add forum thread viewing and replying

src/client.ts

@@ -1,5 +1,6 @@
 import { AskModule } from "./ask";
 import { MessagesModule } from "./messages";
+import { ForumModule } from "./forum";
 import { MethodCall, TCJSONResponse, TCResponse, TCResponseRaw } from "./types";
 
 /**
@@ -11,6 +12,7 @@ export class Client {
 
     #messages: MessagesModule;
     #ask: AskModule;
+    #forum: ForumModule;
 
     /** @internal */
     public _cache: { [key: string]: any; } = { };
@@ -27,12 +29,17 @@ export class Client {
         return this.#ask;
     }
 
+    public get forum(): ForumModule {
+        return this.#forum;
+    }
+
     public constructor(auth?: string) {
         this.auth = auth;
 
         // init modules
         this.#messages = new MessagesModule(this);
         this.#ask = new AskModule(this);
+        this.#forum = new ForumModule(this);
     }
 
     //public login(username: string, password: string) {

src/forum/index.ts

@@ -0,0 +1,36 @@
+import { Module } from "../module";
+import { TCResponse } from "../types";
+import { ViewPostsResponse } from "./types";
+
+export class ForumModule extends Module {
+    public async viewPosts(
+        threadId: number,
+        fetchType: string,
+        postId = 0,
+        reverse = false,
+        includePost = true,
+    ) {
+        return await this.client._call(
+            ViewPostsResponse,
+            "forum.viewposts",
+            {
+                getSomeBackscroll: reverse,
+                includePost,
+                threadId,
+                postId,
+                type: fetchType,
+            }
+        );
+    }
+
+    public async replyThread(text: string, threadId: number) {
+        return await this.client._call(
+            TCResponse,
+            "forum.replythread",
+            {
+                text,
+                threadId,
+            }
+        )
+    }
+}

src/forum/types.ts

@@ -0,0 +1,23 @@
+import { TCResponse, TCResponseRaw } from "../types";
+
+export class ViewPostsResponse extends TCResponse {
+    posts: Post[];
+    numPostsBefore: number;
+    numPostsAfter: number;
+    jumpTo: number;
+
+    public constructor(response: TCResponseRaw) {
+        super(response);
+        this.posts = response["posts"] ?? [];
+        this.numPostsBefore = response["numPostsBefore"] ?? 0;
+        this.numPostsAfter = response["numPostsAfter"] ?? 0;
+        this.jumpTo = response["jumpTo"] ?? 0;
+    }
+}
+
+export interface Post {
+    readonly id: number;
+    readonly user: string;
+    readonly text: string;
+    readonly time: number;
+}

src/index.ts

@@ -5,3 +5,5 @@ export * from "./messages";
 export * as messages from "./messages/types";
 export * from "./ask";
 export * as ask from "./ask/types";
+export * from "./forum";
+export * as forum from "./forum/types";