Add submit button component and style it.

frontend/src/app/pages/login/login.component.scss

@@ -43,6 +43,20 @@
                     color: #3f51b5;
                     text-decoration: none;
                 }
+
+                button, a.button {
+                    padding: .8em 1.2em;
+                    border-radius: 10em;
+                    border: none;
+                    background-color: #3f51b5;
+                    color: white;
+                    transition: background-color .2s ease-in-out;
+                
+                    &:hover {
+                        background-color: #5b6ed8;
+                        cursor: pointer;
+                    }
+                }
             }
 
             label {

frontend/src/app/pages/login/login.component.ts

@@ -36,7 +36,7 @@ export class LoginComponent implements OnInit, OnDestroy {
 
     const passwordSubscription = this.loginForm.controls['password'].valueChanges
       .pipe(
-        debounceTime(300),
+        debounceTime(100),
         map(value => value?.length ? value as string : '')
       )
       .subscribe(password => {

frontend/src/app/pages/publication-edition/publication-edition.component.html

@@ -42,9 +42,7 @@
             </mat-tab-group>
             
             <footer>
-                <button type="submit">
-                    Save
-                </button>
+                <app-submit-button label="Save" [requestPending]="(isSaving$ | async) == true"></app-submit-button>
                 <button type="button" class="secondary" (click)="goPreviousLocation()">
                     Cancel
                 </button>

frontend/src/app/pages/publication-edition/publication-edition.component.scss

@@ -118,4 +118,8 @@
             }
         }
     }
+}
+
+:host ::ng-deep .test circle { 
+    stroke: white;
 }

frontend/src/app/pages/publication-edition/publication-edition.component.ts

@@ -2,7 +2,7 @@ import { CommonModule, Location } from '@angular/common';
 import { Component, inject, OnDestroy, OnInit } from '@angular/core';
 import { FormBuilder, FormControl, FormGroup, ReactiveFormsModule, Validators } from '@angular/forms';
 import { MatInputModule } from '@angular/material/input';
-import { MatProgressSpinner } from '@angular/material/progress-spinner';
+import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
 import { MatTabsModule } from '@angular/material/tabs';
 import { debounceTime, map, Observable, Subscription } from 'rxjs';
 import { Publication } from '../../core/rest-services/publications/model/publication';
@@ -10,11 +10,22 @@ import { PublicationEditionService } from './publication-edition.service';
 import {MatDialogModule} from '@angular/material/dialog'; 
 import { PictureSelectionDialog } from './picture-selection-dialog/picture-selection-dialog.component';
 import { MatTooltipModule } from '@angular/material/tooltip';
+import { SubmitButtonComponent } from '../../components/submit-button/submit-button.component';
 
 @Component({
   selector: 'app-publication-edition',
   standalone: true,
-  imports: [ReactiveFormsModule, MatInputModule, MatProgressSpinner, MatTabsModule, MatDialogModule, CommonModule, PictureSelectionDialog, MatTooltipModule],
+  imports: [
+    CommonModule,
+    MatDialogModule,
+    MatInputModule,
+    MatProgressSpinnerModule,
+    MatTabsModule,
+    MatTooltipModule,
+    PictureSelectionDialog,
+    ReactiveFormsModule,
+    SubmitButtonComponent
+  ],
   templateUrl: './publication-edition.component.html',
   styleUrl: './publication-edition.component.scss',
   providers: [PublicationEditionService]
@@ -38,6 +49,10 @@ export class PublicationEditionComponent implements OnInit, OnDestroy {
     return this.publicationEditionService.isLoading$;
   }
 
+  get isSaving$(): Observable<boolean> {
+    return this.publicationEditionService.isSaving$;
+  }
+
   ngOnInit(): void {
     ['title', 'description', 'text'].forEach(fieldName => {
       const fieldSubscription = this.publicationEditionForm.controls[fieldName].valueChanges
@@ -86,7 +101,7 @@ export class PublicationEditionComponent implements OnInit, OnDestroy {
   }
 
   save(): void {
-
+    this.publicationEditionService.save();
   }
 
   displayPictureSectionDialog(): void {

frontend/src/app/pages/publication-edition/publication-edition.service.ts

@@ -1,8 +1,8 @@
 import { Location } from "@angular/common";
 import { inject, Injectable, OnDestroy } from "@angular/core";
 import { MatSnackBar } from "@angular/material/snack-bar";
-import { ActivatedRoute } from "@angular/router";
-import { BehaviorSubject, Observable, Subscription } from "rxjs";
+import { ActivatedRoute, Router } from "@angular/router";
+import { BehaviorSubject, Observable, Subscription, timeout } from "rxjs";
 import { Publication } from "../../core/rest-services/publications/model/publication";
 import { PublicationRestService } from "../../core/rest-services/publications/publication.rest-service";
 import { copy } from '../../core/utils/ObjectUtils';
@@ -32,12 +32,14 @@ export class PublicationEditionService implements OnDestroy {
     private readonly activatedRoute = inject(ActivatedRoute);
     private readonly publicationRestService = inject(PublicationRestService);
     private readonly location = inject(Location);
+    private readonly router = inject(Router);
     private readonly snackBar = inject(MatSnackBar);
     private readonly dialog = inject(MatDialog);
 
     private isLoadingSubject = new BehaviorSubject<boolean>(false);
     private publicationSubject = new BehaviorSubject<Publication>(copy(DEFAULT_PUBLICATION));
     private subscriptions: Subscription[] = [];
+    private isSavingSubject = new BehaviorSubject<boolean>(false);
 
     ngOnDestroy(): void {
         this.subscriptions.forEach(subscription => subscription.unsubscribe());
@@ -55,6 +57,10 @@ export class PublicationEditionService implements OnDestroy {
         return this.isLoadingSubject.asObservable();
     }
 
+    get isSaving$(): Observable<boolean> {
+        return this.isSavingSubject.asObservable();
+    }
+
     get publication$(): Observable<Publication> {
         return this.publicationSubject.asObservable();
     }
@@ -117,4 +123,22 @@ export class PublicationEditionService implements OnDestroy {
             });
         this.subscriptions.push(afterDialogCloseSubscription);
     }
+
+    save(): void {
+        const publication = this._publication;
+
+        this.isSavingSubject.next(true);
+        setTimeout(() => this.isSavingSubject.next(false), 1500);
+        // this.publicationRestService.update(publication)
+        //     .then(() => {
+        //         this.snackBar.open('Publication updated succesfully!', 'Close', { duration: 5000 });
+        //         this.router.navigate(['/home']);
+        //     })
+        //     .catch(error => {
+        //         const errorMessage = 'An error occured while saving publication modifications.';
+        //         console.error(errorMessage, error);
+        //         this.snackBar.open(errorMessage, 'Close', { duration: 5000 });
+        //     })
+        //     .finally(() => this.isSavingSubject.next(false));
+    }
 }