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14 changes: 13 additions & 1 deletion packages/server/src/tag/services/training-set.service.ts
Original file line number Diff line number Diff line change
@@ -1,13 +1,21 @@
import { Injectable } from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { Model } from 'mongoose';
import { MongooseMiddlewareService } from 'src/shared/service/mongoose-callback.service';
import { Entry } from '../../entry/models/entry.model';
import { Study } from '../../study/study.model';
import { TrainingSet } from '../models/training-set';

@Injectable()
export class TrainingSetService {
constructor(@InjectModel(TrainingSet.name) private readonly trainingSetModel: Model<TrainingSet>) {}
constructor(
@InjectModel(TrainingSet.name) private readonly trainingSetModel: Model<TrainingSet>,
middlewareService: MongooseMiddlewareService
) {
middlewareService.register(Study.name, 'deleteOne', async (study: Study) => {
await this.removeForStudy(study);
});
}

async create(study: Study, entries: Entry[]): Promise<TrainingSet> {
return this.trainingSetModel.create({
Expand All @@ -19,4 +27,8 @@ export class TrainingSetService {
async findByStudy(study: Study): Promise<TrainingSet | null> {
return this.trainingSetModel.findOne({ study: study._id });
}

private async removeForStudy(study: Study): Promise<void> {
await this.trainingSetModel.deleteOne({ study: study._id });
}
}