Thirdshop/Kazier
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V3 version with backward comp

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m
2026-07-28 18:12:56 +02:00
parent 7713835739
commit bd6e7c38f9
48 changed files with 3685 additions and 1344 deletions
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backend/internal/service/conversion.go
+28 -27
View File
@@ -17,9 +17,9 @@ import (
)
type ConversionJob struct {
FileID string
FilePath string
MimeType string
ResourceID string
FilePath string
MimeType string
}
type ConversionService struct {
@@ -46,9 +46,9 @@ func (s *ConversionService) Stop() {
log.Println("[Conversion] Worker stopped")
}
func (s *ConversionService) Enqueue(fileID, filePath, mimeType string) {
s.jobs <- ConversionJob{FileID: fileID, FilePath: filePath, MimeType: mimeType}
log.Printf("[Conversion] Enqueued file %s", fileID)
func (s *ConversionService) Enqueue(resourceID, filePath, mimeType string) {
s.jobs <- ConversionJob{ResourceID: resourceID, FilePath: filePath, MimeType: mimeType}
log.Printf("[Conversion] Enqueued resource %s", resourceID)
}
func (s *ConversionService) worker() {
@@ -58,7 +58,7 @@ func (s *ConversionService) worker() {
}
func (s *ConversionService) process(job ConversionJob) {
log.Printf("[Conversion] Processing file %s (mime: %s)", job.FileID, job.MimeType)
log.Printf("[Conversion] Processing resource %s (mime: %s)", job.ResourceID, job.MimeType)
pdfPath := job.FilePath
tmpDir := ""
@@ -67,18 +67,18 @@ func (s *ConversionService) process(job ConversionJob) {
var err error
pdfPath, tmpDir, err = s.convertToPDF(job.FilePath)
if err != nil {
log.Printf("[Conversion] Failed to convert file %s to PDF: %v", job.FileID, err)
log.Printf("[Conversion] Failed to convert resource %s to PDF: %v", job.ResourceID, err)
return
}
defer os.RemoveAll(tmpDir)
} else if !isPDF(job.MimeType) {
log.Printf("[Conversion] Skipping file %s: unsupported mime type %s", job.FileID, job.MimeType)
log.Printf("[Conversion] Skipping resource %s: unsupported mime type %s", job.ResourceID, job.MimeType)
return
}
thumbDir := filepath.Join(s.cfg.ThumbnailDir, job.FileID)
thumbDir := filepath.Join(s.cfg.ThumbnailDir, job.ResourceID)
if err := os.MkdirAll(thumbDir, 0o755); err != nil {
log.Printf("[Conversion] Failed to create thumbnail dir for %s: %v", job.FileID, err)
log.Printf("[Conversion] Failed to create thumbnail dir for %s: %v", job.ResourceID, err)
return
}
@@ -86,14 +86,14 @@ func (s *ConversionService) process(job ConversionJob) {
label string
dpi int
}{
{"thumbnail", 21},
{"full", 200},
{"thumbnail_small", 21},
{"thumbnail_full", 200},
}
for _, res := range resolutions {
pages, err := s.convertPDFToImages(pdfPath, thumbDir, res.dpi)
if err != nil {
log.Printf("[Conversion] Failed to convert file %s to images (res=%s): %v", job.FileID, res.label, err)
log.Printf("[Conversion] Failed to convert resource %s to images (res=%s): %v", job.ResourceID, res.label, err)
continue
}
@@ -104,32 +104,33 @@ func (s *ConversionService) process(job ConversionJob) {
width, height = 0, 0
}
thumbUUID := uuid.New().String()
dstPath := filepath.Join(thumbDir, thumbUUID+".jpg")
dstPath := filepath.Join(thumbDir, uuid.New().String()+".jpg")
if err := os.Rename(page.path, dstPath); err != nil {
log.Printf("[Conversion] Failed to move %s to %s: %v", page.path, dstPath, err)
continue
}
_, err = s.queries.CreateThumbnail(context.Background(), db.CreateThumbnailParams{
FileID: job.FileID,
PageNumber: int32(page.number),
ResolutionLabel: res.label,
Width: int32(width),
Height: int32(height),
StorageKey: dstPath,
MimeType: "image/jpeg",
resourceUUID, _ := uuid.Parse(job.ResourceID)
_, err = s.queries.CreateResourceVariant(context.Background(), db.CreateResourceVariantParams{
ResourceID: resourceUUID,
VariantType: res.label,
PageNumber: int32(page.number),
Width: int32(width),
Height: int32(height),
MimeType: "image/jpeg",
GeneratedBy: "server",
StorageKey: dstPath,
})
if err != nil {
log.Printf("[Conversion] Failed to create thumbnail record for file %s page %d: %v", job.FileID, page.number, err)
log.Printf("[Conversion] Failed to create variant record for resource %s page %d: %v", job.ResourceID, page.number, err)
continue
}
}
log.Printf("[Conversion] Generated %d %s images for file %s", len(pages), res.label, job.FileID)
log.Printf("[Conversion] Generated %d %s images for resource %s", len(pages), res.label, job.ResourceID)
}
log.Printf("[Conversion] Completed file %s", job.FileID)
log.Printf("[Conversion] Completed resource %s", job.ResourceID)
}
func (s *ConversionService) convertToPDF(inputPath string) (string, string, error) {