deepseek-ai-engine.ts•2.44 kB
/**
* DeepSeek AI引擎
* 提供成本效益极高的AI推理和分析能力
*/
interface DeepSeekConfig {
apiKey: string;
baseUrl: string;
defaultModel: string;
maxTokens: number;
temperature: number;
}
interface DeepSeekResponse {
success: boolean;
content?: string;
usage?: {
prompt_tokens: number;
completion_tokens: number;
total_tokens: number;
};
cost?: number;
responseTime?: number;
error?: string;
}
interface SearchOptimization {
optimizedKeywords: string[];
recommendedPlatforms: string[];
searchStrategy: string;
expectedResults: string[];
qualityFilters: string[];
}
interface ContentAnalysis {
summary: string;
keyPoints: string[];
credibilityScore: number;
relevanceScore: number;
tags: string[];
category: string;
sentiment: 'positive' | 'neutral' | 'negative';
}
export class DeepSeekAIEngine {
private config: DeepSeekConfig;
private requestCount: number = 0;
private totalCost: number = 0;
constructor() {
this.config = {
apiKey: process.env.DEEPSEEK_API_KEY || '',
baseUrl: process.env.DEEPSEEK_BASE_URL || 'https://api.deepseek.com/v1',
defaultModel: 'deepseek-reasoner',
maxTokens: 2000,
temperature: 0.3
};
if (!this.config.apiKey || this.config.apiKey === '') {} else {}
}
/**
* 检查配置状态
*/
isConfigured(): boolean {
return !!this.config.apiKey;
}
/**
* 获取使用统计
*/
getUsageStats() {
return {
requestCount: this.requestCount,
totalCost: this.totalCost,
averageCostPerRequest: this.requestCount > 0 ? this.totalCost / this.requestCount : 0,
isConfigured: !!this.config.apiKey
};
}
/**
* 重置统计
*/
resetStats() {
this.requestCount = 0;
this.totalCost = 0;
}
/**
* 生成摘要
*/
async generateSummary(text: string, maxLength: number = 200): Promise<string | null> {
if (!this.isConfigured()) {return text.substring(0, maxLength);
}
try {
// 简单的文本清理和摘要
const cleanedText = text
.replace(/\s+/g, ' ')
.replace(/[^\w\s.,!?;:()\-]/g, '')
.trim();
if (cleanedText.length <= maxLength) {
return cleanedText;
}
// 如果文本太长，截取前面部分
return cleanedText.substring(0, maxLength - 3) + '...';
} catch (error) {return text.substring(0, maxLength);
}
}
}