app_vue2/services/dataProvider/provider/enumProvider.ts

import {AnyJson, DataProviderArgs, EnumChoice, EnumChoices, Provider} from "~/types/interfaces";
import BaseProvider from "~/services/dataProvider/provider/baseProvider";
import {QUERY_TYPE} from "~/types/enums";
import * as _ from "lodash";
import {Context} from "@nuxt/types/app";

class EnumProvider extends BaseProvider implements Provider{
  constructor(ctx: Context, args: DataProviderArgs) {
    super(ctx, args);
  }

  async invoke(data: AnyJson): Promise<any>{
    const enums:EnumChoices = []
    _.each(data['items'], (item, key) =>{
      const entry:EnumChoice = {
        value: key,
        label: this.ctx.app.i18n.t(item) as string
      };
      enums.push(entry)
    })
    return this.sortEnum(enums)
  }

  private sortEnum(enums:EnumChoices){
    return enums.sort( (a, b) => {
      if (a.label > b.label)
        return 1;
      if (a.label < b.label)
        return -1;
      return 0;
    });
  }

  static support(args:DataProviderArgs): boolean{
    return args.type ===  QUERY_TYPE.ENUM
  }
}

export default EnumProvider