feat(comments): add comment retrieval functions

README.md

@@ -117,6 +117,10 @@ Click the function names to open their complete docs on the docs site.
 - [`getRecentGameAwards()`](https://api-docs.retroachievements.org/v1/get-recent-game-awards.html) - Get all recent mastery, completion, and beaten awards earned on the site.
 - [`getTopTenUsers()`](https://api-docs.retroachievements.org/v1/get-top-ten-users.html) - Get the list of top ten points earners.
 
+### Comment
+
+- [`getComments()`](https://api-docs.retroachievements.org/v1/get-comments.html) - Get the comments left an achievement, game, or user wall.
+
 ### Event
 
 - [`getAchievementOfTheWeek()`](https://api-docs.retroachievements.org/v1/get-achievement-of-the-week.html) - Get comprehensive metadata about the current Achievement of the Week.

src/comment/getComments.test.ts

@@ -0,0 +1,277 @@
+/* eslint-disable sonarjs/no-duplicate-string */
+
+import { http, HttpResponse } from "msw";
+import { setupServer } from "msw/node";
+
+import { apiBaseUrl } from "../utils/internal";
+import { buildAuthorization } from "../utils/public";
+import { getComments } from "./getComments";
+import type { CommentsResponse, GetCommentsResponse } from "./models";
+
+const server = setupServer();
+
+describe("Function: getComments", () => {
+  // MSW Setup
+  beforeAll(() => server.listen());
+  afterEach(() => server.resetHandlers());
+  afterAll(() => server.close());
+
+  it("is defined #sanity", () => {
+    // ASSERT
+    expect(getComments).toBeDefined();
+  });
+
+  it("retrieves the comments on a user's wall", async () => {
+    // ARRANGE
+    const authorization = buildAuthorization({
+      username: "mockUserName",
+      webApiKey: "mockWebApiKey",
+    });
+
+    const mockResponse: GetCommentsResponse = {
+      Count: 2,
+      Total: 2,
+      Results: [
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 1",
+        },
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 2",
+        },
+      ],
+    };
+
+    server.use(
+      http.get(`${apiBaseUrl}/API_GetComments.php`, () =>
+        HttpResponse.json(mockResponse)
+      )
+    );
+
+    // ACT
+    const response = await getComments(authorization, {
+      identifier: "xelnia",
+    });
+
+    // ASSERT
+    const expectedResponse: CommentsResponse = {
+      count: 2,
+      total: 2,
+      results: [
+        {
+          user: "PlayTester",
+          submitted: "2024-07-31T11:22:23.000000Z",
+          commentText: "Comment 1",
+        },
+        {
+          user: "PlayTester",
+          submitted: "2024-07-31T11:22:23.000000Z",
+          commentText: "Comment 2",
+        },
+      ],
+    };
+
+    expect(response).toEqual(expectedResponse);
+  });
+
+  it("retrieves the comments on an game", async () => {
+    // ARRANGE
+    const authorization = buildAuthorization({
+      username: "mockUserName",
+      webApiKey: "mockWebApiKey",
+    });
+
+    const mockResponse: GetCommentsResponse = {
+      Count: 2,
+      Total: 2,
+      Results: [
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 1",
+        },
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 2",
+        },
+      ],
+    };
+
+    server.use(
+      http.get(`${apiBaseUrl}/API_GetComments.php`, () =>
+        HttpResponse.json(mockResponse)
+      )
+    );
+
+    // ACT
+    const response = await getComments(authorization, {
+      identifier: 321_865,
+      kind: "game",
+    });
+
+    // ASSERT
+    const expectedResponse: CommentsResponse = {
+      count: 2,
+      total: 2,
+      results: [
+        {
+          user: "PlayTester",
+          submitted: "2024-07-31T11:22:23.000000Z",
+          commentText: "Comment 1",
+        },
+        {
+          user: "PlayTester",
+          submitted: "2024-07-31T11:22:23.000000Z",
+          commentText: "Comment 2",
+        },
+      ],
+    };
+
+    expect(response).toEqual(expectedResponse);
+  });
+
+  it("retrieves the comments on an achievement, respecting count", async () => {
+    // ARRANGE
+    const authorization = buildAuthorization({
+      username: "mockUserName",
+      webApiKey: "mockWebApiKey",
+    });
+
+    const mockResponse: GetCommentsResponse = {
+      Count: 2,
+      Total: 4,
+      Results: [
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 1",
+        },
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 2",
+        },
+      ],
+    };
+
+    server.use(
+      http.get(`${apiBaseUrl}/API_GetComments.php`, () =>
+        HttpResponse.json(mockResponse)
+      )
+    );
+
+    // ACT
+    const response = await getComments(authorization, {
+      identifier: 321_865,
+      count: 2,
+      kind: "achievement",
+    });
+
+    // ASSERT
+    const expectedResponse: CommentsResponse = {
+      count: 2,
+      total: 4,
+      results: [
+        {
+          user: "PlayTester",
+          submitted: "2024-07-31T11:22:23.000000Z",
+          commentText: "Comment 1",
+        },
+        {
+          user: "PlayTester",
+          submitted: "2024-07-31T11:22:23.000000Z",
+          commentText: "Comment 2",
+        },
+      ],
+    };
+
+    expect(response).toEqual(expectedResponse);
+  });
+
+  it("retrieves the comments on an game, respecting offset", async () => {
+    // ARRANGE
+    const authorization = buildAuthorization({
+      username: "mockUserName",
+      webApiKey: "mockWebApiKey",
+    });
+
+    const mockResponse: GetCommentsResponse = {
+      Count: 1,
+      Total: 2,
+      Results: [
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 2",
+        },
+      ],
+    };
+
+    server.use(
+      http.get(`${apiBaseUrl}/API_GetComments.php`, () =>
+        HttpResponse.json(mockResponse)
+      )
+    );
+
+    // ACT
+    const response = await getComments(authorization, {
+      identifier: 321_865,
+      offset: 1,
+      kind: "game",
+    });
+
+    // ASSERT
+    const expectedResponse: CommentsResponse = {
+      count: 1,
+      total: 2,
+      results: [
+        {
+          user: "PlayTester",
+          submitted: "2024-07-31T11:22:23.000000Z",
+          commentText: "Comment 2",
+        },
+      ],
+    };
+
+    expect(response).toEqual(expectedResponse);
+  });
+
+  it("warns the developer when they don't specify kind for achievements/games", async () => {
+    // ARRANGE
+    const authorization = buildAuthorization({
+      username: "mockUserName",
+      webApiKey: "mockWebApiKey",
+    });
+
+    const mockResponse: GetCommentsResponse = {
+      Count: 1,
+      Total: 2,
+      Results: [
+        {
+          User: "PlayTester",
+          Submitted: "2024-07-31T11:22:23.000000Z",
+          CommentText: "Comment 2",
+        },
+      ],
+    };
+
+    server.use(
+      http.get(`${apiBaseUrl}/API_GetComments.php`, () =>
+        HttpResponse.json(mockResponse)
+      )
+    );
+
+    // ACT
+    const response = getComments(authorization, {
+      identifier: 321_865,
+      offset: 1,
+    });
+
+    // ASSERT
+    await expect(response).rejects.toThrow(TypeError);
+  });
+});

