Image Handling in Epub Import/export

backend/src/main/java/com/storycove/controller/CollectionController.java

@@ -6,6 +6,7 @@ import com.storycove.entity.CollectionStory;
 import com.storycove.entity.Story;
 import com.storycove.entity.Tag;
 import com.storycove.service.CollectionService;
+import com.storycove.service.EPUBExportService;
 import com.storycove.service.ImageService;
 import com.storycove.service.ReadingTimeService;
 import com.storycove.service.TypesenseService;
@@ -32,16 +33,19 @@ public class CollectionController {
     private final ImageService imageService;
     private final TypesenseService typesenseService;
     private final ReadingTimeService readingTimeService;
+    private final EPUBExportService epubExportService;
     
     @Autowired
     public CollectionController(CollectionService collectionService,
                               ImageService imageService,
                               @Autowired(required = false) TypesenseService typesenseService,
-                              ReadingTimeService readingTimeService) {
+                              ReadingTimeService readingTimeService,
+                              EPUBExportService epubExportService) {
         this.collectionService = collectionService;
         this.imageService = imageService;
         this.typesenseService = typesenseService;
         this.readingTimeService = readingTimeService;
+        this.epubExportService = epubExportService;
     }
     
     /**
@@ -310,6 +314,85 @@ public class CollectionController {
         }
     }
     
+    /**
+     * GET /api/collections/{id}/epub - Export collection as EPUB
+     */
+    @GetMapping("/{id}/epub")
+    public ResponseEntity<org.springframework.core.io.Resource> exportCollectionAsEPUB(@PathVariable UUID id) {
+        logger.info("Exporting collection {} to EPUB", id);
+        
+        try {
+            Collection collection = collectionService.findById(id);
+            List<Story> stories = collection.getCollectionStories().stream()
+                    .sorted((cs1, cs2) -> Integer.compare(cs1.getPosition(), cs2.getPosition()))
+                    .map(cs -> cs.getStory())
+                    .collect(java.util.stream.Collectors.toList());
+            
+            if (stories.isEmpty()) {
+                logger.warn("Collection {} contains no stories for export", id);
+                return ResponseEntity.badRequest()
+                    .body(null);
+            }
+            
+            EPUBExportRequest request = new EPUBExportRequest();
+            request.setIncludeCoverImage(true);
+            request.setIncludeMetadata(true);
+            request.setIncludeReadingPosition(false); // Collections don't have reading positions
+            
+            org.springframework.core.io.Resource resource = epubExportService.exportCollectionAsEPUB(id, request);
+            String filename = epubExportService.getCollectionEPUBFilename(collection);
+            
+            logger.info("Successfully exported collection EPUB: {}", filename);
+            
+            return ResponseEntity.ok()
+                .header("Content-Disposition", "attachment; filename=\"" + filename + "\"")
+                .header("Content-Type", "application/epub+zip")
+                .body(resource);
+                
+        } catch (Exception e) {
+            logger.error("Error exporting collection EPUB: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
+        }
+    }
+    
+    /**
+     * POST /api/collections/{id}/epub - Export collection as EPUB with custom options
+     */
+    @PostMapping("/{id}/epub")
+    public ResponseEntity<org.springframework.core.io.Resource> exportCollectionAsEPUBWithOptions(
+            @PathVariable UUID id, 
+            @Valid @RequestBody EPUBExportRequest request) {
+        logger.info("Exporting collection {} to EPUB with custom options", id);
+        
+        try {
+            Collection collection = collectionService.findById(id);
+            List<Story> stories = collection.getCollectionStories().stream()
+                    .sorted((cs1, cs2) -> Integer.compare(cs1.getPosition(), cs2.getPosition()))
+                    .map(cs -> cs.getStory())
+                    .collect(java.util.stream.Collectors.toList());
+            
+            if (stories.isEmpty()) {
+                logger.warn("Collection {} contains no stories for export", id);
+                return ResponseEntity.badRequest()
+                    .body(null);
+            }
+            
+            org.springframework.core.io.Resource resource = epubExportService.exportCollectionAsEPUB(id, request);
+            String filename = epubExportService.getCollectionEPUBFilename(collection);
+            
+            logger.info("Successfully exported collection EPUB with options: {}", filename);
+            
+            return ResponseEntity.ok()
+                .header("Content-Disposition", "attachment; filename=\"" + filename + "\"")
+                .header("Content-Type", "application/epub+zip")
+                .body(resource);
+                
+        } catch (Exception e) {
+            logger.error("Error exporting collection EPUB: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
+        }
+    }
+    
     // Mapper methods
     
     private CollectionDto mapToCollectionDto(Collection collection) {

backend/src/main/java/com/storycove/dto/EPUBImportRequest.java

@@ -31,6 +31,8 @@ public class EPUBImportRequest {
     
     private Boolean createMissingSeries = true;
     
