cothema / ionic-universal-firebase-login

import { Injectable } from "@angular/core";

import { UniFirebaseLoginConfig } from "../config/uni-firebase-login-config";

import { UniFirebaseLoginConfigProvider } from "../config/uni-firebase-login-config-provider";

import { UserModel } from "../model/user-model";

import { FirestoreStorage } from "./firestore-storage";

import { IStorageProvider } from "./i-storage-provider";

import { NoMemoryStorage } from "./no-memory-storage.service";

@Injectable({

  providedIn: "root",

})

export class AuthStorageProvider<User extends UserModel = UserModel> {

  protected config: UniFirebaseLoginConfig;

  public constructor(

    protected firestoreStorage: FirestoreStorage<User>,

    protected inMemoryStorage: NoMemoryStorage<User>,

    configProvider: UniFirebaseLoginConfigProvider,

  ) {

    this.config = configProvider.config;

  }

  public getProvider(): IStorageProvider<User> {

    return this.getProviderById(this.config.storage);

  }

  protected getProviderById(

    providerId: false | "firestore",

  ): IStorageProvider<User> {

    let provider;

    switch (providerId) {

      case "firestore":

        provider = this.firestoreStorage;

        break;

      case false:

        provider = this.inMemoryStorage;

        break;

    }

    if (provider !== undefined) {

      return provider;

    }

    throw new Error(`Provider ${providerId} not supported.`);

  }

}