public async Task<QuerySummary> QueryAsync(string sourcePath, bool recursive, QueryType queries, params MetaType[] types)
{
if (String.IsNullOrEmpty(sourcePath))
throw new ArgumentNullException(nameof(sourcePath));
if (!Directory.Exists(sourcePath))
throw new DirectoryNotFoundException(sourcePath);
if (queries == QueryType.None)
throw new ArgumentException("No queries given.");
Dictionary<string, IEnumerable<Tuple<string, QueryType>>> duplicates = new Dictionary<string, IEnumerable<Tuple<string, QueryType>>>();
Dictionary<string, string> md5sums = new Dictionary<string, string>();
Dictionary<string, string> sha1sums = new Dictionary<string, string>();
IEnumerable<MetaData> data = await GetMetaData(sourcePath, recursive, types);
foreach (MetaData item in data.Where(x => x.Type != MetaType.Directory && x.Type != MetaType.File))
{
List<Tuple<string, QueryType>> matches = new List<Tuple<string, QueryType>>();
foreach (MetaData other in data.Where(x => x.Type != MetaType.Directory && x.Type != MetaType.File && !x.Equals(item)))
{
QueryType match = QueryType.None;
bool equalFilename = Path.GetFileName(item.Path).Equals(Path.GetFileName(other.Path), StringComparison.Ordinal /* TODO: which type? */);
if (queries.HasFlag(QueryType.EqualFileName) && equalFilename)
match |= QueryType.EqualFileName;
if (queries.HasFlag(QueryType.EqualFileNameDifferentFileSize) && equalFilename)
{
if (item.Data[MetaKey.Size] != other.Data[MetaKey.Size])
match |= QueryType.EqualFileNameDifferentFileSize;
}
if (queries.HasFlag(QueryType.EqualChecksumMD5) || queries.HasFlag(QueryType.EqualFileNameDifferentChecksumMD5))
{
string md5item;
if (!md5sums.TryGetValue(item.Path, out md5item))
{
md5item = GetMD5(item.Path);
md5sums[item.Path] = md5item;
}
string md5other;
if (!md5sums.TryGetValue(other.Path, out md5other))
{
md5other = GetMD5(other.Path);
md5sums[other.Path] = md5other;
}
bool md5match = md5item.Equals(md5other, StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualChecksumMD5) && md5match)
match |= QueryType.EqualChecksumMD5;
if (queries.HasFlag(QueryType.EqualFileNameDifferentChecksumMD5) && equalFilename && !md5match)
match |= QueryType.EqualFileNameDifferentChecksumMD5;
}
if (queries.HasFlag(QueryType.EqualChecksumSHA1) || queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA1))
{
string sha1item;
if (!sha1sums.TryGetValue(item.Path, out sha1item))
{
sha1item = GetSHA1(item.Path);
sha1sums[item.Path] = sha1item;
}
string sha1other;
if (!sha1sums.TryGetValue(other.Path, out sha1other))
{
sha1other = GetSHA1(other.Path);
sha1sums[other.Path] = sha1other;
}
bool sha1match = sha1item.Equals(sha1other, StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualChecksumSHA1) && sha1match)
match |= QueryType.EqualChecksumSHA1;
if (queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA1) && equalFilename && !sha1match)
match |= QueryType.EqualFileNameDifferentChecksumSHA1;
}
if ((queries.HasFlag(QueryType.LowResolution) || queries.HasFlag(QueryType.EqualFileNameDifferentResolution)) && item.Data.ContainsKey(MetaKey.Resolution))
{
//const int limit = 960 * 1280;
const int resolutionLimit = 1024 * 768;
int resolutionItem = (int)item.Data[MetaKey.Width] * (int)item.Data[MetaKey.Height];
if (resolutionItem <= resolutionLimit)
match |= QueryType.LowResolution;
if (queries.HasFlag(QueryType.EqualFileNameDifferentResolution) && other.Data.ContainsKey(MetaKey.Resolution) && equalFilename)
{
int resolutionOther = (int)other.Data[MetaKey.Width] * (int)other.Data[MetaKey.Height];
if (resolutionItem != resolutionOther)
match |= QueryType.EqualFileNameDifferentResolution;
}
}
if (match != QueryType.None)
matches.Add(Tuple.Create(other.Path, match));
}
if (matches.Count > 0)
duplicates[item.Path] = matches;
}
QuerySummary result = new QuerySummary();
result.duplicates = duplicates;
return result;
}
public async Task <QuerySummary> QueryAsync(string sourcePath, bool recursive, QueryType queries, params MetaType[] types)
{
if (String.IsNullOrEmpty(sourcePath))
{
throw new ArgumentNullException(nameof(sourcePath));
}
if (!Directory.Exists(sourcePath))
{
throw new DirectoryNotFoundException(sourcePath);
}
if (queries == QueryType.None)
{
throw new ArgumentException("No queries given.");
}
Dictionary <string, IEnumerable <Tuple <string, QueryType> > > allMatches = new Dictionary <string, IEnumerable <Tuple <string, QueryType> > >();
Dictionary <string, string> md5sums = new Dictionary <string, string>();
Dictionary <string, string> sha1sums = new Dictionary <string, string>();
Dictionary <string, string> sha256sums = new Dictionary <string, string>();
