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8 changes: 5 additions & 3 deletions EFCoreFileManipulator.cs
Original file line number Diff line number Diff line change
Expand Up @@ -13,22 +13,24 @@ internal class EFCoreFileManipulator
static readonly Regex MigrationRegex = new Regex(@".*\[Migration\(""(?<MigrationName>.*)""\)\].*(\r\n|\r|\n)", RegexOptions.Compiled);
static readonly Regex DbContextRegex = new Regex(@".*\[DbContext\(typeof\((?<DBContextName>.*)\)\)\].*(\r\n|\r|\n)", RegexOptions.Compiled);
static readonly Regex LineBreakDetection = new Regex(@".*(?<LineBreakStyle>(\r\n|\r|\n))", RegexOptions.Compiled);

private readonly TaskLoggingHelper _taskLoggingHelper;

public EFCoreFileManipulator(TaskLoggingHelper taskLoggingHelper)
{
_taskLoggingHelper = taskLoggingHelper;
}

public void ProcessDirectory(DirectoryInfo directory, string namespaceName)
public void ProcessDirectory(DirectoryInfo directory, string namespaceName, int designerFileCountToKeep)
{
var filesToProcess = new List<(FileInfo MigrationFile, FileInfo DesignerFile)>();
foreach (var file in directory.EnumerateFiles("*.Designer.cs").OrderBy(x => x.Name))
foreach (var file in directory.EnumerateFiles("*.Designer.cs").OrderByDescending(x => x.Name).Skip(designerFileCountToKeep))
{
filesToProcess.Add((new FileInfo(file.FullName.Replace(".Designer.cs", ".cs")), file));
}

filesToProcess.Reverse();

foreach (var (migrationFile, designerFile) in filesToProcess)
{
if (!designerFile.Exists || !migrationFile.Exists)
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2 changes: 1 addition & 1 deletion EFCoreRemoveDesignerCompilationTask.cs
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ public override bool Execute()
{
var efCoreFileManipulator = new EFCoreFileManipulator(Log);
var directory = new DirectoryInfo(MigrationFilesPath);
efCoreFileManipulator.ProcessDirectory(directory, DBContextNamespace);
efCoreFileManipulator.ProcessDirectory(directory, DBContextNamespace, DesignerFileCountToKeep);

var latestFiles = directory.EnumerateFiles("*.Designer.cs").OrderByDescending(x => x.Name).Take(DesignerFileCountToKeep);
LatestDesignerFiles = latestFiles.Select(x => x.FullName).ToArray();
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