Updates ShlinkApiClint to use different methods to fetch, and fixed tests

src/api/services/ShlinkApiClient.ts

@@ -24,11 +24,9 @@ import { HttpClient } from '../../common/services/HttpClient';
 
 const buildShlinkBaseUrl = (url: string, version: 2 | 3) => `${url}/rest/v${version}`;
 const rejectNilProps = reject(isNil);
-const normalizeOrderByInParams = (params: ShlinkShortUrlsListParams): ShlinkShortUrlsListNormalizedParams => {
-  const { orderBy = {}, ...rest } = params;
-
-  return { ...rest, orderBy: orderToString(orderBy) };
-};
+const normalizeOrderByInParams = (
+  { orderBy = {}, ...rest }: ShlinkShortUrlsListParams,
+): ShlinkShortUrlsListNormalizedParams => ({ ...rest, orderBy: orderToString(orderBy) });
 
 export class ShlinkApiClient {
   private apiVersion: 2 | 3;
@@ -47,7 +45,6 @@ export class ShlinkApiClient {
 
   public readonly createShortUrl = async (options: ShortUrlData): Promise<ShortUrl> => {
     const filteredOptions = reject((value) => isEmpty(value) || isNil(value), options as any);
-
     return this.performRequest<ShortUrl>('/short-urls', 'POST', {}, filteredOptions);
   };
 
@@ -56,31 +53,25 @@ export class ShlinkApiClient {
       .then(({ visits }) => visits);
 
   public readonly getTagVisits = async (tag: string, query?: Omit<ShlinkVisitsParams, 'domain'>): Promise<ShlinkVisits> =>
-    this.performRequest<{ visits: ShlinkVisits }>(`/tags/${tag}/visits`, 'GET', query)
-      .then(({ visits }) => visits);
+    this.performRequest<{ visits: ShlinkVisits }>(`/tags/${tag}/visits`, 'GET', query).then(({ visits }) => visits);
 
   public readonly getDomainVisits = async (domain: string, query?: Omit<ShlinkVisitsParams, 'domain'>): Promise<ShlinkVisits> =>
-    this.performRequest<{ visits: ShlinkVisits }>(`/domains/${domain}/visits`, 'GET', query)
-      .then(({ visits }) => visits);
+    this.performRequest<{ visits: ShlinkVisits }>(`/domains/${domain}/visits`, 'GET', query).then(({ visits }) => visits);
 
   public readonly getOrphanVisits = async (query?: Omit<ShlinkVisitsParams, 'domain'>): Promise<ShlinkVisits> =>
-    this.performRequest<{ visits: ShlinkVisits }>('/visits/orphan', 'GET', query)
-      .then(({ visits }) => visits);
+    this.performRequest<{ visits: ShlinkVisits }>('/visits/orphan', 'GET', query).then(({ visits }) => visits);
 
   public readonly getNonOrphanVisits = async (query?: Omit<ShlinkVisitsParams, 'domain'>): Promise<ShlinkVisits> =>
-    this.performRequest<{ visits: ShlinkVisits }>('/visits/non-orphan', 'GET', query)
-      .then(({ visits }) => visits);
+    this.performRequest<{ visits: ShlinkVisits }>('/visits/non-orphan', 'GET', query).then(({ visits }) => visits);
 
   public readonly getVisitsOverview = async (): Promise<ShlinkVisitsOverview> =>
-    this.performRequest<{ visits: ShlinkVisitsOverview }>('/visits')
-      .then(({ visits }) => visits);
+    this.performRequest<{ visits: ShlinkVisitsOverview }>('/visits').then(({ visits }) => visits);
 
   public readonly getShortUrl = async (shortCode: string, domain?: OptionalString): Promise<ShortUrl> =>
     this.performRequest<ShortUrl>(`/short-urls/${shortCode}`, 'GET', { domain });
 
   public readonly deleteShortUrl = async (shortCode: string, domain?: OptionalString): Promise<void> =>
-    this.performRequest<void>(`/short-urls/${shortCode}`, 'DELETE', { domain })
-      .then(() => {});
+    this.performEmptyRequest(`/short-urls/${shortCode}`, 'DELETE', { domain });
 
   public readonly updateShortUrl = async (
     shortCode: string,
@@ -95,12 +86,10 @@ export class ShlinkApiClient {
       .then(({ data, stats }) => ({ tags: data, stats }));
 
