Fix axios 404 exceptions

Author: samgozman

backend/src/models/tightshorts/tightshorts.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import axios from 'axios';
+import type { AxiosRequestConfig } from 'axios';
 import { TightshortsRepository } from './tightshorts.repository';
 import type { ITightshorts } from './interfaces/tightshorts.interface';
 import type { ITightshortsChart } from './interfaces/chart.interface';
@@ -20,8 +21,8 @@ export class TightshortsService {
     return this.tightshortsRepository.set(stockTicker, data);
   }
 
-  async fetch(stockTicker: string): Promise<ITightshorts> {
-    const config = {
+  async fetch(stockTicker: string): Promise<ITightshorts | null> {
+    const config: AxiosRequestConfig<any> = {
       method: 'get',
       url: `${this.configService.get(
         'SHORT_API_URL',
@@ -30,9 +31,15 @@ export class TightshortsService {
         token: this.configService.get('SHORT_API_KEY'),
         'Content-Type': 'application/json',
       },
+      validateStatus: (status) =>
+        (status >= 200 && status < 300) || status === 404,
     };
 
-    const api = (await axios(config)).data;
+    const response = await axios(config);
+    if (response.status === 404) {
+      return null;
+    }
+    const api = response.data;
 
     const currentShortVolume =
       ((api.volume[0].shortVolume / api.volume[0].totalVolume) * 100).toFixed(