julia/osdb-1-claude-opusplan
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feat: fruit overview with thumbnails and card layout (story #07)

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- Auto-crop thumbnails on image upload (Go stdlib, no external deps):
  find non-background bounding box, pad 5px, scale to ≤300px, encode JPEG
- Add thumbnail_data BYTEA column to fruit_images and publication_fruit_images
- New GET /api/v1/fruits/:id/images/:imageId/thumbnail endpoint (fallback to full data)
- New GET /api/v1/publications/:id/fruit-images/:imgId/thumbnail endpoint
- New POST /api/v1/admin/backfill-thumbnails to retroactively generate thumbnails
- ListFruits response now includes synonyms and thumbnail_url per fruit
- Replace FruitList table with responsive FruitCard grid (thumbnail + name + OSDB ID + type + synonyms)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
julia
2026-06-19 09:02:14 +02:00
co-authored by Claude Sonnet 4.6
parent 2525e8b68d
commit 649c9687ac
17 changed files with 591 additions and 48 deletions
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backend/internal/handler/publication_handler.go
+18
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@@ -42,6 +42,7 @@ type PublicationRepository interface {
ListFruitImages(ctx context.Context, pubID int) ([]domain.PublicationFruitImage, error)
AddFruitImage(ctx context.Context, pubID, fruitID int, filename *string, data []byte) (domain.PublicationFruitImage, error)
GetFruitImageData(ctx context.Context, pubID, imgID int) ([]byte, error)
GetFruitImageThumbnailData(ctx context.Context, pubID, imgID int) ([]byte, error)
DeleteFruitImage(ctx context.Context, pubID, imgID int) error
GetFruitDescriptions(ctx context.Context, fruitID int) ([]domain.PublicationDescription, error)
@@ -386,6 +387,23 @@ func (h *PublicationHandler) ServeFruitImage(c echo.Context) error {
return c.Blob(http.StatusOK, contentType, data)
}
func (h *PublicationHandler) ServeFruitImageThumbnail(c echo.Context) error {
pubID, err := parseID(c, "id")
if err != nil {
return err
}
imgID, err := parseID(c, "imgId")
if err != nil {
return err
}
data, err := h.repo.GetFruitImageThumbnailData(c.Request().Context(), pubID, imgID)
if err != nil {
return mapPubRepoError(c, err)
}
contentType := http.DetectContentType(data)
return c.Blob(http.StatusOK, contentType, data)
}
func (h *PublicationHandler) DeleteFruitImage(c echo.Context) error {
pubID, err := parseID(c, "id")
if err != nil {