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Unique id via DB

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Kasper Rynning-Tønnesen
2017-09-12 10:22:07 +02:00
parent bf8563bd74
commit 43af2219d1
1 changed files with 35 additions and 8 deletions
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43
server/server.js
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@@ -144,13 +144,29 @@ io.on('connection', function(socket){
socket.emit("ok");
});
var get_short_id = function(seed, minlen) {
var len = minlen;
var id = rndName(seed, minlen);
db.collection("unique_ids").update({"_id": "unique_ids"}, {$addToSet: {unique_ids: id}}, {upsert: true}, function(err, updated) {
if(updated.nModified == 1) {
short_id = id;
socket.join(short_id);
socket.emit("id", short_id);
} else {
get_short_id(rndName(String(len)+id, len + 0.1));
}
});
}
var socketid = socket.id;
var coll;
var in_list = false;
var short_id = uniqueID(socketid,4);
var short_id = get_short_id(socketid, 4);
//var short_id = uniqueID(socketid,4);
var offline = false;
//names.push(name);
unique_ids.push(short_id);
//unique_ids.push(short_id);
var name;
var chromecast_object = false;
if(names[guid] === undefined){
@@ -305,7 +321,8 @@ io.on('connection', function(socket){
}*/
remove_from_array(unique_ids, short_id);
remove_unique_id(short_id);
//remove_from_array(unique_ids, short_id);
db.collection("connected_users").update({"_id": "offline_users"}, {$addToSet: {users: guid}}, function(err, docs) {});
db.collection("connected_users").update({"_id": "total_users"}, {$inc: {total_users: 1}}, function(err, docs) {});
@@ -478,8 +495,6 @@ io.on('connection', function(socket){
}
in_list = true;
socket.join(coll);
socket.join(short_id);
socket.emit("id", short_id);
check_inlist(coll, guid, socket, name, offline);
io.to(coll).emit("viewers", frontpage_lists.viewers);
@@ -1311,7 +1326,12 @@ function left_channel(coll, guid, name, short_id, in_list, socket, change)
}
}*/
remove_from_array(unique_ids, short_id);
//remove_from_array(unique_ids, short_id);
remove_unique_id(short_id);
}
function remove_unique_id(short_id) {
db.collection("unique_ids").update({"_id": "unique_ids"}, {$pull: {unique_ids: short_id}}, function(err, docs) {});
}
function remove_from_array(array, element){
@@ -1786,9 +1806,16 @@ function uniqueID(seed, minlen){
var len = minlen;
var id = rndName(seed, minlen);
while( contains(unique_ids, id) && len<=8){
db.collection("unique_ids").update({"_id": "unique_ids"}, {$addToSet: {unique_ids: id}}, function(err, updated) {
if(updated.nModified == 1) {
return id;
} else {
return uniqueID(rndName(String(len)+id, len + 0.1));
}
});
/*while( contains(unique_ids, id) && len<=8){
id = rndName(String(len)+id, len);
len += 0.1; // try 10 times at each length
}
return id;
return id;*/
}