code-sdk/src/modules/log/Log.service.ts

import { Prisma, PrismaClient } from '@prisma/client';
import {User} from '../common';
import {Log, LogParameterData} from './models';

export interface LogService {
  create(subject: User, action: string, ...parameters: LogParameterData[]): Promise<Log>
}

export class LogServiceImpl implements LogService {
  private readonly prismaClient: PrismaClient

  constructor() {
    this.prismaClient = new PrismaClient()
  }

  async create(subject: User, action: string, ...parameters: LogParameterData[]): Promise<Log> {
    const createData: Prisma.LogCreateInput = {
      subjectUsername: subject.username,
      subjectUserId: subject.id,
      action,
    }

    if (parameters.length > 0) {
      createData['parameters'] = {
        create: parameters,
      }
    }

    return this.prismaClient.log.create({
      data: createData,
    })
  }
}