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socketEvent.js
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socketEvent.js
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const redis = require("./redisHelper");
exports.disconnect = function (io, socket) {
socket.on("disconnecting", () => {
let disconnectingUser = io.sockets.adapter.sids[socket.id];
let disconnectingUserRoom = Object.keys(disconnectingUser).slice(1);
if (disconnectingUserRoom) {
disconnectingUserRoom.forEach((room) => {
redis.get(room).then((data) => {
jsonData = JSON.parse(data);
for (let i = 0; i < jsonData.users.length; i++) {
if (jsonData.users[i].socketId == socket.id) {
jsonData.usercount ? (jsonData.usercount -= 1) : null;
io.to(room).emit(
"DISCONNECTED",
`${jsonData.users[i].name} has left the race`
);
jsonData.users.splice(i, 1);
redis.set(room, JSON.stringify(jsonData));
}
}
});
});
}
console.log("Disconnected");
});
};
exports.createorjoinroom = function (io, socket) {
socket.on("create/join", async ({ room, username }) => {
/*
{
'room1':{isStarted:true,timestamp:123345,users:[{name:'user3',socketId='78sdg3g3k'},{name:'user4',socketId='sgjk245hl2'}]}
'room2':{timestamp:376874,users:[{name:'user1',socketId='78sdg3g3k'},{name:'user2',socketId='sgjk245hl2'}]}
}
*/
userExistsAlready = io.sockets.adapter.sids[socket.id][`room-${room}`];
if (userExistsAlready) {
io.to(socket.id).emit(
"ALREADY_JOINED",
"You have already joined the room!"
);
} else {
return redis
.getRoom(room)
.then((res) => {
room = "room-" + room;
if (res === null) {
io.to(socket.id).emit("USER_JOINED", "Room doesn't exists");
return false;
}
res = JSON.parse(res);
if (res.isStarted === true) {
io.to(socket.id).emit("RACE_STARTED", "Race has already started");
return false;
}
userDetails = {};
userDetails.name = username;
userDetails.socketId = socket.id;
res.users.push(userDetails);
redis.set(room, JSON.stringify(res));
socket.join(room);
usernames = res.users.map((user) => user.name);
let serverData = {
room: room,
userInTheRoom: usernames,
};
io.in(room).emit("USER_JOINED", serverData);
})
.catch((err) => {
console.log(err);
});
}
});
};
exports.startrace = function (io, socket) {
socket.on("START_RACE", ({ room }) => {
room = "room-" + room;
redis
.sendPara(room)
.then(({ jsonBody, usernames }) => {
redis.setParaTypedByTheseUsers(usernames, jsonBody.id);
io.in(room).emit("PARA", jsonBody.para);
})
.catch((err) => {
console.log(err);
});
});
};
exports.typing = function (io, socket) {
socket.on("TYPING", ({ room, message }) => {
console.log(message);
socket.to(room).emit("TYPING", message);
});
};
exports.stoptyping = function (io, socket) {
socket.on("donetyping", ({ username }) => {
socket.to(room).emit("donetyping", "username has finished typing");
});
};