mirror of
https://github.com/supabase/supabase.git
synced 2026-06-22 07:22:07 +08:00
8bf9cd1477
* chore: update links * chore: move duplicate sections into components. * fix: auth-helpers-nextjs docs * chore: rename to _partials. Co-authored-by: Copple <10214025+kiwicopple@users.noreply.github.com>
577 lines
15 KiB
Plaintext
577 lines
15 KiB
Plaintext
---
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id: with-ionic-angular
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title: 'Quickstart: Ionic Angular'
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description: Learn how to use Supabase in your Ionic Angular App.
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sidebar_label: Ionic Angular
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---
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import Tabs from '@theme/Tabs'
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import TabItem from '@theme/TabItem'
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import QuickstartIntro from './_partials/quickstart_intro.md'
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import ProjectSetup from './_partials/project_setup.mdx'
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<QuickstartIntro />
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### GitHub
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Should you get stuck while working through the guide, refer to [this repo](https://github.com/mhartington/supabase-ionic-angular).
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<ProjectSetup />
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## Building the App
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Let's start building the Angular app from scratch.
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### Initialize an Ionic Angular app
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We can use the [Ionic CLI](https://ionicframework.com/docs/cli) to initialize
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an app called `supabase-ionic-angular`:
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```bash
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npm install -g @ionic/cli
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ionic start supabase-ionic-angular blank --type angular
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cd supabase-ionic-angular
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```
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Then let's install the only additional dependency: [supabase-js](https://github.com/supabase/supabase-js)
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```bash
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npm install @supabase/supabase-js
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```
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And finally we want to save the environment variables in the `environment.ts` file.
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All we need are the API URL and the `anon` key that you copied [earlier](#get-the-api-keys).
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These variables will be exposed on the browser, and that's completely fine since we have [Row Level Security](/docs/guides/auth#row-level-security) enabled on our Database.
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```ts title="environment.ts"
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export const environment = {
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production: false,
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supabaseUrl: 'YOUR_SUPABASE_URL',
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supabaseKey: 'YOUR_SUPABASE_KEY',
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}
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```
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Now that we have the API credentials in place, let's create a **SupabaseService** with `ionic g s supabase` to initialize the Supabase client and implement functions to communicate with the Supabase API.
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```ts title="src/app/supabase.service.ts"
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import { Injectable } from '@angular/core'
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import { LoadingController, ToastController } from '@ionic/angular'
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import {
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AuthChangeEvent,
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createClient,
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Session,
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SupabaseClient,
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} from '@supabase/supabase-js'
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import { environment } from '../environments/environment'
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export interface Profile {
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username: string
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website: string
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avatar_url: string
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}
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@Injectable({
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providedIn: 'root',
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})
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export class SupabaseService {
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private supabase: SupabaseClient
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constructor(
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private loadingCtrl: LoadingController,
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private toastCtrl: ToastController
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) {
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this.supabase = createClient(
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environment.supabaseUrl,
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environment.supabaseKey
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)
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}
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get user() {
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return this.supabase.auth.user()
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}
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get session() {
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return this.supabase.auth.session()
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}
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get profile() {
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return this.supabase
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.from('profiles')
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.select(`username, website, avatar_url`)
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.eq('id', this.user?.id)
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.single()
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}
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authChanges(
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callback: (event: AuthChangeEvent, session: Session | null) => void
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) {
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return this.supabase.auth.onAuthStateChange(callback)
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}
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signIn(email: string) {
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return this.supabase.auth.signIn({ email })
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}
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signOut() {
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return this.supabase.auth.signOut()
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}
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updateProfile(profile: Profile) {
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const update = {
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...profile,
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id: this.user?.id,
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updated_at: new Date(),
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}
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return this.supabase.from('profiles').upsert(update, {
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returning: 'minimal', // Don't return the value after inserting
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})
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}
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downLoadImage(path: string) {
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return this.supabase.storage.from('avatars').download(path)
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}
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uploadAvatar(filePath: string, file: File) {
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return this.supabase.storage.from('avatars').upload(filePath, file)
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}
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async createNotice(message: string) {
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const toast = await this.toastCtrl.create({ message, duration: 5000 })
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await toast.present()
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}
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createLoader() {
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return this.loadingCtrl.create()
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}
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}
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```
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### Set up a Login route
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Let's set up an route to manage logins and sign ups. We'll use Magic Links, so users can sign in with their email without using passwords.
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Create an **LoginPage** with `ionic g page login` Ionic CLI command.