   public readonly deleteTags = async (tags: string[]): Promise<{ tags: string[] }> =>
-    this.performRequest<void>('/tags', 'DELETE', { tags })
-      .then(() => ({ tags }));
+    this.performEmptyRequest('/tags', 'DELETE', { tags }).then(() => ({ tags }));
 
   public readonly editTag = async (oldName: string, newName: string): Promise<{ oldName: string; newName: string }> =>
-    this.performRequest<void>('/tags', 'PUT', {}, { oldName, newName })
-      .then(() => ({ oldName, newName }));
+    this.performEmptyRequest('/tags', 'PUT', {}, { oldName, newName }).then(() => ({ oldName, newName }));
 
   public readonly health = async (): Promise<ShlinkHealth> => this.performRequest<ShlinkHealth>('/health', 'GET');
 
@@ -115,18 +104,28 @@ export class ShlinkApiClient {
   ): Promise<ShlinkDomainRedirects> =>
     this.performRequest<ShlinkDomainRedirects>('/domains/redirects', 'PATCH', {}, domainRedirects);
 
-  private readonly performRequest = async <T>(url: string, method = 'GET', query = {}, body?: object): Promise<T> => {
+  private readonly performRequest = async <T>(url: string, method = 'GET', query = {}, body?: object): Promise<T> =>
+    this.httpClient.fetchJson<T>(...this.toFetchParams(url, method, query, body)).catch(
+      this.handleFetchError(() => this.httpClient.fetchJson<T>(...this.toFetchParams(url, method, query, body))),
+    );
+
+  private readonly performEmptyRequest = async (url: string, method = 'GET', query = {}, body?: object): Promise<void> =>
+    this.httpClient.fetchEmpty(...this.toFetchParams(url, method, query, body)).catch(
+      this.handleFetchError(() => this.httpClient.fetchEmpty(...this.toFetchParams(url, method, query, body))),
+    );
+
+  private readonly toFetchParams = (url: string, method: string, query = {}, body?: object): [string, RequestInit] => {
     const normalizedQuery = stringifyQuery(rejectNilProps(query));
     const stringifiedQuery = isEmpty(normalizedQuery) ? '' : `?${normalizedQuery}`;
 
-    return this.httpClient.fetchJson<T>(
-      `${buildShlinkBaseUrl(this.baseUrl, this.apiVersion)}${url}${stringifiedQuery}`,
-      {
+    return [`${buildShlinkBaseUrl(this.baseUrl, this.apiVersion)}${url}${stringifiedQuery}`, {
       method,
       body: body && JSON.stringify(body),
       headers: { 'X-Api-Key': this.apiKey },
-      },
-    ).catch((e: unknown) => {
+    }];
+  };
+
+  private readonly handleFetchError = (retryFetch: Function) => (e: unknown) => {
     if (!isRegularNotFound(parseApiError(e))) {
       throw e;
     }
@@ -134,7 +133,6 @@ export class ShlinkApiClient {
     // If we capture a not found error, let's assume this Shlink version does not support API v3, so we decrease to
     // v2 and retry
     this.apiVersion = 2;
-      return this.performRequest(url, method, query, body);
-    });
+    return retryFetch();
   };
 }

src/common/services/HttpClient.ts

@@ -3,21 +3,23 @@ import { Fetch } from '../../utils/types';
 export class HttpClient {
   constructor(private readonly fetch: Fetch) {}
 
-  public fetchJson<T>(url: string, options?: RequestInit): Promise<T> {
-    return this.fetch(url, options).then(async (resp) => {
+  public readonly fetchJson = <T>(url: string, options?: RequestInit): Promise<T> =>
+    this.fetch(url, options).then(async (resp) => {
+      const json = await resp.json();
+
+      if (!resp.ok) {
+        throw json;
+      }
+
+      return json as T;
+    });
+
+  public readonly fetchEmpty = (url: string, options?: RequestInit): Promise<void> =>
+    this.fetch(url, options).then(async (resp) => {
       if (!resp.ok) {
         throw await resp.json();
       }
-
-      try {
-        return (await resp.json()) as T;
-      } catch (e) {
-        return undefined as T;
-      }
     });
-  }
 
