Blog.SoeExample.Service.ExampleService.cs

using System;
using System.Text;
using System.Collections.Generic;
using System.Collections.Specialized;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.SOESupport;
using Blog.SoeExample.Repository;

namespace Blog.SoeExample.Service
{
    public class ExampleService : IExampleService
    {
        private IExampleRepository repository;

        // constructor - injects repository dependency
        public ExampleService(IExampleRepository repository)
        {
            this.repository = repository;
        }

        // workspace dependency - set direct on repository dependency
        public IWorkspace Workspace
        {
            get
            {
                return repository.Workspace;
            }
            set
            {
                repository.Workspace = value;
            }
        }

        // service operation
        public byte[] GetLandUseSelection(NameValueCollection boundVariables,
                                          JsonObject operationInput,
                                          string outputFormat,
                                          string requestProperties,
                                          out string responseProperties)
        {
            // set response header
            responseProperties = "{\"Content-Type\" : \"application/json\"}";

            // get the landUse parameter
            string landUse;
            if (!operationInput.TryGetString("landUse", out landUse))
            {
                throw new ArgumentException("No landUse supplied in json");
            }

            // execute the repository method
            var parcels = this.repository.SelectParcelsWithLandUse(landUse);

            // package up the parcel models as a json array
            var parcelsJson = new List<JsonObject>();

            foreach(var parcel in parcels)
            {
                parcelsJson.Add(parcel.Serialise());
            }

            var result = new JsonObject();

            result.AddArray("parcels", parcelsJson.ToArray());

            return Encoding.UTF8.GetBytes(result.ToJson());
        }
    }
}