Split front and back end.

1 files changed, 134 insertions, 0 deletions

diff --git a/FrontEnd/src/app/http/user.ts b/FrontEnd/src/app/http/user.ts
new file mode 100644
index 00000000..a0a02cce
--- /dev/null
+++ b/FrontEnd/src/app/http/user.ts
@@ -0,0 +1,134 @@
+import axios, { AxiosError } from "axios";
+
+import {
+  apiBaseUrl,
+  convertToNetworkError,
+  extractResponseData,
+  convertToIfStatusCodeIs,
+  convertToIfErrorCodeIs,
+  NotModified,
+  BlobWithEtag,
+  convertToBlobWithEtag,
+  convertToNotModified,
+} from "./common";
+
+export interface HttpUser {
+  uniqueId: string;
+  username: string;
+  administrator: boolean;
+  nickname: string;
+}
+
+export interface HttpUserPatchRequest {
+  nickname?: string;
+}
+
+export interface HttpChangePasswordRequest {
+  oldPassword: string;
+  newPassword: string;
+}
+
+export class HttpUserNotExistError extends Error {
+  constructor(public innerError?: AxiosError) {
+    super();
+  }
+}
+
+export class HttpChangePasswordBadCredentialError extends Error {
+  constructor(public innerError?: AxiosError) {
+    super();
+  }
+}
+
+export interface IHttpUserClient {
+  get(username: string): Promise<HttpUser>;
+  patch(
+    username: string,
+    req: HttpUserPatchRequest,
+    token: string
+  ): Promise<HttpUser>;
+  getAvatar(username: string): Promise<BlobWithEtag>;
+  getAvatar(
+    username: string,
+    etag: string
+  ): Promise<BlobWithEtag | NotModified>;
+  putAvatar(username: string, data: Blob, token: string): Promise<void>;
+  changePassword(req: HttpChangePasswordRequest, token: string): Promise<void>;
+}
+
+export class HttpUserClient implements IHttpUserClient {
+  get(username: string): Promise<HttpUser> {
+    return axios
+      .get<HttpUser>(`${apiBaseUrl}/users/${username}`)
+      .then(extractResponseData)
+      .catch(convertToIfStatusCodeIs(404, HttpUserNotExistError))
+      .catch(convertToNetworkError);
+  }
+
+  patch(
+    username: string,
+    req: HttpUserPatchRequest,
+    token: string
+  ): Promise<HttpUser> {
+    return axios
+      .patch<HttpUser>(`${apiBaseUrl}/users/${username}?token=${token}`, req)
+      .then(extractResponseData)
+      .catch(convertToNetworkError);
+  }
+
+  getAvatar(username: string): Promise<BlobWithEtag>;
+  getAvatar(
+    username: string,
+    etag?: string
+  ): Promise<BlobWithEtag | NotModified> {
+    const headers =
+      etag != null
+        ? {
+            "If-None-Match": etag,
+          }
+        : undefined;
+
+    return axios
+      .get(`${apiBaseUrl}/users/${username}/avatar`, {
+        responseType: "blob",
+        headers,
+      })
+      .then(convertToBlobWithEtag)
+      .catch(convertToNotModified)
+      .catch(convertToIfStatusCodeIs(404, HttpUserNotExistError))
+      .catch(convertToNetworkError);
+  }
+
+  putAvatar(username: string, data: Blob, token: string): Promise<void> {
+    return axios
+      .put(`${apiBaseUrl}/users/${username}/avatar?token=${token}`, data, {
+        headers: {
+          "Content-Type": data.type,
+        },
+      })
+      .catch(convertToNetworkError)
+      .then();
+  }
+
+  changePassword(req: HttpChangePasswordRequest, token: string): Promise<void> {
+    return axios
+      .post(`${apiBaseUrl}/userop/changepassword?token=${token}`, req)
+      .catch(
+        convertToIfErrorCodeIs(11020201, HttpChangePasswordBadCredentialError)
+      )
+      .catch(convertToNetworkError)
+      .then();
+  }
+}
+
+let client: IHttpUserClient = new HttpUserClient();
+
+export function getHttpUserClient(): IHttpUserClient {
+  return client;
+}
+
+export function setHttpUserClient(newClient: IHttpUserClient): IHttpUserClient {
+  const old = client;
+  client = newClient;
+  return old;
+}