source: branches/WebApplication/MVC2/HLWebOKBQueryPlugin/Controllers/FilterController.cs @ 6190

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using HLWebOKBQueryPlugin.Models;
using HLWebOKBQueryPlugin.Helpers;
using HLWebOKBQueryPlugin.OKBQueryService;
using System.Web.Routing;

namespace HLWebOKBQueryPlugin.Controllers
{
    /// <summary>
    /// Controller for the filter subpage.
    /// </summary>
    public class FilterController : Controller
    {
        /// <summary>
        /// Get run ids from service.
        /// </summary>
        /// <returns></returns>
        public ActionResult GetRuns()
        {
            FilterModel qm = new FilterModel();
            qm.Content = (CombinedFilter)Session["Content"];

            QueryServiceClient client = Query.GetClientFactory("okbtester", "okbtester");


            long[] ids = client.GetRunIds(qm.Content);

            Response.Write("Found <" + ids.Count() + "> Runs.");

            return View("Index", qm); // name of usercontrol
        }



        public ActionResult Filters(CombinedFilter f)
        {
            FilterModel qm = new FilterModel(f);
            return PartialView("Filters", qm); // name of usercontrol
        }


        /// <summary>
        /// Add a new Filter, based on the selected combobox
        /// value. Posted values will also be set to the 
        /// "right" filter(s).
        /// </summary>
        /// <param name="collection"></param>
        /// <returns></returns>
        public ActionResult AddFilterAnd(FormCollection collection)
        {
            FilterModel fm = new FilterModel((CombinedFilter)Session["Content"]);


            // Add Filter

            String idKey = null;
            String parentIdKey = null;

            foreach (string key in collection.AllKeys)
            {
                if (key.StartsWith(FilterModel.ComboboxName))
                {
                    idKey = key;
                }
                if (key.StartsWith(FilterModel.ParentIdName))
                {
                    parentIdKey = key;
                }
            }

            Guid parentId = new Guid(collection.Get(parentIdKey));
            string filterTypeName = collection.Get(idKey);
            fm.AddFilter(filterTypeName, parentId);





            // Iterate "posted" values and build up a dictionary for
            // each filter (id).
            // <id>     =>      <key> => <value>
            //          =>      <key> => <value>
            Dictionary<Guid, Dictionary<string, string>> postValues = new Dictionary<Guid, Dictionary<string, string>>();

            foreach (string key in collection.AllKeys)
            {

                if (!key.StartsWith(FilterModel.ComboboxName) && !key.StartsWith(FilterModel.ParentIdName))
                {
                    int idx = key.IndexOf(".");
                    string id = key.Substring(0, idx);
                    string type = key.Substring(idx + 1);

                    Guid fid = new Guid(id);

                    if (postValues.ContainsKey(fid))
                    {
                        Dictionary<string, string> d = postValues[fid];
                        d.Add(type, collection.Get(key));
                    }
                    else
                    {
                        Dictionary<string, string> d = new Dictionary<string, string>();
                        d.Add(type, collection.Get(key));
                        postValues.Add(fid, d);
                    }
                }
            }

            // Update filters with posted data
            fm.UpdateWithPostValues(postValues);


            // Set Content
            Session["Content"] = fm.Content;



            return View("Index", fm);
        }




        /// <summary>
        /// Delete a filter with given id.
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public ActionResult DeleteFilter(Guid id)
        {
            // Get Content from Session
            FilterModel fm = new FilterModel((CombinedFilter)Session["Content"]);

            // Remove Filter
            bool filterRemoved = fm.RemoveFilter(id);

            // Set Content
            Session["Content"] = fm.Content;

            return View("Index", fm);
        }




        /// <summary>
        /// Add a new Filter "Box" for OR connection.
        /// </summary>
        /// <returns></returns>
        public ActionResult AddFilterOr()
        {
            FilterModel fm = new FilterModel((CombinedFilter)Session["Content"]);

            List<Filter> orFilters = fm.Content.Filters.ToList<Filter>(); ;

            CombinedFilter andFilter = fm.AvailableFilters.OfType<CombinedFilter>().Where(x => x.Operation == BooleanOperation.And).FirstOrDefault();
            orFilters.Add(andFilter);
            fm.Content.Filters = orFilters.ToArray<Filter>();


            Session["Content"] = fm.Content;

            return View("Index", fm);
        }




        /// <summary>
        /// This action will be called when rendering
        /// the index.aspx. This will hapen the first
        /// time, so the available Filters in the Model
        /// will be set.
        /// </summary>
        /// <returns></returns>
        public ActionResult Index()
        {

            // Set submenu
            Session["SelectedSubMenu"] = "Filter";
            FilterModel fm = new FilterModel();


            // Init session variable for selected filters
            if (Session["Content"] == null)
            {
                // Add first Filter 
                CombinedFilter orFilter = fm.AvailableFilters.OfType<CombinedFilter>().Where(x => x.Operation == BooleanOperation.Or).FirstOrDefault();
                CombinedFilter andFilter = fm.AvailableFilters.OfType<CombinedFilter>().Where(x => x.Operation == BooleanOperation.And).FirstOrDefault();
                orFilter.Filters = new Filter[] { andFilter }; // 1st filter

                Session["Content"] = orFilter;
            }

            // Set model
            CombinedFilter f = (CombinedFilter)Session["Content"];
            fm.Content = f;


            return View(fm);
        }


    }
}