hippofish/packages/backend/src/server/api/stream/channels/messaging.ts
ThatOneCalculator e9b45260b5
chore: 🎨 format
2023-04-01 21:10:31 -07:00

130 lines
3.4 KiB
TypeScript

import {
readUserMessagingMessage,
readGroupMessagingMessage,
deliverReadActivity,
} from "../../common/read-messaging-message.js";
import Channel from "../channel.js";
import { UserGroupJoinings, Users, MessagingMessages } from "@/models/index.js";
import type { User, ILocalUser, IRemoteUser } from "@/models/entities/user.js";
import type { UserGroup } from "@/models/entities/user-group.js";
import type { StreamMessages } from "../types.js";
export default class extends Channel {
public readonly chName = "messaging";
public static shouldShare = false;
public static requireCredential = true;
private otherpartyId: string | null;
private otherparty: User | null;
private groupId: string | null;
private subCh:
| `messagingStream:${User["id"]}-${User["id"]}`
| `messagingStream:${UserGroup["id"]}`;
private typers: Map<User["id"], Date> = new Map();
private emitTypersIntervalId: ReturnType<typeof setInterval>;
constructor(id: string, connection: Channel["connection"]) {
super(id, connection);
this.onEvent = this.onEvent.bind(this);
this.onMessage = this.onMessage.bind(this);
this.emitTypers = this.emitTypers.bind(this);
}
public async init(params: any) {
this.otherpartyId = params.otherparty;
this.otherparty = this.otherpartyId
? await Users.findOneByOrFail({ id: this.otherpartyId })
: null;
this.groupId = params.group;
// Check joining
if (this.groupId) {
const joining = await UserGroupJoinings.findOneBy({
userId: this.user!.id,
userGroupId: this.groupId,
});
if (joining == null) {
return;
}
}
this.emitTypersIntervalId = setInterval(this.emitTypers, 5000);
this.subCh = this.otherpartyId
? `messagingStream:${this.user!.id}-${this.otherpartyId}`
: `messagingStream:${this.groupId}`;
// Subscribe messaging stream
this.subscriber.on(this.subCh, this.onEvent);
}
private onEvent(
data:
| StreamMessages["messaging"]["payload"]
| StreamMessages["groupMessaging"]["payload"],
) {
if (data.type === "typing") {
const id = data.body;
const begin = !this.typers.has(id);
this.typers.set(id, new Date());
if (begin) {
this.emitTypers();
}
} else {
this.send(data);
}
}
public onMessage(type: string, body: any) {
switch (type) {
case "read":
if (this.otherpartyId) {
readUserMessagingMessage(this.user!.id, this.otherpartyId, [body.id]);
// リモートユーザーからのメッセージだったら既読配信
if (
Users.isLocalUser(this.user!) &&
Users.isRemoteUser(this.otherparty!)
) {
MessagingMessages.findOneBy({ id: body.id }).then((message) => {
if (message)
deliverReadActivity(
this.user as ILocalUser,
this.otherparty as IRemoteUser,
message,
);
});
}
} else if (this.groupId) {
readGroupMessagingMessage(this.user!.id, this.groupId, [body.id]);
}
break;
}
}
private async emitTypers() {
const now = new Date();
// Remove not typing users
for (const [userId, date] of this.typers.entries()) {
if (now.getTime() - date.getTime() > 5000) this.typers.delete(userId);
}
const userIds = Array.from(this.typers.keys());
const users = await Users.packMany(userIds, null, {
detail: false,
});
this.send({
type: "typers",
body: users,
});
}
public dispose() {
this.subscriber.off(this.subCh, this.onEvent);
clearInterval(this.emitTypersIntervalId);
}
}