Files
petitspas/backend/src/routes/suppressions/suppression.service.ts
T
jmartin d6d8b299dd feat(#159/#160): suppressions métier dashboard — API + UI (squash develop).
Matrice PO #154 : supprimer dossiers famille/AM, parents, enfants et comptes
staff avec règles métier (placements clôturés, sans_enfant, cascade foyer,
droits gestionnaire/admin). Poubelle en liste, dialogues de confirmation,
garde-fou gestionnaire→gestionnaire. Inclut polish hauteur modale fiche AM.
2026-09-10 22:43:33 +02:00

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import {
BadRequestException,
ForbiddenException,
Injectable,
NotFoundException,
} from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { DataSource, In, IsNull, Repository } from 'typeorm';
import { RoleType, Users } from 'src/entities/users.entity';
import { Parents } from 'src/entities/parents.entity';
import { AssistanteMaternelle } from 'src/entities/assistantes_maternelles.entity';
import { Children, StatutEnfantType } from 'src/entities/children.entity';
import { ParentsChildren } from 'src/entities/parents_children.entity';
import { AmChildren } from 'src/entities/am_children.entity';
export type SuppressionResult = {
type?: 'famille' | 'assistante_maternelle';
numero_dossier?: string;
deleted_user_ids: string[];
deleted_enfant_ids: string[];
dossier_supprime?: boolean;
message: string;
};
const STAFF_METIER: RoleType[] = [
RoleType.GESTIONNAIRE,
RoleType.ADMINISTRATEUR,
RoleType.SUPER_ADMIN,
];
/**
* Cascades de suppression métier — tickets #154 / #159.
*/
@Injectable()
export class SuppressionService {
constructor(
private readonly dataSource: DataSource,
@InjectRepository(Users)
private readonly usersRepository: Repository<Users>,
@InjectRepository(Parents)
private readonly parentsRepository: Repository<Parents>,
@InjectRepository(AssistanteMaternelle)
private readonly amRepository: Repository<AssistanteMaternelle>,
@InjectRepository(Children)
private readonly childrenRepository: Repository<Children>,
@InjectRepository(ParentsChildren)
private readonly parentsChildrenRepository: Repository<ParentsChildren>,
@InjectRepository(AmChildren)
private readonly amChildrenRepository: Repository<AmChildren>,
) {}
assertStaffMetier(currentUser: Users): void {
if (!STAFF_METIER.includes(currentUser.role)) {
throw new ForbiddenException('Accès refusé');
}
}
async deleteDossier(
numeroDossier: string,
currentUser: Users,
): Promise<SuppressionResult> {
this.assertStaffMetier(currentUser);
const num = numeroDossier?.trim();
if (!num) {
throw new BadRequestException('Numéro de dossier requis.');
}
const parentHit = await this.parentsRepository.findOne({
where: { numero_dossier: num },
});
if (parentHit) {
return this.deleteFamilleByNumero(num);
}
const amHit = await this.amRepository.findOne({
where: { numero_dossier: num },
relations: ['user'],
});
if (amHit?.user) {
return this.deleteAmUser(amHit.user.id);
}
throw new NotFoundException('Aucun dossier trouvé pour ce numéro.');
}
async deleteUser(
id: string,
currentUser: Users,
): Promise<SuppressionResult> {
const target = await this.usersRepository.findOne({ where: { id } });
if (!target) {
throw new NotFoundException('Utilisateur introuvable');
}
if (target.id === currentUser.id) {
throw new ForbiddenException('Vous ne pouvez pas supprimer votre propre compte.');
}
if (target.role === RoleType.SUPER_ADMIN) {
throw new ForbiddenException('Le super administrateur ne peut pas être supprimé.');
}
if (target.role === RoleType.PARENT) {
this.assertStaffMetier(currentUser);
return this.deleteParentUser(target.id);
}
if (target.role === RoleType.ASSISTANTE_MATERNELLE) {
this.assertStaffMetier(currentUser);
return this.deleteAmUser(target.id);
}
if (target.role === RoleType.GESTIONNAIRE) {
if (
currentUser.role !== RoleType.ADMINISTRATEUR &&
currentUser.role !== RoleType.SUPER_ADMIN
) {
throw new ForbiddenException(
'Seul un administrateur peut supprimer un gestionnaire.',
);
}
await this.usersRepository.delete(target.id);
return {
deleted_user_ids: [target.id],
deleted_enfant_ids: [],
