adding subscribe to event act, todo: passthrough remote

src/api/acts.ts

@@ -4,3 +4,4 @@ export * from "./acts/admin.js"
 export * from "./acts/rooms.js"
 export * from "./acts/server.js"
 export * from "./acts/roomContent.js"
+export * from "./acts/subscribe.js"

src/api/acts/roomContent.ts

@@ -6,6 +6,8 @@ import { isCategoryInRoom, isItemInRoom, isProductInRoom, isRoomDataFull } from
 import { ROOM_RIGHTS } from "../../server/permissions.js";
 import { act_error } from "../../server/errors.js";
 import { uts } from "../../sys/tools.js";
+import { sendRoomListeners } from "../listener.js";
+import { LISTENER_ACTION, LISTENER_TYPE } from "../../server/listener.js";
 
 export const getCategories: Act = {
     state: STATE.client | STATE.remote,
@@ -128,10 +130,12 @@ export const addCategory: Act = {
                 .where(eq(listCategories.roomID, roomID))
                 .limit(1)
         ).query(db);
-        if (req.affectedRows > 0) aws("ok", {
+        if (req.affectedRows > 0) {
-            catID: Number(req.insertId)
+            aws("ok", {
-        });
+                catID: Number(req.insertId)
-        else aws("error", act_error.ADD_CAT);
+            });
+            sendRoomListeners(roomID, LISTENER_TYPE.CATEGORIES, LISTENER_ACTION.ADD, [req.insertId]);
+        } else aws("error", act_error.ADD_CAT);
     }
 };
 
@@ -165,8 +169,10 @@ export const changeCategory: Act = {
                 eq(listCategories.listCatID, data.listCatID)
             ))
             .query(db);
-        if (req.affectedRows > 0) aws("ok", "");
+        if (req.affectedRows > 0) {
-        else aws("error", act_error.CAT_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.CATEGORIES, LISTENER_ACTION.CHANGE, [data.listCatID]);
+        } else aws("error", act_error.CAT_NOT_EXISTS);
     }
 };
 
@@ -202,8 +208,10 @@ export const changeCategoriesOrder: Act = {
                 .query(db);
             affacted += req.affectedRows;
         }
-        if (affacted > 0) aws("ok", "");
+        if (affacted > 0) {
-        else aws("error", act_error.CAT_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.CATEGORIES, LISTENER_ACTION.CHANGE, data.listCatIDs);
+        } else aws("error", act_error.CAT_NOT_EXISTS);
     }
 };
 
@@ -233,8 +241,10 @@ export const deleteCategory: Act = {
                 eq(listCategories.listCatID, data.listCatID)
             ))
             .query(db);
-        if (req.affectedRows > 0) aws("ok", "");
+        if (req.affectedRows > 0) {
-        else aws("error", act_error.CAT_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.CATEGORIES, LISTENER_ACTION.DELETE, [data.listCatID]);
+        } else aws("error", act_error.CAT_NOT_EXISTS);
     }
 };
 
@@ -383,10 +393,12 @@ export const addProduct: Act = {
             data.ean,
             data.parent != null ? data.parent : null,
         ).query(db);
-        if (req.affectedRows > 0) aws("ok", {
+        if (req.affectedRows > 0) {
-            listProdID: Number(req.insertId)
+            aws("ok", {
-        });
+                listProdID: Number(req.insertId)
-        else aws("error", act_error.ADD_PROD);
+            });
+            sendRoomListeners(roomID, LISTENER_TYPE.PRODUCTS, LISTENER_ACTION.ADD, [req.insertId]);
+        } else aws("error", act_error.ADD_PROD);
     }
 };
 
@@ -434,8 +446,10 @@ export const changeProduct: Act = {
                 eq(listProducts.roomID, roomID),
             ))
             .query(db);
-        if (req.affectedRows > 0) aws("ok", "");
+        if (req.affectedRows > 0) {
-        else aws("error", act_error.PROD_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.PRODUCTS, LISTENER_ACTION.CHANGE, [data.listProdID]);
+        } else aws("error", act_error.PROD_NOT_EXISTS);
     }
 };
 
@@ -465,8 +479,10 @@ export const deleteProduct: Act = {
                 eq(listProducts.listProdID, data.listProdID),
                 eq(listProducts.roomID, roomID),
             )).query(db);
-        if (req.affectedRows > 0) aws("ok", "");
+        if (req.affectedRows > 0) {
-        else aws("error", act_error.PROD_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.PRODUCTS, LISTENER_ACTION.DELETE, [data.listProdID]);
+        } else aws("error", act_error.PROD_NOT_EXISTS);
     }
 };
 
