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Daniel Sousa @TutoDS

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•Created by Daniel Sousa @TutoDS on 1/4/2025 in #help-and-questions

Nestjs Prisma extension

Hi everyone I'm trying to fill the code field with a custom nanoid() with only uppercase letters and numbers, but when I do the $extends with my logic, I have two problems: - I think my custom nanoid() isn't working - Typescript is complaining because I didn't fill the code on the .create This is my prisma service:

@Injectable()
export class PrismaService extends PrismaClient implements OnModuleInit, OnModuleDestroy {
  private readonly logger = new Logger(PrismaService.name);
  #nanoid: (size?: number) => string = undefined;

  constructor() {
    super();
    this.#nanoid = customAlphabet('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', 4);
  }

  async onModuleInit() {
    this.logger.log(`CODE: ${this.#nanoid()}`);

    this.$extends({
      model: {
        customer: {
          create: ({ args, query }) => {
            args.data = {
              ...args.data,
              code: this.#nanoid(),
            };

            query(args);
          },
        },
      },
    }).$extends(
      createSoftDeleteExtension({
        models: {
          User: true,
          Customer: true,
        },
        defaultConfig: {
          field: 'deletedAt',
          createValue: (deleted) => {
            if (deleted) {
              return new Date();
            }
            return null;
          },
        },
      }),
    );

    await this.$connect();
  }

  async onModuleDestroy() {
    await this.$disconnect();
  }
}

@Injectable()
export class PrismaService extends PrismaClient implements OnModuleInit, OnModuleDestroy {
  private readonly logger = new Logger(PrismaService.name);
  #nanoid: (size?: number) => string = undefined;

  constructor() {
    super();
    this.#nanoid = customAlphabet('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', 4);
  }

  async onModuleInit() {
    this.logger.log(`CODE: ${this.#nanoid()}`);

    this.$extends({
      model: {
        customer: {
          create: ({ args, query }) => {
            args.data = {
              ...args.data,
              code: this.#nanoid(),
            };

            query(args);
          },
        },
      },
    }).$extends(
      createSoftDeleteExtension({
        models: {
          User: true,
          Customer: true,
        },
        defaultConfig: {
          field: 'deletedAt',
          createValue: (deleted) => {
            if (deleted) {
              return new Date();
            }
            return null;
          },
        },
      }),
    );

    await this.$connect();
  }

  async onModuleDestroy() {
    await this.$disconnect();
  }
}

16 replies

PPrisma

•Created by Daniel Sousa @TutoDS on 12/25/2024 in #help-and-questions

Soft Delete with Nestjs

Hi everyone How I can implement soft deletes using Prisma and Nestjs? I found on the docs but is using middlewares, and for what I know, they are deprecated. Thanks for your time

17 replies

Gaming

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