All files / src/domains/hr/organization designation.service.ts

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import {
  Injectable,
  NotFoundException,
  ConflictException,
} from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { Model } from 'mongoose';
import { Designation } from './schemas/designation.schema';
import { AuditLogService } from '../../../platform/audit/audit-log.service';
import { EventBusService } from '../../../platform/events/event-bus.service';
 
@Injectable()
export class DesignationService {
  constructor(
    @InjectModel(Designation.name)
    private readonly designationModel: Model<Designation>,
    private readonly auditLog: AuditLogService,
    private readonly eventBus: EventBusService,
  ) {}
 
  async create(tenantId: string, data: any, userId: string) {
    const existing = await this.designationModel
      .findOne({ tenantId, designationCode: data.designationCode })
      .exec();
    if (existing)
      throw new ConflictException(
        `Designation code ${data.designationCode} already exists.`,
      );
 
    const desg = await this.designationModel.create({
      ...data,
      tenantId,
      createdBy: userId,
    });
    await this.auditLog.log({
      tenantId,
      userId,
      action: 'CREATE',
      resource: 'Designation',
      resourceId: desg.id,
      newValues: data,
      moduleName: 'HR',
    });
    await this.eventBus.publish(
      'hr.designation.created.v1',
      { tenantId, designationId: desg.id },
      tenantId,
    );
    return desg;
  }
 
  async findAll(tenantId: string) {
    return this.designationModel
      .find({ tenantId, deletedAt: null })
      .sort({ designationName: 1 })
      .lean()
      .exec();
  }
 
  async findOne(tenantId: string, id: string) {
    const desg = await this.designationModel
      .findOne({ tenantId, _id: id, deletedAt: null })
      .lean()
      .exec();
    if (!desg) throw new NotFoundException('Designation not found');
    return desg;
  }
 
  async update(tenantId: string, id: string, data: any, userId: string) {
    const desg = await this.designationModel
      .findOne({ tenantId, _id: id, deletedAt: null })
      .exec();
    if (!desg) throw new NotFoundException('Designation not found');
    const oldValues = desg.toObject();
    Object.assign(desg, data, { updatedBy: userId });
    await desg.save();
    await this.auditLog.log({
      tenantId,
      userId,
      action: 'UPDATE',
      resource: 'Designation',
      resourceId: desg.id,
      oldValues,
      newValues: data,
      moduleName: 'HR',
    });
    return desg;
  }
 
  async delete(tenantId: string, id: string, userId: string) {
    const desg = await this.designationModel
      .findOne({ tenantId, _id: id, deletedAt: null })
      .exec();
    if (!desg) throw new NotFoundException('Designation not found');
    desg.deletedAt = new Date();
    desg.updatedBy = userId;
    await desg.save();
    await this.auditLog.log({
      tenantId,
      userId,
      action: 'DELETE',
      resource: 'Designation',
      resourceId: desg.id,
      moduleName: 'HR',
    });
    return { success: true };
  }
}