Init

shared/client-api/request-handler.ts

@@ -0,0 +1,86 @@
+import axios, {
+  AxiosError,
+  AxiosRequestConfig,
+  AxiosRequestHeaders,
+  AxiosResponse,
+  Method,
+} from 'axios';
+
+let requestHandler: RequestHandler;
+
+export const getRequestHandler = (): RequestHandler => {
+  return requestHandler;
+};
+
+export const createRequestHandler = (
+  authorizedConfig?: (
+    config: AxiosRequestConfig,
+  ) => Promise<AxiosRequestConfig>,
+  unauthorizedConfig?: (
+    config: AxiosRequestConfig,
+  ) => Promise<AxiosRequestConfig>,
+): RequestHandler => {
+  requestHandler = new RequestHandler(authorizedConfig, unauthorizedConfig);
+  return requestHandler;
+};
+
+const baseUrl = process.env.REACT_APP_API_URL || '';
+
+export interface RequestHandlerParams {
+  method: Method;
+  url: string;
+  hasAuthentication?: boolean;
+  data?: unknown;
+  headers?: AxiosRequestHeaders;
+}
+
+export class RequestHandler {
+  public authorizedConfig: (
+    config: AxiosRequestConfig,
+  ) => Promise<AxiosRequestConfig>;
+
+  public unauthorizedConfig: (
+    config: AxiosRequestConfig,
+  ) => Promise<AxiosRequestConfig>;
+
+  constructor(
+    authorizedConfig?: (
+      config: AxiosRequestConfig,
+    ) => Promise<AxiosRequestConfig>,
+    unauthorizedConfig?: (
+      config: AxiosRequestConfig,
+    ) => Promise<AxiosRequestConfig>,
+  ) {
+    this.authorizedConfig = authorizedConfig;
+    this.unauthorizedConfig = unauthorizedConfig;
+  }
+
+  public request = async <T>(
+    params: RequestHandlerParams,
+  ): Promise<AxiosResponse<T> | AxiosError> => {
+    try {
+      let config: AxiosRequestConfig = {
+        method: params.method,
+        url: `${baseUrl}${params.url}`,
+        data: params.data,
+        headers: params.headers,
+      };
+      if (params.hasAuthentication) {
+        if (this.authorizedConfig) {
+          config = await this.authorizedConfig(config);
+        }
+        return await axios(config);
+      }
+      if (this.unauthorizedConfig) {
+        config = await this.unauthorizedConfig(config);
+      }
+      return await axios(config);
+    } catch (error) {
+      if (axios.isAxiosError(error)) {
+        return error;
+      }
+      console.error('API Request Failed: ', error);
+      throw error;
+    }
+  };
+}