F4: implement temporal inventory function changes
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@@ -0,0 +1,352 @@
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import {
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BadRequestException,
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ConflictException,
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Injectable,
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NotFoundException,
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} from '@nestjs/common';
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import { DataSource, EntityManager } from 'typeorm';
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import { administrationAuditContext } from '../administration/common/administration-audit';
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import { AuditService } from '../audit/audit.service';
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import type { AuthPrincipal, RequestWithContext } from '../common/http/request-context';
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import { AuditAction, AssetVersionChangeType } from '../database/entities';
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import { AssetHistoryService } from './asset-history.service';
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import type {
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ChangeInventoryFunctionDto,
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CreateInventoryFunctionDto,
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UpdateInventoryFunctionDto,
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} from './dto/inventory-function.dto';
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interface InventoryFunctionRow {
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id: string;
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code: string;
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name: string;
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description: string | null;
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isActive: boolean;
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sortOrder: number;
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createdAt: Date;
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updatedAt: Date;
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}
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interface FunctionAssignmentRow {
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id: string;
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assetId: string;
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functionId: string;
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functionCode: string;
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functionName: string;
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validFrom: Date;
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validUntil: Date | null;
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reason: string | null;
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changedBy: string | null;
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changedByUsername: string | null;
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createdAt: Date;
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}
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interface FunctionEligibleAsset {
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id: string;
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code: string;
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name: string;
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typeCode: string;
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typeName: string;
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familyCode: string | null;
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familyName: string | null;
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}
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function normalized(value: string | null): string {
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return (value ?? '')
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.normalize('NFD')
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.replace(/[\u0300-\u036f]/g, '')
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.toLowerCase()
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.replace(/[^a-z0-9]+/g, ' ')
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.trim();
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}
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@Injectable()
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export class InventoryFunctionService {
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constructor(
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private readonly dataSource: DataSource,
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private readonly audit: AuditService,
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private readonly history: AssetHistoryService,
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) {}
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async list(includeInactive = false): Promise<{ data: InventoryFunctionRow[] }> {
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const data = await this.dataSource.query(`
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SELECT id,code,name,description,is_active AS "isActive",sort_order AS "sortOrder",
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created_at AS "createdAt",updated_at AS "updatedAt"
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FROM inventory_functions
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${includeInactive ? '' : 'WHERE is_active=true'}
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ORDER BY sort_order,name,code
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`) as InventoryFunctionRow[];
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return { data };
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}
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async create(
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dto: CreateInventoryFunctionDto,
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principal: AuthPrincipal,
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request: RequestWithContext,
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): Promise<InventoryFunctionRow> {
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return this.dataSource.transaction(async (manager) => {
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const [duplicate] = await manager.query(
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'SELECT 1 FROM inventory_functions WHERE lower(code)=lower($1) LIMIT 1',
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[dto.code],
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) as unknown[];
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if (duplicate) {
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throw new ConflictException({
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code: 'INVENTORY_FUNCTION_CODE_EXISTS',
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message: 'Ya existe una función con ese código',
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});
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}
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const [created] = await manager.query(`
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INSERT INTO inventory_functions(code,name,description,is_active,sort_order,created_by,updated_by)
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VALUES($1,$2,$3,true,$4,$5,$5)
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RETURNING id,code,name,description,is_active AS "isActive",sort_order AS "sortOrder",
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created_at AS "createdAt",updated_at AS "updatedAt"
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`, [dto.code, dto.name, dto.description ?? null, dto.sortOrder ?? 0, principal.userId]) as InventoryFunctionRow[];
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await this.audit.record({
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...administrationAuditContext(principal, request),
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action: AuditAction.INVENTORY_FUNCTION_CREATED,
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entityType: 'inventory_function',
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entityId: created.id,
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afterData: created as unknown as Record<string, unknown>,
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}, manager);
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return created;
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});
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}
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async update(
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id: string,
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dto: UpdateInventoryFunctionDto,
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principal: AuthPrincipal,
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request: RequestWithContext,
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): Promise<InventoryFunctionRow> {
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if (Object.keys(dto).length === 0) {
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throw new BadRequestException({ code: 'NO_CHANGES', message: 'No se recibieron cambios' });
