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path: root/Software/Visual_Studio/Tango.BL/ValueObjects/ActionLogDifferenceValue.cs
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using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.BL.ValueObjects
{
    /// <summary>
    /// Represents an ActionLog difference node value comparison.
    /// </summary>
    /// <seealso cref="Tango.BL.ValueObjects.ActionLogDifference" />
    public class ActionLogDifferenceValue : ActionLogDifference
    {
        /// <summary>
        /// Gets or sets the node value before the change.
        /// </summary>
        public Object Before { get; set; }

        /// <summary>
        /// Gets or sets the node value after the change.
        /// </summary>
        public Object After { get; set; }

        /// <summary>
        /// Gets a value indicating whether before and after values are different.
        /// </summary>
        [JsonIgnore]
        public override bool HasDifference
        {
            get { return Before != After; }
        }

        /// <summary>
        /// Returns a <see cref="System.String" /> that represents this instance.
        /// </summary>
        /// <returns>
        /// A <see cref="System.String" /> that represents this instance.
        /// </returns>
        public override string ToString()
        {
            return $"{Name}: Before: {Before} != After: {After}";
        }
    }
}
n">Tango.SharedUI.Helpers; using Tango.PPC.Common.Authentication; using Tango.BL.Entities; using Tango.BL.Enumerations; using Tango.Logging; using Tango.PPC.UI.Views; namespace Tango.PPC.UI.ViewModels { /// <summary> /// Represents the PPC login view ViewModel. /// </summary> /// <seealso cref="Tango.PPC.Common.PPCViewModel" /> public class LoginViewVM : PPCViewModel { public RelayCommand LoginCommand { get; set; } #region Properties private String _email; /// <summary> /// Gets or sets the email. /// </summary> [Required(ErrorMessage = "Email is required")] [EmailAddress(ErrorMessage = "Please enter a valid email address")] public String Email { get { return _email; } set { _email = value; RaisePropertyChangedAuto(); } } private String _password; /// <summary> /// Gets or sets the password. /// </summary> [Required(ErrorMessage = "Password is required")] public String Password { get { return _password; } set { _password = value; RaisePropertyChangedAuto(); } } private bool _isLoading; /// <summary> /// Gets or sets a value indicating whether the application is busy with loading modules. /// </summary> public bool IsLoading { get { return _isLoading; } set { _isLoading = value; RaisePropertyChangedAuto(); } } #endregion #region Constructors /// <summary> /// Initializes a new instance of the <see cref="LoginViewVM"/> class. /// </summary> public LoginViewVM() { LoginCommand = new RelayCommand(Login); Email = "roy@twine-s.com"; Password = "1234"; } #endregion #region Override Methods /// <summary> /// Called when the application has been started. /// </summary> public override void OnApplicationStarted() { AuthenticationProvider.CurrentUserChanged += AuthenticationProvider_CurrentUserChanged; } public override async void OnApplicationReady() { base.OnApplicationReady(); await Task.Delay(500); if (!AuthenticationProvider.AuthenticationRequired) { LogManager.Log("Application is ready! Navigating to home module..."); if (BuildProvider.IsEureka) { var secondsPassed = (DateTime.Now - LoadingView.VideoStartTime).TotalSeconds; var secondsToHold = Math.Max(10 - secondsPassed, 0); await Task.Delay(TimeSpan.FromSeconds(secondsToHold)); } await NavigationManager.NavigateTo(NavigationView.HomeModule); IsLoading = false; } else if (AuthenticationProvider.CurrentUser != null && AuthenticationProvider.CurrentUser.HasPermission(Permissions.RunPPC)) { LogManager.Log("Application is ready! Navigating to home module..."); await NavigationManager.NavigateTo(NavigationView.HomeModule); IsLoading = false; } else { LogManager.Log("Application is ready! The logged in user does not have permission to run the application!", LogCategory.Warning); await NavigationManager.NavigateTo(NavigationView.NoPermissionsView); IsLoading = false; } } #endregion #region Event Handlers /// <summary> /// Handles the <see cref="IAuthenticationProvider.CurrentUserChanged"/> event. /// </summary> /// <param name="sender">The sender.</param> /// <param name="user">The user.</param> private void AuthenticationProvider_CurrentUserChanged(object sender, User user) { if (user == null) { Password = String.Empty; } } #endregion #region Private Methods /// <summary> /// Login to the application using the user name and password. /// </summary> private async void Login() { LogManager.Log("Login command pressed."); if (Validate()) { IsLoading = true; UIHelper.DoEvents(); var user = await AuthenticationProvider.Login(Email, Password); if (user == null) { IsLoading = false; await NotificationProvider.ShowWarning("Email or password are incorrect."); } } else { LogManager.Log("Invalid user credentials."); } } #endregion } }