@@ -636,10 +652,12 @@ export const addItem: Act = {
             data.value,
             data.listProdID != null ? data.listProdID : null,
         ).query(db);
-        if (req.affectedRows > 0) aws("ok", {
+        if (req.affectedRows > 0) {
-            listItemID: Number(req.insertId)
+            aws("ok", {
-        });
+                listItemID: Number(req.insertId)
-        else aws("error", act_error.ADD_ITEM);
+            });
+            sendRoomListeners(roomID, LISTENER_TYPE.ITEMS, LISTENER_ACTION.ADD, [req.insertId]);
+        } else aws("error", act_error.ADD_ITEM);
     }
 };
 
@@ -687,8 +705,10 @@ export const changeItem: Act = {
                 eq(listItems.roomID, roomID)
             ))
             .query(db);
-        if (req.affectedRows > 0) aws("ok", "");
+        if (req.affectedRows > 0) {
-        else aws("error", act_error.ITEM_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.ITEMS, LISTENER_ACTION.CHANGE, [data.listItemID]);
+        } else aws("error", act_error.ITEM_NOT_EXISTS);
     }
 };
 
@@ -723,8 +743,10 @@ export const changeItemState: Act = {
                 eq(listItems.roomID, roomID)
             ))
             .query(db);
-        if (req.affectedRows > 0) aws("ok", "");
+        if (req.affectedRows > 0) {
-        else aws("error", act_error.ITEM_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.ITEMS, LISTENER_ACTION.CHANGE, [data.listItemID]);
+        } else aws("error", act_error.ITEM_NOT_EXISTS);
     }
 };
 
@@ -753,7 +775,12 @@ export const changeItemStates: Act = {
         if (
             data.listItemIDs.length != data.changedTimes.length
             || data.changedTimes.length != data.states.length
-        ) return void aws("error", "data");
+        ) return void aws("error", act_error.DATA);
+        for (let i = 0; i < data.listItemIDs.length; i++) {
+            let id = data.listItemIDs[i];
+            if (typeof id != "number" || id < 0)
+                return void aws("error", act_error.DATA);
+        }
         for (let i = 0; i < data.listItemIDs.length; i++) {
             let id = data.listItemIDs[i];
             let time = data.changedTimes[i];
@@ -769,6 +796,7 @@ export const changeItemStates: Act = {
                 .query(db);
         }
         aws("ok", "");
+        sendRoomListeners(roomID, LISTENER_TYPE.ITEMS, LISTENER_ACTION.CHANGE, data.listItemIDs);
     }
 };
 
@@ -797,8 +825,10 @@ export const deleteItem: Act = {
                 eq(listItems.listItemID, data.listItemID),
                 eq(listItems.roomID, roomID)
             )).query(db);
-        if (req.affectedRows > 0) aws("ok", "");
+        if (req.affectedRows > 0) {
-        else aws("error", act_error.ITEM_NOT_EXISTS);
+            aws("ok", "");
+            sendRoomListeners(roomID, LISTENER_TYPE.ITEMS, LISTENER_ACTION.DELETE, [data.listItemID]);
+        } else aws("error", act_error.ITEM_NOT_EXISTS);
     }
 };
 export const deleteItemByState: Act = {
@@ -827,5 +857,6 @@ export const deleteItemByState: Act = {
                 eq(listItems.roomID, roomID)
             )).query(db);
         aws("ok", "");
+        sendRoomListeners(roomID, LISTENER_TYPE.ITEMS, LISTENER_ACTION.DELETE, []);
     }
 }

src/api/acts/rooms.ts

@@ -8,6 +8,8 @@ import { isRoomFull } from "../helper.js";
 import { fetchRemoteAsServer } from "../server.js";
 import { Act, Client, STATE } from "../user.js";
 import { act_error } from "../../server/errors.js";
+import { sendRoomListeners } from "../listener.js";
+import { LISTENER_ACTION, LISTENER_TYPE } from "../../server/listener.js";
 
 export const listRooms: Act = {
     state: STATE.client | STATE.remote,
@@ -46,7 +48,7 @@ export const listRooms: Act = {
             if (name != null && owner != null && rights != null && visibility != null && title != null && description != null && icon != null && confirmed != null) {
                 return { name, server, owner, rights, visibility, title, description, icon, debug: global.debug, confirmed };
             }
-            console.log(name, server, owner, rights, visibility, title, description, icon, global.debug, confirmed)
+            //console.log(name, server, owner, rights, visibility, title, description, icon, global.debug, confirmed)
             return null;
         });
         if (client.state == STATE.client) {
@@ -608,6 +610,7 @@ export const setAdminStatus: Act = {
         } else {
             aws("error", act_error.MEMBER_NOT_EXISTS);
         }
+        sendRoomListeners(roomID, LISTENER_TYPE.ROOMINFO, LISTENER_ACTION.CHANGE, []);
     }
 };
 
