feat(backend): #28 templates email validation compte (Handlebars)

- Templates .hbs parent principal, co-parent, AM + lien create-password
- app_name / app_url / expéditeur via ConfigService (sendEmail)
- validateUser: renouvelle token création MDP + envoi email si sans password
- Dist: assets *.hbs (nest-cli)
- Tests unitaires MailService (mock sendEmail)
- Doc liste tickets #28 terminé

Made-with: Cursor

backend/src/routes/user/user.module.ts

@@ -11,6 +11,7 @@ import { AssistantesMaternellesModule } from '../assistantes_maternelles/assista
 import { Parents } from 'src/entities/parents.entity';
 import { GestionnairesModule } from './gestionnaires/gestionnaires.module';
 import { MailModule } from 'src/modules/mail/mail.module';
+import { AppConfigModule } from 'src/modules/config/config.module';
 
 @Module({
   imports: [TypeOrmModule.forFeature(
@@ -24,6 +25,7 @@ import { MailModule } from 'src/modules/mail/mail.module';
     AssistantesMaternellesModule,
     GestionnairesModule,
     MailModule,
+    AppConfigModule,
   ],
   controllers: [UserController],
   providers: [UserService],

backend/src/routes/user/user.service.ts

@@ -9,7 +9,8 @@ import * as bcrypt from 'bcrypt';
 import { StatutValidationType, Validation } from "src/entities/validations.entity";
 import { Parents } from "src/entities/parents.entity";
 import { AssistanteMaternelle } from "src/entities/assistantes_maternelles.entity";
-import { MailService } from "src/modules/mail/mail.service";
+import { MailService, ValidationAccountEmailKind } from "src/modules/mail/mail.service";
+import { AppConfigService } from "src/modules/config/config.service";
 import * as crypto from 'crypto';
 
 @Injectable()
@@ -30,6 +31,8 @@ export class UserService {
         private readonly assistantesRepository: Repository<AssistanteMaternelle>,
 
         private readonly mailService: MailService,
+
+        private readonly appConfigService: AppConfigService,
     ) { }
 
     async createUser(dto: CreateUserDto, currentUser?: Users): Promise<Users> {
@@ -265,6 +268,57 @@ export class UserService {
             comment,
         });
         await this.validationRepository.save(validation);
+
+        // Ticket #28 — email création MDP (parents / AM), Handlebars + lien app_url
+        const roleCibleMdp =
+            savedUser.role === RoleType.PARENT || savedUser.role === RoleType.ASSISTANTE_MATERNELLE;
+        if (roleCibleMdp && !savedUser.password) {
+            try {
+                const joursExpiration = await this.appConfigService.get<number>(
+                    'password_reset_token_expiry_days',
+                    7,
+                );
+                if (!savedUser.token_creation_mdp) {
+                    savedUser.token_creation_mdp = crypto.randomUUID();
+                }
+                const exp = new Date();
+                exp.setDate(exp.getDate() + joursExpiration);
+                savedUser.token_creation_mdp_expire_le = exp;
+                await this.usersRepository.save(savedUser);
+
+                let kind: ValidationAccountEmailKind = 'am';
+                if (savedUser.role === RoleType.ASSISTANTE_MATERNELLE) {
+                    kind = 'am';
+                } else if (savedUser.numero_dossier) {
+                    const parentsDossier = await this.usersRepository.find({
+                        where: { numero_dossier: savedUser.numero_dossier, role: RoleType.PARENT },
+                        order: { cree_le: 'ASC' },
+                    });
+                    const premier = parentsDossier[0];
+                    kind =
+                        premier && premier.id !== savedUser.id ? 'parent_coparent' : 'parent_primary';
+                } else {
+                    kind = 'parent_primary';
+                }
+
+                await this.mailService.sendValidatedAccountPasswordSetupEmail(
+                    {
+                        email: savedUser.email,
+                        prenom: savedUser.prenom ?? '',
+                        nom: savedUser.nom ?? '',
+                        token: savedUser.token_creation_mdp,
+                        numeroDossier: savedUser.numero_dossier,
+                    },
+                    kind,
+                );
+            } catch (err) {
+                this.logger.warn(
+                    `Envoi email validation compte (#28) échoué pour ${savedUser.email}`,
+                    err as Error,
+                );
+            }
+        }
+
         return savedUser;
     }