+    private Boolean extractCover = true;
+    
     public EPUBImportRequest() {}
     
     public MultipartFile getEpubFile() {
@@ -120,4 +122,12 @@ public class EPUBImportRequest {
     public void setCreateMissingSeries(Boolean createMissingSeries) {
         this.createMissingSeries = createMissingSeries;
     }
+    
+    public Boolean getExtractCover() {
+        return extractCover;
+    }
+    
+    public void setExtractCover(Boolean extractCover) {
+        this.extractCover = extractCover;
+    }
 }

backend/src/main/java/com/storycove/service/EPUBExportService.java

@@ -1,6 +1,7 @@
 package com.storycove.service;
 
 import com.storycove.dto.EPUBExportRequest;
+import com.storycove.entity.Collection;
 import com.storycove.entity.ReadingPosition;
 import com.storycove.entity.Story;
 import com.storycove.repository.ReadingPositionRepository;
@@ -31,6 +32,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
+import java.util.stream.Collectors;
 
 @Service
 @Transactional
@@ -38,12 +40,15 @@ public class EPUBExportService {
     
     private final StoryService storyService;
     private final ReadingPositionRepository readingPositionRepository;
+    private final CollectionService collectionService;
     
     @Autowired
     public EPUBExportService(StoryService storyService,
-                           ReadingPositionRepository readingPositionRepository) {
+                           ReadingPositionRepository readingPositionRepository,
+                           CollectionService collectionService) {
         this.storyService = storyService;
         this.readingPositionRepository = readingPositionRepository;
+        this.collectionService = collectionService;
     }
     
     public Resource exportStoryAsEPUB(EPUBExportRequest request) throws IOException {
@@ -58,6 +63,26 @@ public class EPUBExportService {
         return new ByteArrayResource(outputStream.toByteArray());
     }
     
+    public Resource exportCollectionAsEPUB(UUID collectionId, EPUBExportRequest request) throws IOException {
+        Collection collection = collectionService.findById(collectionId);
+        List<Story> stories = collection.getCollectionStories().stream()
+                .sorted((cs1, cs2) -> Integer.compare(cs1.getPosition(), cs2.getPosition()))
+                .map(cs -> cs.getStory())
+                .collect(Collectors.toList());
+        
+        if (stories.isEmpty()) {
+            throw new ResourceNotFoundException("Collection contains no stories to export");
+        }
+        
+        Book book = createCollectionEPUBBook(collection, stories, request);
+        
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        EpubWriter epubWriter = new EpubWriter();
+        epubWriter.write(book, outputStream);
+        
+        return new ByteArrayResource(outputStream.toByteArray());
+    }
+    
     private Book createEPUBBook(Story story, EPUBExportRequest request) throws IOException {
         Book book = new Book();
         
@@ -72,6 +97,18 @@ public class EPUBExportService {
         return book;
     }
     
+    private Book createCollectionEPUBBook(Collection collection, List<Story> stories, EPUBExportRequest request) throws IOException {
+        Book book = new Book();
+        
+        setupCollectionMetadata(book, collection, stories, request);
+        
+        addCollectionCoverImage(book, collection, request);
+        
+        addCollectionContent(book, stories, request);
+        
+        return book;
+    }
+    
     private void setupMetadata(Book book, Story story, EPUBExportRequest request) {
         Metadata metadata = book.getMetadata();
         
@@ -375,6 +412,161 @@ public class EPUBExportService {
                       .replaceAll("\\s+", "_");
     }
     
