mirror of
https://github.com/Theodor-Springmann-Stiftung/kgpz_web.git
synced 2025-10-29 09:05:30 +00:00
+Compressed IMG files
This commit is contained in:
Simon Martens
@@ -41,14 +41,16 @@ type IndividualPiecesByPage struct {
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}
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type IssuePage struct {
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PageNumber int
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ImagePath string
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Available bool
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GridColumn int // 1 or 2 for left/right positioning
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GridRow int // Row number in grid
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HasHeader bool // Whether this page has a double-spread header
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HeaderText string // Text for double-spread header
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PageIcon string // Icon type: "first", "last", "even", "odd"
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PageNumber int
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ImagePath string // Full-quality image path (prefers WebP over JPEG)
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PreviewPath string // Compressed WebP path for layout views
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JpegPath string // JPEG path for download button
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Available bool
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GridColumn int // 1 or 2 for left/right positioning
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GridRow int // Row number in grid
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HasHeader bool // Whether this page has a double-spread header
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HeaderText string // Text for double-spread header
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PageIcon string // Icon type: "first", "last", "even", "odd"
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}
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type IssueImages struct {
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@@ -58,13 +60,15 @@ type IssueImages struct {
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}
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type ImageFile struct {
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Year int
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Issue int
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Page int
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IsBeilage bool
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BeilageNo int
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Filename string
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Path string
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Year int
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Issue int
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Page int
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IsBeilage bool
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BeilageNo int
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Filename string
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Path string // Primary path (prefers WebP over JPEG)
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PreviewPath string // Path to compressed WebP version for layout views
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JpegPath string // Path to JPEG version (for download button)
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}
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type ImageRegistry struct {
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@@ -518,16 +522,30 @@ func LoadIssueImages(issue xmlmodels.Issue) (IssueImages, error) {
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if foundFile != nil {
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images.HasImages = true
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// Use preview path if available, otherwise fallback to original
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previewPath := foundFile.PreviewPath
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if previewPath == "" {
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previewPath = foundFile.Path
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}
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// Use JPEG path if available, otherwise fallback to primary
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jpegPath := foundFile.JpegPath
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if jpegPath == "" {
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jpegPath = foundFile.Path
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}
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images.MainPages = append(images.MainPages, IssuePage{
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PageNumber: page,
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ImagePath: foundFile.Path,
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Available: true,
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PageNumber: page,
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ImagePath: foundFile.Path,
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PreviewPath: previewPath,
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JpegPath: jpegPath,
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Available: true,
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})
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} else {
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images.MainPages = append(images.MainPages, IssuePage{
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PageNumber: page,
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ImagePath: "",
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Available: false,
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PageNumber: page,
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ImagePath: "",
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PreviewPath: "",
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JpegPath: "",
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Available: false,
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})
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}
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}
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@@ -539,10 +557,22 @@ func LoadIssueImages(issue xmlmodels.Issue) (IssueImages, error) {
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// Add ALL beilage files found for this issue
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for _, file := range beilageFiles {
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images.HasImages = true
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// Use preview path if available, otherwise fallback to original
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previewPath := file.PreviewPath
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if previewPath == "" {
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previewPath = file.Path
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}
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// Use JPEG path if available, otherwise fallback to primary
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jpegPath := file.JpegPath
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if jpegPath == "" {
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jpegPath = file.Path
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}
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beilagePages = append(beilagePages, IssuePage{
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PageNumber: file.Page,
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ImagePath: file.Path,
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Available: true,
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PageNumber: file.Page,
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ImagePath: file.Path,
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PreviewPath: previewPath,
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JpegPath: jpegPath,
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Available: true,
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})
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}
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@@ -573,7 +603,10 @@ func initImageRegistry() error {
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ByYearPage: make(map[string]ImageFile),
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}
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return filepath.Walk("pictures", func(path string, info os.FileInfo, err error) error {
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// Temporary map to collect all files by their base name (year-issue-page)
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tempFiles := make(map[string]*ImageFile)
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err := filepath.Walk("pictures", func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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@@ -583,14 +616,22 @@ func initImageRegistry() error {
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}
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filename := info.Name()
