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feat: move revision tracking to ExportRecord, add perceptual hash comparison, cut list modal, and auto-start API

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- Move Revision from Drawing to ExportRecord so each export captures its own revision snapshot
- Add Hamming distance comparison for perceptual hashes (tolerance of 10 bits) to avoid false revision bumps
- Replace CoenM.ImageHash with inline DifferenceHash impl (compatible with ImageSharp 3.x)
- Increase PDF render DPI from 72 to 150 for better hash fidelity
- Add download-dxfs-by-drawing endpoint for cross-export DXF zip downloads
- Prefix DXF filenames with equipment number when no drawing number is present
- Pass original filename to storage service for standalone part exports
- Auto-start FabWorks.Api from ExportDXF client if not already running
- Add cut list modal with copy-to-clipboard in the web UI
- Update PDF hash on existing export records after upload
- Bump static asset cache versions to v3

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-02-25 15:48:28 -05:00
parent f6cd91f1b5
commit b9e84de7c0
20 changed files with 803 additions and 50 deletions
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16
FabWorks.Api/Services/FileStorageService.cs
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@@ -16,7 +16,7 @@ namespace FabWorks.Api.Services
public interface IFileStorageService
{
string OutputFolder { get; }
Task<FileUploadResult> StoreDxfAsync(Stream stream, string equipment, string drawingNo, string itemNo, string contentHash);
Task<FileUploadResult> StoreDxfAsync(Stream stream, string equipment, string drawingNo, string itemNo, string contentHash, string originalFileName = null);
Task<FileUploadResult> StorePdfAsync(Stream stream, string equipment, string drawingNo, string contentHash, int? exportRecordId = null);
Stream OpenBlob(string contentHash, string extension);
bool BlobExists(string contentHash, string extension);
@@ -39,9 +39,9 @@ namespace FabWorks.Api.Services
Directory.CreateDirectory(blobRoot);
}
public async Task<FileUploadResult> StoreDxfAsync(Stream stream, string equipment, string drawingNo, string itemNo, string contentHash)
public async Task<FileUploadResult> StoreDxfAsync(Stream stream, string equipment, string drawingNo, string itemNo, string contentHash, string originalFileName = null)
{
var fileName = BuildDxfFileName(drawingNo, equipment, itemNo);
var fileName = BuildDxfFileName(drawingNo, equipment, itemNo, originalFileName);
// Look up previous hash by drawing number + item number
var drawingNumber = BuildDrawingNumber(equipment, drawingNo);
@@ -147,8 +147,16 @@ namespace FabWorks.Api.Services
return drawingNo ?? "";
}
private static string BuildDxfFileName(string drawingNo, string equipment, string itemNo)
private static string BuildDxfFileName(string drawingNo, string equipment, string itemNo, string originalFileName = null)
{
// No drawing number: use the original filename from the client
if (string.IsNullOrEmpty(drawingNo) && !string.IsNullOrEmpty(originalFileName))
{
return originalFileName.EndsWith(".dxf", StringComparison.OrdinalIgnoreCase)
? originalFileName
: originalFileName + ".dxf";
}
var drawingNumber = BuildDrawingNumber(equipment, drawingNo);
var paddedItem = (itemNo ?? "").PadLeft(2, '0');
if (!string.IsNullOrEmpty(drawingNumber) && !string.IsNullOrEmpty(itemNo))