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}
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return this.dataSource.transaction(async (manager) => {
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const before = await this.requireFunction(manager, id, false);
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const [updated] = await manager.query(`
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UPDATE inventory_functions SET
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name=COALESCE($2,name),
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description=CASE WHEN $3::boolean THEN $4 ELSE description END,
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is_active=COALESCE($5,is_active),
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sort_order=COALESCE($6,sort_order),
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updated_by=$7,updated_at=CURRENT_TIMESTAMP
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WHERE id=$1
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RETURNING id,code,name,description,is_active AS "isActive",sort_order AS "sortOrder",
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created_at AS "createdAt",updated_at AS "updatedAt"
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`, [
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id,
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dto.name ?? null,
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dto.description !== undefined,
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dto.description ?? null,
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dto.isActive ?? null,
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dto.sortOrder ?? null,
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principal.userId,
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]) as InventoryFunctionRow[];
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await this.audit.record({
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...administrationAuditContext(principal, request),
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action: AuditAction.INVENTORY_FUNCTION_UPDATED,
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entityType: 'inventory_function',
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entityId: id,
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beforeData: before as unknown as Record<string, unknown>,
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afterData: updated as unknown as Record<string, unknown>,
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}, manager);
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return updated;
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});
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}
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async getForAsset(assetId: string) {
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return this.dataSource.transaction((manager) => this.getForAssetWithManager(manager, assetId));
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}
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async changeForAsset(
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assetId: string,
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dto: ChangeInventoryFunctionDto,
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principal: AuthPrincipal,
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request: RequestWithContext,
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) {
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return this.dataSource.transaction(async (manager) => {
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const asset = await this.requireEligibleAsset(manager, assetId, true);
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const nextFunction = await this.requireFunction(manager, dto.functionId, true);
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const effectiveAt = dto.effectiveAt ? new Date(dto.effectiveAt) : new Date();
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if (!Number.isFinite(effectiveAt.getTime())) {
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throw new BadRequestException({
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code: 'INVENTORY_FUNCTION_EFFECTIVE_DATE_INVALID',
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message: 'La fecha efectiva del cambio de función no es válida',
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});
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}
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if (effectiveAt.getTime() > Date.now() + 60_000) {
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throw new BadRequestException({
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code: 'INVENTORY_FUNCTION_FUTURE_DATE_NOT_ALLOWED',
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message: 'El cambio de función no puede registrarse con fecha futura',
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});
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}
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const current = await this.currentAssignment(manager, assetId, true);
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if (current?.functionId === nextFunction.id) {
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return this.getForAssetWithManager(manager, assetId);
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}
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if (current && effectiveAt.getTime() <= new Date(current.validFrom).getTime()) {
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throw new ConflictException({
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code: 'INVENTORY_FUNCTION_EFFECTIVE_DATE_OVERLAP',
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message: 'La fecha efectiva debe ser posterior al inicio de la función vigente',
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});
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}
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if (current) {
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await manager.query(`
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UPDATE inventory_function_assignments
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SET valid_until=$2
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WHERE id=$1 AND valid_until IS NULL
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`, [current.id, effectiveAt]);
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}
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await manager.query(`
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INSERT INTO inventory_function_assignments(
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asset_id,function_id,valid_from,change_reason,changed_by
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) VALUES($1,$2,$3,$4,$5)
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`, [assetId, nextFunction.id, effectiveAt, dto.reason ?? null, principal.userId]);
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await manager.query(`
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UPDATE assets SET updated_by=$2,updated_at=CURRENT_TIMESTAMP WHERE id=$1
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`, [assetId, principal.userId]);
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const versionNumber = await this.history.capture(
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manager,
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assetId,
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AssetVersionChangeType.FUNCTION_CHANGED,
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principal,
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request,
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);
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const after = await this.getForAssetWithManager(manager, assetId);
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await this.audit.record({
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...administrationAuditContext(principal, request),
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action: AuditAction.ASSET_FUNCTION_CHANGED,
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entityType: 'asset',
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entityId: assetId,
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beforeData: current ? {
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functionId: current.functionId,
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functionCode: current.functionCode,
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functionName: current.functionName,
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validFrom: current.validFrom,
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} : { functionId: null },
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afterData: {
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functionId: nextFunction.id,
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functionCode: nextFunction.code,
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functionName: nextFunction.name,
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effectiveAt,
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reason: dto.reason ?? null,
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},
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metadata: {
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inventoryCode: asset.code,
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inventoryName: asset.name,
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versionNumber,