@@ -617,6 +620,7 @@ export const leaveRoom: Act = {
     data: {
         room: "string",
         server: "string",
+        // TODO: add force option for remote rooms
     },
     func: async (client: Client, data: any, aws: (code: string, data: any) => void) => {
         if (!checkSelfTag(data.server)) {
@@ -706,6 +710,7 @@ export const setRoomRight: Act = {
             .where(eq(rooms.roomID, roomID))
             .query(db);
         aws("ok", "");
+        sendRoomListeners(roomID, LISTENER_TYPE.ROOMINFO, LISTENER_ACTION.CHANGE, []);
     }
 };
 
@@ -735,5 +740,6 @@ export const changeRoomMeta: Act = {
             .where(eq(rooms.roomID, roomID))
             .query(db);
         aws("ok", "");
+        sendRoomListeners(roomID, LISTENER_TYPE.ROOMINFO, LISTENER_ACTION.CHANGE, []);
     }
 };

src/api/acts/subscribe.ts

@@ -0,0 +1,68 @@
+import { act_error } from "../../server/errors.js";
+import { checkSelfTag } from "../../server/outbagURL.js";
+import { Act, Client, STATE } from "../user.js";
+import { wsClient } from "../ws.js";
+
+export const subscribeRoom: Act = {
+    state: STATE.client | STATE.remote,
+    right: 0,
+    data: {
+        room: "name",
+        server: "string",
+    },
+    func: async (client: Client, data: any, aws: (code: string, data: any) => void) => {
+        if (!(client.connectionClient instanceof wsClient)) {
+            return void aws("error", act_error.CONNECTION);
+        }
+        if (!checkSelfTag(data.server)) {
+            throw new Error("Remote not yet implemented.");
+            return;
+        }
+        const roomID = await client.isInRoom(data.room);
+        if (roomID == -1) {
+            aws("error", act_error.NOT_IN_ROOM);
+            return;
+        }
+        client.connectionClient.listenRoom(roomID, data.room, data.server);
+        aws("ok", "");
+    }
+};
+
+export const unsubscribeRoom: Act = {
+    state: STATE.client | STATE.remote,
+    right: 0,
+    data: {
+        room: "name",
+        server: "string",
+    },
+    func: async (client: Client, data: any, aws: (code: string, data: any) => void) => {
+        if (!(client.connectionClient instanceof wsClient)) {
+            return void aws("error", act_error.CONNECTION);
+        }
+        if (!checkSelfTag(data.server)) {
+            throw new Error("Remote not yet implemented.");
+            return;
+        }
+        const roomID = await client.isInRoom(data.room);
+        if (roomID == -1) {
+            aws("error", act_error.NOT_IN_ROOM);
+            return;
+        }
+        client.connectionClient.unlistenRoom(roomID);
+        aws("ok", "");
+    }
+};
+
+export const unsubscribeAllRooms: Act = {
+    state: STATE.client | STATE.remote,
+    right: 0,
+    data: {},
+    func: async (client: Client, data: any, aws: (code: string, data: any) => void) => {
+        if (!(client.connectionClient instanceof wsClient)) {
+            return void aws("error", act_error.CONNECTION);
+        }
+        // TODO: When implemented close remote listeners
+        client.connectionClient.unlistenAllRooms();
+        aws("ok", "");
+    }
+};

src/api/listener.ts

@@ -0,0 +1,38 @@
+import { wsClient } from "./ws.js"
+
+
+
+interface RoomListener {
+    client: wsClient;
+    room: string;
+    server: string;
+}
+
+let roomListeners: { [key: number]: RoomListener[] } = {};
+
+export const sendRoomListeners = async (roomID: number, type: string | number, action: number, ids: number[]) => {
+    for (const listener of roomListeners[roomID] ?? []) {
+        listener.client.sendFromServer({
+            room: listener.room,
+            server: listener.server,
+            type,
+            action,
+            ids,
+        });
+    }
+};
+
+export const addRoomListener = (client: wsClient, roomID: number, room: string, server: string) => {
+    if (!Array.isArray(roomListeners[roomID])) roomListeners[roomID] = [];
+    const existingListener = roomListeners[roomID].find(listener => listener.client === client);
+    if (!existingListener) roomListeners[roomID].push({ client, room, server });
+
+};
+
+export const removeRoomListener = (client: wsClient, roomID: number | null = null) => {
+    let keys = roomID == null ? Object.keys(roomListeners) as any : [roomID];
+    for (const key of keys) {
+        roomListeners[key] = roomListeners[key].filter(listener => listener.client !== client);
+        if (roomListeners[key].length === 0) delete roomListeners[key];
+    }
+};

