Task Agent to call webservice for Json data

FidsJsonTask.cs

using Sitecore.Data;
using Sitecore.Sites;
using System;
using Sitecore.Configuration;
using Sitecore.ContentSearch;

namespace Flights.Tasks
{
    public class FidsJsonTask
    {

        public string Message
        {
            get;
            set;
        }

        //refactored to use a single database write; parsing is done by the indexer
        public void Run()
        {
            Sitecore.Diagnostics.Log.Info(this + " : Start : " + this.Message, this);

            var saveWatch = System.Diagnostics.Stopwatch.StartNew();
            var response = Downloader.GetRawJson();

            Database masterDb = Factory.GetDatabase("master");
            var fidsItem = masterDb.GetItem("/sitecore/content/global/content/fids"); //RawJson content item

            using (new Sitecore.SecurityModel.SecurityDisabler())
            {
                if (!string.IsNullOrEmpty(response))
                {
                    fidsItem.Editing.BeginEdit();
                    try
                    {
                        fidsItem.Fields["RawJson"].Value = response;
                    }
                    catch (Exception ex)
                    {
                        Sitecore.Diagnostics.Log.Error(
                            "Could not update item " + fidsItem.Paths.FullPath + ": " + ex.Message, this);
                        fidsItem.Editing.CancelEdit();
                    }
                    finally
                    {
                        fidsItem.Editing.EndEdit();
                    }
                }
                
                saveWatch.Stop();
                var saveElapsedMs = saveWatch.ElapsedMilliseconds;
                Sitecore.Diagnostics.Log.Info("Publish Info Task - Save to DB Time: " + saveElapsedMs, this);

                try
                {
                    using (new SiteContextSwitcher(SiteContextFactory.GetSiteContext("shell")))
                    {
                        //master database                       
                        var scItem = fidsItem;
                        if (scItem != null && scItem.HasChildren)
                        {
                            //Get all publishing target
                            var publishingTargets = Sitecore.Publishing.PublishManager.GetPublishingTargets(masterDb);

                            // 4) Loop through each publishing target and publish
                            foreach (var publishingTarget in publishingTargets)
                            {
                                var useDatabaseName = publishingTarget.Fields["Target database"].Value;
                                var webDatabase = Database.GetDatabase(useDatabaseName);
                                Sitecore.Publishing.PublishOptions publishOptions =
                                    new Sitecore.Publishing.PublishOptions(
                                        scItem.Database,
                                        webDatabase,
                                        Sitecore.Publishing.PublishMode.Full,
                                        scItem.Language,
                                        System.DateTime.UtcNow);

                                // Create a publisher with the publishoptions
                                var publisher = new Sitecore.Publishing.Publisher(publishOptions);
                                publisher.Options.RootItem = scItem;

                                // 5) Publish Sitecore child items if needed with Deep = true
                                publisher.Options.Deep = true;
                                publisher.Publish();
                            }
                        }
                        
                        Sitecore.Diagnostics.Log.Info("Publish Info Task - Index Rebuild", this);
                        //force index refresh
                        var index = ContentSearchManager.GetIndex("flight_json_index");
                        if (index != null)
                        {
                            index.Refresh(new SitecoreIndexableItem(scItem), IndexingOptions.ForcedIndexing);
                        }
                    }
                                        
                    Sitecore.Diagnostics.Log.Info(this + " : End : " + this.Message, this);
                }
                catch (Exception ex)
                {
                    Sitecore.Diagnostics.Log.Error(this + " : Error : " + ex.Message, ex, this);
                }
            }
        }
    }
}