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import { Injectable } from '@angular/core'; |
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import { Cacheable } from 'ngx-cacheable'; |
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import { from, Observable } from 'rxjs'; |
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import { UserModel } from '..'; |
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import { FirebaseStorage } from './firebase-storage'; |
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import { IStorageProvider } from './i-storage-provider'; |
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import { IStorageProviderOptions } from './i-storage-provider-options'; |
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import { InMemoryStorage } from './in-memory-storage.service'; |
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10
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@Injectable({ |
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providedIn: 'root', |
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}) |
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export class StorageProvider<User extends UserModel = UserModel> { |
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options: IStorageProviderOptions = { |
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userTable: 'users', |
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storage: false, |
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} |
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public constructor( |
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private firebaseStorage: FirebaseStorage<User>, |
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private inMemoryStorage: InMemoryStorage |
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) { |
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} |
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/** |
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* Get user from cache if possible or from a storage |
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*/ |
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@Cacheable() |
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public getUser(): Observable<User | unknown | null> { |
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const storageProvider = this.getProvider(); |
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32
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if (storageProvider !== null) { |
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return from(storageProvider.fetchUser()); |
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} |
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throw new Error('No storage provider found.'); |
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} |
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public getProvider() { |
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return this.getProviderById(this.options.storage); |
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} |
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protected getProviderById( |
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providerId: false | 'firestore', |
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): IStorageProvider<User> { |
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let provider; |
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switch (providerId) { |
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case 'firestore': |
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provider = this.firebaseStorage; |
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provider.options.userTable = this.options.userTable; |
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break; |
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case false: |
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provider = this.inMemoryStorage; |
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break; |
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} |
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57
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if (provider !== undefined) { |
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return provider; |
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} |
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61
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throw new Error(`Provider ${providerId} not supported.`); |
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} |
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} |
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cothema /
ionic-universal-firebase-login
