/// <summary>
/// 画像ファイルの情報を読み込み、新規or変更されたレコードに追加
/// </summary>
/// <param name="file"></param>
/// <param name="library"></param>
/// <param name="prospectedTags"></param>
private void CheckImage(ImageFileInformation file,
IReadOnlyDictionary <string, Record> library,
ConcurrentDictionary <string, ConcurrentBag <TagManager> > prospectedTags)
{
if (file == null || file.IsNotFound)
{
return;
}
var newItemId = file.Path;
this.DetectedFiles.Add(newItemId);
Record existingItem;
var itemExists = library.TryGetValue(newItemId, out existingItem);
if (!itemExists ||
existingItem.DateModified < file.DateModified ||
existingItem.Size != file.Size)
{
var newItem = new Record(file.Path)
{
DateModified = file.DateModified,
DateCreated = file.DateCreated,
Height = file.Height,
Rating = file.Rating,
Width = file.Width,
Size = file.Size,
};
if (!itemExists || existingItem == null)
{
//新規
this.AddedFiles[newItemId] = newItem;
}
else
{
newItem.CopyAdditionalInformation(existingItem);
//更新
this.UpdatedFiles[newItemId] = newItem;
Debug.WriteLine($"updated : {newItemId}");
}
if (file.Keywords != null)
{
foreach (var tag in file.Keywords)
{
var bag = prospectedTags.GetOrAdd(tag, new ConcurrentBag <TagManager>());
bag.Add(newItem.TagSet);
}
}
}
else
{
this.SkippedFiles.Add(newItemId);
}
}
/// <summary>
/// 画像ファイルの情報を取得
/// </summary>
/// <param name="fullPath"></param>
/// <param name="level"></param>
/// <returns></returns>
public ImageFileInformation GetImage(string fullPath, PropertiesLevel level)
{
ImageFileInformation image = null;
var hasDecoration = true;
try
{
var name = System.IO.Path.GetFileName(fullPath);
var isUnknownType = false;
var width = 0;
var height = 0;
var length = 0L;
//画像ファイルのヘッダからサイズを抽出
if (level >= PropertiesLevel.Size)
{
var graphicInfo = new GraphicInformation(fullPath);
width = graphicInfo.GraphicSize.Width;
height = graphicInfo.GraphicSize.Height;
length = graphicInfo.FileSize;
isUnknownType = graphicInfo.Type == GraphicFileType.Unknown;
//タグ・評価を付加できないファイルの場合は情報読み取りをスキップ
if (graphicInfo.Type != GraphicFileType.Jpeg &&
graphicInfo.Type != GraphicFileType.Tiff &&
graphicInfo.Type != GraphicFileType.Psd &&
graphicInfo.Type != GraphicFileType.Unknown)
{
hasDecoration = false;
}
}
var creationTime = defaultDateTime;
var lastWriteTime = defaultDateTime;
//日付情報
if (level >= PropertiesLevel.Basic)
{
try
{
var file = new System.IO.FileInfo(fullPath);
creationTime = ImageFileUtility.ConvertDateTime(file.CreationTime);
lastWriteTime = ImageFileUtility.ConvertDateTime(file.LastWriteTime);
}
catch
{
//No operation
}
}
image = new ImageFileInformation()
{
DateCreated = creationTime,
DateModified = lastWriteTime,
Name = name,
Path = fullPath,
Height = height,
Width = width,
Size = length,
Rating = 0,
Keywords = null,
IsNotFound = isUnknownType,
};
}
catch
{
return(null);
}
if (image == null)
{
return(null);
}
var rating = 0;
HashSet <string> tags = null;
//画像の評価・キーワード(時間かかる)
if (level >= PropertiesLevel.Shell && hasDecoration)
{
try
{
var fileAccesser = this.GetFile(fullPath, image.Name);
var kw = fileAccesser.GetDetailsOf(18);
if (kw != null)
{
tags = new HashSet <string>(kw
.Split(';')
.Select(x => x.Trim())
.Where(x => x != null && x.Length > 0)
.Distinct());
}
rating = 0;
var rateText = fileAccesser.GetDetailsOf(19);
var rateArray = rateText?
.Select(x => x - '0')
.Where(x => x > 0 && x <= 5)
.ToArray();
if (rateArray != null && rateArray.Length == 1)
{
rating = RateConvertingHelper.Reverse(rateArray[0]);
}
}
catch
{
return(null);
}
}
image.Rating = rating;
image.Keywords = tags;
return(image);
}