+    private void setupCollectionMetadata(Book book, Collection collection, List<Story> stories, EPUBExportRequest request) {
+        Metadata metadata = book.getMetadata();
+        
+        String title = request.getCustomTitle() != null ? 
+                      request.getCustomTitle() : collection.getName();
+        metadata.addTitle(title);
+        
+        // Use collection creator as author, or combine story authors
+        String authorName = "Collection";
+        if (stories.size() == 1) {
+            Story story = stories.get(0);
+            authorName = story.getAuthor() != null ? story.getAuthor().getName() : "Unknown Author";
+        } else {
+            // For multiple stories, use "Various Authors" or collection name
+            authorName = "Various Authors";
+        }
+        
+        if (request.getCustomAuthor() != null) {
+            authorName = request.getCustomAuthor();
+        }
+        
+        metadata.addAuthor(new Author(authorName));
+        metadata.setLanguage(request.getLanguage() != null ? request.getLanguage() : "en");
+        metadata.addIdentifier(new Identifier("storycove-collection", collection.getId().toString()));
+        
+        // Create description from collection description and story list
+        StringBuilder description = new StringBuilder();
+        if (collection.getDescription() != null && !collection.getDescription().trim().isEmpty()) {
+            description.append(collection.getDescription()).append("\n\n");
+        }
+        
+        description.append("This collection contains ").append(stories.size()).append(" stories:\n");
+        for (int i = 0; i < stories.size() && i < 10; i++) {
+            Story story = stories.get(i);
+            description.append((i + 1)).append(". ").append(story.getTitle());
+            if (story.getAuthor() != null) {
+                description.append(" by ").append(story.getAuthor().getName());
+            }
+            description.append("\n");
+        }
+        if (stories.size() > 10) {
+            description.append("... and ").append(stories.size() - 10).append(" more stories.");
+        }
+        
+        metadata.addDescription(description.toString());
+        
+        if (request.getIncludeMetadata()) {
+            metadata.addDate(new Date(java.util.Date.from(
+                collection.getCreatedAt().atZone(java.time.ZoneId.systemDefault()).toInstant()
+            ), Date.Event.CREATION));
+            
+            // Add collection statistics to description
+            int totalWordCount = stories.stream().mapToInt(s -> s.getWordCount() != null ? s.getWordCount() : 0).sum();
+            description.append("\n\nTotal Word Count: ").append(totalWordCount);
+            description.append("\nGenerated by StoryCove on ")
+                      .append(LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
+            
+            metadata.addDescription(description.toString());
+        }
+    }
+    
+    private void addCollectionCoverImage(Book book, Collection collection, EPUBExportRequest request) {
+        if (!request.getIncludeCoverImage()) {
+            return;
+        }
+        
+        try {
+            // Try to use collection cover first
+            if (collection.getCoverImagePath() != null) {
+                Path coverPath = Paths.get(collection.getCoverImagePath());
+                if (Files.exists(coverPath)) {
+                    byte[] coverImageData = Files.readAllBytes(coverPath);
+                    String mimeType = Files.probeContentType(coverPath);
+                    if (mimeType == null) {
+                        mimeType = "image/jpeg";
+                    }
+                    
+                    nl.siegmann.epublib.domain.Resource coverResource = 
+                        new nl.siegmann.epublib.domain.Resource(coverImageData, "collection-cover.jpg");
+                    
+                    book.setCoverImage(coverResource);
+                    return;
+                }
+            }
+            
+            // TODO: Could generate a composite cover from story covers
+            // For now, skip cover if collection doesn't have one
+            
+        } catch (IOException e) {
+            // Skip cover image on error
+        }
+    }
+    
+    private void addCollectionContent(Book book, List<Story> stories, EPUBExportRequest request) {
+        // Create table of contents chapter
+        StringBuilder tocContent = new StringBuilder();
+        tocContent.append("<h1>Table of Contents</h1>\n<ul>\n");
+        
+        for (int i = 0; i < stories.size(); i++) {
+            Story story = stories.get(i);
+            tocContent.append("<li><a href=\"#story").append(i + 1).append("\">")
+                      .append(escapeHtml(story.getTitle()));
+            if (story.getAuthor() != null) {
+                tocContent.append(" by ").append(escapeHtml(story.getAuthor().getName()));
+            }
+            tocContent.append("</a></li>\n");
+        }
+        
+        tocContent.append("</ul>\n");
+        
+        String tocHtml = createChapterHTML("Table of Contents", tocContent.toString());
+        nl.siegmann.epublib.domain.Resource tocResource = 
+            new nl.siegmann.epublib.domain.Resource(tocHtml.getBytes(), "toc.html");
+        book.addSection("Table of Contents", tocResource);
+        
+        // Add each story as a chapter
+        for (int i = 0; i < stories.size(); i++) {
+            Story story = stories.get(i);
+            String storyContent = story.getContentHtml();
+            
+            if (storyContent == null) {
+                storyContent = story.getContentPlain() != null ? 
+                             "<p>" + story.getContentPlain().replace("\n", "</p><p>") + "</p>" : 
+                             "<p>No content available</p>";
+            }
+            
+            // Add story metadata header
+            StringBuilder storyHtml = new StringBuilder();
+            storyHtml.append("<div id=\"story").append(i + 1).append("\">\n");
+            storyHtml.append("<h1>").append(escapeHtml(story.getTitle())).append("</h1>\n");
+            if (story.getAuthor() != null) {
+                storyHtml.append("<p><em>by ").append(escapeHtml(story.getAuthor().getName())).append("</em></p>\n");
+            }
+            if (story.getDescription() != null && !story.getDescription().trim().isEmpty()) {
+                storyHtml.append("<div class=\"summary\">\n")
+                          .append("<p>").append(escapeHtml(story.getDescription())).append("</p>\n")
+                          .append("</div>\n");
+            }
+            storyHtml.append("<hr />\n");
+            storyHtml.append(fixHtmlForXhtml(storyContent));
+            storyHtml.append("</div>\n");
+            
+            String chapterTitle = story.getTitle();
+            if (story.getAuthor() != null) {
+                chapterTitle += " by " + story.getAuthor().getName();
+            }
+            
+            String html = createChapterHTML(chapterTitle, storyHtml.toString());
+            nl.siegmann.epublib.domain.Resource storyResource = 
+                new nl.siegmann.epublib.domain.Resource(html.getBytes(), "story" + (i + 1) + ".html");
+            
+            book.addSection(chapterTitle, storyResource);
+        }
+    }
+    
     public boolean canExportStory(UUID storyId) {
         try {
             Story story = storyService.findById(storyId);
@@ -383,4 +575,11 @@ public class EPUBExportService {
             return false;
         }
     }
+    
+    public String getCollectionEPUBFilename(Collection collection) {
+        StringBuilder filename = new StringBuilder();
+        filename.append(sanitizeFilename(collection.getName()));
+        filename.append("_collection.epub");
+        return filename.toString();
+    }
 }

