Questions tagged [firebase]
Firebase is a real-time application platform, optimized for building collaborative, asynchronous applications with mostly client-side code.
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Flutter: Updating the more recent value while the user in viewing the page with streams
Am I thinking about this the right way?
I created a function that takes in a value from firebase, value in seconds, and convert it into hours:minutes:seconds, this works fine. I've used Streams for my ...
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React Native clean up firebase function
I've been working on my personal project, using React Native and Firebase.
Recently, I've encountered the following error on multiple occasions:
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Add to Favourite List example - working but with performance issues
I am building a small framework for e-commerce or blog app using React.
One of the features of this framework is an "Add to Favourite List" function.
The ...
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React Native login, sign up and sign out using Firebase project
I have built a basic app which uses firebase for authentication.
The app is pretty simple.
Sign up the user to firebase using email and password.
Sign in the user
Sign out the user
Also, I have ...
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Implementing a REST API that uploads a document and it's information to the drive and database
I want to develop an applications where users (students in my university) can upload documents (some sort of a GUI for the drive). I have a Vue application and a NodeJS server which is used as a REST ...
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Destructuring with map and assigning to a constant
I don't know exactly what to name this, but I was refactoring a code snippet and looking at this constant users I thought I'd do this destructuring:
Before:
...
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Implementing a persistent Firestore event listener with Kotlin flows
I was writing a social media sample application for Android in Kotlin. One of the requirements in the project is a screen which show the profile of his friend to a user. This profile screen should ...
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Firestore Paging implementation for multiple OR query Android
As firestore don't support in operation for more than 10 items. So I decided to write a code to handle multiple (OR) query and merge them afterwards.
Suppose I want to show posts of the user you ...
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My First React JS Portfolio Web App : A Restaurant Website
I have written my first react js web app. It is a portfolio project which is a restaurant website. I have used firebase to authenticate users and to host my website. I am asking the Code Review ...
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Advice converting an onCreate firebase cloud function trigger with FCM Messaging to support async/await and database reads
I initially had a simple firebase cloud function that sent out a push notification to a topic when a new message child was created in my real-time database. But I wanted to add message filtering where ...
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Angular observables piping
I wanted to check and see if this was as efficient as can be. The goal is to get a user's data from a group of documents that contains references to users in Firestore.
ngOnInit
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JavaScript async/await function performance improvement
I have a simple async/await function which gets data from a firebase endpoint. I would like to know if there is any room for improvement performance wise.
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Private desktop and mobile WebSocket connections with Node.js
Background info
To learn a new branch of my dev career, I've started a new project in my spare time (I've never used WebSockets before and I also want to learn more about common authentication flows). ...
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Swift iOS rewrite a function that use Firebase database without updating a global variable
I'm learning swift programming and i built a music trivia app for iOS that use firebase real time database.
I have a function that before the game start get the number of record for each category of ...
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Firestore async function with array and object transform for jquery datatables - improve efficiency and maintainability
How could this Firestore function be improved, please? This is a question to help us learn to write better code. So by improved, I don't mean made shorter... I mean made clearer as to what it is doing,...
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Search filter for words in dart
I need to add search filters for firebase So that I can get search result easily and precisely
I was altering the code from hereThis Medium Post
I would like to optimize this code.
...
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@angular/fire Firestore cached service
I've written a service for firebase that handles all my Firestore calls. The goal is to only read the database once on app init( load() function) and then keep a copy of the database inside local ...
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ZooRater mobile app. This code is responsible for displaying and handling zoo dashboard. Need general advice
Context: gitlab link
I know, it's a lot of code but I need your help ladies and gentleman. I'm not sure if I can ask for code review for the whole project so I just ask to review this activity. I ...
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Handling google authentication with firebase in nextjs web app
Background info
I have just started using/ learning how to use Next.js and developed a basic application which allows users to view several pages, some of which are authentication protected. Users ...
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Cloud Function: Deleting from both Firestorage and Firestore in a kind of "batch"
I've written code that deletes a "post" the user has sent with my Android app. A "post" is made of an image (stored in Firestorage) named A, of a Firestore document named B which is the user UID (this ...
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Fulfillment webhook with Dialogflow to operate on a Firestore database
I'm currently calling a fulfillment webhook with dialogflow in my node backend, performing crud operations on a firestore db. Is there a better, cleaner way to ...
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Managing Angular subscriptions
There are different methods to get data from server in Angular application:
Get Observable from the service and subscribe to it at component
Create Subject at the service and subscribe to the Subject ...
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Google Play billing + Firebase functions: Creating a one-time product, server-side
My Android app must request my Cloud Functions server to create in-app products at runtime ; then, the server responds with the created one-time product. I've written the server Cloud Function that ...
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Functions to handle async calls and also handle loading and error status in React component
I've got the following component structure:
Component hierarchy:
<AdminBlogPostContainer>
<AdminBlogPostPage>
<BlogPostForm>
...
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Angular polling and plotting component using Firebase
I could use some help refactoring my component and service. I have a lot of nested logic and wasn't sure what I could do to improve this. I'm new to Angular 7 and their piping syntax. I suspect this ...