message: 'Gestionnaire supprimé.',
};
}
if (target.role === RoleType.ADMINISTRATEUR) {
await this.assertCanDeleteAdministrateur(target, currentUser);
await this.usersRepository.delete(target.id);
return {
deleted_user_ids: [target.id],
deleted_enfant_ids: [],
message: 'Administrateur supprimé.',
};
}
throw new BadRequestException('Type dutilisateur non supprimable via cet endpoint.');
}
async deleteEnfant(
enfantId: string,
deleteDossier: boolean,
currentUser: Users,
): Promise<SuppressionResult> {
this.assertStaffMetier(currentUser);
const child = await this.childrenRepository.findOne({
where: { id: enfantId },
relations: ['parentLinks', 'parentLinks.parent'],
});
if (!child) {
throw new NotFoundException('Enfant introuvable');
}
const parentIds = (child.parentLinks ?? [])
.map((l) => l.parentId ?? l.parent?.user_id)
.filter(Boolean) as string[];
let numero: string | undefined;
if (parentIds.length > 0) {
const parents = await this.parentsRepository.find({
where: { user_id: In(parentIds) },
});
numero = parents.map((p) => p.numero_dossier?.trim()).find((n) => !!n);
}
if (!numero) {
await this.closePlacementsForEnfants([enfantId]);
await this.childrenRepository.delete(enfantId);
return {
deleted_user_ids: [],
deleted_enfant_ids: [enfantId],
dossier_supprime: false,
message: 'Enfant supprimé.',
};
}
const siblingIds = await this.listEnfantIdsForNumero(numero);
const isLast = siblingIds.length <= 1;
if (isLast && deleteDossier) {
const result = await this.deleteFamilleByNumero(numero);
return {
...result,
dossier_supprime: true,
message: 'Dernier enfant et dossier famille supprimés.',
};
}
await this.closePlacementsForEnfants([enfantId]);
await this.childrenRepository.delete(enfantId);
return {
deleted_user_ids: [],
deleted_enfant_ids: [enfantId],
dossier_supprime: false,
numero_dossier: numero,
type: 'famille',
message: isLast
? 'Dernier enfant supprimé. Le dossier famille reste sans enfant.'
: 'Enfant supprimé du dossier famille.',
};
}
/** Compte enfants liés à un numero_dossier famille (pour flag sans_enfant). */
async countEnfantsForNumero(numeroDossier: string): Promise<number> {
const ids = await this.listEnfantIdsForNumero(numeroDossier);
return ids.length;
}
private async assertCanDeleteAdministrateur(
target: Users,
currentUser: Users,
): Promise<void> {
if (
currentUser.role !== RoleType.ADMINISTRATEUR &&
currentUser.role !== RoleType.SUPER_ADMIN
) {
throw new ForbiddenException(
'Seul un administrateur peut supprimer un administrateur.',
);
}
const adminCount = await this.usersRepository.count({
where: { role: RoleType.ADMINISTRATEUR },
});
if (adminCount <= 1) {
if (currentUser.role !== RoleType.SUPER_ADMIN) {
throw new ForbiddenException(
'Seul le super administrateur peut supprimer le dernier administrateur.',
);
}
}
}
private async deleteParentUser(userId: string): Promise<SuppressionResult> {
const parent = await this.parentsRepository.findOne({
where: { user_id: userId },
relations: ['co_parent'],
});
if (!parent) {
// Compte parent sans fiche — hard delete user
await this.usersRepository.delete(userId);
return {
deleted_user_ids: [userId],
deleted_enfant_ids: [],
message: 'Parent supprimé.',
};
}
const numero = parent.numero_dossier?.trim();
const foyerIds = numero
? await this.listParentUserIdsForNumero(numero)
: [userId];
const isLast = foyerIds.filter((id) => id !== userId).length === 0;
if (!isLast) {
// Co-parent : retirer liens enfants de ce parent, clear co_parent refs, delete user
await this.dataSource.transaction(async (manager) => {
await manager.delete(ParentsChildren, { parentId: userId });
await manager.query(
`UPDATE parents SET id_co_parent = NULL WHERE id_co_parent = $1 OR id_utilisateur = $1`,
[userId],
);
await manager.delete(Users, { id: userId });
});
return {
deleted_user_ids: [userId],
deleted_enfant_ids: [],
numero_dossier: numero,
type: 'famille',
message: 'Parent retiré du dossier (co-parent).',
};
}
// Dernier parent : + enfants
const enfantIds = numero
? await this.listEnfantIdsForNumero(numero)
: await this.listEnfantIdsForParent(userId);
