Implemented BroadcastChannelService and FileTransferService

src/services/fileTransferService.ts

@@ -0,0 +1,156 @@
+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 {CreateNetworkReq, Network} from "../domain/networkService.schema";
+import {GenericErrorBody} from "../domain/http.schema";
+import {
+    AcceptFileTransferReq, DeclineFileTransferReq, FileTransferSendAnswerRTCReq,
+    FileTransferSendICERTCReq, FileTransferSendOfferRTCReq,
+    StartNewFileTransferReq,
+    StartNewFileTransferResp,
+    TransferableFileMetadata
+} from "../domain/fileTransferService.schema";
+
+export class FileTransferService {
+    userid: string;
+    peerId: string;
+    transferId: string = "";
+    client: AxiosInstance
+
+    constructor(userid: string, token: string, peerId: string) {
+        this.userid = userid;
+        this.peerId = peerId;
+        this.client = getClient(false).create({
+            headers: {
+                "Authorization": token,
+            }
+        })
+    }
+
+    /**
+     * Starts a new file transfer with the specified user. The new transferId will be saved automatically and not required to be provided later.
+     * @param transferableFiles
+     */
+    async startNew(transferableFiles: TransferableFileMetadata[]): Promise<string> {
+        try {
+            const resp = await this.client.post<StartNewFileTransferResp>("v2/chat/dm/startNewFileTransfer", <StartNewFileTransferReq>{
+                userid: this.userid,
+                targetUserId: this.peerId,
+                metadata: transferableFiles
+            });
+            this.transferId = resp.data.transferId
+            return resp.data.transferId
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Accepts the file transfer with the specified transferId. The transferId will be saved automatically and not required to be provided later.
+     * @param transferId
+     */
+    async accept(transferId: string): Promise<RTCConfiguration> {
+        try {
+            const resp = await this.client.post<RTCConfiguration>("v2/chat/dm/acceptFileTransfer", <AcceptFileTransferReq>{
+                userid: this.userid,
+                senderId: this.peerId,
+                transferId: transferId
+            });
+            this.transferId = transferId
+            return resp.data
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Declines the file transfer with the specified transferId.
+     * @param transferId
+     */
+    async decline(transferId: string): Promise<void> {
+        try {
+            await this.client.post("v2/chat/dm/declineFileTransfer", <DeclineFileTransferReq>{
+                userid: this.userid,
+                senderId: this.peerId,
+                transferId: transferId
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Forwards your RTC offer to the specified user.
+     * @param offer
+     */
+    async sendRtcOffer(offer: string): Promise<void> {
+        try {
+            await this.client.post("v2/chat/dm/sendRtcOfferFileTransfer", <FileTransferSendOfferRTCReq>{
+                userid: this.userid,
+                peerId: this.peerId,
+                transferId: this.transferId,
+                offer: offer,
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Forwards your RTC answer to the specified user.
+     * @param answer
+     */
+    async sendRtcAnswer(answer: string): Promise<void> {
+        try {
+            await this.client.post("v2/chat/dm/sendRtcAnswerFileTransfer", <FileTransferSendAnswerRTCReq>{
+                userid: this.userid,
+                peerId: this.peerId,
+                transferId: this.transferId,
+                answer: answer,
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Forwards your RTC ICE candidate to the specified user.
+     * @param candidate
+     */
+    async sendRtcICE(candidate: string): Promise<void> {
+        try {
+            await this.client.post("v2/chat/dm/sendRtcICEFileTransfer", <FileTransferSendICERTCReq>{
+                userid: this.userid,
+                peerId: this.peerId,
+                transferId: this.transferId,
+                candidate: candidate,
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+}