public bool FileNamesMatch(FileVersion compareTo) => Name?.Equals(compareTo?.Name, StringComparison.OrdinalIgnoreCase) == true && Path?.Equals(compareTo?.Path, StringComparison.OrdinalIgnoreCase) == true;
/// <summary>
/// Updates a group of FileVersions if they have changed compared to what is currently held in the Files collection.
/// </summary>
/// <param name="fileGroup">The name of the file group to update.</param>
/// <param name="latestVersions">The list of file versions to add or update.</param>
/// <returns>True if changes were made; otherwise, false.</returns>
public bool SetVersions(string fileGroup, FileVersion[] latestVersions)
{
Debug.WriteLine("SetVersions");
bool scriptVersionsUpdated = false;
FileVersion[] oldVersions = null;
if (Files.TryGetValue(fileGroup, out oldVersions))
{
FileVersion[] updateVersions = oldVersions;
// re-dimension to hold the correct number
if (updateVersions.Length != latestVersions.Length)
{
scriptVersionsUpdated = true;
updateVersions = new FileVersion[latestVersions.Length];
}
for (int j = 0; j < latestVersions.Length; j++)
{
FileVersion latestVersion = latestVersions[j];
// look for an existing entry for the file
bool foundOldVersion = false;
for (int k = 0; k < oldVersions.Length; k++)
{
var oldVersion = oldVersions[k];
if (oldVersion.FileNamesMatch(latestVersion))
{
foundOldVersion = true;
// default case is to compare hashes and then update the version
if (oldVersion.Hash != latestVersion.Hash)
{
Debug.WriteLine("Old hash does not match new hash. Incrementing version - {0} - {1} - v{2} != {3} - v{4}",
oldVersion.Name,
oldVersion.Hash,
oldVersion.Version,
latestVersion.Hash,
latestVersion.Version);
// if the version supplied is not greater than the existing version, then increment the existing one
if (oldVersion.Version >= latestVersion.Version)
{
updateVersions[j] = oldVersion.IncrementVersion(latestVersion.Hash);
}
else // otherwise, use the new version that was supplied
{
updateVersions[j] = latestVersion.CloneWithVersion(latestVersion.Version);
}
updateVersions[j] = oldVersion.IncrementVersion(latestVersion.Hash);
scriptVersionsUpdated = true;
}
// allow version numbers to be updated if requested
else if (oldVersion.Version != latestVersion.Version)
{
Debug.WriteLine("Version numbers do not match. Updating version - {0} - v{1} != v{2}",
oldVersion.Name,
oldVersion.Version,
latestVersion.Version);
updateVersions[j] = latestVersion.CloneWithVersion(latestVersion.Version);
scriptVersionsUpdated = true;
}
else
{
Debug.WriteLine("Old hash matches new hash - {0} - {1}", oldVersion.Name, oldVersion.Hash);
updateVersions[j] = oldVersion;
}
}
}
if (!foundOldVersion)
{
Debug.WriteLine("SetVersions - old version not found so adding new entry - {0} - {1}", latestVersions[j].Name, latestVersions[j].Version);
scriptVersionsUpdated = true;
updateVersions[j] = latestVersions[j].CloneWithVersion(1);
}
}
Files[fileGroup] = updateVersions;
}
else
{
FileVersion[] clone = new FileVersion[latestVersions.Length];
for (int i = 0; i < latestVersions.Length; i++)
{
clone[i] = latestVersions[i].CloneWithVersion(1);
}
Files[fileGroup] = clone;
scriptVersionsUpdated = true;
}
if (scriptVersionsUpdated)
{
LastUpdated = DateTimeOffset.Now;
}
return(scriptVersionsUpdated);
}