await this.closePlacementsForEnfants(enfantIds);
await this.dataSource.transaction(async (manager) => {
if (enfantIds.length) {
await manager.delete(Children, { id: In(enfantIds) });
}
await manager.query(
`UPDATE parents SET id_co_parent = NULL WHERE id_utilisateur = $1 OR id_co_parent = $1`,
[userId],
);
await manager.delete(Users, { id: userId });
});
return {
deleted_user_ids: [userId],
deleted_enfant_ids: enfantIds,
numero_dossier: numero,
type: 'famille',
message: 'Dernier parent et enfants rattachés supprimés.',
};
}
private async deleteFamilleByNumero(numero: string): Promise<SuppressionResult> {
const parentIds = await this.listParentUserIdsForNumero(numero);
if (parentIds.length === 0) {
throw new NotFoundException('Aucun parent pour ce dossier.');
}
const enfantIds = await this.listEnfantIdsForNumero(numero);
await this.closePlacementsForEnfants(enfantIds);
await this.dataSource.transaction(async (manager) => {
if (enfantIds.length) {
await manager.delete(Children, { id: In(enfantIds) });
}
await manager.query(
`UPDATE parents SET id_co_parent = NULL WHERE id_utilisateur = ANY($1::uuid[]) OR id_co_parent = ANY($1::uuid[])`,
[parentIds],
);
await manager.delete(Users, { id: In(parentIds) });
});
return {
type: 'famille',
numero_dossier: numero,
deleted_user_ids: parentIds,
deleted_enfant_ids: enfantIds,
message: 'Dossier famille supprimé.',
};
}
private async deleteAmUser(userId: string): Promise<SuppressionResult> {
const am = await this.amRepository.findOne({ where: { user_id: userId } });
const numero = am?.numero_dossier?.trim();
const active = await this.amChildrenRepository.find({
where: { amId: userId, date_fin: IsNull() },
relations: ['child'],
});
const now = new Date();
for (const link of active) {
link.date_fin = now;
await this.amChildrenRepository.save(link);
if (link.child) {
await this.applySansGarde(link.child);
}
}
await this.usersRepository.delete(userId);
return {
type: 'assistante_maternelle',
numero_dossier: numero,
deleted_user_ids: [userId],
deleted_enfant_ids: [],
message: 'Dossier assistante maternelle supprimé.',
};
}
private async applySansGarde(child: Children): Promise<void> {
if (
child.status === StatutEnfantType.A_NAITRE ||
child.status === StatutEnfantType.SCOLARISE
) {
return;
}
const remaining = await this.amChildrenRepository.count({
where: { enfantId: child.id, date_fin: IsNull() },
});
if (remaining === 0) {
child.status = StatutEnfantType.SANS_GARDE;
await this.childrenRepository.save(child);
}
}
private async closePlacementsForEnfants(enfantIds: string[]): Promise<void> {
if (!enfantIds.length) return;
const links = await this.amChildrenRepository.find({
where: { enfantId: In(enfantIds), date_fin: IsNull() },
relations: ['child'],
});
const now = new Date();
for (const link of links) {
link.date_fin = now;
await this.amChildrenRepository.save(link);
if (link.child) {
await this.applySansGarde(link.child);
}
}
}
private async listParentUserIdsForNumero(numero: string): Promise<string[]> {
const rows: Array<{ id: string }> = await this.parentsRepository.query(
`
SELECT DISTINCT x.id::text AS id FROM (
SELECT id_utilisateur AS id FROM parents WHERE TRIM(numero_dossier) = $1
UNION
SELECT id_co_parent AS id FROM parents
WHERE TRIM(numero_dossier) = $1 AND id_co_parent IS NOT NULL
UNION
SELECT p2.id_utilisateur AS id FROM parents p1
JOIN parents p2 ON p2.id_utilisateur = p1.id_co_parent
WHERE TRIM(p1.numero_dossier) = $1
) x WHERE x.id IS NOT NULL
`,
[numero],
);
return rows.map((r) => r.id);
}
private async listEnfantIdsForNumero(numero: string): Promise<string[]> {
const parentIds = await this.listParentUserIdsForNumero(numero);
if (!parentIds.length) return [];
return this.listEnfantIdsForParents(parentIds);
}
private async listEnfantIdsForParent(parentId: string): Promise<string[]> {
return this.listEnfantIdsForParents([parentId]);
}
private async listEnfantIdsForParents(parentIds: string[]): Promise<string[]> {
const links = await this.parentsChildrenRepository.find({
where: { parentId: In(parentIds) },
});
return [...new Set(links.map((l) => l.enfantId))];
}
}