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> This guide will show the template inline, but the example app will have templateUrls
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```ts title="src/app/login/login.page.ts"
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import { Component, OnInit } from '@angular/core'
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import { SupabaseService } from '../supabase.service'
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@Component({
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selector: 'app-login',
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template: `
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<ion-header>
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<ion-toolbar>
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<ion-title>Login</ion-title>
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</ion-toolbar>
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</ion-header>
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<ion-content>
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<div class="ion-padding">
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<h1>Supabase + Ionic Angular</h1>
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<p>Sign in via magic link with your email below</p>
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</div>
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<ion-list inset="true">
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<form (ngSubmit)="handleLogin($event)">
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<ion-item>
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<ion-label position="stacked">Email</ion-label>
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<ion-input
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[(ngModel)]="email"
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name="email"
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autocomplete
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type="email"
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></ion-input>
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</ion-item>
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<div class="ion-text-center">
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<ion-button type="submit" fill="clear">Login</ion-button>
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</div>
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</form>
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</ion-list>
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</ion-content>
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`,
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styleUrls: ['./login.page.scss'],
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})
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export class LoginPage implements OnInit {
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email = ''
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constructor(private readonly supabase: SupabaseService) {}
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ngOnInit() {}
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async handleLogin(event: any) {
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event.preventDefault()
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const loader = await this.supabase.createLoader()
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await loader.present()
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try {
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await this.supabase.signIn(this.email)
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await loader.dismiss()
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await this.supabase.createNotice('Check your email for the login link!')
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} catch (error) {
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await loader.dismiss()
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await this.supabase.createNotice(error.error_description || error.message)
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}
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}
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}
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```
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### Account page
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After a user is signed in we can allow them to edit their profile details and manage their account.
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Create an **AccountComponent** with `ionic g page account` Ionic CLI command.
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```ts title="src/app/account.component.ts"
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import { Component, OnInit } from '@angular/core'
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import { Router } from '@angular/router'
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import { Profile, SupabaseService } from '../supabase.service'
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@Component({
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selector: 'app-account',
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template: `
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<ion-header>
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<ion-toolbar>
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<ion-title>Account</ion-title>
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</ion-toolbar>
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</ion-header>
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<ion-content>
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<form>
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<ion-item>
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<ion-label position="stacked">Email</ion-label>
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<ion-input type="email" [value]="session?.user?.email"></ion-input>
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</ion-item>
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<ion-item>
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<ion-label position="stacked">Name</ion-label>
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<ion-input
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type="text"
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name="username"
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[(ngModel)]="profile.username"
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></ion-input>
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</ion-item>
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<ion-item>
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<ion-label position="stacked">Website</ion-label>
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<ion-input
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type="url"
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name="website"
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[(ngModel)]="profile.website"
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></ion-input>
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</ion-item>
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<div class="ion-text-center">
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<ion-button fill="clear" (click)="updateProfile()"
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>Update Profile</ion-button
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>
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</div>
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</form>
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<div class="ion-text-center">
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<ion-button fill="clear" (click)="signOut()">Log Out</ion-button>
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</div>
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</ion-content>
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`,
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styleUrls: ['./account.page.scss'],
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})
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export class AccountPage implements OnInit {
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profile: Profile = {
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username: '',
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avatar_url: '',
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website: '',
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}
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session = this.supabase.session
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constructor(
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private readonly supabase: SupabaseService,
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private router: Router
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) {}
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ngOnInit() {
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this.getProfile()
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}
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async getProfile() {
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try {
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let { data: profile, error, status } = await this.supabase.profile
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if (error && status !== 406) {
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throw error
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}
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if (profile) {
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this.profile = profile
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}
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} catch (error) {
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alert(error.message)
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}
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}
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async updateProfile(avatar_url: string = '') {
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const loader = await this.supabase.createLoader()
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await loader.present()
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try {
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await this.supabase.updateProfile({ ...this.profile, avatar_url })
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await loader.dismiss()
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await this.supabase.createNotice('Profile updated!')
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} catch (error) {
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await this.supabase.createNotice(error.message)
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}
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}
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async signOut() {
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console.log('testing?')
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await this.supabase.signOut()
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this.router.navigate(['/'], { replaceUrl: true })
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}
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}
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```
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### Launch!
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Now that we have all the components in place, let's update **AppComponent**:
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```ts title="src/app/app.component.ts"
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import { Component } from '@angular/core'
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import { Router } from '@angular/router'
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import { SupabaseService } from './supabase.service'
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@Component({
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selector: 'app-root',
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template: `
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<ion-app>
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<ion-router-outlet></ion-router-outlet>
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</ion-app>
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`,
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styleUrls: ['app.component.scss'],
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})
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export class AppComponent {
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constructor(private supabase: SupabaseService, private router: Router) {
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this.supabase.authChanges((_, session) => {
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console.log(session)
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if (session?.user) {
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this.router.navigate(['/account'])
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}
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})
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}
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}
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```
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Then update the **AppRoutingModule**
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```ts title="src/app/app.ts"
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import { NgModule } from '@angular/core'
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import { PreloadAllModules, RouterModule, Routes } from '@angular/router'
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const routes: Routes = [
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{
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path: '/',
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loadChildren: () =>
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import('./login/login.module').then((m) => m.LoginPageModule),
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},
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{
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path: 'account',
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loadChildren: () =>
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import('./account/account.module').then((m) => m.AccountPageModule),
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},
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]
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@NgModule({
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imports: [
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RouterModule.forRoot(routes, {
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preloadingStrategy: PreloadAllModules,
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}),
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],
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exports: [RouterModule],
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})
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export class AppRoutingModule {}
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```
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Once that's done, run this in a terminal window:
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```bash
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ionic serve
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```
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And the browser will auomatically open to show the app.
