All files / src/domains/projects/services timesheet.service.ts

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import { Injectable, Logger, NotFoundException } from '@nestjs/common';
import { EventBusService } from '../../../platform/events/event-bus.service';
import { InjectModel } from '@nestjs/mongoose';
import { Model, Types } from 'mongoose';
import { Timesheet } from '../schemas/timesheet.schema';
import { TimeEntry } from '../schemas/time-entry.schema';
 
@Injectable()
export class TimesheetService {
  private readonly logger = new Logger(TimesheetService.name);
 
  constructor(
    @InjectModel(Timesheet.name)
    private readonly timesheetModel: Model<Timesheet>,
    @InjectModel(TimeEntry.name)
    private readonly timeEntryModel: Model<TimeEntry>,
    private readonly eventBus: EventBusService,
  ) {}
 
  async generateTimesheet(
    tenantId: string,
    employeeId: string,
    startDate: Date,
    endDate: Date,
  ): Promise<any> {
    const entries = await this.timeEntryModel
      .find({
        tenantId,
        employeeId,
        date: { $gte: startDate, $lte: endDate },
        stopwatchStatus: 'completed',
      })
      .exec();
 
    const totalHours = entries.reduce((acc, val) => acc + val.hours, 0);
    const billableHours = entries
      .filter((e) => e.billable)
      .reduce((acc, val) => acc + val.hours, 0);
 
    const sheet = new this.timesheetModel({
      tenantId,
      employeeId,
      startDate,
      endDate,
      totalHours,
      billableHours,
      status: 'draft',
    });
    return sheet.save();
  }
 
  async submit(tenantId: string, id: string): Promise<any> {
    const timesheet = await this.timesheetModel
      .findOneAndUpdate(
        { _id: id, tenantId },
        { status: 'submitted' },
        { new: true },
      )
      .exec();
    if (timesheet) {
      await this.eventBus.publish(
        'timesheet.submitted.v1',
        { timesheetId: timesheet._id, employeeId: timesheet.employeeId },
        tenantId,
      );
    }
    return timesheet;
  }
 
  async approve(
    tenantId: string,
    id: string,
    approverId: string,
  ): Promise<any> {
    // Reconciliation against attendance would happen here in a real scenario
    return this.timesheetModel
      .findOneAndUpdate(
        { _id: id, tenantId },
        { status: 'approved', approverId, approvedAt: new Date() },
        { new: true },
      )
      .exec();
  }
}