All files / src/domains/hr/attendance/approval approval.service.ts

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import { Injectable, NotFoundException } from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { Model } from 'mongoose';
import { AttendanceApprovalPeriod, AttendanceApprovalRecord } from '../schemas';
import { CreateApprovalPeriodDto, ActionApprovalDto } from './dto/approval.dto';
 
@Injectable()
export class ApprovalService {
  constructor(
    @InjectModel(AttendanceApprovalPeriod.name)
    private periodModel: Model<AttendanceApprovalPeriod>,
    @InjectModel(AttendanceApprovalRecord.name)
    private recordModel: Model<AttendanceApprovalRecord>,
  ) {}
 
  async createPeriod(tenantId: string, createDto: CreateApprovalPeriodDto) {
    const created = new this.periodModel({
      ...createDto,
      tenantId,
    });
    return created.save();
  }
 
  async getPeriods(tenantId: string) {
    return this.periodModel.find({ tenantId }).sort({ startDate: -1 }).exec();
  }
 
  async processApproval(
    tenantId: string,
    periodId: string,
    employeeId: string,
    actionDto: ActionApprovalDto,
    approverId: string,
  ) {
    const period = await this.periodModel
      .findOne({ _id: periodId, tenantId })
      .exec();
    if (!period) throw new NotFoundException('Approval period not found');
 
    const record = await this.recordModel.findOneAndUpdate(
      { tenantId, periodId, employeeId },
      {
        approverId,
        status: actionDto.status,
        comments: actionDto.comments,
      },
      { upsert: true, new: true },
    );
 
    // Side effect: Depending on policy, maybe lock the daily records for this period
    return record;
  }
 
  async getApprovalRecords(tenantId: string, periodId: string) {
    return this.recordModel.find({ tenantId, periodId }).exec();
  }
}