-  public fetchBlob(url: string): Promise<Blob> {
-    return this.fetch(url).then((resp) => resp.blob());
-  }
+  public readonly fetchBlob = (url: string): Promise<Blob> => this.fetch(url).then((resp) => resp.blob());
 }

test/api/services/ShlinkApiClient.test.ts

@@ -8,7 +8,8 @@ import { HttpClient } from '../../../src/common/services/HttpClient';
 
 describe('ShlinkApiClient', () => {
   const fetchJson = jest.fn().mockResolvedValue({});
-  const httpClient = Mock.of<HttpClient>({ fetchJson });
+  const fetchEmpty = jest.fn().mockResolvedValue(undefined);
+  const httpClient = Mock.of<HttpClient>({ fetchJson, fetchEmpty });
   const buildApiClient = () => new ShlinkApiClient(httpClient, '', '');
   const shortCodesWithDomainCombinations: [string, OptionalString][] = [
     ['abc123', null],
@@ -196,7 +197,7 @@ describe('ShlinkApiClient', () => {
 
       await deleteTags(tags);
 
-      expect(fetchJson).toHaveBeenCalledWith(
+      expect(fetchEmpty).toHaveBeenCalledWith(
         expect.stringContaining(`/tags?${tags.map((tag) => `tags%5B%5D=${tag}`).join('&')}`),
         expect.objectContaining({ method: 'DELETE' }),
       );
@@ -211,7 +212,7 @@ describe('ShlinkApiClient', () => {
 
       await editTag(oldName, newName);
 
-      expect(fetchJson).toHaveBeenCalledWith(expect.stringContaining('/tags'), expect.objectContaining({
+      expect(fetchEmpty).toHaveBeenCalledWith(expect.stringContaining('/tags'), expect.objectContaining({
         method: 'PUT',
         body: JSON.stringify({ oldName, newName }),
       }));
@@ -225,7 +226,7 @@ describe('ShlinkApiClient', () => {
 
       await deleteShortUrl(shortCode, domain);
 
-      expect(fetchJson).toHaveBeenCalledWith(
+      expect(fetchEmpty).toHaveBeenCalledWith(
         expect.stringContaining(`/short-urls/${shortCode}${expectedQuery}`),
         expect.objectContaining({ method: 'DELETE' }),
       );

test/tags/reducers/tagEdit.test.ts

@@ -1,5 +1,5 @@
 import { Mock } from 'ts-mockery';
-import { tagEdited, EditTagAction, tagEditReducerCreator } from '../../../src/tags/reducers/tagEdit';
+import { tagEdited, editTag as editTagCreator, EditTagAction, tagEditReducerCreator } from '../../../src/tags/reducers/tagEdit';
 import { ShlinkApiClient } from '../../../src/api/services/ShlinkApiClient';
 import { ColorGenerator } from '../../../src/utils/services/ColorGenerator';
 import { ShlinkState } from '../../../src/container/types';
@@ -11,7 +11,8 @@ describe('tagEditReducer', () => {
   const editTagCall = jest.fn();
   const buildShlinkApiClient = () => Mock.of<ShlinkApiClient>({ editTag: editTagCall });
   const colorGenerator = Mock.of<ColorGenerator>({ setColorForKey: jest.fn() });
-  const { reducer, editTag } = tagEditReducerCreator(buildShlinkApiClient, colorGenerator);
+  const editTag = editTagCreator(buildShlinkApiClient, colorGenerator);
+  const { reducer } = tagEditReducerCreator(editTag);
 
   describe('reducer', () => {
     it('returns loading on EDIT_TAG_START', () => {

test/tags/reducers/tagsList.test.ts

@@ -70,14 +70,30 @@ describe('tagsListReducer', () => {
       const expectedTags = ['foo', 'renamed', 'baz'].sort();
 
       expect(reducer(
-        state({ tags, filteredTags: tags }),
-        {
-          type: tagEdited.toString(),
-          payload: { oldName, newName },
+        state({
+          tags,
+          filteredTags: tags,
+          stats: {
+            [oldName]: {
+              shortUrlsCount: 35,
+              visitsCount: 35,
             },
+          },
+        }),
+        { type: tagEdited.toString(), payload: { oldName, newName } },
       )).toEqual({
         tags: expectedTags,
         filteredTags: expectedTags,
+        stats: {
+          [oldName]: {
+            shortUrlsCount: 35,
+            visitsCount: 35,
+          },
+          [newName]: {
+            shortUrlsCount: 35,
+            visitsCount: 35,
+          },
+        },
       });
     });