EnVisageOnline/Main/Source/EnVisage/Controllers/ScenarioGroupController.cs

using System;
using System.Collections.Generic;
using System.Net;
using System.Web.Mvc;
using EnVisage.Code;
using EnVisage.Code.BLL;
using EnVisage.Models;
using jQuery.DataTables.Mvc;
using EnVisage.App_Start;

namespace EnVisage.Controllers
{
    [Authorize]
    public class ScenarioGroupController : BaseController
    {
	    #region Actions

	    
		/// <summary>
		/// GET: /UnitOfMeasure/
		/// </summary>
		/// <returns>Empty view</returns>
		[HttpGet]
		[AreaSecurity(area = Areas.Scenarios, level = AccessLevel.Read)]
		public ActionResult Index()
        {
			if (!SecurityManager.CheckSecurityObjectPermission(Areas.Scenarios, AccessLevel.Read))
                return Redirect("/");
            return View();
        }

        /// <summary>
        /// Returns JSON ScenarioGroup list with filters and sort for jQuery DataTables
        /// </summary>
        [HttpPost]
        [AreaSecurity(area = Areas.Scenarios, level = AccessLevel.Read)]
		public JsonResult Index(JQueryDataTablesModel jQueryDataTablesModel)
        {
            int totalRecordCount;
            int searchRecordCount;
	        IEnumerable<ScenarioGroupModel> groups;

			using (var manager = new ScenarioGroupManager(null))
	        {
		        groups = manager.GetGroups(startIndex: jQueryDataTablesModel.iDisplayStart,
                pageSize: jQueryDataTablesModel.iDisplayLength, sortedColumns: jQueryDataTablesModel.GetSortedColumns(),
                totalRecordCount: out totalRecordCount, searchRecordCount: out searchRecordCount, searchString: jQueryDataTablesModel.sSearch);

	        }
            
            return this.DataTablesJson(items: groups,
                totalRecords: totalRecordCount,
                totalDisplayRecords: searchRecordCount,
                sEcho: jQueryDataTablesModel.sEcho);

        }

	    // GET: /ScenarioGroup/Edit/5
	    [HttpGet]
	    [AreaSecurity(area = Areas.Scenarios, level = AccessLevel.Write)]
	    public ActionResult Edit(Guid? id)
	    {
		    var model = new ScenarioGroupModel();
		    try
		    {
			    using (var manager = new ScenarioGroupManager(DbContext))
			    {
				    model = (ScenarioGroupModel)manager.Load(id) ?? new ScenarioGroupModel();
			    }
		    }
		    catch (BLLException blEx)
		    {
			    if (blEx.DisplayError)
				    SetErrorScript(message: blEx.Message);
			    else
			    {
				    LogException(blEx);
				    SetErrorScript();
			    }
		    }
		    catch (Exception exception)
		    {
			    LogException(exception);
			    SetErrorScript();
		    }
		    return View(model);
	    }

	    // POST: /ScenarioGroup/Edit/5
	    // Чтобы защититься от атак чрезмерной передачи данных, включите определенные свойства, для которых следует установить привязку. Дополнительные 
	    // сведения см. в статье http://go.microsoft.com/fwlink/?LinkId=317598.
	    [HttpPost]
	    [ValidateAntiForgeryToken]
	    [AreaSecurity(area = Areas.Scenarios, level = AccessLevel.Write)]
	    public ActionResult Edit(ScenarioGroupModel model)
	    {
		    if (ContentLocker.IsLock("ScenarioGroup", model.Id.ToString(), User.Identity.GetUserName()))
			    return new HttpStatusCodeResult(HttpStatusCode.BadRequest);

		    model.TrimStringProperties();

		    if (ModelState.IsValid)
		    {
			    try
			    {
				    using (var manager = new ScenarioGroupManager(DbContext))
				    {
					    manager.Save(model);
				    }
				    DbContext.SaveChanges();
				    ContentLocker.RemoveLock("ScenarioGroup", model.Id.ToString(), User.Identity.GetUserName());
				    return RedirectToAction("Index");
			    }
			    catch (BLLException blEx) // handle any system specific error
			    {
				    // display error message if required
				    if (blEx.DisplayError)
					    ModelState.AddModelError(string.Empty, blEx.Message);
				    else // if display not requried then display modal form with general error message 
				    {
					    LogException(blEx);
					    SetErrorScript();
				    }
			    }
			    catch (Exception exception) // handle any unexpected error
			    {
				    LogException(exception);
				    SetErrorScript();
			    }
		    }
		    // return empty model with validation messages (if any) 
		    return View(model);
	    }

	    // GET: /ScenarioGroup/Delete/5
	    [HttpGet]
	    [AreaSecurity(area = Areas.Scenarios, level = AccessLevel.Write)]
	    public ActionResult Delete(Guid? id)
	    {
		    if (id == null || id == Guid.Empty)
			    return new HttpStatusCodeResult(HttpStatusCode.BadRequest);

		    var model = new ScenarioGroupModel();
		    try
		    {
			    using (var manager = new ScenarioGroupManager(DbContext))
			    {
				    model = (ScenarioGroupModel)manager.Load(id);
			    }
			    if (model == null)
				    return HttpNotFound();

		    }
		    catch (BLLException blEx)
		    {
			    if (blEx.DisplayError)
				    SetErrorScript(message: blEx.Message);
			    else
			    {
				    LogException(blEx);
				    SetErrorScript();
			    }
		    }
		    catch (Exception exception)
		    {
			    LogException(exception);
			    SetErrorScript();
		    }
		    return View(model);
	    }

	    // POST: /ScenarioGroup/Delete/5
	    [HttpPost]
	    [ValidateAntiForgeryToken]
	    [AreaSecurity(area = Areas.Scenarios, level = AccessLevel.Write)]
	    public ActionResult Delete(ScenarioGroupModel model)
	    {
		    if (ContentLocker.IsLock("ScenarioGroup", model.Id.ToString(), User.Identity.GetUserName()))
			    return new HttpStatusCodeResult(HttpStatusCode.BadRequest);

		    SystemAttribute dbObj;
		    using (var manager = new ScenarioGroupManager(null))
		    {
			    dbObj = manager.Load(model.Id, false);
				if (dbObj == null)
					return HttpNotFound();
				manager.Delete(model.Id);

		    }

		    ContentLocker.RemoveLock("ScenarioGroup", dbObj.Id.ToString(), User.Identity.GetUserName());
		    return RedirectToAction("Index");
	    }
		#endregion

    }
}