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## Bonus: Profile photos
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Every Supabase project is configured with [Storage](/docs/guides/storage) for managing large files like photos and videos.
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### Create an upload widget
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Let's create an avatar for the user so that they can upload a profile photo.
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First install two packages in order to interact with the user's camera.
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```bash
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npm install @ionic/pwa-elements @capacitor/camera
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```
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[CapacitorJS](https://capacitorjs.com) is a cross platform native runtime from Ionic that enables web apps to be deployed through the app store and provides access to native deavice API.
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Ionic PWA elements is a companion package that will polyfill certain browser APIs that provide no user interface with custom Ionic UI.
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With those packages installed we can update our `main.ts` to include an additional bootstapping call for the Ionic PWA Elements.
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```ts title="src/main.ts"
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import { enableProdMode } from '@angular/core'
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import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'
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import { AppModule } from './app/app.module'
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import { environment } from './environments/environment'
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import { defineCustomElements } from '@ionic/pwa-elements/loader'
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defineCustomElements(window)
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if (environment.production) {
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enableProdMode()
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}
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platformBrowserDynamic()
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.bootstrapModule(AppModule)
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.catch((err) => console.log(err))
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```
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Then create an **AvatarComponent** with this Ionic CLI command:
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```bash
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ionic g component avatar --module=/src/app/account/account.module.ts --create-module
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```
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```ts title="src/app/avatar.component.ts"
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import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core'
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import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser'
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import { SupabaseService } from '../supabase.service'
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import { Camera, CameraResultType } from '@capacitor/camera'
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@Component({
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selector: 'app-avatar',
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template: `
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<div class="avatar_wrapper" (click)="uploadAvatar()">
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<img *ngIf="_avatarUrl; else noAvatar" [src]="_avatarUrl" />
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<ng-template #noAvatar>
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<ion-icon name="person" class="no-avatar"></ion-icon>
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</ng-template>
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</div>
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`,
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style: [
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`
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:host {
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display: block;
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margin: auto;
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min-height: 150px;
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}
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:host .avatar_wrapper {
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margin: 16px auto 16px;
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border-radius: 50%;
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overflow: hidden;
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height: 150px;
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aspect-ratio: 1;
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background: var(--ion-color-step-50);
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border: thick solid var(--ion-color-step-200);
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}
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:host .avatar_wrapper:hover {
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cursor: pointer;
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}
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:host .avatar_wrapper ion-icon.no-avatar {
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width: 100%;
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height: 115%;
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}
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:host img {
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display: block;
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object-fit: cover;
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width: 100%;
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height: 100%;
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}
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`,
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],
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})
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export class AvatarComponent implements OnInit {
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_avatarUrl: SafeResourceUrl | undefined
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uploading = false
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@Input()
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set avatarUrl(url: string | undefined) {
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if (url) {
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this.downloadImage(url)
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}
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}
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@Output() upload = new EventEmitter<string>()
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constructor(
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private readonly supabase: SupabaseService,
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private readonly dom: DomSanitizer
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) {}
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ngOnInit() {}
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async downloadImage(path: string) {
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try {
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const { data } = await this.supabase.downLoadImage(path)
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this._avatarUrl = this.dom.bypassSecurityTrustResourceUrl(
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URL.createObjectURL(data)
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)
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} catch (error) {
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console.error('Error downloading image: ', error.message)
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}
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}
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async uploadAvatar() {
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const loader = await this.supabase.createLoader()
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try {
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const photo = await Camera.getPhoto({
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resultType: CameraResultType.DataUrl,
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})
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const file = await fetch(photo.dataUrl)
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.then((res) => res.blob())
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.then(
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(blob) =>
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new File([blob], 'my-file', { type: `image/${photo.format}` })
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)
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const fileName = `${Math.random()}-${new Date().getTime()}.${
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photo.format
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}`
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await loader.present()
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await this.supabase.uploadAvatar(fileName, file)
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this.upload.emit(fileName)
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} catch (error) {
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this.supabase.createNotice(error.message)
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} finally {
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loader.dismiss()
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}
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}
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}
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```
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### Add the new widget
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And then we can add the widget on top of the **AccountComponent** html template:
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```ts title="src/app/account.component.ts"
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template: `
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<ion-header>
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<ion-toolbar>
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<ion-title>Account</ion-title>
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</ion-toolbar>
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</ion-header>
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<ion-content>
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<app-avatar
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[avatarUrl]="this.profile?.avatar_url"
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(upload)="updateProfile($event)"
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></app-avatar>
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<!-- input fields -->
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`
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```
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## Next steps
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At this stage you have a fully functional application!
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- Got a question? [Ask here](https://github.com/supabase/supabase/discussions).
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- Sign in: [app.supabase.com](https://app.supabase.com)
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