restructure scm-ui and use ui-components and ui-types

scm-ui-components/packages/ui-components/src/apiclient.js

@@ -0,0 +1,77 @@
+// @flow
+import { contextPath } from "./urls";
+
+export const NOT_FOUND_ERROR = Error("not found");
+export const UNAUTHORIZED_ERROR = Error("unauthorized");
+
+const fetchOptions: RequestOptions = {
+  credentials: "same-origin",
+  headers: {
+    Cache: "no-cache"
+  }
+};
+
+function handleStatusCode(response: Response) {
+  if (!response.ok) {
+    if (response.status === 401) {
+      throw UNAUTHORIZED_ERROR;
+    }
+    if (response.status === 404) {
+      throw NOT_FOUND_ERROR;
+    }
+    throw new Error("server returned status code " + response.status);
+  }
+  return response;
+}
+
+export function createUrl(url: string) {
+  if (url.includes("://")) {
+    return url;
+  }
+  let urlWithStartingSlash = url;
+  if (url.indexOf("/") !== 0) {
+    urlWithStartingSlash = "/" + urlWithStartingSlash;
+  }
+  return `${contextPath}/api/rest/v2${urlWithStartingSlash}`;
+}
+
+class ApiClient {
+  get(url: string): Promise<Response> {
+    return fetch(createUrl(url), fetchOptions).then(handleStatusCode);
+  }
+
+  post(url: string, payload: any, contentType: string = "application/json") {
+    return this.httpRequestWithJSONBody("POST", url, contentType, payload);
+  }
+
+  put(url: string, payload: any, contentType: string = "application/json") {
+    return this.httpRequestWithJSONBody("PUT", url, contentType, payload);
+  }
+
+  delete(url: string): Promise<Response> {
+    let options: RequestOptions = {
+      method: "DELETE"
+    };
+    options = Object.assign(options, fetchOptions);
+    return fetch(createUrl(url), options).then(handleStatusCode);
+  }
+
+  httpRequestWithJSONBody(
+    method: string,
+    url: string,
+    contentType: string,
+    payload: any
+  ): Promise<Response> {
+    let options: RequestOptions = {
+      method: method,
+      body: JSON.stringify(payload)
+    };
+    options = Object.assign(options, fetchOptions);
+    // $FlowFixMe
+    options.headers["Content-Type"] = contentType;
+
+    return fetch(createUrl(url), options).then(handleStatusCode);
+  }
+}
+
+export let apiClient = new ApiClient();