raphael/calenderwatch_client
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pulls device Fingerprint from Server, if watch does not have one

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- adds debug switch, where 'downloads' instead of 'wgt-private' is used
  so that files prevail after a reinstall
- watch saves a device fingerprint on the device itself
- some minor code simplification

-> future version of server should generate a UID and save to database
This commit is contained in:
Raphael Maenle
2020-05-23 23:50:21 +02:00
parent 7ba4de53b4
commit 86c0c8a23f
5 changed files with 214 additions and 61 deletions
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122
js/app.js
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@ -14,8 +14,12 @@
* limitations under the License.
*/
/* 'downloads' for debugging,
* 'wgt-private' for any release */
var STORAGE_SPACE = "downloads";
var events = null;
var deviceId = null;
var deviceFingerprint = null;
var eventsTimeStamp = 0;
(function() {
@ -38,12 +42,18 @@ var eventsTimeStamp = 0;
console.log(exc.message)
}
if(dirfile == null)
return null;
// if file not existed, call callback with null
if(dirfile == null) {
callback(null)
return;
} else {
// if file was found, call callback with json
dirfile.openStream("r", function(fs) {
callback(JSON.parse(fs.read(dirfile.fileSize)));
fs.close();
});
}
}
function onerror(e){
@ -51,7 +61,7 @@ var eventsTimeStamp = 0;
}
function onsuccessPermission(){
tizen.filesystem.resolve("wgt-private", onsuccess, onerror, "rw");
tizen.filesystem.resolve(STORAGE_SPACE, onsuccess, onerror, "rw");
}
function onErrorPermission(e){
@ -61,7 +71,7 @@ var eventsTimeStamp = 0;
tizen.ppm.requestPermission("http://tizen.org/privilege/mediastorage", onsuccessPermission, onErrorPermission);
}
function readJSON(path) {
function readJSON() {
/* - requests permission to view media storage
* - resolves the file 'calendarevents'
* - opens stream and reads entire file as json
@ -70,25 +80,88 @@ var eventsTimeStamp = 0;
getJsonFile("calendarevents", function(eventlist) {events = eventlist;});
console.log(events);
}
function getDeviceID() {
// check if device id set already as global, if it is return
if(deviceId != null)
return;
// otherwise, check if there is a devicefingerprint file in wft-private
getJsonFile("devicefingerprint", function(df) {deviceId = df;})
// if there is, open it up and get your device ID from it
// otherwise, ask the longitude server for a device fingerprint file
function getNewFingerprintFromServer() {
console.log("fingerprintfromserver");
getFileFromServer("/devicefingerprint.json", function() {
console.log("1");
getJsonFile("devicefingerprint", function(df) {devicefingerprint = df; console.log(devicefingerprint)});
});
}
function getDeviceFingerprint() {
console.log("getfingerprint");
// check if device id set already as global, if it is return
if(deviceFingerprint != null)
return;
// otherwise, check if there is a devicefingerprint file in wgt-private
// if there is, open it up and get your device ID from it
getJsonFile("devicefingerprint", function(df) {
if(df != null) {
deviceFingerprint = df;
} else {
// otherwise, ask the longitude server for a device fingerprint file
getNewFingerprintFromServer();
}
})
}
function getFileFromServer(route, callback) {
var server = "https://longitudecalendar.com/"
var downloadRequest = new tizen.DownloadRequest(server + route, STORAGE_SPACE);
tizen.systeminfo.getPropertyValue('NETWORK', function(networkInfo) {
if (networkInfo.networkType === 'NONE') {
console.log('Network connection is not available.Download is not possible.');
downloadRequest = null;
}
});
var listener = {
/* When the download progresses (interval is platform-dependent) */
onprogress: function(id, receivedSize, totalSize) {
console.log('progress for id: ' + id);
},
/* When the user pauses the download */
onpaused: function(id) {
console.log('Paused with id: ' + id);
},
/* When the user cancels the download */
oncanceled: function(id) {
console.log('Canceled with id: ' + id);
},
/* When the download is completed */
oncompleted: function(id, fullPath) {
console.log('Completed with id: ' + id + ', full path: ' + fullPath);
callback();
},
/* When the download fails */
onfailed: function(id, error) {
console.log('Failed with id: ' + id + ', error name: ' + error.name);
}
};
downloadId = tizen.download.start(downloadRequest, listener);
}
function getJSON() {
/*if(deviceId == null)
return;
*/
var downloadRequest = new tizen.DownloadRequest('https://longitudecalendar.com/userinfo/107971745944668140075/calendarevents.json', 'wgt-private');
if(deviceFingerprint == null) {
getDeviceFingerprint();
return false;
}
console.log(deviceFingerprint);
console.log(deviceFingerprint.deviceId);
getFileFromServer("userinfo/" + deviceFingerprint.deviceId + "/calendarevents.json", readJSON);
return true;
var downloadRequest = new tizen.DownloadRequest('https://longitudecalendar.com/userinfo/107971745944668140075/calendarevents.json', STORAGE_SPACE);
tizen.systeminfo.getPropertyValue('NETWORK', function(networkInfo) {
if (networkInfo.networkType === 'NONE') {
console.log('Network connection is not available.Download is not possible.');
@ -116,7 +189,7 @@ var eventsTimeStamp = 0;
/* When the download is completed */
oncompleted: function(id, fullPath) {
console.log('Completed with id: ' + id + ', full path: ' + fullPath);
readJSON(fullPath);
readJSON();
},
/* When the download fails */
@ -390,7 +463,6 @@ var eventsTimeStamp = 0;
// Draw the text for date
// renderText(ctxContent, date, center.x, center.y + (watchRadius * 0.5), 25, "#999999");
console.log(events);
if(events == null)
return;
@ -454,8 +526,8 @@ var eventsTimeStamp = 0;
var currentTime = d.getTime();
if(eventsTimeStamp + offset_ms < currentTime){
getJSON();
eventsTimeStamp = currentTime;
}
eventsTimeStamp = currentTime;
}
}
@ -514,7 +586,7 @@ var eventsTimeStamp = 0;
// Update the content of the watch every second
setInterval(function() {
drawWatchContent();
updateCalendar(600000);
updateCalendar(5000); //60000 -> 10 minutes
}, 1000);
}