backend/src/main/java/com/storycove/service/EPUBImportService.java

@@ -39,6 +39,7 @@ public class EPUBImportService {
     private final TagService tagService;
     private final ReadingPositionRepository readingPositionRepository;
     private final HtmlSanitizationService sanitizationService;
+    private final ImageService imageService;
     
     @Autowired
     public EPUBImportService(StoryService storyService,
@@ -46,13 +47,15 @@ public class EPUBImportService {
                            SeriesService seriesService,
                            TagService tagService,
                            ReadingPositionRepository readingPositionRepository,
-                           HtmlSanitizationService sanitizationService) {
+                           HtmlSanitizationService sanitizationService,
+                           ImageService imageService) {
         this.storyService = storyService;
         this.authorService = authorService;
         this.seriesService = seriesService;
         this.tagService = tagService;
         this.readingPositionRepository = readingPositionRepository;
         this.sanitizationService = sanitizationService;
+        this.imageService = imageService;
     }
     
     public EPUBImportResponse importEPUB(EPUBImportRequest request) {
@@ -126,6 +129,14 @@ public class EPUBImportService {
         story.setDescription(description);
         story.setContentHtml(sanitizationService.sanitize(content));
         
+        // Extract and process cover image
+        if (request.getExtractCover() == null || request.getExtractCover()) {
+            String coverPath = extractAndSaveCoverImage(book);
+            if (coverPath != null) {
+                story.setCoverPath(coverPath);
+            }
+        }
+        
         if (request.getAuthorId() != null) {
             try {
                 Author author = authorService.findById(request.getAuthorId());
@@ -155,13 +166,29 @@ public class EPUBImportService {
             }
         }
         