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Simplifying a firestore querying function
I have this function where it queries through the database and returns a random user if the requirement is met if not then try it again. It works and all but I feel like the code could be better/...
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Firebase login/registration process for a dating app
I am developing another bigger project, I want to try a simple DatingApp and currently I try to develop a Login and Registration Form. There is no special register / login button, the code will later ...
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Destroy Singleton pattern in kotlin
I am practicing Singleton pattern in kotlin.
It is a quiz app which has question tile with four options and one correctIndex.
McqOldActivity.classs
...
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2
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148
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NoSQL data model design for players in a game
I am modelling a game which can be single (player1 vs player2) or double (pair 1 vs pair 2, where each pair contains 2 players) and each game has a score. The game is group and date based e.g. Group A ...
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Updating text with JavaScript and Firebase [closed]
My problem is this causes more lag as time goes on. I use this commonly to chat with my friends, and I need it the site to update in real-time whenever a message gets edited/deleted/added. Any ...
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How can this swift, firebase image fetching, function be made more concise?
I am trying to fetch a group of images within a place in Firebase database ref. I then loop through each image adding it to an array which is then supposed to be added to a tableview cell. I was ...
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Correct Callback for each item
I have added a correct question callback for different types of questions like: radio, checkbox and descriptive..
QuestionListActivity.class (it shows the list of questions to attempt)
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Loading items for an eCommerce site
I am attempting to make an eCommerce site from scratch. Right now I have the following code that gets all the items from a Firebase Firestore database and then adds HTML into an items div element ...
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Firebase Plotter for Ionic
I've written this plotter for Ionic in Typescript to plot data that I push to a Firebase list. I'm new to Typescript so I'm interested in all kinds of feedback, especially on the style.
First I've ...
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Swift UITableViewCell class to show cameras, ratings for a car wash and other information
I have an UITableViewCell class that written in Swift. And it seems to me that I did it the wrong way. It works fine, but I want improve the code or refactor it somehow to make it look better.
Any ...
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Firebase server-side auth with persistent websocket connection
I've been diving a bit into JavaScript for the first time in forever, generally trying things out, and getting acquainted.
I gave my toy project the following requirements:
single-page react app
...
user128454
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Authenticate ASP.NET Web Api 2 using OWIN and Firebase
I'm about to go live with an app, and would, therefore, appreciate a review of my firebase authentication setup. I haven't been able to find many resources describing how to perform such ...
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Parameter guards for Firebase calls
I have code to ensure parameters existence all over the place. Is there a better way to do it? So that I do not have so many repeated codes inside different functions
...
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Controlling Finances with Web Development
Purpose
First, let me explain the title: I previously had managed my finances like an old fashioned company might, and it worked wonders for making financial decisions (at least for me). I wanted my ...
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Maintainable networking layer architecture
There are so many different solutions and examples on how to build a proper networking layer, but every app has different constraints, and design decisions are made based off trade-offs, leaving me ...
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Vue + Vuex + Firebase serverless realtime chat
I am "discovering" Firebase and I'm trying create simple chat with Vue, Vuex and Firebase. But because I'm just starting out with Vue, I need code review or advices from more experienced programmers. ...
user145018
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Uploading photos of various sizes
In my solution I've implemented transaction-like methods of uploading posts media. For example I'm adding new post with photo. I want to have 700x700, 200x200, 70x70, 10x10 px sizes in my storage and ...
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Make methods shorter when parsing Firebase data
I have a simple parsing method from firebase. How i can do it smaller?The fact is that after the data is changed I will need to update my View so that the code can be added, which also does not sound ...
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Simple networking layer in Swift using Strategy design pattern
Does the following code demonstrate proper use of Strategy design pattern for a simple networking layer in swift 3?
Some code smells I'm unsure about:
violates Single responsibiility principle. ...
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Fetch nearby chat users using Firebase and nested completion handlers
I have a method that calls three functions that each make a request to Firebase and pass back data in a completion handler. Once the data from 2 of the completion handlers is sent back, I call another ...
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Angular Guards - Firebase loggedInAndVerified
I have an app that I want to limit to both logged in and verified users. I was able to make two separate guards (logged-in.guard.ts and ...
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Chrome Extension Code: LOL Link Sharer
I made a hacky version of a chrome extension to compliment a weekly literary/arts publication. The extension helps me curate links from my publication's readers since there's only so much I can curate ...
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Populating a UITableView with staff members using Firebase data
The end user will be able to see a list of staff that works at a church. The staff consists of 5 individuals with 5 different position titles (Minister, Pastor, etc.). This data is pulled from ...
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HackerNews news fetcher
The following code is part of a big application. I am new to Go, and appreciate feedback on the best practices and improvements. Please consider styling and comments as well.
Every 30 minutes, this ...
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Collecting a user's Stripe information
I am new to both asynchronous programming and Android development. I am allowing the user to sign in with either their email/password or their Google account. Upon successfully signing in, the user's ...
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