I am implementing true time flutter library https://pub.dartlang.org/packages/true_time
Getting an error
W/DiskCacheClient(26153): Cannot use disk caching strategy for TrueTime.
CacheInterface unavailable
D/TrueTimeRx(26153): ---- resolving ntpHost : ntp.google.com
W/DiskCacheClient(26153): Cannot use disk caching strategy for TrueTime. CacheInterface unavailable
E/MethodChannel#true_time(26153): Failed to handle method call
E/MethodChannel#true_time(26153): java.lang.IllegalStateException: You need to call init() on TrueTime at least once.
I get this error with a copy of the code from the readme linked to above.
Did you try to use this lib? It uses just dart code, instead of platform channels. https://pub.dartlang.org/packages/ntp
You can get time like this:
DateTime startDate = await NTP.now();
Disclaimer: I'm developer of this lib.
Can you post your code? From the stack trace, it's clear that you did not init TrueTime. In the example in https://pub.dartlang.org/packages/true_time , you can see they have the following code
// ...
_initPlatformState() async {
bool initialized = await TrueTime.init();
setState(() {
_initialized = initialized;
});
_updateCurrentTime();
}
// ...
It should be time.google.com as NTP host instead of ntp.google.com in true_time library.
you can directly use true_time.dart from package and update ntp host to time.google.com to make it work.
To get internet time you can use this plugin ntp: ^2.0.0
import 'package:ntp/ntp.dart';
final int offset = await NTP.getNtpOffset(
localTime: DateTime.now(), lookUpAddress: "time.google.com");
DateTime internetTime = DateTime.now().add(Duration(milliseconds: offset));
Or there are plenty of apis available
http://worldtimeapi.org/api/timezone/Asia/Kolkata
this GET api will provide you indian time you can change the time zone according to your need, the result will be like the below JSON
{
"abbreviation": "IST",
"client_ip": "45.125.117.46",
"datetime": "2022-02-26T10:50:43.406519+05:30",
"day_of_week": 6,
"day_of_year": 57,
"dst": false,
"dst_from": null,
"dst_offset": 0,
"dst_until": null,
"raw_offset": 19800,
"timezone": "Asia/Kolkata",
"unixtime": 1645852843,
"utc_datetime": "2022-02-26T05:20:43.406519+00:00",
"utc_offset": "+05:30",
"week_number": 8
}
Related
I'm trying to use OData V2 as suggested in this comment.
The issue is whenever I use sap.ui.model.odata.v2.ODataModel rather than the deprecated sap.ui.model.odata.ODataModel, I get this error from SAP Gateway Error Log
The Data Services Request could not be understood due to malformed syntax
Controller:
sap.ui.define([
"sap/ui/core/mvc/Controller",
"sap/ui/model/odata/v2/ODataModel",
// ...,
], function(Controller, ODataModel/*, ...*/) {
"use strict";
Here is when I called OData V2:
onPressButton1: function(){
var vEntityURL = "/CustomerSet(ID='000')";
var sServiceUrl = "/Customers_SRV/";
var oServiceModel = new ODataModel(sServiceUrl, true);
oServiceModel.read(vEntityURL, {
success: function(oData) {
// ...
}
});
},
This is batch error.
Your entity set is not supporting batch calls.
Make sure that allows batch call or set use batch - false as below,
oServiceModel.setUseBatch(false);
This will work for you.
I wanted to ask for some help.
I use for a few months a great library google-spreadsheet(https://www.npmjs.com/package/google-spreadsheet) to write data in google sheet.
all worked excellently till last week.
somehow-i don't know what could happen ( didn't change my code), but now when I try to use this library(the same error occurs also if I use python(another library).
I tried to remove some of the sheets and them its seems that it works..in order to continue, I would like to know if someone encountered this issue or how I can debug/probably some data cause to the issue...