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temporal: true,
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},
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}, manager);
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return after;
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});
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}
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private async getForAssetWithManager(manager: EntityManager, assetId: string) {
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const asset = await this.requireEligibleAsset(manager, assetId, false);
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const currentFunction = await this.currentAssignment(manager, assetId, false);
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const history = await manager.query(`
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SELECT assignment.id,assignment.asset_id AS "assetId",assignment.function_id AS "functionId",
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fn.code AS "functionCode",fn.name AS "functionName",
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assignment.valid_from AS "validFrom",assignment.valid_until AS "validUntil",
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assignment.change_reason AS reason,assignment.changed_by AS "changedBy",
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actor.username AS "changedByUsername",assignment.created_at AS "createdAt"
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FROM inventory_function_assignments assignment
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JOIN inventory_functions fn ON fn.id=assignment.function_id
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LEFT JOIN users actor ON actor.id=assignment.changed_by
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WHERE assignment.asset_id=$1
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ORDER BY assignment.valid_from DESC,assignment.created_at DESC
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`, [assetId]) as FunctionAssignmentRow[];
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return {
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asset: {
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id: asset.id,
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code: asset.code,
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name: asset.name,
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typeCode: asset.typeCode,
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typeName: asset.typeName,
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familyCode: asset.familyCode,
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familyName: asset.familyName,
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},
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currentFunction,
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history,
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};
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}
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private async currentAssignment(
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manager: EntityManager,
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assetId: string,
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lock: boolean,
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): Promise<FunctionAssignmentRow | null> {
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const [row] = await manager.query(`
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SELECT assignment.id,assignment.asset_id AS "assetId",assignment.function_id AS "functionId",
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fn.code AS "functionCode",fn.name AS "functionName",
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assignment.valid_from AS "validFrom",assignment.valid_until AS "validUntil",
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assignment.change_reason AS reason,assignment.changed_by AS "changedBy",
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actor.username AS "changedByUsername",assignment.created_at AS "createdAt"
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FROM inventory_function_assignments assignment
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JOIN inventory_functions fn ON fn.id=assignment.function_id
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LEFT JOIN users actor ON actor.id=assignment.changed_by
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WHERE assignment.asset_id=$1 AND assignment.valid_until IS NULL
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${lock ? 'FOR UPDATE OF assignment' : ''}
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`, [assetId]) as FunctionAssignmentRow[];
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return row ?? null;
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}
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private async requireFunction(
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manager: EntityManager,
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id: string,
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active: boolean,
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): Promise<InventoryFunctionRow> {
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const [row] = await manager.query(`
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SELECT id,code,name,description,is_active AS "isActive",sort_order AS "sortOrder",
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created_at AS "createdAt",updated_at AS "updatedAt"
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FROM inventory_functions
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WHERE id=$1 ${active ? 'AND is_active=true' : ''}
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`, [id]) as InventoryFunctionRow[];
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if (!row) {
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throw new NotFoundException({
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code: 'INVENTORY_FUNCTION_NOT_FOUND',
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message: active ? 'La función seleccionada no existe o está inactiva' : 'Función no encontrada',
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});
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}
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return row;
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}
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private async requireEligibleAsset(
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manager: EntityManager,
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assetId: string,
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lock: boolean,
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): Promise<FunctionEligibleAsset> {
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const [asset] = await manager.query(`
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SELECT asset.id,asset.code,asset.name,
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asset_type.code AS "typeCode",asset_type.name AS "typeName",
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family.code AS "familyCode",family.name AS "familyName"
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FROM assets asset
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JOIN asset_types asset_type ON asset_type.id=asset.asset_type_id
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LEFT JOIN inventory_families family ON family.id=asset.inventory_family_id
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WHERE asset.id=$1
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${lock ? 'FOR UPDATE OF asset' : ''}
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`, [assetId]) as FunctionEligibleAsset[];
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if (!asset) {
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throw new NotFoundException({ code: 'ASSET_NOT_FOUND', message: 'Inventario no encontrado' });
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}
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const values = [asset.typeCode, asset.typeName, asset.familyCode, asset.familyName].map(normalized);
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const eligible = values.some((value) =>
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value === 'estacion'
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|| value === 'subestacion'
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|| value.includes('estacion ')
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|| value.includes('subestacion ')
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|| value.endsWith(' estacion')
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|| value.endsWith(' subestacion'),
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);
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if (!eligible) {
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throw new ConflictException({
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code: 'INVENTORY_FUNCTION_CHANGE_NOT_ALLOWED',
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message: 'El cambio de función sólo está habilitado para Inventarios de Estación o Subestación',
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});
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}
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return asset;
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}
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}
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