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

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import {
  Injectable,
  NotFoundException,
  ConflictException,
} from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { Model } from 'mongoose';
import { Shift, ShiftVersion, ShiftBreakRule } from '../schemas';
import {
  CreateShiftDto,
  UpdateShiftDto,
  CreateShiftBreakRuleDto,
} from './dto/shift.dto';
 
@Injectable()
export class ShiftService {
  constructor(
    @InjectModel(Shift.name) private shiftModel: Model<Shift>,
    @InjectModel(ShiftVersion.name) private versionModel: Model<ShiftVersion>,
    @InjectModel(ShiftBreakRule.name)
    private breakRuleModel: Model<ShiftBreakRule>,
  ) {}
 
  async create(tenantId: string, createDto: CreateShiftDto, userId: string) {
    const existing = await this.shiftModel.findOne({
      tenantId,
      shiftCode: createDto.shiftCode,
    });
    if (existing) {
      throw new ConflictException(
        `Shift with code ${createDto.shiftCode} already exists`,
      );
    }
 
    const created = new this.shiftModel({
      ...createDto,
      tenantId,
      createdBy: userId,
    });
 
    const saved = await created.save();
 
    await this.versionModel.create({
      tenantId,
      shiftId: saved._id,
      shiftData: saved.toObject(),
      effectiveFrom: saved.effectiveFrom,
      createdBy: userId,
    });
 
    return saved;
  }
 
  async findAll(tenantId: string) {
    return this.shiftModel.find({ tenantId }).exec();
  }
 
  async findOne(tenantId: string, id: string) {
    const shift = await this.shiftModel.findOne({ _id: id, tenantId }).exec();
    if (!shift) {
      throw new NotFoundException(`Shift #${id} not found`);
    }
    return shift;
  }
 
  async update(
    tenantId: string,
    id: string,
    updateDto: UpdateShiftDto,
    userId: string,
  ) {
    const shift = await this.findOne(tenantId, id);
 
    const updated = await this.shiftModel.findOneAndUpdate(
      { _id: id, tenantId },
      { $set: updateDto },
      { new: true },
    );
 
    if (!updated) {
      throw new NotFoundException(`Shift #${id} not found`);
    }
 
    await this.versionModel.create({
      tenantId,
      shiftId: updated._id,
      shiftData: updated.toObject(),
      effectiveFrom: updated.effectiveFrom,
      createdBy: userId,
    });
 
    return updated;
  }
 
  async addBreakRule(
    tenantId: string,
    shiftId: string,
    breakRuleDto: CreateShiftBreakRuleDto,
  ) {
    await this.findOne(tenantId, shiftId);
 
    const created = new this.breakRuleModel({
      ...breakRuleDto,
      tenantId,
      shiftId,
    });
 
    return created.save();
  }
 
  async getBreakRules(tenantId: string, shiftId: string) {
    return this.breakRuleModel.find({ tenantId, shiftId }).exec();
  }
}