+        // Handle tags from request or extract from EPUB metadata
+        List<String> allTags = new ArrayList<>();
         if (request.getTags() != null && !request.getTags().isEmpty()) {
-            for (String tagName : request.getTags()) {
-                Tag tag = tagService.findOrCreate(tagName);
-                story.addTag(tag);
-            }
+            allTags.addAll(request.getTags());
         }
         
+        // Extract subjects/keywords from EPUB metadata
+        List<String> epubTags = extractTags(metadata);
+        if (epubTags != null && !epubTags.isEmpty()) {
+            allTags.addAll(epubTags);
+        }
+        
+        // Remove duplicates and create tags
+        allTags.stream()
+                .distinct()
+                .forEach(tagName -> {
+                    Tag tag = tagService.findOrCreate(tagName.trim());
+                    story.addTag(tag);
+                });
+        
+        // Extract additional metadata for potential future use
+        extractAdditionalMetadata(metadata, story);
+        
         return story;
     }
     
@@ -193,6 +220,70 @@ public class EPUBImportService {
         return null;
     }
     
+    private List<String> extractTags(Metadata metadata) {
+        List<String> tags = new ArrayList<>();
+        
+        // Extract subjects (main source of tags in EPUB)
+        List<String> subjects = metadata.getSubjects();
+        if (subjects != null && !subjects.isEmpty()) {
+            tags.addAll(subjects);
+        }
+        
+        // Extract keywords from meta tags
+        String keywords = metadata.getMetaAttribute("keywords");
+        if (keywords != null && !keywords.trim().isEmpty()) {
+            String[] keywordArray = keywords.split("[,;]");
+            for (String keyword : keywordArray) {
+                String trimmed = keyword.trim();
+                if (!trimmed.isEmpty()) {
+                    tags.add(trimmed);
+                }
+            }
+        }
+        
+        // Extract genre information
+        String genre = metadata.getMetaAttribute("genre");
+        if (genre != null && !genre.trim().isEmpty()) {
+            tags.add(genre.trim());
+        }
+        
+        return tags;
+    }
+    
+    private void extractAdditionalMetadata(Metadata metadata, Story story) {
+        // Extract language (could be useful for future i18n)
+        String language = metadata.getLanguage();
+        if (language != null && !language.trim().isEmpty()) {
+            // Store as metadata in story description if needed
+            // For now, we'll just log it for potential future use
+            System.out.println("EPUB Language: " + language);
+        }
+        
+        // Extract publisher information  
+        List<String> publishers = metadata.getPublishers();
+        if (publishers != null && !publishers.isEmpty()) {
+            String publisher = publishers.get(0);
+            // Could append to description or store separately in future
+            System.out.println("EPUB Publisher: " + publisher);
+        }
+        
+        // Extract publication date
+        List<nl.siegmann.epublib.domain.Date> dates = metadata.getDates();
+        if (dates != null && !dates.isEmpty()) {
+            for (nl.siegmann.epublib.domain.Date date : dates) {
+                System.out.println("EPUB Date (" + date.getEvent() + "): " + date.getValue());
+            }
+        }
+        
+        // Extract ISBN or other identifiers
+        List<nl.siegmann.epublib.domain.Identifier> identifiers = metadata.getIdentifiers();
+        if (identifiers != null && !identifiers.isEmpty()) {
+            for (nl.siegmann.epublib.domain.Identifier identifier : identifiers) {
+                System.out.println("EPUB Identifier (" + identifier.getScheme() + "): " + identifier.getValue());
+            }
+        }
+    }
+    
     private String extractContent(Book book) {
         StringBuilder contentBuilder = new StringBuilder();
         
