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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="EncodeBase.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// A Base Class for the Encode Services.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Services.Encode
{
using System;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using HandBrake.ApplicationServices.Interop.EventArgs;
using HandBrake.ApplicationServices.Model;
using HandBrakeWPF.Services.Encode.Interfaces;
using HandBrakeWPF.Utilities;
using EncodeCompletedEventArgs = HandBrakeWPF.Services.Encode.EventArgs.EncodeCompletedEventArgs;
using EncodeCompletedStatus = HandBrakeWPF.Services.Encode.Interfaces.EncodeCompletedStatus;
using EncodeProgessStatus = HandBrakeWPF.Services.Encode.Interfaces.EncodeProgessStatus;
using EncodeProgressEventArgs = HandBrakeWPF.Services.Encode.EventArgs.EncodeProgressEventArgs;
using EncodeTask = HandBrakeWPF.Services.Encode.Model.EncodeTask;
using GeneralApplicationException = HandBrakeWPF.Exceptions.GeneralApplicationException;
using ILog = HandBrakeWPF.Services.Logging.Interfaces.ILog;
using LogService = HandBrakeWPF.Services.Logging.LogService;
/// <summary>
/// A Base Class for the Encode Services.
/// </summary>
public class EncodeBase
{
/// <summary>
/// Initializes a new instance of the <see cref="EncodeBase"/> class.
/// </summary>
public EncodeBase()
{
}
#region Events
/// <summary>
/// Fires when a new QueueTask starts
/// </summary>
public event EventHandler EncodeStarted;
/// <summary>
/// Fires when a QueueTask finishes.
/// </summary>
public event EncodeCompletedStatus EncodeCompleted;
/// <summary>
/// Encode process has progressed
/// </summary>
public event EncodeProgessStatus EncodeStatusChanged;
#endregion
#region Properties
/// <summary>
/// Gets or sets a value indicating whether IsEncoding.
/// </summary>
public bool IsEncoding { get; protected set; }
#endregion
#region Invoke Events
/// <summary>
/// Invoke the Encode Status Changed Event.
/// </summary>
/// <param name="e">
/// The EncodeProgressEventArgs.
/// </param>
public void InvokeEncodeStatusChanged(EncodeProgressEventArgs e)
{
EncodeProgessStatus handler = this.EncodeStatusChanged;
handler?.Invoke(this, e);
}
/// <summary>
/// Invoke the Encode Completed Event
/// </summary>
/// <param name="e">
/// The EncodeCompletedEventArgs.
/// </param>
public void InvokeEncodeCompleted(EncodeCompletedEventArgs e)
{
EncodeCompletedStatus handler = this.EncodeCompleted;
handler?.Invoke(this, e);
}
/// <summary>
/// Invoke the Encode Started Event
/// </summary>
/// <param name="e">
/// The EventArgs.
/// </param>
public void InvokeEncodeStarted(System.EventArgs e)
{
EventHandler handler = this.EncodeStarted;
handler?.Invoke(this, e);
}
#endregion
#region Methods
/// <summary>
/// Save a copy of the log to the users desired location or a default location
/// if this feature is enabled in options.
/// </summary>
/// <param name="destination">
/// The Destination File Path
/// </param>
/// <param name="isPreview">
/// The is Preview.
/// </param>
/// <param name="configuration">
/// The configuration.
/// </param>
public string ProcessLogs(string destination, bool isPreview, HBConfiguration configuration)
{
try
{
string logDir = DirectoryUtilities.GetLogDirectory();
string encodeDestinationPath = Path.GetDirectoryName(destination);
string destinationFile = Path.GetFileName(destination);
string encodeLogFile = destinationFile + " " + DateTime.Now.ToString(CultureInfo.InvariantCulture).Replace("/", "-").Replace(":", "-") + ".txt";
ILog log = LogService.GetLogger();
string logContent = log.ActivityLog;
// Make sure the log directory exists.
if (!Directory.Exists(logDir))
{
Directory.CreateDirectory(logDir);
}
// Copy the Log to HandBrakes log folder in the users applciation data folder.
this.WriteFile(logContent, Path.Combine(logDir, encodeLogFile));
// Save a copy of the log file in the same location as the enocde.
if (configuration.SaveLogWithVideo)
{
this.WriteFile(logContent, Path.Combine(encodeDestinationPath, encodeLogFile));
}
// Save a copy of the log file to a user specified location
if (Directory.Exists(configuration.SaveLogCopyDirectory) && configuration.SaveLogToCopyDirectory)
{
this.WriteFile(logContent, Path.Combine(configuration.SaveLogCopyDirectory, encodeLogFile));
}
return Path.Combine(logDir, encodeLogFile);
}
catch (Exception exc)
{
Debug.WriteLine(exc); // This exception doesn't warrant user interaction, but it should be logged
}
return null;
}
/// <summary>
/// Verify the Encode Destination path exists and if not, create it.
/// </summary>
/// <param name="task">
/// The task.
/// </param>
/// <exception cref="Exception">
/// If the creation fails, an exception is thrown.
/// </exception>
protected void VerifyEncodeDestinationPath(EncodeTask task)
{
// Make sure the path exists, attempt to create it if it doesn't
try
{
string path = Directory.GetParent(task.Destination).ToString();
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
}
catch (Exception exc)
{
throw new GeneralApplicationException(
"Unable to create directory for the encoded output.", "Please verify that you have a valid path.", exc);
}
}
/// <summary>
/// The write file.
/// </summary>
/// <param name="content">
/// The content.
/// </param>
/// <param name="fileName">
/// The file name.
/// </param>
private void WriteFile(string content, string fileName)
{
try
{
using (StreamWriter fileWriter = new StreamWriter(fileName) { AutoFlush = true })
{
fileWriter.Write(content);
}
}
catch (Exception exc)
{
Debug.WriteLine(exc);
}
}
#endregion
}
}
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