src/comment/getComments.ts

@@ -0,0 +1,107 @@
+import type { ID } from "../utils/internal";
+import {
+  apiBaseUrl,
+  buildRequestUrl,
+  call,
+  serializeProperties,
+} from "../utils/internal";
+import type { AuthObject } from "../utils/public";
+import type { CommentsResponse, GetCommentsResponse } from "./models";
+
+const kindMap: Record<"game" | "achievement" | "user", number> = {
+  game: 1,
+  achievement: 2,
+  user: 3,
+};
+
+/**
+ * A call to this function will retrieve a list of comments on a particular target.
+ *
+ * @param authorization An object containing your username and webApiKey.
+ * This can be constructed with `buildAuthorization()`.
+ *
+ * @param payload.identifier The identifier to retrieve. For user walls, this will
+ * be a string (the username), and for game and achievement walls, this will be a
+ * the ID of the object in question.
+ *
+ * @param payload.kind What kind of identifier was used. This can be "game",
+ * "achievement", or "user".
+ *
+ * @param payload.offset Defaults to 0. The number of entries to skip.
+ *
+ * @param payload.count Defaults to 50, has a max of 500.
+ *
+ * @example
+ * ```
+ * // Retrieving game/achievement comments
+ * const gameWallComments = await getComments(
+ *   authorization,
+ *   { identifier: 20294, kind: 'game', count: 4, offset: 0 },
+ * );
+ *
+ * // Retrieving comments on a user's wall
+ * const userWallComments = await getComments(
+ *   authorization,
+ *   { identifier: "xelnia", count: 4, offset: 0 },
+ * );
+ * ```
+ *
+ * @returns An object containing the amount of comments retrieved,
+ * the total comments, and an array of the comments themselves.
+ * ```
+ * {
+ *   count: 4,
+ *   total: 4,
+ *   results: [
+ *   {
+ *     user: "PlayTester",
+ *     submitted: "2024-07-31T11:22:23.000000Z",
+ *     commentText: "Comment 1"
+ *   },
+ *   // ...
+ *   ]
+ * }
+ * ```
+ */
+export const getComments = async (
+  authorization: AuthObject,
+  payload: {
+    identifier: ID;
+    kind?: "game" | "achievement" | "user";
+    offset?: number;
+    count?: number;
+  }
+): Promise<CommentsResponse> => {
+  const { identifier, kind, offset, count } = payload;
+
+  const queryParams: Record<string, number | string> = { i: identifier };
+
+  if (kind) {
+    queryParams.t = kindMap[kind];
+  } else if (typeof identifier === "number") {
+    throw new TypeError(
+      "'kind' must be specified when looking up an achievement or game."
+    );
+  }
+
+  if (offset) {
+    queryParams.o = offset;
+  }
+
+  if (count) {
+    queryParams.c = count;
+  }
+
+  const url = buildRequestUrl(
+    apiBaseUrl,
+    "/API_GetComments.php",
+    authorization,
+    queryParams
+  );
+
+  const rawResponse = await call<GetCommentsResponse>({ url });
+
+  return serializeProperties(rawResponse, {
+    shouldCastToNumbers: ["Count", "Total"],
+  });
+};

src/comment/index.ts

@@ -0,0 +1,2 @@
+export * from "./getComments";
+export * from "./models";