IEnumerable <MetaData> data = await GetMetaData(sourcePath, recursive, types);
foreach (MetaData item in data.Where(x => x.Type != MetaType.Directory && x.Type != MetaType.File))
{
List <Tuple <string, QueryType> > matches = new List <Tuple <string, QueryType> >();
foreach (MetaData other in data.Where(x => x.Type != MetaType.Directory && x.Type != MetaType.File && !x.Equals(item)))
{
QueryType match = QueryType.None;
bool equalFilename = Path.GetFileName(item.Path).Equals(Path.GetFileName(other.Path), StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualFileName) && equalFilename)
{
match |= QueryType.EqualFileName;
}
if (queries.HasFlag(QueryType.EqualFileNameDifferentFileSize) && equalFilename)
{
if (RequireMetaKey(MetaKey.Size, item, other))
{
if (item.Data[MetaKey.Size] != other.Data[MetaKey.Size])
{
match |= QueryType.EqualFileNameDifferentFileSize;
}
}
}
if (queries.HasFlag(QueryType.EqualChecksumMD5) || queries.HasFlag(QueryType.EqualFileNameDifferentChecksumMD5))
{
string md5item;
if (!md5sums.TryGetValue(item.Path, out md5item))
{
using (FileStream fileStream = File.OpenRead(item.Path))
md5item = fileStream.GetMD5Sum();
md5sums[item.Path] = md5item;
}
string md5other;
if (!md5sums.TryGetValue(other.Path, out md5other))
{
using (FileStream fileStream = File.OpenRead(other.Path))
md5other = fileStream.GetMD5Sum();
md5sums[other.Path] = md5other;
}
bool md5match = md5item.Equals(md5other, StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualChecksumMD5) && md5match)
{
match |= QueryType.EqualChecksumMD5;
}
if (queries.HasFlag(QueryType.EqualFileNameDifferentChecksumMD5) && equalFilename && !md5match)
{
match |= QueryType.EqualFileNameDifferentChecksumMD5;
}
}
if (queries.HasFlag(QueryType.EqualChecksumSHA1) || queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA1))
{
string sha1item;
if (!sha1sums.TryGetValue(item.Path, out sha1item))
{
using (FileStream fileStream = File.OpenRead(item.Path))
sha1item = fileStream.GetSHA1Sum();
sha1sums[item.Path] = sha1item;
}
string sha1other;
if (!sha1sums.TryGetValue(other.Path, out sha1other))
{
using (FileStream fileStream = File.OpenRead(other.Path))
sha1other = fileStream.GetSHA1Sum();
sha1sums[other.Path] = sha1other;
}
bool sha1match = sha1item.Equals(sha1other, StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualChecksumSHA1) && sha1match)
{
match |= QueryType.EqualChecksumSHA1;
}
if (queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA1) && equalFilename && !sha1match)
{
match |= QueryType.EqualFileNameDifferentChecksumSHA1;
}
}
if (queries.HasFlag(QueryType.EqualChecksumSHA256) || queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA256))
{
string sha256item;
if (!sha256sums.TryGetValue(item.Path, out sha256item))
{
using (FileStream fileStream = File.OpenRead(item.Path))
sha256item = fileStream.GetSHA256Sum();
sha256sums[item.Path] = sha256item;
}
string sha256other;
if (!sha256sums.TryGetValue(other.Path, out sha256other))
{
using (FileStream fileStream = File.OpenRead(other.Path))
sha256other = fileStream.GetSHA256Sum();
sha256sums[other.Path] = sha256other;
}
bool sha256match = sha256item.Equals(sha256other, StringComparison.Ordinal);
if (queries.HasFlag(QueryType.EqualChecksumSHA256) && sha256match)
{
match |= QueryType.EqualChecksumSHA256;
}
if (queries.HasFlag(QueryType.EqualFileNameDifferentChecksumSHA256) && equalFilename && !sha256match)
{
match |= QueryType.EqualFileNameDifferentChecksumSHA256;
}
}
if (queries.HasFlag(QueryType.LowResolution) || queries.HasFlag(QueryType.EqualFileNameDifferentResolution))
{
if (RequireMetaKey(MetaKey.Width, item) && RequireMetaKey(MetaKey.Height, item))
{
//const int limit = 960 * 1280;
const int resolutionLimit = 1024 * 768;
int resolutionItem = (int)item.Data[MetaKey.Width] * (int)item.Data[MetaKey.Height];
if (queries.HasFlag(QueryType.LowResolution) && resolutionItem <= resolutionLimit)
{
match |= QueryType.LowResolution;
}
if (queries.HasFlag(QueryType.EqualFileNameDifferentResolution) && equalFilename)
{
if (RequireMetaKey(MetaKey.Width, other) && RequireMetaKey(MetaKey.Height, other))
{
int resolutionOther = (int)other.Data[MetaKey.Width] * (int)other.Data[MetaKey.Height];
if (resolutionItem != resolutionOther)
{
match |= QueryType.EqualFileNameDifferentResolution;
}
}
}
}
}
if (match != QueryType.None)
{
matches.Add(Tuple.Create(other.Path, match));
}
}
if (matches.Count > 0)
{
allMatches[item.Path] = CleanupMatches(matches);
}
}
QuerySummary result = new QuerySummary();
result.matches = allMatches;
return(result);
}