rom-firebase | Firebase Adapter for Ruby Object Mapper | SDK library
kandi X-RAY | rom-firebase Summary
kandi X-RAY | rom-firebase Summary
Firebase Adapter for Ruby Object Mapper
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Trending Discussions on rom-firebase
QUESTION
I'm having trouble understanding how to properly end a firestore trigger. From what I read from this and this, it seems you should only return null to end a function if there's no async code such as to quickly end if a condition isn't met. When I return null in my scenario below, it seems to work fine. Is there a better practice for what I'm doing that I'm missing?
I need to log my own custom error message which why I need the catch. I know I could return Promise.all here instead of null in the try block, but this is just sudo code for my scenario.
...ANSWER
Answered 2022-Mar-20 at 19:55There's no hard requirement to return null. In fact, async functions always return a promise, no matter what you do inside the function. The promise it returns is based on the completion of any other promises that you await during processing. Even if you explicitly return null, the function is still actually just returning a promise that is immediately fulfilled with the value null. It has no effect on the final outcome, since Cloud Functions onDelete triggers don't use the fulfilled value in any way. The important thing is that the function indeed returns a promise that indicates when all the work is complete (and, as I stated, async functions always do that if you use await correctly inside the function on all async work).
When you're not using async/await, I advise programmers to always return a promise, or null if there is no async work. The null there is an explicit way to tell the reader of your code that you do not intend for Cloud Functions to wait for any async work before fully terminating the function. It helps also helps satisfy eslint or TypeScript warnings, which will suggest to you that you should return something. The value itself isn't really important - it's what you're communicating to others about the termination of your function. Code readability is important if you work with others.
QUESTION
I want to delete by facebook provider user in my firebase authentication using this question in my nodeJs. But somehow i getting error that getUserByProviderUid is not a function. I attached the error message below.
Here is code
...ANSWER
Answered 2022-Feb-17 at 07:53The getUserByProviderUid() was added in version 9.5.0 of Admin SDK. You'll have to update the Admin SDK to use it. Try upgrading to latest version.
QUESTION
In the Unity Editor, the app works well with the Firebase storage. Images are downloaded and used. When we build the Unity app for iOS, it gave errors when it tries to download the images from the Firebase Storage. I think, this is an issue to writing permission, and I have no clue on how to solve it from Unity code
What was done- Clean Build Folder
- Update to Latest Firebase packages
- Refer to these SO questions:
- Firebase Storage download to local file error
- Images not downloading from Firebase Storage
- Error when downloading from Firebase storage
- These threads aren't using Unity, and I don't know how these can be applied to the issue at hand
ANSWER
Answered 2021-Dec-22 at 13:52The solution was certainly not obvious.
Apparently, all I need to do was to prepend file:/// to the savePath variable, like so:
QUESTION
I'm trying to display all images I have stored in firebase cloud storage. Though I can see the links with the help of console.log(fetchUrl), thanks to the Firebase Doc but I'm not able to display them on my screen. so I thought of using the useState method but still it doesn't work. I don't know why. I have seen one result that matches my answer but its firebase v8 and the v9 is very different from this. So please help me out here.
It would be great help if you could translate the v8 to v9 from the above link for me.
ANSWER
Answered 2021-Nov-14 at 15:43While the v9 modular syntax is different, the way to deal with multiple asynchronous operations is still the same: use Promise.all.
In your case that'd be something like:
QUESTION
I am trying to get data from Firebase Realtimedatabase to my mypage.page via firebase.service:
- I can get simple data (strings for example) inside the
firebase.serviceandmypage.page, but I can’t load objects intomypage.page. - In console I get bunch of error messages
Cannot read properties of undefined (reading 'id').
Console log:
...ANSWER
Answered 2021-Sep-19 at 20:56This should work as expected, the error that you get is because the localData is indeed undefined until the data comes from the network.
You have 2 solutions for this:
- Either give
localDataan initial value, so it's no longerundefined:
QUESTION
I am trying to retrieve data under all userIds. I tried what is suggested in here see my code bellow:
...ANSWER
Answered 2021-Aug-09 at 14:58To get the rating value that exists under each customer, you need to loop through the DataSnapshot object twice. So please try the following lines of code:
QUESTION
I am sending cloud-messages to my app but Firebase-CF-Reports tells me that they would not be received:
But I know for sure that some devices do receive them. e.g. my own. So something is going wrong here in the reports.
I read about this problem here and here but I already have an analytics-label that I send with my cloud-message.
This is how I sent my notifications with java-admin-sdk:
...ANSWER
Answered 2021-May-04 at 07:51Despite I did not find this in the official documentation, I found information in this discussion in the comments to this answer here. Turns out that subscribing to a topic in FCM is not necessarily permanent. So don't subscribe users to a topic once. Instead do it on every app start, although it is
"not technically necessary. It may depend on your use case. For example, if you want a global topic where all users are a member of, you'd have to make sure that they are subscribed to it. Putting the subscribe method when the app starts guarantees this."
- -@AL.
Since I changed that, the Notifications are received by a lot more people than before. Only the open-count is still not working for me. It is always on zero.
QUESTION
My question is based on this one: Retrieve specific user data from firebase in flutter. There is answer how to get user data using user id, but I don't know how to get some specific user data, e.g. how to get name or age.
Summary:
- Every user has unique id and name, age, address.
- I have user id and I want to get another user data, e.g. I want to get name of that user. How?
ANSWER
Answered 2021-Apr-19 at 15:57If what you mean is that you would like to make something like SELECT x,y,z i have to say you cannot..
You have to first retreive the document by its uniqueId then you can read specifica data
QUESTION
I'm running a WebView Android App that points to a WebApp. Everything ok. But now, I'm having problem to refresh the url which is already loaded when the method onNewToken from FirebaseMessagingService is called and also inject a JS into it. I have heard about Intents and also found this question but can't really understand how and where to apply the Intents.
Here is what my code currently looks like:
MyFirebaseMessagingService:
...ANSWER
Answered 2021-Mar-16 at 22:28Yes you have to use Intents but at first use LocalBroadcastManager in your "MyFirebaseMessagingService" :
QUESTION
I want to update data in fire base by plus it by a value. Ex: data = data + 1 I've read this article Get a value from Firebase and update it with the current value + 1 and the top answer uses transaction to deal with it. But I cannot find transaction function in cloud_firestore: ^0.16.0.
ANSWER
Answered 2021-Mar-02 at 02:27That answer is for Firebase's Realtime Database, while you are using Cloud Firestore.
To atomically increment a value in Firestore, you can use its transaction API, or you can use its increment operation, which makes it much easier.
It could be as simple as:
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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