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using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Tango.Integration.Observables
{
/// <summary>
/// Extends the standard observable Job class.
/// </summary>
/// <seealso cref="Tango.Integration.Observables.ObservableEntity{Tango.Integration.Observables.Job}" />
public partial class Job
{
/// <summary>
/// Initializes a new instance of the <see cref="Job"/> class.
/// </summary>
public Job(DateTime creationDate)
{
CreationDate = creationDate;
}
#region Events
/// <summary>
/// Occurs when the job total segments length has changed.
/// </summary>
public event EventHandler LengthChanged;
#endregion
#region Properties
/// <summary>
/// Gets the total job segments length.
/// </summary>
[NotMapped]
[JsonIgnore]
public double Length
{
get { return Segments.Sum(x => x.Length) + (EnableInterSegment ? (InterSegmentLength * (Segments.Count > 0 ? Segments.Count - 1 : Segments.Count)) : 0); }
}
#endregion
#region Event Handlers
/// <summary>
/// Handles the CollectionChanged event of the Segments collection.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Collections.Specialized.NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
private void Segments_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
foreach (var segment in Segments)
{
segment.PropertyChanged += Segment_PropertyChanged;
}
OnLengthChanged();
}
/// <summary>
/// Handles the PropertyChanged event of all job segments.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.ComponentModel.PropertyChangedEventArgs"/> instance containing the event data.</param>
private void Segment_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(Segment.Length))
{
OnLengthChanged();
}
}
#endregion
#region Virtual Methods
/// <summary>
/// Called when the <see cref="Length"/> property has been changed
/// </summary>
protected virtual void OnLengthChanged()
{
RaisePropertyChanged(nameof(Length));
LengthChanged?.Invoke(this, new EventArgs());
}
#endregion
#region Override Methods
/// <summary>
/// Raises the property changed event.
/// </summary>
/// <param name="propName">Name of the property.</param>
protected override void RaisePropertyChanged(string propName)
{
base.RaisePropertyChanged(propName);
if (propName == nameof(Segments))
{
if (Segments != null)
{
Segments.CollectionChanged -= Segments_CollectionChanged;
Segments.CollectionChanged += Segments_CollectionChanged;
OnLengthChanged();
}
}
if (propName == nameof(InterSegmentLength) || propName == nameof(EnableInterSegment))
{
OnLengthChanged();
}
}
/// <summary>
/// Saves the changes on this entity to database.
/// </summary>
public override void Save()
{
for (int i = 0; i < Segments.Count; i++)
{
Segments[i].SegmentIndex = i;
for (int j = 0; j < Segments[i].BrushStops.Count; j++)
{
Segments[i].BrushStops[j].StopIndex = j;
}
}
base.Save();
}
public override Job Clone()
{
Job cloned = base.Clone();
cloned.CreationDate = DateTime.UtcNow;
cloned.LastRun = null;
cloned.Segments = Segments.Select(x => x.Clone(cloned)).ToObservableCollection();
return cloned;
}
public override void DefferedDelete()
{
Segments.ToList().ForEach(x => x.DefferedDelete());
Segments.Clear();
base.DefferedDelete();
}
#endregion
}
}
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