/// <summary>
/// Pres the save.
/// </summary>
/// <param name="dbContext">The database context.</param>
/// <param name="entry">The entry.</param>
public override void PreSaveChanges(Data.DbContext dbContext, DbEntityEntry entry)
{
if (entry.State == EntityState.Deleted)
{
if (StorageProvider != null)
{
this.BinaryFileTypeId = entry.OriginalValues["BinaryFileTypeId"].ToString().AsInteger();
try
{
StorageProvider.DeleteContent(this);
}
catch (Exception ex)
{
// If an exception occurred while trying to delete provider's file, log the exception, but continue with the delete.
ExceptionLogService.LogException(ex);
}
this.BinaryFileTypeId = null;
}
}
else
{
if (BinaryFileType == null && BinaryFileTypeId.HasValue)
{
BinaryFileType = new BinaryFileTypeService(( RockContext )dbContext).Get(BinaryFileTypeId.Value);
}
if (this.MimeType.StartsWith("image/"))
{
try
{
using (Bitmap bm = new Bitmap(this.ContentStream))
{
if (bm != null)
{
this.Width = bm.Width;
this.Height = bm.Height;
}
}
ContentStream.Seek(0, SeekOrigin.Begin);
if (!IsTemporary)
{
if (BinaryFileType.MaxHeight.HasValue &&
BinaryFileType.MaxHeight != 0 &&
BinaryFileType.MaxWidth.HasValue &&
BinaryFileType.MaxWidth != 0)
{
ResizeSettings settings = new ResizeSettings();
MemoryStream resizedStream = new MemoryStream();
if (BinaryFileType.MaxWidth.Value < Width || BinaryFileType.MaxHeight < Height)
{
settings.Add("mode", "max");
if (BinaryFileType.MaxHeight < Height && BinaryFileType.MaxWidth < Width)
{
if (BinaryFileType.MaxHeight >= BinaryFileType.MaxWidth)
{
settings.Add("height", BinaryFileType.MaxHeight.Value.ToString());
}
if (BinaryFileType.MaxHeight <= BinaryFileType.MaxWidth)
{
settings.Add("width", BinaryFileType.MaxWidth.Value.ToString());
}
}
else if (BinaryFileType.MaxHeight < Height)
{
settings.Add("height", BinaryFileType.MaxHeight.Value.ToString());
}
else
{
settings.Add("width", BinaryFileType.MaxWidth.Value.ToString());
}
ImageBuilder.Current.Build(this.ContentStream, resizedStream, settings);
ContentStream = resizedStream;
using (Bitmap bm = new Bitmap(this.ContentStream))
{
if (bm != null)
{
this.Width = bm.Width;
this.Height = bm.Height;
}
}
}
}
}
}
catch (Exception) { } // if the file is an invalid photo keep moving
}
if (entry.State == EntityState.Added)
{
// when a file is saved (unless it is getting Deleted/Saved), it should use the StoredEntityType that is associated with the BinaryFileType
if (BinaryFileType != null)
{
// Persist the storage type
StorageEntityTypeId = BinaryFileType.StorageEntityTypeId;
// Persist the storage type's settings specific to this binary file type
var settings = new Dictionary <string, string>();
if (BinaryFileType.Attributes == null)
{
BinaryFileType.LoadAttributes();
}
foreach (var attributeValue in BinaryFileType.AttributeValues)
{
settings.Add(attributeValue.Key, attributeValue.Value.Value);
}
StorageEntitySettings = settings.ToJson();
if (StorageProvider != null)
{
// save the file to the provider's new storage medium, and if the medium returns a filesize, save that value.
