handle loading email settings

apps/web/src/app/auth/login/login.component.ts

@@ -108,6 +108,7 @@ export class LoginComponent extends BaseLoginComponent implements OnInit {
   async ngOnInit() {
     // eslint-disable-next-line rxjs-angular/prefer-takeuntil, rxjs/no-async-subscribe
     this.route.queryParams.pipe(first()).subscribe(async (qParams) => {
+      // If there is an query parameter called 'org', set previousUrl to `/create-organization?org=paramValue`
       if (qParams.org != null) {
         const route = this.router.createUrlTree(["create-organization"], {
           queryParams: { plan: qParams.org },
@@ -115,7 +116,11 @@ export class LoginComponent extends BaseLoginComponent implements OnInit {
         this.routerService.setPreviousUrl(route.toString());
       }
 
-      // Are they coming from an email for sponsoring a families organization
+      /**
+       * If there is a query parameter called 'sponsorshipToken', that means they are coming
+       * from an email for sponsoring a families organization. If so, then set the prevousUrl
+       * to `/setup/families-for-enterprise?token=paramValue`
+       */
       if (qParams.sponsorshipToken != null) {
         const route = this.router.createUrlTree(["setup/families-for-enterprise"], {
           queryParams: { token: qParams.sponsorshipToken },

libs/angular/src/auth/components/login.component.ts

@@ -103,12 +103,14 @@ export class LoginComponent extends CaptchaProtectedComponent implements OnInit,
 
       const queryParamsEmail = params.email;
 
+      // If there is an email in the query params, set that email as the form field value
       if (queryParamsEmail != null && queryParamsEmail.indexOf("@") > -1) {
         this.formGroup.controls.email.setValue(queryParamsEmail);
         this.paramEmailSet = true;
       }
     });
 
+    // if there is no email in the query params, attempt to load email settings from loginEmailService
     if (!this.paramEmailSet) {
       await this.loadEmailSettings();
     }

libs/auth/src/angular/login/login.component.html

@@ -1,5 +1,4 @@
 <form [bitSubmit]="submit" [formGroup]="formGroup">
-  <p>New Component</p>
   <!-------------------------
     UI STATE 1: Email Entry
   -------------------------->

libs/auth/src/angular/login/login.component.ts

@@ -2,9 +2,10 @@ import { CommonModule } from "@angular/common";
 import { Component, OnInit } from "@angular/core";
 import { FormBuilder, ReactiveFormsModule, Validators } from "@angular/forms";
 import { ActivatedRoute, RouterModule } from "@angular/router";
-import { Subject, takeUntil } from "rxjs";
+import { firstValueFrom, Subject, takeUntil } from "rxjs";
 
 import { JslibModule } from "@bitwarden/angular/jslib.module";
+import { LoginEmailServiceAbstraction } from "@bitwarden/auth/common";
 import {
   AsyncActionsModule,
   ButtonModule,
@@ -27,8 +28,6 @@ import {
   ],
 })
 export class LoginComponentV2 implements OnInit {
-  protected paramEmailSet = false;
-
   protected formGroup = this.formBuilder.group({
     email: ["", [Validators.required, Validators.email]],
     rememberEmail: [false],
@@ -39,9 +38,12 @@ export class LoginComponentV2 implements OnInit {
   constructor(
     private activatedRoute: ActivatedRoute,
     private formBuilder: FormBuilder,
+    private loginEmailService: LoginEmailServiceAbstraction,
   ) {}
 
   async ngOnInit(): Promise<void> {
+    let paramEmailIsSet = false;
+
     this.activatedRoute.queryParams.pipe(takeUntil(this.destroy$)).subscribe((params) => {
       if (!params) {
         return;
@@ -51,12 +53,11 @@ export class LoginComponentV2 implements OnInit {
 
       if (qParamsEmail?.indexOf("@") > -1) {
         this.formGroup.controls.email.setValue(qParamsEmail);
-
+        paramEmailIsSet = true;
-        this.paramEmailSet = true;
       }
     });
 
-    if (!this.paramEmailSet) {
+    if (!paramEmailIsSet) {
       await this.loadEmailSettings();
     }
   }
@@ -65,5 +66,22 @@ export class LoginComponentV2 implements OnInit {
 
   async validateEmail() {}
 
-  private async loadEmailSettings() {}
+  private async loadEmailSettings() {
+    // Try to load the email from memory first
+    const email = this.loginEmailService.getEmail();
+    const rememberEmail = this.loginEmailService.getRememberEmail();
+
+    if (email) {
+      this.formGroup.controls.email.setValue(email);
+      this.formGroup.controls.rememberEmail.setValue(rememberEmail);
+    } else {
+      // If there is no email in memory, check for a storedEmail on disk
+      const storedEmail = await firstValueFrom(this.loginEmailService.storedEmail$);
+
+      if (storedEmail) {
+        this.formGroup.controls.email.setValue(storedEmail);
+        this.formGroup.controls.rememberEmail.setValue(true); // If there is a storedEmail, rememberEmail defaults to true
+      }
+    }
+  }
 }