fix: validate tenant and lease contact details

frontend/src/app/components/tenants-page/tenants-page.ts

@@ -3,6 +3,7 @@ import { FormsModule } from '@angular/forms';
 import { MatButtonModule } from '@angular/material/button';
 import { MatFormFieldModule } from '@angular/material/form-field';
 import { MatInputModule } from '@angular/material/input';
+import { isValidEmail, isValidPhone } from '../../shared/contact-validation';
 import { Tenant, TenantAttachment } from '../../services/tenant.service';
 
 export interface TenantSaveRequest {
@@ -23,6 +24,7 @@ export interface TenantAttachmentRequest {
 })
 export class TenantsPage {
   readonly tenants = input.required<Tenant[]>();
+  readonly attachmentError = input('');
   readonly tenantSaved = output<TenantSaveRequest>();
   readonly deleteRequested = output<string>();
   readonly attachmentUploadRequested = output<{ tenantId: string; file: File }>();
@@ -36,6 +38,7 @@ export class TenantsPage {
   readonly phone = signal('');
   readonly address = signal('');
   readonly error = signal('');
+  readonly attachmentUploadError = signal('');
 
   constructor() {
     effect(() => this.fillForm(this.editingTenant()));
@@ -62,6 +65,14 @@ export class TenantsPage {
       this.error.set('Le prénom, le nom et l’e-mail sont obligatoires.');
       return;
     }
+    if (!isValidEmail(this.email())) {
+      this.error.set('Saisissez une adresse e-mail valide.');
+      return;
+    }
+    if (!isValidPhone(this.phone())) {
+      this.error.set('Saisissez un numéro français ou international valide.');
+      return;
+    }
     this.tenantSaved.emit({
       tenant: {
         firstName: this.firstName().trim(),
@@ -77,7 +88,10 @@ export class TenantsPage {
 
   selectFile(tenant: Tenant, event: Event): void {
     const file = (event.target as HTMLInputElement).files?.item(0);
-    if (tenant.id && file) {
+    if (file && file.size > 250 * 1024 * 1024) {
+      this.attachmentUploadError.set('Une pièce jointe ne peut pas dépasser 250 Mo.');
+    } else if (tenant.id && file) {
+      this.attachmentUploadError.set('');
       this.attachmentUploadRequested.emit({ tenantId: tenant.id, file });
     }
     (event.target as HTMLInputElement).value = '';