Thanks
This is the error:
"error": {
"code": 500,
"message": "Internal error encountered.",
"status": "INTERNAL"
}
}
attached the code(although I'm almost sure it's not related to the code since other python library to google sheets cause to the same error)
AddToGoogleSheet.js
const { GoogleSpreadsheet } = require('google-spreadsheet');
const doc = new GoogleSpreadsheet('XXXXXXXXXXXXXXXXXXXXXXXXXXX');
async function ReadDate(sheetNum) {
await doc.useServiceAccountAuth(require("./keys.json"));
await doc.loadInfo();
const sheet = doc.sheetsByIndex[sheetNum];
const rows = await sheet.getRows();
console.log(rows.length);}
module.exports = {
addrowtosheet,
ReadDate
};
app.js
let sheetservice = require("./Sheets/AddToGoogleSheet");
//let os = require('os');
sheetservice.ReadDate(0)
I Created a android app in which if a press a button and value changes in Firebase database (0/1) , i want to do this using google assistant, please help me out, i searched out but didn't found any relevant guide please help me out
The code to do this is fairly straightforward - in your webhook fulfillment you'll need a Firebase database object, which I call fbdb below. In your Intent handler, you'll get a reference to the location you want to change and make the change.
In Javascript, this might look something like this:
app.intent('value.update', conv => {
var newValue = conv.prameters.value;
var ref = fbdb.ref('path/to/value');
return ref.set(newValue)
.then(result => {
return conv.ask(`Ok, I've set it to ${newValue}, what do you want to do now?`);
})
.catch(err => {
console.error( err );
return conv.close('I had a problem with the database. Try again later.');
});
return
});
The real problem you have is what user you want to use to do the update. You can do this with an admin-level connection, which can give you broad access beyond what your security rules allow. Consult the authentication guides and be careful.
I am actually working on a project using Dialogflow webhook and integrated Firebase database. To make this posible you have to use the fulfilment on JSON format ( you cant call firebasedatabase in the way you are doing)
Here is an example to call firebase database and display a simple text on a function.
First you have to take the variable from the json.. its something loike this (on my case, it depends on your Entity Name, in my case it was "tema")
var concepto = request.body.queryResult.parameters.tema;
and then in your function:
'Sample': () => {
db.child(variable).child("DESCRIP").once('value', snap => {
var descript = snap.val(); //firebasedata
let responseToUser = {
"fulfillmentMessages": [
{ //RESPONSE FOR WEB PLATFORM===================================
'platform': 'PLATFORM_UNSPECIFIED',
"text": {
"text": [
"Esta es una respuesta por escritura de PLATFORM_UNSPECIFIED" + descript;
]
},
}
]
}
sendResponse(responseToUser); // Send simple response to user
});
},
these are links to format your json:
Para formatear JSON:
A) https://cloud.google.com/dialogflow-enterprise/docs/reference/rest/Shared.Types/Platform
B) https://cloud.google.com/dialogflow-enterprise/docs/reference/rest/Shared.Types/Message#Text
And finally this is a sample that helped a lot!!
https://www.youtube.com/watch?v=FuKPQJoHJ_g
Nice day!
after searching out i find guide which can help on this :
we need to first create chat bot on dialogflow/ api.pi
Then need to train our bot and need to use webhook as fullfillment in
response.
Now we need to setup firebase-tools for sending reply and doing
changes in firebase database.
At last we need to integrate dialogflow with google assistant using google-actions
Here is my sample code i used :
`var admin = require('firebase-admin');
const functions = require('firebase-functions');
admin.initializeApp(functions.config().firebase);
var database = admin.database();
// // Create and Deploy Your First Cloud Functions
// // https://firebase.google.com/docs/functions/write-firebase-functions
//
exports.hello = functions.https.onRequest((request, response) => {
let params = request.body.result.parameters;
database.ref().set(params);
response.send({
speech: "Light controlled successfully"
});
});`
In the example below, is there a way to get the uid of the user who wrote to /messages/{pushId}/original?
exports.makeUppercase = functions.database.ref('/messages/{pushId}/original')
.onWrite(event => {
// Grab the current value of what was written to the Realtime Database.
const original = event.data.val();
console.log('Uppercasing', event.params.pushId, original);
const uppercase = original.toUpperCase();
// You must return a Promise when performing asynchronous tasks inside a Functions such as
// writing to the Firebase Realtime Database.
// Setting an "uppercase" sibling in the Realtime Database returns a Promise.
return event.data.ref.parent.child('uppercase').set(uppercase);
});
UPDATED ANSWER (v1.0.0+):
As noted in #Bery's answer above, version 1.0.0 of the Firebase Functions SDK introduced a new context.auth object which contains the authentication state such as uid. See "New properties for user auth information" for more details.
