WangDL
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B7 Feynman evaluation: POST /ai-analysis/feynman B8 Knowledge import: replaces DocumentImport setTimeout mock with AI B9 Review card generation: POST /reviews/generate-cards B10 Learning trend analysis: GET /activity/trend 4 workflows, 4 prompts, 4 schemas, all registered in AiModule. AiAnalysisRepository made generic to handle varied result shapes. DocumentImportService now calls KnowledgeImportWorkflow + saves to DB. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
66 lines
2.4 KiB
TypeScript
66 lines
2.4 KiB
TypeScript
import { Injectable } from '@nestjs/common';
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import { AiGatewayService } from '../gateway/ai-gateway.service';
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import { LearningTrendResultSchema } from '../prompts/schemas/learning-trend.schema';
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import type { LearningTrendResult } from '../prompts/schemas/learning-trend.schema';
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export interface LearningTrendInput {
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userId: string;
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periodDays: number;
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totalMinutes: number;
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sessionsCount: number;
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activeRecallCount: number;
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reviewCount: number;
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aiAnalysisCount: number;
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completedLoopCount: number;
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activityLevel: number;
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activeDays: number;
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dailyAverage: number;
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previousPeriod?: {
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totalMinutes: number;
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activeRecallCount: number;
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reviewCount: number;
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activeDays: number;
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};
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}
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@Injectable()
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export class LearningTrendWorkflow {
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constructor(private readonly gateway: AiGatewayService) {}
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async execute(input: LearningTrendInput): Promise<LearningTrendResult> {
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const prev = input.previousPeriod;
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const userMessage = [
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`【学习数据概览 — 最近 ${input.periodDays} 天】`,
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`总学习时长：${input.totalMinutes} 分钟`,
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`学习会话数：${input.sessionsCount} 次`,
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`主动回忆次数：${input.activeRecallCount} 次`,
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`复习卡片数：${input.reviewCount} 张`,
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`AI 分析次数：${input.aiAnalysisCount} 次`,
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`完成学习循环：${input.completedLoopCount} 次`,
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`活跃天数：${input.activeDays} 天`,
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`日均学习：${input.dailyAverage} 分钟`,
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`活跃度评分：${input.activityLevel}/10`,
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'',
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prev ? `【上一周期对比（${input.periodDays}天前）】` : '',
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prev ? `总时长：${prev.totalMinutes}分钟 | 主动回忆：${prev.activeRecallCount}次 | 复习：${prev.reviewCount}张 | 活跃天数：${prev.activeDays}天` : '',
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prev ? '' : '',
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`请根据以上数据生成学习趋势分析报告。`,
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prev ? '注意对比两个周期的变化趋势。' : '注意这是首次分析，没有历史对比数据，请关注绝对值和建议。',
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].join('\n');
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const response = await this.gateway.generate({
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feature: 'learning-trend',
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userId: input.userId,
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tier: 'primary',
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promptKey: 'learning-trend',
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promptVersion: '1.0.0',
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messages: [
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{ role: 'user', content: userMessage },
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],
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outputSchema: LearningTrendResultSchema,
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});
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return response.parsed as unknown as LearningTrendResult;
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}
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}
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