Implementation of Better Error Handling on SignUp

src/app/header/header-popup/error-box/error-box.component.css

@@ -1,6 +1,6 @@
 .error-box {
     background-color: #ff00001a;
-    min-width: 250px;
+    max-width: 320px;
     display: flex;
     border-radius: 5px;
     padding: 25px;

src/app/header/header-popup/login/login.component.html

@@ -1,8 +1,8 @@
-<app-popup [state]="popupState"
+<app-popup [state]="state"
     (stateChange)="onStateChange($event)"
     [ignoreClickOutside]="ignoreClickOutside">
 
-    <div class="container overflow-hidden"
+    <div class="container m-0 overflow-hidden"
          [@resizeContainerForErrorMessage]="hideErrorMessage()">
 
         <app-error-box [errorMessage]="errorMessage"

src/app/header/header-popup/login/login.component.ts

@@ -3,7 +3,7 @@ import { FormControl, FormGroup, Validators } from '@angular/forms';
 import { MatIconRegistry } from '@angular/material/icon';
 import { DomSanitizer } from '@angular/platform-browser';
 import { faLock, faUser } from '@fortawesome/free-solid-svg-icons';
-import {Subscription, timeout} from 'rxjs';
+import {Subscription} from 'rxjs';
 import { AuthService } from 'src/app/shared/auth/auth.service';
 import { HttpError } from 'src/app/shared/model/httpError/httpError.model';
 import HttpErrorChecker from 'src/app/shared/model/httpError/httpErrorChecker';
@@ -24,7 +24,7 @@ const GITHUB_LOGO_SVG = "assets/img/providers/github.svg";
             state('hide',
                 style({
                     height: '100px',
-                    width: '370px',
+                    width: '320px',
                 })
             ),
             transition(
@@ -44,7 +44,7 @@ const GITHUB_LOGO_SVG = "assets/img/providers/github.svg";
                 style({
                     opacity: 1,
                     height: '100px',
-                    width: '340px',
+                    width: '320px',
                 })
             ),
             state('hide',
@@ -94,8 +94,6 @@ export class LoginComponent implements OnInit, AfterViewInit, OnDestroy {
     @Output()
         stateChange = new EventEmitter<boolean>();
 
-    popupState = false;
-
     loginForm!: FormGroup;
 
     authSubject!: Subscription;
@@ -137,7 +135,6 @@ export class LoginComponent implements OnInit, AfterViewInit, OnDestroy {
     }
 
     ngAfterViewInit(): void {
-        this.popupState = this.state;
         this.changeDetectorRef.detectChanges();
     }
 
@@ -175,7 +172,7 @@ export class LoginComponent implements OnInit, AfterViewInit, OnDestroy {
     }
 
     private closePopup() {
-        this.popupState = false;
+        this.state = false;
         this.loginForm.reset();
     }
 

src/app/header/header-popup/signup/signup.component.html

@@ -1,8 +1,18 @@
 <app-popup [state]="state"
     (stateChange)="onStateChange($event)"
     [ignoreClickOutside]="ignoreClickOutside">
-    {{errorMessage}}
+
-    <div class="container authentication-container">
+
+    <div class="container m-0 overflow-hidden"
+         [@resizeContainerForErrorMessage]="hideErrorMessage()">
+
+        <app-error-box [errorMessage]="errorMessage"
+                       [@showErrorMessage]="showErrorMessage()">
+        </app-error-box>
+
+        <div class="container authentication-container"
+             [@hideAuthContainer]="hideErrorMessage()"
+             (@hideAuthContainer.done)="hideAuthContainer($event)">
             <div class="row">
                 <div class="col-lg-6 auth-body auth-body-form">
                     <form [formGroup]="signupForm" (ngSubmit)="onSignUp()">
@@ -70,4 +80,6 @@
             </div>
         </div>
 
+    </div>
+
 </app-popup>

src/app/header/header-popup/signup/signup.component.ts

@@ -9,6 +9,7 @@ import { HttpError } from 'src/app/shared/model/httpError/httpError.model';
 import HttpErrorChecker from 'src/app/shared/model/httpError/httpErrorChecker';
 import UserChecker from 'src/app/shared/model/user/user.checker';
 import { User } from 'src/app/shared/model/user/user.model';
+import {animate, animateChild, group, query, state, style, transition, trigger} from "@angular/animations";
 
 
 const GOOGLE_LOGO_SVG = "assets/img/providers/google.svg";
@@ -17,7 +18,70 @@ const GITHUB_LOGO_SVG = "assets/img/providers/github.svg";
 @Component({
     selector: 'app-signup',
     templateUrl: './signup.component.html',
-    styleUrls: ['./signup.component.css']
+    styleUrls: ['./signup.component.css'],
+    animations: [
+        trigger('resizeContainerForErrorMessage', [
+            state('hide',
+                style({
+                    height: '100px',
+                    width: '320px',
+                })
+            ),
+            transition(
+                'show => hide',
+                group([
+                    query(
+                        "@*",
+                        animateChild(),
+                        { optional: true }
+                    ),
+                    animate('1s ease')
+                ])
+            )
+        ]),
+        trigger('showErrorMessage', [
+            state('show',
+                style({
+                    opacity: 1,
+                    height: '100px',
+                    width: '320px',
+                })
+            ),
+            state('hide',
+                style({
+                    opacity: 0,
+                    height: '0px',
+                    width: '0px',
+                })
+            ),
+            transition(
+                '* => show',
+                animate(
+                    '500ms ease-in'
+                )
+            ),
+        ]),
+        trigger('hideAuthContainer', [
+            state('hide',
+                style({
+                    opacity: 0,
+                })
+            ),
+            transition(
+                'show => hide',
+                group([
+                    query(
+                        "@*",
+                        animateChild(),
+                        { optional: true }
+                    ),
+                    animate(
+                        '250ms ease-out'
+                    )
+                ])
+            )
+        ]),
+    ]
 })
 export class SignupComponent implements OnInit {
 
@@ -36,6 +100,8 @@ export class SignupComponent implements OnInit {
 
     errorMessage!: string | null;
 
+    isShowErrorMessage = false;
+
     _fullnameIcon = faFingerprint;
 
     _emailIcon = faEnvelope;
@@ -110,5 +176,26 @@ export class SignupComponent implements OnInit {
         this.signupForm.reset();
     }
 
+    public showErrorMessage(): string {
+        if (this.isShowErrorMessage) {
+            return "show";
+        }
+        return "hide";
+    }
+
+    public hideErrorMessage(): string {
+        if (!!this.errorMessage) {
+            return "hide";
+        }
+        return "show";
+    }
+
+    hideAuthContainer(event: any) {
+        if (event.toState === "hide") {
+            event.element.style.display = "none";
+            this.isShowErrorMessage = true;
+        }
+    }
+
 
 }