adding data-services

libs/api-client/src/BaseApiClient.ts

@@ -0,0 +1,39 @@
+import axios, { AxiosInstance, AxiosRequestConfig } from 'axios';
+import { ApiResponse } from '@stock-bot/shared-types';
+
+/**
+ * Base API client that all service clients extend
+ */
+export abstract class BaseApiClient {
+  protected client: AxiosInstance;
+  
+  constructor(baseURL: string, config?: AxiosRequestConfig) {
+    this.client = axios.create({
+      baseURL,
+      timeout: 10000, // 10 seconds timeout
+      ...config
+    });
+    
+    // Add response interceptor for consistent error handling
+    this.client.interceptors.response.use(
+      (response) => response.data,
+      (error) => {
+        // Format error for consistent error handling
+        const formattedError = {
+          status: error.response?.status || 500,
+          message: error.response?.data?.error || error.message || 'Unknown error',
+          originalError: error
+        };
+        
+        return Promise.reject(formattedError);
+      }
+    );
+  }
+  
+  /**
+   * Get the health status of a service
+   */
+  async getHealth(): Promise<ApiResponse<{ status: string }>> {
+    return this.client.get('/api/health');
+  }
+}