@@ -274,6 +365,48 @@ public class EPUBImportService {
         }
     }
     
+    private String extractAndSaveCoverImage(Book book) {
+        try {
+            Resource coverResource = book.getCoverImage();
+            if (coverResource != null && coverResource.getData() != null) {
+                // Create a temporary MultipartFile from the EPUB cover data
+                byte[] imageData = coverResource.getData();
+                String mediaType = coverResource.getMediaType() != null ? 
+                    coverResource.getMediaType().toString() : "image/jpeg";
+                
+                // Determine file extension from media type
+                String extension = getExtensionFromMediaType(mediaType);
+                String filename = "epub_cover_" + System.currentTimeMillis() + "." + extension;
+                
+                // Create a custom MultipartFile implementation for the cover image
+                MultipartFile coverFile = new EPUBCoverMultipartFile(imageData, filename, mediaType);
+                
+                // Use ImageService to process and save the cover
+                return imageService.uploadImage(coverFile, ImageService.ImageType.COVER);
+            }
+        } catch (Exception e) {
+            // Log error but don't fail the import
+            System.err.println("Failed to extract cover image: " + e.getMessage());
+        }
+        return null;
+    }
+    
+    private String getExtensionFromMediaType(String mediaType) {
+        switch (mediaType.toLowerCase()) {
+            case "image/jpeg":
+            case "image/jpg":
+                return "jpg";
+            case "image/png":
+                return "png";
+            case "image/gif":
+                return "gif";
+            case "image/webp":
+                return "webp";
+            default:
+                return "jpg"; // Default fallback
+        }
+    }
+    
     private ReadingPositionDto convertToDto(ReadingPosition position) {
         if (position == null) return null;
         
@@ -324,4 +457,66 @@ public class EPUBImportService {
         
         return errors;
     }
+    
+    /**
+     * Custom MultipartFile implementation for EPUB cover images
+     */
+    private static class EPUBCoverMultipartFile implements MultipartFile {
+        private final byte[] data;
+        private final String filename;
+        private final String contentType;
+        
+        public EPUBCoverMultipartFile(byte[] data, String filename, String contentType) {
+            this.data = data;
+            this.filename = filename;
+            this.contentType = contentType;
+        }
+        
+        @Override
+        public String getName() {
+            return "coverImage";
+        }
+        
+        @Override
+        public String getOriginalFilename() {
+            return filename;
+        }
+        
+        @Override
+        public String getContentType() {
+            return contentType;
+        }
+        
+        @Override
+        public boolean isEmpty() {
+            return data == null || data.length == 0;
+        }
+        
+        @Override
+        public long getSize() {
+            return data != null ? data.length : 0;
+        }
+        
+        @Override
+        public byte[] getBytes() {
+            return data;
+        }
+        
+        @Override
+        public InputStream getInputStream() {
+            return new java.io.ByteArrayInputStream(data);
+        }
+        
+        @Override
+        public void transferTo(java.io.File dest) throws IOException {
+            try (java.io.FileOutputStream fos = new java.io.FileOutputStream(dest)) {
+                fos.write(data);
+            }
+        }
+        
+        @Override
+        public void transferTo(java.nio.file.Path dest) throws IOException {
+            java.nio.file.Files.write(dest, data);
+        }
+    }
 }

backend/src/main/java/com/storycove/service/StoryService.java

@@ -4,6 +4,7 @@ import com.storycove.entity.Author;
 import com.storycove.entity.Series;
 import com.storycove.entity.Story;
 import com.storycove.entity.Tag;
+import com.storycove.repository.ReadingPositionRepository;
 import com.storycove.repository.StoryRepository;
 import com.storycove.repository.TagRepository;
 import com.storycove.service.exception.DuplicateResourceException;
@@ -31,6 +32,7 @@ public class StoryService {
 
     private final StoryRepository storyRepository;
     private final TagRepository tagRepository;
+    private final ReadingPositionRepository readingPositionRepository;
     private final AuthorService authorService;
     private final TagService tagService;
     private final SeriesService seriesService;
@@ -40,6 +42,7 @@ public class StoryService {
     @Autowired
     public StoryService(StoryRepository storyRepository,
                        TagRepository tagRepository,
+                       ReadingPositionRepository readingPositionRepository,
                        AuthorService authorService,
                        TagService tagService,
                        SeriesService seriesService,
@@ -47,6 +50,7 @@ public class StoryService {
                        @Autowired(required = false) TypesenseService typesenseService) {
         this.storyRepository = storyRepository;
         this.tagRepository = tagRepository;
+        this.readingPositionRepository = readingPositionRepository;
         this.authorService = authorService;
         this.tagService = tagService;
         this.seriesService = seriesService;
@@ -432,6 +436,9 @@ public class StoryService {
     public void delete(UUID id) {
         Story story = findById(id);
         
+        // Clean up reading positions first (to avoid foreign key constraint violations)
+        readingPositionRepository.deleteByStoryId(id);
+        
         // Remove from series if part of one
         if (story.getSeries() != null) {
             story.getSeries().removeStory(story);