ORIGINAL ANSWER (pre v1.0.0):
Yes, this is technically possible, although it is not currently documented. The uid is stored with the event.auth object. When a Database Cloud Function is triggered from an admin situation (for example, from the Firebase Console data viewer or from an Admin SDK), the value of event.auth is:
{
"admin": true
}
When a Database Cloud Function is triggered from an unauthenticated reference, the value of event.data is:
{
"admin": false
}
And finally, when a Database Cloud Function is triggered from an authed, but not admin, reference, the format of event.auth is:
{
"admin": false,
"variable": {
"provider": "<PROVIDER>",
"provider_id": "<PROVIDER>",
"user_id": "<UID>",
"token": {
// Decoded auth token claims such as sub, aud, iat, exp, etc.
},
"uid": "<UID>"
}
}
Given the information above, your best bet to get the uid of the user who triggered the event is to do the following:
exports.someFunction = functions.database.ref('/some/path')
.onWrite(event => {
var isAdmin = event.auth.admin;
var uid = event.auth.variable ? event.auth.variable.uid : null;
// ...
});
Just note that in the code above, uid would be null even if isAdmin is true. Your exact code depends on your use case.
WARNING: This is currently undocumented behavior, so I'll give my usual caveat of "undocumented features may be changed at any point in the future without notice and even in non-major releases."
Ever since Firebase functions reached version 1.0, this behavior is no longer undocumented but has sligtly changed. Be sure to read the docs.
Context has been added to cloud functions and you can use it like this
exports.dbWrite = functions.database.ref('/path/with/{id}').onWrite((data, context) => {
const authVar = context.auth; // Auth information for the user.
const authType = context.authType; // Permissions level for the user.
const pathId = context.params.id; // The ID in the Path.
const eventId = context.eventId; // A unique event ID.
const timestamp = context.timestamp; // The timestamp at which the event happened.
const eventType = context.eventType; // The type of the event that triggered this function.
const resource = context.resource; // The resource which triggered the event.
// ...
});
I have a bootstrapped extension for Firefox.
And now I want to implement nsIContentPolicy XPCOM component.
I wrote a component module code.
And now I want to register this component.
The reason I want to register component is that I want to add my component to nsICategoryManager.addCategoryEntry with "content-policy" category.
var {Cc, Ci, Cu} = require("chrome");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
//console.error("Running interceptor");
function Interceptor()
}
Interceptor.prototype = {
classDescription: "DeferredTo HTTP requests Interceptor",
classID: "{B5B3D9A0-08FC-11E3-8253-5EF06188709B}",
contractID: "#deferredto.com/Interceptor;1",
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPolicy]),
shouldLoad : function dt_shouldLoad(aContentType, aContentLocation, aRequestOrigin, aContext, aMimeTypeGuess, aExtra) {
console.log("dt_shouldLoad");
if (contentLocation.scheme != "http" && contentLocation.scheme != "https")
return Ci.nsIContentPolicy.ACCEPT;
let result = Ci.nsIContentPolicy.ACCEPT;
// we should check for TYPE_SUBDOCUMENT as well if we want frames.
if ((Ci.nsIContentPolicy.TYPE_DOCUMENT == aContentType) &&
SOME_REGULAR_EXPRESSION.test(aContentLocation.spec)) {
// do stuff here, possibly changing result.
}
return result;
},
shouldProcess: function ILO_shouldProcess() Ci.nsIContentPolicy.ACCEPT,
_xpcom_categories: [
{ category: "content-policy", service: true }
],
classInfo: XPCOMUtils.generateCI(
{classID: Components.ID("{B5B3D9A0-08FC-11E3-8253-5EF06188709B}"),
contractID: "#deferredto.com/Interceptor;1",
classDescription: "Interceptor implements nsIContentPolicy to block images that are not yet at screen #DeferredTo",
interfaces: [
Ci.nsIContentPolicy,
],
flags: Ci.nsIClassInfo.SINGLETON})
}
var components = [Interceptor];
var NSGetFactory = XPCOMUtils.generateNSGetFactory([Interceptor]);
Questions:
Is it possible to register the component from bootstrapped extension?
