complete-flow.ts

export class CompleteFlow implements Flow {

  createConfiguration(): Promise<ProductConfiguration> {
    // blijft hetzelfde?
    return undefined;
  }

  getOptions(): Promise<ProductConfigurationOption> {
    // is anders per flow
    return undefined;
  }

  publish(): Promise<ProductConfigurationOption> {
    // verschilt per flow
    return undefined;
  }

  updateConfiguration(): Promise<ProductConfiguration> {
    // verschilt per flow
    return undefined;
  }

}

configurator.ts

export class Configurator {

  mistergreen_nl = new CompleteFlow();
  mistergreen_be = new ShortFlow();

  private getFlow(tenant: string): Flow {
    switch(tenant) {
      case 'mistergreen_nl': return this.mistergreen_nl;
      case 'mistergreen_be': return this.mistergreen_be;
      default: throw Error(`No tenant available for ${tenant}`);
    }
  }

  async createConfiguration(auth: Authentication, input: ConfiguratorConfigurationInput) {
    await this.getFlow(auth.tenant).createConfiguration();
  }

  async updateOption(auth: Authentication) {
    await this.getFlow(auth.tenant).updateConfiguration()
  }

  async approveConfiguration(auth: Authentication, configurationId: string, agreementIds: string[]) {
    await this.getFlow(auth.tenant).publish();
  }

}

flow.interface.ts

export interface Flow {

  createConfiguration(): Promise<ProductConfiguration>;

  updateConfiguration(): Promise<ProductConfiguration>;

  getOptions(): Promise<ProductConfigurationOption>;

  publish(): Promise<ProductConfigurationOption>;

}

short-flow.ts

export class ShortFlow implements Flow {

  createConfiguration(): Promise<ProductConfiguration> {
    // blijft hetzelfde?
    return undefined;
  }

  getOptions(): Promise<ProductConfigurationOption> {
    // is anders per flow
    // Dit kan de bestaande services aanroepen
    return undefined;
  }

  publish(): Promise<ProductConfigurationOption> {
    // verschilt per flow
    return undefined;
  }

  updateConfiguration(): Promise<ProductConfiguration> {
    // verschilt per flow
    return undefined;
  }

}