long?outFileSize = null;
StorageProvider.SaveContent(this, out outFileSize);
if (outFileSize.HasValue)
{
FileSize = outFileSize;
}
Path = StorageProvider.GetPath(this);
}
}
}
else if (entry.State == EntityState.Modified)
{
// when a file is saved (unless it is getting Deleted/Added),
// it should use the StorageEntityType that is associated with the BinaryFileType
if (BinaryFileType != null)
{
// if the storage provider changed, or any of its settings specific
// to the binary file type changed, delete the original provider's content
if (StorageEntityTypeId.HasValue && BinaryFileType.StorageEntityTypeId.HasValue)
{
var settings = new Dictionary <string, string>();
if (BinaryFileType.Attributes == null)
{
BinaryFileType.LoadAttributes();
}
foreach (var attributeValue in BinaryFileType.AttributeValues)
{
settings.Add(attributeValue.Key, attributeValue.Value.Value);
}
string settingsJson = settings.ToJson();
if (StorageProvider != null && (
StorageEntityTypeId.Value != BinaryFileType.StorageEntityTypeId.Value ||
StorageEntitySettings != settingsJson))
{
var ms = new MemoryStream();
ContentStream.Position = 0;
ContentStream.CopyTo(ms);
ContentStream.Dispose();
// Delete the current provider's storage
StorageProvider.DeleteContent(this);
// Set the new storage provider with its settings
StorageEntityTypeId = BinaryFileType.StorageEntityTypeId;
StorageEntitySettings = settingsJson;
ContentStream = new MemoryStream();
ms.Position = 0;
ms.CopyTo(ContentStream);
ContentStream.Position = 0;
FileSize = ContentStream.Length;
}
}
}
if (_contentIsDirty && StorageProvider != null)
{
long?fileSize = null;
StorageProvider.SaveContent(this, out fileSize);
FileSize = fileSize;
Path = StorageProvider.GetPath(this);
}
}
}
base.PreSaveChanges(dbContext, entry);
}
/// <summary>
/// Pres the save.
/// </summary>
/// <param name="dbContext">The database context.</param>
/// <param name="entry">The entry.</param>
public override void PreSaveChanges(DbContext dbContext, System.Data.Entity.Infrastructure.DbEntityEntry entry)
{
if (entry.State == System.Data.Entity.EntityState.Deleted)
{
if (StorageProvider != null)
{
this.BinaryFileTypeId = entry.OriginalValues["BinaryFileTypeId"].ToString().AsInteger();
StorageProvider.DeleteContent(this);
this.BinaryFileTypeId = null;
}
}
else
{
if (BinaryFileType == null && BinaryFileTypeId.HasValue)
{
BinaryFileType = new BinaryFileTypeService((RockContext)dbContext).Get(BinaryFileTypeId.Value);
}
if (entry.State == System.Data.Entity.EntityState.Added)
{
// when a file is saved (unless it is getting Deleted/Saved), it should use the StoredEntityType that is associated with the BinaryFileType
if (BinaryFileType != null)
{
// Persist the storage type
StorageEntityTypeId = BinaryFileType.StorageEntityTypeId;
// Persist the storage type's settings specific to this binary file type
var settings = new Dictionary <string, string>();
if (BinaryFileType.Attributes == null)
{
BinaryFileType.LoadAttributes();
}
foreach (var attributeValue in BinaryFileType.AttributeValues)
{
settings.Add(attributeValue.Key, attributeValue.Value.Value);
}
StorageEntitySettings = settings.ToJson();
if (StorageProvider != null)
{
// save the file to the provider's new storage medium, and if the medium returns a filesize, save that value.
long?outFileSize = null;
StorageProvider.SaveContent(this, out outFileSize);
if (outFileSize.HasValue)
{
FileSize = outFileSize;
}
Path = StorageProvider.GetPath(this);
}
}
}
else if (entry.State == System.Data.Entity.EntityState.Modified)
{
// when a file is saved (unless it is getting Deleted/Added),
// it should use the StorageEntityType that is associated with the BinaryFileType
if (BinaryFileType != null)
{
// if the storage provider changed, or any of its settings specific
// to the binary file type changed, delete the original provider's content
if (StorageEntityTypeId.HasValue && BinaryFileType.StorageEntityTypeId.HasValue)
{
var settings = new Dictionary <string, string>();
if (BinaryFileType.Attributes == null)
{
BinaryFileType.LoadAttributes();
}
foreach (var attributeValue in BinaryFileType.AttributeValues)
{
settings.Add(attributeValue.Key, attributeValue.Value.Value);
}
string settingsJson = settings.ToJson();
if (StorageProvider != null && (
StorageEntityTypeId.Value != BinaryFileType.StorageEntityTypeId.Value ||
StorageEntitySettings != settingsJson))
{
// Save the file contents before deleting
var contentStream = ContentStream;
// Delete the current provider's storage
StorageProvider.DeleteContent(this);
// Set the new storage provider with its settings
StorageEntityTypeId = BinaryFileType.StorageEntityTypeId;
StorageEntitySettings = settingsJson;
ContentStream = contentStream;
}
}
}
if (_contentIsDirty && StorageProvider != null)
{
long?fileSize = null;
StorageProvider.SaveContent(this, out fileSize);
FileSize = fileSize;
Path = StorageProvider.GetPath(this);
}
}
}
base.PreSaveChanges(dbContext, entry);
}