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filenamelower := strings.ToLower(filename)
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// Skip non-jpg files
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if !strings.HasSuffix(strings.ToLower(filename), ".jpg") {
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return nil
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// Only process .jpg and .webp files (but skip preview files)
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var nameWithoutExt string
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var isWebP bool
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if strings.HasSuffix(filenamelower, ".jpg") {
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nameWithoutExt = strings.TrimSuffix(filename, ".jpg")
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isWebP = false
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} else if strings.HasSuffix(filenamelower, ".webp") && !strings.HasSuffix(filenamelower, "-preview.webp") {
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nameWithoutExt = strings.TrimSuffix(filename, ".webp")
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isWebP = true
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} else {
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return nil // Skip non-image files and preview files
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}
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// Remove .jpg extension and split by -
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nameWithoutExt := strings.TrimSuffix(filename, ".jpg")
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parts := strings.Split(nameWithoutExt, "-")
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// Need at least 3 parts: year-issue-page
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@@ -624,26 +665,87 @@ func initImageRegistry() error {
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return nil
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}
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imageFile := ImageFile{
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Year: year,
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Issue: issue,
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Page: page,
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IsBeilage: isBeilage,
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BeilageNo: 1, // Default beilage number
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Filename: filename,
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Path: fmt.Sprintf("/static/pictures/%s", path[9:]), // Remove "pictures/" prefix
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// Create unique key for this image (handles both regular and beilage)
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var uniqueKey string
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if isBeilage {
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uniqueKey = fmt.Sprintf("%d-%db-%d", year, issue, page)
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} else {
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uniqueKey = fmt.Sprintf("%d-%d-%d", year, issue, page)
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}
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imageRegistry.Files = append(imageRegistry.Files, imageFile)
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// Get or create the ImageFile entry
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imageFile, exists := tempFiles[uniqueKey]
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if !exists {
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imageFile = &ImageFile{
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Year: year,
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Issue: issue,
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Page: page,
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IsBeilage: isBeilage,
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BeilageNo: 1, // Default beilage number
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}
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tempFiles[uniqueKey] = imageFile
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}
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yearIssueKey := fmt.Sprintf("%d-%d", year, issue)
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imageRegistry.ByYearIssue[yearIssueKey] = append(imageRegistry.ByYearIssue[yearIssueKey], imageFile)
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if !isBeilage {
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yearPageKey := fmt.Sprintf("%d-%d", year, page)
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imageRegistry.ByYearPage[yearPageKey] = imageFile
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// Set paths based on file type
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currentPath := fmt.Sprintf("/static/pictures/%s", path[9:]) // Remove "pictures/" prefix
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if isWebP {
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// WebP is the primary path for single page viewer
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imageFile.Path = currentPath
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imageFile.Filename = filename
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} else {
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// JPEG is the fallback path for download
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imageFile.JpegPath = currentPath
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// If no WebP path is set yet, use JPEG as primary
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if imageFile.Path == "" {
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imageFile.Path = currentPath
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imageFile.Filename = filename
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}
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}
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return nil
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})
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if err != nil {
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return err
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}
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// Second pass: set PreviewPath for each ImageFile by checking for preview files
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for _, imageFile := range tempFiles {
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// Extract the base name from the filename to preserve original format
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baseNameWithExt := imageFile.Filename
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var baseName string
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// Remove extension to get base name
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if strings.HasSuffix(strings.ToLower(baseNameWithExt), ".webp") {
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baseName = strings.TrimSuffix(baseNameWithExt, ".webp")
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} else if strings.HasSuffix(strings.ToLower(baseNameWithExt), ".jpg") {
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baseName = strings.TrimSuffix(baseNameWithExt, ".jpg")
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} else {
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baseName = baseNameWithExt
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}
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// Generate preview filename using the original base name format
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previewFilename := baseName + "-preview.webp"
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// Check if preview file exists
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previewFullPath := filepath.Join("pictures", fmt.Sprintf("%d", imageFile.Year), previewFilename)
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if _, err := os.Stat(previewFullPath); err == nil {
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imageFile.PreviewPath = fmt.Sprintf("/static/pictures/%d/%s", imageFile.Year, previewFilename)
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}
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}
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// Convert temp map to final registry structures
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for _, imageFile := range tempFiles {
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imageRegistry.Files = append(imageRegistry.Files, *imageFile)
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yearIssueKey := fmt.Sprintf("%d-%d", imageFile.Year, imageFile.Issue)
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imageRegistry.ByYearIssue[yearIssueKey] = append(imageRegistry.ByYearIssue[yearIssueKey], *imageFile)
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if !imageFile.IsBeilage {
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yearPageKey := fmt.Sprintf("%d-%d", imageFile.Year, imageFile.Page)
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imageRegistry.ByYearPage[yearPageKey] = *imageFile
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}
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}
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return nil
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}
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