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Refactor sendMessageToDevices

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Leverage map and Promise.all for more concise and linear code flow.
This commit is contained in:
lilia 2015-09-22 15:54:15 -07:00
parent 9ff95c7e61
commit bafc61600c
2 changed files with 44 additions and 44 deletions
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44
js/libtextsecure.js
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@ -39688,46 +39688,46 @@ window.textsecure.messaging = function() {
var self = {};
// message == PushMessageContentProto (NOT STRING)
// message == DataMessage or ContentMessage proto
function sendMessageToDevices(timestamp, number, deviceObjectList, message) {
var jsonData = [];
var relay = undefined;
var promises = [];
var addEncryptionFor = function(i) {
if (deviceObjectList[i].relay !== undefined) {
return Promise.all(deviceObjectList.map(function(device) {
if (device.relay !== undefined) {
if (relay === undefined)
relay = deviceObjectList[i].relay;
else if (relay != deviceObjectList[i].relay)
return new Promise(function() { throw new Error("Mismatched relays for number " + number); });
relay = device.relay;
else if (relay != device.relay)
return new Promise(function() {
throw new Error("Mismatched relays for number " + number);
});
} else {
if (relay === undefined)
relay = "";
else if (relay != "")
return new Promise(function() { throw new Error("Mismatched relays for number " + number); });
return new Promise(function() {
throw new Error("Mismatched relays for number " + number);
});
}
return textsecure.protocol_wrapper.encryptMessageFor(deviceObjectList[i], message).then(function(encryptedMsg) {
return textsecure.protocol_wrapper.getRegistrationId(deviceObjectList[i].encodedNumber).then(function(registrationId) {
return textsecure.storage.devices.removeTempKeysFromDevice(deviceObjectList[i].encodedNumber).then(function() {
jsonData[i] = {
return textsecure.protocol_wrapper.encryptMessageFor(device, message).then(function(encryptedMsg) {
return textsecure.protocol_wrapper.getRegistrationId(device.encodedNumber).then(function(registrationId) {
return textsecure.storage.devices.removeTempKeysFromDevice(device.encodedNumber).then(function() {
var json = {
type: encryptedMsg.type,
destinationDeviceId: textsecure.utils.unencodeNumber(deviceObjectList[i].encodedNumber)[1],
destinationDeviceId: textsecure.utils.unencodeNumber(device.encodedNumber)[1],
destinationRegistrationId: registrationId,
content: encryptedMsg.body,
timestamp: timestamp
};
if (deviceObjectList[i].relay !== undefined)
jsonData[i].relay = deviceObjectList[i].relay;
if (device.relay !== undefined) {
json.relay = device.relay;
}
return json;
});
});
});
}
for (var i = 0; i < deviceObjectList.length; i++)
promises[i] = addEncryptionFor(i);
return Promise.all(promises).then(function() {
})).then(function(jsonData) {
var legacy = (message instanceof textsecure.protobuf.DataMessage);
return TextSecureServer.sendMessages(number, jsonData, legacy);
});