Combined search for main and under organization in the Brønnøysundregister.

BrregController.cs

using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using System.Web.Http;
using Newtonsoft.Json.Linq;


namespace Controllers
{
    public class OrgController : ApiController
    {
        [Route("api/org/{orgnum}")]
        [HttpGet]
        public async Task<IHttpActionResult> LookupOrg(string orgnum)
        {
            if (string.IsNullOrWhiteSpace(orgnum))
            {
                return Ok();
            }

            var brregBaseAddress = "http://data.brreg.no/";

            HttpResponseMessage response = await LookupMainOrg(orgnum, brregBaseAddress);
            if (!response.IsSuccessStatusCode)
            {
                response = await LookupSubOrg(orgnum, brregBaseAddress);
            }

            if (response.IsSuccessStatusCode)
            {
                var stringResponse = await response.Content.ReadAsStringAsync();
                JObject json = JObject.Parse(stringResponse);
                return Ok(json);
            }

            return NotFound();
        }


        private async Task<HttpResponseMessage> LookupMainOrg(string orgnum, string baseAddress)
        {
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(baseAddress);
                client.DefaultRequestHeaders.Accept.Clear();
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                HttpResponseMessage response = await client.GetAsync("enhetsregisteret/enhet/" + orgnum + ".json");
                return response;
            }
        }


        private async Task<HttpResponseMessage> LookupSubOrg(string orgnum, string baseAddress)
        {
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(baseAddress);
                client.DefaultRequestHeaders.Accept.Clear();
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                HttpResponseMessage response = await client.GetAsync("enhetsregisteret/underenhet/" + orgnum + ".json");
                return response;
            }
        }
    }
}

lookup.controller.js

(function () {
    'use strict';

    angular.module('app')
    .controller('someApplicationController', controller);
    
    function controller($scope, $http) {    
        
        function lookupOrgNum(orgnum) {
            $http.get('api/org/' + orgnum).
                success(function (data) {
                    $scope.form.organization.orgname = data.navn;
                    if (angular.isDefined(data.beliggenhetsadresse)) { // Underenhet
                        $scope.form.organization.visitAddress = data.beliggenhetsadresse.adresse;
                        $scope.form.organization.visitZip = data.beliggenhetsadresse.postnummer;
                        $scope.form.organization.visitCity = data.beliggenhetsadresse.poststed;
                    }
                    else if (angular.isDefined(data.forretningsadresse)) { // Hovedenhet
                        $scope.form.organization.visitAddress = data.forretningsadresse.adresse;
                        $scope.form.organization.visitZip = data.forretningsadresse.postnummer;
                        $scope.form.organization.visitCity = data.forretningsadresse.poststed;
                    }

                    $scope.form.organization.postalAddress = data.postadresse.adresse;
                    $scope.form.organization.postalZip = data.postadresse.postnummer;
                    $scope.form.organization.postalCity = data.postadresse.poststed;
                }).
                error(function (data, status) {
                    if (status === 404) {
                        $scope.form.organization.orgname = "";
                        toaster.pop('error', '', 'Organisasjonsnummeret finnes ikke');
                    }
                });
        }
        
        $scope.getOrgName = function () {
            $scope.form.organization.orgname = "";
            if (typeof $scope.form.organization.orgnum === "undefined" || $scope.form.organization.orgnum < 800000000 || $scope.form.organization.orgnum > 990000000) {
                return;
            }
            lookupOrgNum($scope.form.organization.orgnum);
        }
    }
})();