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backend/src/mpt/mpt.service.ts

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+import { Injectable, NotFoundException } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository, IsNull } from 'typeorm';
+import { MptModel } from './entities/mpt.entity';
+
+@Injectable()
+export class MptService {
+  constructor(
+    @InjectRepository(MptModel)
+    private readonly mptRepository: Repository<MptModel>,
+  ) {}
+
+  async findAll(): Promise<MptModel[]> {
+    return this.mptRepository.find({
+      where: { delDt: IsNull() },
+      relations: ['farm'],
+      order: { testDt: 'DESC' },
+    });
+  }
+
+  async findByFarmId(farmNo: number): Promise<MptModel[]> {
+    return this.mptRepository.find({
+      where: { fkFarmNo: farmNo, delDt: IsNull() },
+      relations: ['farm'],
+      order: { testDt: 'DESC' },
+    });
+  }
+
+  async findByCowShortNo(cowShortNo: string): Promise<MptModel[]> {
+    return this.mptRepository.find({
+      where: { cowShortNo: cowShortNo, delDt: IsNull() },
+      relations: ['farm'],
+      order: { testDt: 'DESC' },
+    });
+  }
+
+  async findOne(id: number): Promise<MptModel> {
+    const mpt = await this.mptRepository.findOne({
+      where: { pkMptNo: id, delDt: IsNull() },
+      relations: ['farm'],
+    });
+    if (!mpt) {
+      throw new NotFoundException(`MPT #${id} not found`);
+    }
+    return mpt;
+  }
+
+  async create(data: Partial<MptModel>): Promise<MptModel> {
+    const mpt = this.mptRepository.create(data);
+    return this.mptRepository.save(mpt);
+  }
+
+  async bulkCreate(data: Partial<MptModel>[]): Promise<MptModel[]> {
+    const mpts = this.mptRepository.create(data);
+    return this.mptRepository.save(mpts);
+  }
+
+  async update(id: number, data: Partial<MptModel>): Promise<MptModel> {
+    await this.findOne(id);
+    await this.mptRepository.update(id, data);
+    return this.findOne(id);
+  }
+
+  async remove(id: number): Promise<void> {
+    const mpt = await this.findOne(id);
+    await this.mptRepository.softRemove(mpt);
+  }
+}