شركة التطبيقات المتكاملة لتصميم النظم البرمجية الخاصة

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Public general use code classes and xml files that we've compiled and used over the years:

Contact Entity Framework class for Next Generation Network (NGN) data model.

   1:  using System;
   2:  using System.Collections.Generic;
   3:  using System.Linq;
   4:   
   5:  namespace Ia.Ngn.Cl.Model.Data
   6:  {
   7:      ////////////////////////////////////////////////////////////////////////////
   8:   
   9:      /// <summary publish="true">
  10:      /// Contact Entity Framework class for Next Generation Network (NGN) data model.
  11:      /// </summary>
  12:      /// 
  13:      /// <remarks> 
  14:      /// Copyright © 2006-2017 Jasem Y. Al-Shamlan (info@ia.com.kw), Internet Applications - Kuwait. All Rights Reserved.
  15:      ///
  16:      /// This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
  17:      /// the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  18:      ///
  19:      /// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  20:      /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  21:      /// 
  22:      /// You should have received a copy of the GNU General Public License along with this library. If not, see http://www.gnu.org/licenses.
  23:      /// 
  24:      /// Copyright notice: This notice may not be removed or altered from any source distribution.
  25:      /// </remarks> 
  26:      public partial class Contact
  27:      {
  28:          /// <summary/>
  29:          public Contact() { }
  30:   
  31:          ////////////////////////////////////////////////////////////////////////////
  32:   
  33:          /// <summary>
  34:          ///
  35:          /// </summary>
  36:          public static void Create(Ia.Ngn.Cl.Model.Contact newContact, out Ia.Cl.Model.Result result)
  37:          {
  38:              result = new Ia.Cl.Model.Result();
  39:   
  40:              using (var db = new Ia.Ngn.Cl.Model.Ngn())
  41:              {
  42:                  newContact.Created = newContact.Updated = DateTime.UtcNow.AddHours(3);
  43:   
  44:                  db.Contacts.Add(newContact);
  45:                  db.SaveChanges();
  46:   
  47:                  result.AddSuccess(@"Contact """ + newContact.FullName + @""" created. ");
  48:              }
  49:          }
  50:   
  51:          ////////////////////////////////////////////////////////////////////////////
  52:   
  53:          /// <summary>
  54:          ///
  55:          /// </summary>
  56:          public static Ia.Ngn.Cl.Model.Contact Read(int id)
  57:          {
  58:              Ia.Ngn.Cl.Model.Contact contact;
  59:   
  60:              using (var db = new Ia.Ngn.Cl.Model.Ngn())
  61:              {
  62:                  contact = (from c in db.Contacts where c.Id == id select c).SingleOrDefault();
  63:              }
  64:   
  65:              return contact;
  66:          }
  67:   
  68:          ////////////////////////////////////////////////////////////////////////////
  69:   
  70:          /// <summary>
  71:          ///
  72:          /// </summary>
  73:          public static List<Ia.Ngn.Cl.Model.Contact> List
  74:          {
  75:              get
  76:              {
  77:                  List<Ia.Ngn.Cl.Model.Contact> contactList;
  78:   
  79:                  using (var db = new Ia.Ngn.Cl.Model.Ngn())
  80:                  {
  81:                      contactList = (from c in db.Contacts select c).ToList();
  82:                  }
  83:   
  84:                  return contactList;
  85:              }
  86:          }
  87:   
  88:          ////////////////////////////////////////////////////////////////////////////
  89:   
  90:          /// <summary>
  91:          ///
  92:          /// </summary>
  93:          public static void Update(Ia.Ngn.Cl.Model.Contact updatedContact, out Ia.Cl.Model.Result result)
  94:          {
  95:              Ia.Ngn.Cl.Model.Contact contact;
  96:   
  97:              result = new Ia.Cl.Model.Result();
  98:   
  99:              using (var db = new Ia.Ngn.Cl.Model.Ngn())
 100:              {
 101:                  contact = (from c in db.Contacts where c.Id == updatedContact.Id select c).SingleOrDefault();
 102:   
 103:                  if (contact.Update(updatedContact))
 104:                  {
 105:                      db.Contacts.Attach(contact);
 106:                      db.Entry(contact).State = System.Data.Entity.EntityState.Modified;
 107:   
 108:                      result.AddSuccess("Contact " + updatedContact.FullName + @" updated. ");
 109:                  }
 110:                  else
 111:                  {
 112:                      result.AddWarning(@"No change in contact's information. Contact """ + updatedContact.FullName + @""" was not updated. ");
 113:                  }
 114:   
 115:                  db.SaveChanges();
 116:              }
 117:          }
 118:   
 119:          ////////////////////////////////////////////////////////////////////////////
 120:   
 121:          /// <summary>
 122:          ///
 123:          /// </summary>
 124:          public static void Delete(int id, out Ia.Cl.Model.Result result)
 125:          {
 126:              result = new Ia.Cl.Model.Result();
 127:   
 128:              using (var db = new Ia.Ngn.Cl.Model.Ngn())
 129:              {
 130:                  var contact = (from c in db.Contacts where c.Id == id select c).FirstOrDefault();
 131:   
 132:                  db.Contacts.Remove(contact);
 133:                  db.SaveChanges();
 134:   
 135:                  result.AddSuccess(@"Contact """ + contact.FullName + @""" deleted. ");
 136:              }
 137:          }
 138:   
 139:          ////////////////////////////////////////////////////////////////////////////
 140:          ////////////////////////////////////////////////////////////////////////////
 141:      }
 142:   
 143:      ////////////////////////////////////////////////////////////////////////////
 144:      ////////////////////////////////////////////////////////////////////////////
 145:  }