raphael/calenderwatch_client
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moves json readout to seperate function with callback

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- adds function to get device fingerprint
- adds readJsonFromFile function with file name in 'wgt-private' and
callback function
This commit is contained in:
Raphael Maenle
2020-05-23 22:19:31 +02:00
parent 6866c8e9e1
commit 7ba4de53b4
5 changed files with 170 additions and 49 deletions
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57
js/app.js
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@ -14,7 +14,8 @@
* limitations under the License.
*/
var events;
var events = null;
var deviceId = null;
var eventsTimeStamp = 0;
(function() {
@ -24,22 +25,25 @@ var eventsTimeStamp = 0;
ctxContent,
center,
watchRadius;
function readJSON(path) {
/* - requests permission to view media storage
* - resolves the file 'calendarevents'
* - opens stream and reads entire file as json
*/
function getJsonFile(name, callback) {
/* successful resolution of wgt-private */
function onsuccess(dir){
var dirfile = dir.resolve("calendarevents");
console.log(dirfile);
/* for tizen 4.0, should work on 5.5 aswell but tizen 5.5 uses 'openFile' for Filereading */
var dirfile = null;
try {
dirfile = dir.resolve(name);
} catch (exc) {
console.log(exc.message)
}
if(dirfile == null)
return null;
dirfile.openStream("r", function(fs) {
events = JSON.parse(fs.read(dirfile.fileSize));
fs.close();
})
callback(JSON.parse(fs.read(dirfile.fileSize)));
fs.close();
});
}
function onerror(e){
@ -56,8 +60,34 @@ var eventsTimeStamp = 0;
tizen.ppm.requestPermission("http://tizen.org/privilege/mediastorage", onsuccessPermission, onErrorPermission);
}
function readJSON(path) {
/* - requests permission to view media storage
* - resolves the file 'calendarevents'
* - opens stream and reads entire file as json
*/
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 getJSON() {
/*if(deviceId == null)
return;
*/
var downloadRequest = new tizen.DownloadRequest('https://longitudecalendar.com/userinfo/107971745944668140075/calendarevents.json', 'wgt-private');
tizen.systeminfo.getPropertyValue('NETWORK', function(networkInfo) {
if (networkInfo.networkType === 'NONE') {
@ -360,6 +390,7 @@ 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;