Is it possible to register the component from restartless extension?
Is it possible to use nsICategoryManager.addCategoryEntry "content-policy" without
component?
How to register the component in bootstrapped extension or somehow add
new "content-policy" category entry?
I've added to harness-options.js
"requirements": {
"sdk/page-mod": "sdk/page-mod",
"sdk/self": "sdk/self",
"chrome": "chrome"},
That is how I try to import module:
var {Cc, Ci, Cu} = require("chrome");
Cu.import("resource://deferredto/lib/interceptor.js");
I' ve tried many paths ))) But none works. resource entry in chrome.manifest file does not allowed for bootstrapped extensions. The path to component module file is:
resources/deferredto/lib/interceptor.js
Adblock Plus, which is restartless but not using the SDK, registers an nsIContentPolicy implementation at runtime, just like your SDK would. There are probably a few SDK add-ons registering components at run time, but I don't know any open source ones that I would recommend to look at off the top of my head.
A few points regarding that ABP implementation and what to change to make it work with the SDK:
The category manager is available via Cc["#mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager).
The component registrar should be available by requiring also components from the chrome module and then components.manager.getService(Ci.nsIComponentRegistrar).
As Adblock Plus, you must unregister your component yourself on unload.
The unload part is unfortunely also a bit tricking, since you cannot synchronously unregister your component and the category entry, due to Bug 753687. Adblock Plus therefore does it async using Util.runAsync, which just dispatches a runnable (event, if you like) to the main thread. I don't think you can use any SDK stuff here, as the SDK will clean up before any async code gets a chance to run, so you'd need to use a low-level XPCOM runnable (or timer) yourself.
Your code will register your component at runtime. You won't touch harness-options or anything like that.
(I also implemented a generic component register function myself, but that again is not SDK code, and would need to be adapted to run in the SDK, just like the ABP one. It is also very similar to the ABP one.)
Now my nsIContentPolicy sdk-based component look like this. File interceptor.js:
'use strict';
var { Class } = require('sdk/core/heritage');
var xpcom = require('sdk/platform/xpcom');
var { Cc, Ci, Cu, Cm } = require('chrome');
var categoryManager = Cc["#mozilla.org/categorymanager;1"]
.getService(Ci.nsICategoryManager);
// nsIDOMNode
const TYPE_DOCUMENT_NODE = Ci.nsIDOMNode.DOCUMENT_NODE;
/// Interceptor
var contractId = "#deferredto.com/Interceptor;1";
var Interceptor = Class({
extends: xpcom.Unknown,
interfaces: [ 'nsIContentPolicy' ],
get wrappedJSObject() this,
shouldLoad : function dt_shouldLoad(contentType, contentLocation, requestOrigin, context, mimeTypeGuess, extra) {
let result = Ci.nsIContentPolicy.ACCEPT;
return result;
},
shouldProcess: function () Ci.nsIContentPolicy.ACCEPT
});
var factory = xpcom.Factory({
contract: contractId,
Component: Interceptor,
unregister: false // see https://bugzilla.mozilla.org/show_bug.cgi?id=753687
});
/// unload
var unload = require("sdk/system/unload");
unload.when(function() {
function trueUnregister() {
categoryManager.deleteCategoryEntry("content-policy", contractId, false);
try {
console.log("xpcom.isRegistered(factory)=" + xpcom.isRegistered(factory));
console.log("trueUnregister");
xpcom.unregister(factory);
console.log("xpcom.isRegistered(factory)=" + xpcom.isRegistered(factory));
} catch (ex) {
Cu.reportError(ex);
}
}
if ("dispatch" in Cu) {
console.log('"dispatch" in Cu');
Cu.dispatch(trueUnregister, trueUnregister);
} else {
console.log('"dispatch" not! in Cu');
Cu.import("resource://gre/modules/Services.jsm");
Services.tm.mainThread.dispatch(trueUnregister, 0);
}
});
//xpcom.register(factory);
var interceptor = Cc[contractId].createInstance(Ci.nsIContentPolicy);
categoryManager.deleteCategoryEntry("content-policy", contractId, false);
categoryManager.addCategoryEntry("content-policy", contractId, contractId, false, true);
And you can use it from sdk like this:
var interceptor = require("./interceptor");