egtbeamwall/EgtBEAMWALL.DataLayer/Controllers/RawPartController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EgtBEAMWALL.DataLayer.DatabaseModels;

namespace EgtBEAMWALL.DataLayer.Controllers
{
   public class RawPartController : IDisposable
   {
      private DatabaseContext dbCtx;

      public RawPartController()
      {
         // Initialize database context
         dbCtx = new DatabaseContext();
      }

      public void Dispose()
      {
         // Clear database context
         dbCtx.Dispose();
      }
      /// <summary>
      /// Get record by RawPartDbId
      /// </summary>
      /// <param name="RawPartDbId"></param>
      /// <returns></returns>
      public RawPartModel FindByRawPartDbId(int RawPartDbId)
      {
         return dbCtx
             .RawPartList
             .Where(x => x.RawPartDbId == RawPartDbId)
             .SingleOrDefault();
      }
      /// <summary>
      /// Get record by RawPartId
      /// </summary>
      /// <param name="RawPartId"></param>
      /// <returns></returns>
      public RawPartModel FindByRawPartId(int RawPartId)
      {
         return dbCtx
             .RawPartList
             .Where(x => x.RawPartId == RawPartId)
             .SingleOrDefault();
      }
      /// <summary>
      /// Get paginated data from DB (ASC ordered)
      /// </summary>
      /// <param name="RawPartDbIdStart"></param>
      /// <param name="numRecord"></param>
      /// <returns></returns>
      public List<RawPartModel> GetPaginatedAsc(int RawPartDbIdStart, int numRecord)
      {
         int numEnd = RawPartDbIdStart - numRecord;
         // check numEnd
         if (numEnd < 0)
            numEnd = 0;
         // retrieve
         return dbCtx
             .RawPartList
             .Where(x => x.RawPartDbId <= RawPartDbIdStart)
             .OrderBy(x => x.RawPartDbId)
             .Take(numRecord)
             .ToList();
      }
      /// <summary>
      /// Get paginated data from DB (DESC ordered)
      /// </summary>
      /// <param name="PartDbIdStart"></param>
      /// <param name="numRecord"></param>
      /// <returns></returns>
      public List<RawPartModel> GetPaginatedDesc(int PartDbIdStart, int numRecord)
      {
         int numEnd = PartDbIdStart - numRecord;
         // check numEnd
         if (numEnd < 0)
            numEnd = 0;
         // retrieve
         return dbCtx
             .RawPartList
             .Where(x => x.RawPartDbId <= PartDbIdStart)
             .OrderByDescending(x => x.RawPartDbId)
             .Take(numRecord)
             .ToList();
      }
      /// <summary>
      /// Get filtered data by RawPartectId (ASC ordered)
      /// </summary>
      /// <param name="ProdDbId"></param>
      /// <returns></returns>
      public List<RawPartModel> GetByProdAsc(int ProdDbId)
      {
         // retrieve
         return dbCtx
             .RawPartList
             .Where(x => x.ProdDbId == ProdDbId)
             .OrderBy(x => x.ProdDbId)
             .ToList();
      }
      /// <summary>
      /// Get filtered data by RawPartectId (DESC ordered)
      /// </summary>
      /// <param name="ProdDbId"></param>
      /// <returns></returns>
      public List<RawPartModel> GetByProdDesc(int ProdDbId)
      {
         // retrieve
         return dbCtx
             .RawPartList
             .Where(x => x.ProdDbId == ProdDbId)
             .OrderByDescending(x => x.ProdDbId)
             .ToList();
      }

      /// <summary>
      /// Create record on DB
      /// </summary>
      /// <param name="newRawPartId"></param>
      /// <param name="description"></param>
      /// <returns></returns>
      public RawPartModel Create(int newRawPartId, string description)
      {
         RawPartModel newRawPart = new RawPartModel() { RawPartId=newRawPartId, Description=description, State= RawPartState.ND };

         try
         {
            // Add to database
            dbCtx.RawPartList.Add(newRawPart);
            // Commit changes
            dbCtx.SaveChanges();
         }
         catch
         { }

         return newRawPart;
      }

      /// <summary>
      /// Update single RawPart 
      /// </summary>
      /// <param name="updItem">Item to update (with updated values)</param>
      /// <returns></returns>
      public bool Update(RawPartModel updItem)
      {
         bool done = false;
         var item2update = dbCtx
             .RawPartList
             .Where(x => x.RawPartDbId == updItem.RawPartDbId)
             .SingleOrDefault();
         try
         {
            // update, vers 1...
            dbCtx.Entry(item2update).CurrentValues.SetValues(updItem);

            //// update, vers 2
            //dbCtx.BTLPartList.Remove(item2del);
            //dbCtx.BTLPartList.Add(updItem);

            // Commit changes
            dbCtx.SaveChanges();
            done = true;
         }
         catch
         { }
         return done;
      }
   }
}