public DirectorySynchronizerProgramm Prepare(Action<string> writelog = null) {
if(Source.noContent()) throw new InvalidOperationException("source is empty");
if(Target.noContent()) throw new InvalidOperationException("target is empty");
writelog = writelog ?? (s => {});
source = Source.normalizePath();
target = Target.normalizePath();
if(!Directory.Exists(source)) throw new InvalidOperationException("source directory not exists");
if(!Directory.Exists(target)) Directory.CreateDirectory(target);
sourcefiles = getFileDictionary(source);
targetfiles = getFileDictionary(target);
var result = new DirectorySynchronizerProgramm();
if(this.Behaviour.CreateNewFiles && !this.Behaviour.RewriteNewFiles) {
collectNewFiles(result, writelog);
}
if(this.Behaviour.UpdateOldFiles && !this.Behaviour.RewriteNewFiles) {
collectUpdates(result, writelog);
}
if(this.Behaviour.DeleteFiles) {
collectDeletes(result, writelog);
}
if(this.Behaviour.RewriteNewFiles) {
collectRewrites(result, writelog);
}
foreach (var task in result) {
task.Emulate = Behaviour.Emulate;
}
return result;
}
private void collectRewrites(DirectorySynchronizerProgramm result, Action<string> writelog) {
foreach (var sf in sourcefiles) {
var tf = adaptSourceNameToTarget(sf.Key);
var task = new DirectorySynchronizerTask
{
Command = DirectorySynchronizerCommandType.Create,
Source = sf.Key,
Target = tf
};
result.Add(task);
}
}
private void collectDeletes(DirectorySynchronizerProgramm result, Action<string> writelog) {
foreach (var tf in targetfiles) {
var sf = adaptTargetNameToSource(tf.Key);
if(!sourcefiles.ContainsKey(sf)) {
var task = new DirectorySynchronizerTask
{
Command = DirectorySynchronizerCommandType.Delete,
Source = tf.Key,
Target = tf.Key,
};
result.Add(task);
}
}
}
private void collectUpdates(DirectorySynchronizerProgramm result, Action<string> writelog) {
foreach (var sf in sourcefiles) {
var tf = adaptSourceNameToTarget(sf.Key);
if(targetfiles.ContainsKey(tf)) {
if(targetfiles[tf].LastWriteTime < sf.Value.LastWriteTime) {
var task = new DirectorySynchronizerTask
{
Command = DirectorySynchronizerCommandType.Update,
Source = sf.Key,
Target = tf
};
result.Add(task);
}
}
}
}
