All files / src/domains/hr/attendance/schedule holiday.service.ts

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import {
  Injectable,
  NotFoundException,
  ConflictException,
} from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { Model } from 'mongoose';
import {
  HolidayCalendar,
  Holiday,
  HolidayCalendarAssignment,
} from '../schemas';
import {
  CreateHolidayCalendarDto,
  UpdateHolidayCalendarDto,
  CreateHolidayDto,
  AssignHolidayCalendarDto,
} from './dto/holiday.dto';
 
@Injectable()
export class HolidayService {
  constructor(
    @InjectModel(HolidayCalendar.name)
    private calendarModel: Model<HolidayCalendar>,
    @InjectModel(Holiday.name) private holidayModel: Model<Holiday>,
    @InjectModel(HolidayCalendarAssignment.name)
    private assignmentModel: Model<HolidayCalendarAssignment>,
  ) {}
 
  async createCalendar(
    tenantId: string,
    createDto: CreateHolidayCalendarDto,
    userId: string,
  ) {
    const existing = await this.calendarModel.findOne({
      tenantId,
      calendarCode: createDto.calendarCode,
      year: createDto.year,
    });
    if (existing) {
      throw new ConflictException(
        `Holiday calendar with code ${createDto.calendarCode} for year ${createDto.year} already exists`,
      );
    }
 
    const created = new this.calendarModel({
      ...createDto,
      tenantId,
      createdBy: userId,
    });
 
    return created.save();
  }
 
  async findAllCalendars(tenantId: string, year?: number) {
    const query: any = { tenantId };
    if (year) query.year = year;
    return this.calendarModel.find(query).exec();
  }
 
  async findCalendar(tenantId: string, id: string) {
    const calendar = await this.calendarModel
      .findOne({ _id: id, tenantId })
      .exec();
    if (!calendar) {
      throw new NotFoundException(`Holiday Calendar #${id} not found`);
    }
    return calendar;
  }
 
  async updateCalendar(
    tenantId: string,
    id: string,
    updateDto: UpdateHolidayCalendarDto,
  ) {
    const updated = await this.calendarModel.findOneAndUpdate(
      { _id: id, tenantId },
      { $set: updateDto },
      { new: true },
    );
    if (!updated) {
      throw new NotFoundException(`Holiday Calendar #${id} not found`);
    }
    return updated;
  }
 
  async addHolidays(
    tenantId: string,
    calendarId: string,
    holidaysDto: CreateHolidayDto[],
  ) {
    await this.findCalendar(tenantId, calendarId);
 
    const holidays = holidaysDto.map((holiday) => ({
      ...holiday,
      tenantId,
      holidayCalendarId: calendarId,
    }));
 
    return this.holidayModel.insertMany(holidays);
  }
 
  async getHolidays(tenantId: string, calendarId: string) {
    return this.holidayModel
      .find({ tenantId, holidayCalendarId: calendarId })
      .sort({ date: 1 })
      .exec();
  }
 
  async assignCalendar(
    tenantId: string,
    calendarId: string,
    assignDto: AssignHolidayCalendarDto,
  ) {
    await this.findCalendar(tenantId, calendarId);
 
    const assignment = new this.assignmentModel({
      ...assignDto,
      tenantId,
      holidayCalendarId: calendarId,
    });
 
    return assignment.save();
  }
}