src/api/post.ts

@@ -116,7 +116,8 @@ export const addPostMethods = (server: express.Express) => {
 export class postClient {
     lastReq = uts();
     client: Client;
-    constructor(ip: string, client = new Client(ip)) {
+    constructor(ip: string, client: Client | null = null) {
+        if (client === null) client = new Client(ip, this);
         this.client = client;
     }
     async runAct(act: Act, json: any, aws: (state: string, data: any) => void) {

src/api/user.ts

@@ -5,6 +5,8 @@ import { outbagServer, outbagURLfromTag } from "../server/outbagURL.js";
 import { fetchRemoteAs } from "./server.js";
 import { debug } from "../sys/log.js";
 import { act_error } from "../server/errors.js";
+import { wsClient } from "./ws.js";
+import { postClient } from "./post.js";
 
 export const STATE = {
     no: 0b00001,
@@ -40,7 +42,10 @@ export class Client {
     challenge: string = "";
     remoteKey: string = "";
     
-    constructor(ip: string) {
+    connectionClient: wsClient | postClient;
+
+    constructor(ip: string, client: wsClient | postClient) {
+        this.connectionClient = client;
         this.server = new outbagServer("", "", "", "");
         this.ip = ip;
     }

src/api/ws.ts

@@ -5,6 +5,7 @@ import { Act, checktype, Client } from "./user.js";
 import { debug, error } from "../sys/log.js";
 import * as importActs from "./acts.js"
 import { act_error } from "../server/errors.js";
+import { addRoomListener, removeRoomListener } from "./listener.js";
 
 let acts = importActs as { [key: string]: Act };
 
@@ -30,7 +31,7 @@ export class wsClient {
     activeRequests = 0;
     client: Client;
     constructor(socket: ws.WebSocket, req: http.IncomingMessage) {
-        this.client = new Client(req.socket.remoteAddress ?? "");
+        this.client = new Client(req.socket.remoteAddress ?? "", this);
         this.socket = socket;
 
         clients.push(this);
@@ -143,6 +144,7 @@ export class wsClient {
         });
 
         socket.on('close', () => {
+            this.unlistenAllRooms();
             this.open = false;
             var i = clients.indexOf(this);
             delete clients[i];
@@ -154,6 +156,7 @@ export class wsClient {
 
     close(ms: number) {
         return new Promise<void>(res => {
+            this.unlistenAllRooms();
             if (this.activeRequests == 0) {
                 this.socket.close();
                 return void res();
@@ -164,6 +167,34 @@ export class wsClient {
             }, Math.max(100, ms));
         });
     }
+
+    sendFromServer(data: any): Promise<boolean> {
+        if (this.socket.readyState != WebSocket.OPEN) {
+            return Promise.resolve(false);
+        }
+        return new Promise((res, rej) => {
+            this.socket.send(JSON.stringify({
+                id: -1,
+                state: "server",
+                data: data
+            }), (err) => {
+                if(err) return void rej(false);
+                return void res(true);
+            });
+        });
+
+
+    }
+
+    listenRoom(roomID: number, room: string, server: string) {
+        addRoomListener(this, roomID, room, server);
+    }
+    unlistenRoom(roomID: number) {
+        removeRoomListener(this, roomID);
+    }
+    unlistenAllRooms() {
+        removeRoomListener(this);
+    }
 }
 
 export const closeWebSocket = async () => {

src/server/errors.ts

@@ -10,6 +10,7 @@ export const act_error = {
     SERVER: "server", // uncaught error in server
     RECURSION: "recursion", // not allowed due to suspected remote recursion, will only appear with miss configureation
     REMOTE: "remote", // error while remote request (like could not contact the remote server)
+    CONNECTION: "connection", // the current connection type is not correct
 
     CLIENT_NOT_EXISTS: "clientnotexists", // seems like your own account does not exists (client.ts acts)
     ACCOUNT_NOT_EXISTS: "accountnotexists", // referred account does not exists (admin / client trennen? )

src/server/listener.ts

@@ -0,0 +1,14 @@
+
+
+export const LISTENER_TYPE = {
+    ROOMINFO: 0,
+    ITEMS: 1,
+    CATEGORIES: 2,
+    PRODUCTS: 3,
+}
+
+export const LISTENER_ACTION = {
+    ADD: 0,
+    CHANGE: 1,
+    DELETE: 2,
+}