_map(function ($item, $index) {
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return sprintf('%d. %s', $index + 1, $item);
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}, $todoList, array_keys($todoList)));
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}
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return [
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'summary_text' => $summaryText !== '' ? $summaryText : mb_substr($text, 0, 200),
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'todo_list' => $todoList,
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'keywords' => $keywords,
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];
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}
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/**
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* 切分句子
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*
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* @param string $text
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* @return array
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*/
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private function splitSentences(string $text): array
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{
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$normalized = preg_replace('/\s+/', ' ', trim($text));
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$parts = preg_split('/[。！？!?；;\n\r]+/u', (string) $normalized);
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$parts = array_values(array_filter(array_map('trim', $parts), function ($item) {
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return $item !== '';
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}));
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return empty($parts) ? [mb_substr($normalized, 0, 200)] : $parts;
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}
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/**
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* 提取待办
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*
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* @param string $text
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* @return array
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*/
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private function extractTodoList(string $text): array
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{
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$lines = preg_split('/[\n\r]+/u', $text);
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$todoList = [];
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foreach ($lines as $line) {
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$line = trim($line);
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if ($line === '') {
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continue;
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}
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if (preg_match('/^(待办|todo|todo:|TODO|TODO:|需要|安排|跟进|完成|处理)/u', $line)) {
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$todoList[] = $line;
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}
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}
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if (!empty($todoList)) {
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return array_slice(array_values(array_unique($todoList)), 0, 10);
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}
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$sentences = $this->splitSentences($text);
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$fallback = [];
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foreach ($sentences as $sentence) {
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if (preg_match('/(需要|安排|跟进|完成|处理|确认|整理|联系)/u', $sentence)) {
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$fallback[] = $sentence;
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}
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}
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return array_slice(array_values(array_unique($fallback)), 0, 10);
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}
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/**
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* 提取关键词
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*
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* @param string $text
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* @return array
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*/
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private function extractKeywords(string $text): array
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{
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preg_match_all('/[\x{4e00}-\x{9fa5}A-Za-z0-9]{2,20}/u', $text, $matches);
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$words = $matches[0] ?? [];
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$stopWords = ['我们', '你们', '他们', '这个', '那个', '然后', '以及', '因为', '所以', '可以', '进行', '一个', '没有', '已经', '需要', '今天', '目前', '如果', '就是'];
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$countMap = [];
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foreach ($words as $word) {
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if (in_array($word, $stopWords, true)) {
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continue;
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}
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$countMap[$word] = ($countMap[$word] ?? 0) + 1;
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}
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arsort($countMap);
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return array_slice(array_keys($countMap), 0, 10);
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}
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/**
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* 格式化总结结果
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*
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* @param NoteAiSummary $summary
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* @return array
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*/
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private function formatSummary(NoteAiSummary $summary): array
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{
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return [
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'summary_id' => (int) $summary->id,
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'note_id' => (int) $summary->note_id,
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'summary_type' => (string) $summary->summary_type,
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'summary_text' => (string) $summary->summary_text,
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'todo_list' => $this->decodeJsonList((string) $summary->todo_list),
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'keywords' => $this->decodeJsonList((string) $summary->keywords),
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'status' => (string) $summary->status,
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'error_message' => (string) $summary->error_message,
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'created_at' => (int) $summary->created_at,
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'updated_at' => (int) $summary->updated_at,
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];
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}
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/**
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* 解析 JSON 列表
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*
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* @param string $value
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* @return array
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*/
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private function decodeJsonList(string $value): array
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{
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$decoded = json_decode($value, true);
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return is_array($decoded) ? $decoded : [];
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}
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}
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