add: weather api

Author: Junyi-99

src/agents/weather.ts

@@ -0,0 +1,59 @@
+import { BaseAgent } from './base';
+
+/*
+
+message WeatherResult {
+  string country = 1;
+  string region = 2;
+  string localtime = 3;
+  float temperature = 4;
+  repeated string weather_descriptions = 5;
+  float humidity = 6;
+  float wind_speed = 7;
+  float wind_dir = 8;
+  float cloudcover = 9;
+  float feelslike = 10;
+  float uv_index = 11;
+}
+*/
+
+interface WeatherResult {
+  country: string;
+  region: string;
+  localtime: string;
+  temperature: number;
+  weather_descriptions: string[];
+  humidity: number;
+  wind_speed: number;
+  wind_dir: number;
+  cloudcover: number;
+  feelslike: number;
+  uv_index: number;
+}
+
+export class WeatherAgent extends BaseAgent {
+  constructor() {
+    super();
+  }
+
+  async getWeather(city: string, country: string) {
+    const weatherApiKey = "a766256befc0904d3ff5edb4f8e5b3a9"
+    const response = await fetch(`https://api.weatherstack.com/current?access_key=${weatherApiKey}&query=${city},${country}`);
+    const data = await response.json();
+
+    const result: WeatherResult = {
+      country: data.location.country,
+      region: data.location.region,
+      localtime: data.location.localtime,
+      temperature: data.current.temperature,
+      weather_descriptions: data.current.weather_descriptions,
+      humidity: data.current.humidity,
+      wind_speed: data.current.wind_speed,
+      wind_dir: data.current.wind_dir,
+      cloudcover: data.current.cloudcover,
+      feelslike: data.current.feelslike,
+      uv_index: data.current.uv_index,
+    };
+    return result;
+  }
+}

src/app.ts

@@ -12,6 +12,7 @@ import { joinSuggestions, PaperScoreResultSchema } from './agents/paper-score.sc
 import { z } from 'zod';
 import { asyncHandler } from './middleware/error-handler';
 import { Server } from 'http';
+import { WeatherAgent } from './agents/weather';
 
 export const app = express();
 const port = process.env['PORT'] || 8000;
@@ -30,6 +31,7 @@ const paperClassifier = new PaperClassificationAgent();
 const paperScoreAgent = new PaperScoreAgent();
 const paperMatchWeaknessSectionsAgent = new PaperMatchWeaknessSectionsAgent();
 const paperScoreSummaryAgent = new PaperReviewSummaryWeaknessAgent();
+const weatherAgent = new WeatherAgent();
 
 app.get('/', (_: Request, res: Response) => {
   res.send('Hello, TypeScript Express!');
@@ -71,6 +73,11 @@ const ScorePaperRequestSchema = z.object({
   ] as const),
 });
 
+const WeatherRequestSchema = z.object({
+  city: z.string().min(1, 'city is required'),
+  country: z.string().min(1, 'country is required'),
+});
+
 app.post(
   '/paper-score-comments',
   asyncHandler(async (req: Request, res: Response) => {
@@ -144,6 +151,16 @@ app.post(
   }),
 );
 
+// 获得天气
+app.get(
+  '/weather',
+  asyncHandler(async (req: Request, res: Response) => {
+    const { city, country } = WeatherRequestSchema.parse(req.query);
+    const result = await weatherAgent.getWeather(city, country);
+    res.send(result);
+  }),
+);
+
 // Global error handler
 app.use((err: Error, _: Request, res: Response, __: express.NextFunction) => {
   console.error('Unhandled error:', err);