public StackResult Resolve(IEnumerable <FileSystemMetadata> files)
{
var result = new StackResult();
var resolver = new VideoResolver(_options);
var list = files
.Where(i => i.IsDirectory || (resolver.IsVideoFile(i.FullName) || resolver.IsStubFile(i.FullName)))
.OrderBy(i => i.FullName)
.ToList();
var expressions = _options.VideoFileStackingRegexes;
for (var i = 0; i < list.Count; i++)
{
var offset = 0;
var file1 = list[i];
var expressionIndex = 0;
while (expressionIndex < expressions.Length)
{
var exp = expressions[expressionIndex];
var stack = new FileStack();
// (Title)(Volume)(Ignore)(Extension)
var match1 = FindMatch(file1, exp, offset);
if (match1.Success)
{
var title1 = match1.Groups[1].Value;
var volume1 = match1.Groups[2].Value;
var ignore1 = match1.Groups[3].Value;
var extension1 = match1.Groups[4].Value;
var j = i + 1;
while (j < list.Count)
{
var file2 = list[j];
if (file1.IsDirectory != file2.IsDirectory)
{
j++;
continue;
}
// (Title)(Volume)(Ignore)(Extension)
var match2 = FindMatch(file2, exp, offset);
if (match2.Success)
{
var title2 = match2.Groups[1].Value;
var volume2 = match2.Groups[2].Value;
var ignore2 = match2.Groups[3].Value;
var extension2 = match2.Groups[4].Value;
if (string.Equals(title1, title2, StringComparison.OrdinalIgnoreCase))
{
if (!string.Equals(volume1, volume2, StringComparison.OrdinalIgnoreCase))
{
if (string.Equals(ignore1, ignore2, StringComparison.OrdinalIgnoreCase) &&
string.Equals(extension1, extension2, StringComparison.OrdinalIgnoreCase))
{
if (stack.Files.Count == 0)
{
stack.Name = title1 + ignore1;
stack.IsDirectoryStack = file1.IsDirectory;
stack.Files.Add(file1.FullName);
}
stack.Files.Add(file2.FullName);
}
else
{
// Sequel
offset = 0;
expressionIndex++;
break;
}
}
else if (!string.Equals(ignore1, ignore2, StringComparison.OrdinalIgnoreCase))
{
// False positive, try again with offset
offset = match1.Groups[3].Index;
break;
}
else
{
// Extension mismatch
offset = 0;
expressionIndex++;
break;
}
}
else
{
// Title mismatch
offset = 0;
expressionIndex++;
break;
}
}
else
{
// No match 2, next expression
offset = 0;
expressionIndex++;
break;
}
j++;
}
if (j == list.Count)
{
expressionIndex = expressions.Length;
}
}
else
{
// No match 1
offset = 0;
expressionIndex++;
}
if (stack.Files.Count > 1)
{
result.Stacks.Add(stack);
i += stack.Files.Count - 1;
break;
}
}
}
return(result);
}
/// <summary>
/// Resolves videos from paths.
/// </summary>
/// <param name="files">List of paths.</param>
/// <param name="namingOptions">The naming options.</param>
/// <returns>Enumerable <see cref="FileStack"/> of videos.</returns>
public static IEnumerable <FileStack> Resolve(IEnumerable <FileSystemMetadata> files, NamingOptions namingOptions)
{
var potentialFiles = files
.Where(i => i.IsDirectory || VideoResolver.IsVideoFile(i.FullName, namingOptions) || VideoResolver.IsStubFile(i.FullName, namingOptions))
.OrderBy(i => i.FullName);
var potentialStacks = new Dictionary <string, StackMetadata>();
foreach (var file in potentialFiles)
{
var name = file.Name;
if (string.IsNullOrEmpty(name))
{
name = Path.GetFileName(file.FullName);
}
for (var i = 0; i < namingOptions.VideoFileStackingRules.Length; i++)
{
var rule = namingOptions.VideoFileStackingRules[i];
if (!rule.Match(name, out var stackParsingResult))
{
continue;
}
var stackName = stackParsingResult.Value.StackName;
var partNumber = stackParsingResult.Value.PartNumber;
var partType = stackParsingResult.Value.PartType;
if (!potentialStacks.TryGetValue(stackName, out var stackResult))
{
stackResult = new StackMetadata(file.IsDirectory, rule.IsNumerical, partType);
potentialStacks[stackName] = stackResult;
}
if (stackResult.Parts.Count > 0)
{
if (stackResult.IsDirectory != file.IsDirectory ||
!string.Equals(partType, stackResult.PartType, StringComparison.OrdinalIgnoreCase) ||
stackResult.ContainsPart(partNumber))
{
continue;
}
if (rule.IsNumerical != stackResult.IsNumerical)
{
break;
}
}
stackResult.Parts.Add(partNumber, file);
break;
}
}
foreach (var(fileName, stack) in potentialStacks)
{
if (stack.Parts.Count < 2)
{
continue;
}
yield return(new FileStack(fileName, stack.IsDirectory, stack.Parts.Select(kv => kv.Value.FullName).ToArray()));
}
}
