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Clarify processed merge audit CSV filenames

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This commit is contained in:
metacube
2026-06-11 11:08:54 +02:00
parent 957fdb7dc8
commit 2444a01fc7
6 changed files with 100 additions and 18 deletions
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TrafagSalesExporter/Services/ExportAuditCsvService.cs
+32 -11
View File
@@ -21,6 +21,8 @@ public interface IExportAuditCsvService
public sealed class ExportAuditCsvService : IExportAuditCsvService
{
private const char Delimiter = ';';
private const string ProcessedMergeInputFilePrefix = "Sales_ProcessedMergeInput_";
private const string LegacyFilePrefix = "Sales_";
private static readonly string[] Headers =
[
@@ -84,7 +86,7 @@ public sealed class ExportAuditCsvService : IExportAuditCsvService
Directory.CreateDirectory(directory);
var tsc = string.IsNullOrWhiteSpace(site.TSC) ? "UNKNOWN" : site.TSC.Trim();
var fileName = $"Sales_{SanitizeFileNamePart(tsc)}_{DateTime.UtcNow:yyyy-MM-dd}.csv";
var fileName = $"{ProcessedMergeInputFilePrefix}{SanitizeFileNamePart(tsc)}_{DateTime.UtcNow:yyyy-MM-dd}.csv";
var path = Path.Combine(directory, fileName);
await using var stream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read);
@@ -105,12 +107,16 @@ public sealed class ExportAuditCsvService : IExportAuditCsvService
if (!Directory.Exists(directory))
return [];
var latestFiles = Directory.EnumerateFiles(directory, "Sales_*.csv", SearchOption.TopDirectoryOnly)
.GroupBy(ResolveTscFromFileName, StringComparer.OrdinalIgnoreCase)
var latestFiles = EnumerateAuditCsvFiles(directory)
.Select(path => new { Path = path, Tsc = ResolveTscFromFileName(path) })
.Where(file => !string.IsNullOrWhiteSpace(file.Tsc))
.GroupBy(file => file.Tsc, StringComparer.OrdinalIgnoreCase)
.Select(group => group
.OrderByDescending(File.GetLastWriteTimeUtc)
.ThenByDescending(Path.GetFileName, StringComparer.OrdinalIgnoreCase)
.First())
.OrderByDescending(file => File.GetLastWriteTimeUtc(file.Path))
.ThenByDescending(file => IsProcessedMergeInputFile(file.Path))
.ThenByDescending(file => Path.GetFileName(file.Path), StringComparer.OrdinalIgnoreCase)
.First()
.Path)
.OrderBy(path => path, StringComparer.OrdinalIgnoreCase)
.ToList();
@@ -257,14 +263,29 @@ public sealed class ExportAuditCsvService : IExportAuditCsvService
private static string ResolveTscFromFileName(string path)
{
var name = Path.GetFileNameWithoutExtension(path);
if (!name.StartsWith("Sales_", StringComparison.OrdinalIgnoreCase))
return name;
if (name.StartsWith(ProcessedMergeInputFilePrefix, StringComparison.OrdinalIgnoreCase))
return ResolveTscFromSuffix(name[ProcessedMergeInputFilePrefix.Length..]);
var withoutPrefix = name["Sales_".Length..];
var lastUnderscore = withoutPrefix.LastIndexOf('_');
return lastUnderscore <= 0 ? withoutPrefix : withoutPrefix[..lastUnderscore];
if (name.StartsWith(LegacyFilePrefix, StringComparison.OrdinalIgnoreCase))
return ResolveTscFromSuffix(name[LegacyFilePrefix.Length..]);
return string.Empty;
}
private static string ResolveTscFromSuffix(string suffix)
{
var lastUnderscore = suffix.LastIndexOf('_');
return lastUnderscore <= 0 ? suffix : suffix[..lastUnderscore];
}
private static IEnumerable<string> EnumerateAuditCsvFiles(string directory)
=> Directory.EnumerateFiles(directory, $"{ProcessedMergeInputFilePrefix}*.csv", SearchOption.TopDirectoryOnly)
.Concat(Directory.EnumerateFiles(directory, $"{LegacyFilePrefix}*.csv", SearchOption.TopDirectoryOnly)
.Where(path => !IsProcessedMergeInputFile(path)));
private static bool IsProcessedMergeInputFile(string path)
=> Path.GetFileName(path).StartsWith(ProcessedMergeInputFilePrefix, StringComparison.OrdinalIgnoreCase);
private static string SanitizeFileNamePart(string value)
{
var invalid = Path.GetInvalidFileNameChars();