Implemented DMService

src/services/dmService.ts

@@ -0,0 +1,247 @@
+import {DatabaseAPI} from "../storage/database";
+import {AxiosInstance, isAxiosError} from "axios";
+import {MessageListener} from "../domain/websocket.schema";
+import {getClient} from "../core/http";
+import {WebSocketHandler} from "../core/webSocketHandler";
+import {
+    DeleteMessagesReq,
+    EditMessageReq,
+    FinishMessageReq,
+    GetMessagePosResp, JoinWsRoomReq,
+    Message, PinMessageReq,
+    PinnedMessage, ReadMessagesReq, UnpinMessageReq
+} from "../domain/dmService.schema";
+import {NetworkInvite} from "../domain/networkService.schema";
+import {GenericErrorBody} from "../domain/http.schema";
+import {FileData} from "../domain/fileUploadService.schema";
+import {FileUploadService} from "./fileUploadService";
+
+export class DMService {
+    userid: string;
+    chatid: string;
+    token: string;
+    database: DatabaseAPI;
+    client: AxiosInstance
+
+    constructor(userid: string, token: string, chatid: string, database: DatabaseAPI, wsMessageListener: MessageListener) {
+        this.userid = userid;
+        this.chatid = chatid;
+        this.database = database;
+        this.token = token;
+        this.client = getClient(false).create({
+            headers: {
+                "Authorization": token,
+                "X-WS-ID": WebSocketHandler.getInstance().connId
+            }
+        })
+        WebSocketHandler.getInstance().registerService({
+            identifier: chatid,
+            onNewConnId: this.onNewConnId,
+            onNewMessage: wsMessageListener,
+        })
+    }
+
+    private onNewConnId(newConnId: string) {
+        console.log("NetworkService: New connection id")
+        this.client.defaults.headers["X-WS-ID"] = newConnId;
+    }
+
+    /**
+     * Fetches all messages in the chat
+     * @param from
+     */
+    async get(from: number = 0): Promise<Message[]> {
+        try {
+            const resp = await this.client.get<Message[]>(`chat/dm/messages?chatid=${this.chatid}&userid=${this.userid}&from=${from}`);
+            return resp.data
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Fetches the position of the specified message which can be used in get() to fetch an old message with it's surrounding messages
+     * @param messageId
+     */
+    async getMessagePos(messageId: string): Promise<number> {
+        try {
+            const resp = await this.client.get<GetMessagePosResp>(`chat/dm/getMessagePosition?chatid=${this.chatid}&userid=${this.userid}&messageId=${messageId}`);
+            return resp.data.messagePos
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Gets all messages pinned in the chat
+     */
+    async getPinnedMessages(): Promise<PinnedMessage[]> {
+        try {
+            const resp = await this.client.get<PinnedMessage[]>(`chat/dm/pinnedMessages?chatid=${this.chatid}&userid=${this.userid}`);
+            return resp.data
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Edits the specified message
+     * @param messageId
+     * @param newMessage
+     */
+    async editMessage(messageId: string, newMessage: string): Promise<void> {
+        try {
+            const resp = await this.client.patch("chat/dm/editMessage", <EditMessageReq>{
+                messageId: messageId,
+                chatid: this.chatid,
+                userid: this.userid,
+                message: newMessage
+            });
+            return resp.data
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Sends a new message to the chat
+     * @param message
+     * @param replyTo
+     * @param replyToMessage
+     * @param attachments
+     */
+    async sendMessage(message: string, replyTo: string | null = null, replyToMessage: string | null = null, attachments: FileData[] | null = null): Promise<Message> {
+        let uploadId = ""
+        if (attachments) {
+            const uploader = new FileUploadService(this.token)
+            uploadId = await uploader.uploadFiles(this.chatid, this.userid, attachments)
+        }
+        try {
+            const resp = await this.client.post<Message>("chat/dm/finishMessage", <FinishMessageReq>{
+                message: message,
+                chatid: this.chatid,
+                replyTo: replyTo,
+                replyToMessage: replyToMessage,
+                userid: this.userid,
+                uploadId: uploadId,
+            });
+            return resp.data
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Reads all messages sent to you in the chat
+     */
+    async readMessages(): Promise<void> {
+        try {
+            await this.client.patch("chat/dm/readMessages", <ReadMessagesReq>{
+                chatid: this.chatid,
+                userid: this.userid,
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Pins the specified message
+     * @param messageId
+     * @param message
+     */
+    async pinMessage(messageId: string, message: string): Promise<void> {
+        try {
+            const resp = await this.client.patch("chat/dm/pinMessage", <PinMessageReq>{
+                messageId: messageId,
+                chatid: this.chatid,
+                userid: this.userid,
+                message: message
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Unpins the specified message
+     * @param messageId
+     */
+    async unpinMessage(messageId: string): Promise<void> {
+        try {
+            const resp = await this.client.patch("chat/dm/unpinMessage", <UnpinMessageReq>{
+                messageId: messageId,
+                chatid: this.chatid,
+                userid: this.userid,
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Deletes the message(s)
+     * @param messageIds
+     */
+    async deleteMessages(messageIds: string[]): Promise<void> {
+        try {
+            const resp = await this.client.patch("chat/dm/deleteMessages", <DeleteMessagesReq>{
+                chatid: this.chatid,
+                userid: this.userid,
+                messageIds: messageIds
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Joins the WebSocket room to start receiving realtime messages
+     */
+    async joinWebSocketRoom(): Promise<void> {
+        try {
+            const resp = await this.client.patch("chat/dm/joinWebSocketRoom", <JoinWsRoomReq>{
+                chatid: this.chatid,
+                userid: this.userid,
+                connId: WebSocketHandler.getInstance().connId,
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+}