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Add ISBN-10 to ISBN-13 validation and conversion

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Enhance NormalizeISBN to validate and convert ISBNs:
- Validate length (10 or 13 digits), return error if invalid
- Convert ISBN-10 to ISBN-13 by prefixing '978' and recalculating checksum
- Add NormalizeISBNSafe for backward compatibility in scanners

This ensures all ISBNs stored in database are valid ISBN-13 format.
This commit is contained in:
john-okeefe
2026-02-11 09:42:18 -05:00
parent 0eee34ad01
commit 0f8db2ab07
6 changed files with 226 additions and 20 deletions
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internal/handlers/media.go
+15 -3
View File
@@ -913,7 +913,13 @@ func (mh *MediaHandler) CreateMediaItem(c echo.Context) error {
tagsSearch := utils.NormalizeTagsSearch(req.Tags)
contributorsSearch := utils.NormalizeContributorsSearch(req.Contributors)
_, err := mh.db.GetLibrary(c.Request().Context(), pgtype.UUID{Bytes: req.LibraryID, Valid: true})
// Validate and normalize ISBN
normalizedISBN, err := utils.NormalizeISBN(req.ISBN)
if err != nil {
return c.JSON(http.StatusUnprocessableEntity, map[string]string{"error": "invalid ISBN format"})
}
_, err = mh.db.GetLibrary(c.Request().Context(), pgtype.UUID{Bytes: req.LibraryID, Valid: true})
if err != nil {
if err == pgx.ErrNoRows {
return c.JSON(http.StatusBadRequest, map[string]string{"error": "library not found"})
@@ -936,7 +942,7 @@ func (mh *MediaHandler) CreateMediaItem(c echo.Context) error {
LibraryID: pgtype.UUID{Bytes: req.LibraryID, Valid: true},
Title: req.Title,
Author: pgtype.Text{String: req.Author, Valid: req.Author != ""},
Isbn: pgtype.Text{String: req.ISBN, Valid: req.ISBN != ""},
Isbn: pgtype.Text{String: normalizedISBN, Valid: req.ISBN != ""},
Description: pgtype.Text{String: req.Description, Valid: req.Description != ""},
FilePath: req.FilePath,
FileSize: pgtype.Int8{Int64: req.FileSize, Valid: req.FileSize > 0},
@@ -998,11 +1004,17 @@ func (mh *MediaHandler) UpdateMediaItem(c echo.Context) error {
tagsSearch := utils.NormalizeTagsSearch(req.Tags)
contributorsSearch := utils.NormalizeContributorsSearch(req.Contributors)
// Validate and normalize ISBN
normalizedISBN, err := utils.NormalizeISBN(req.ISBN)
if err != nil {
return c.JSON(http.StatusUnprocessableEntity, map[string]string{"error": "invalid ISBN format"})
}
item, err := mh.db.UpdateMediaItem(c.Request().Context(), database.UpdateMediaItemParams{
ID: pgtype.UUID{Bytes: mediaUUID, Valid: true},
Title: req.Title,
Author: pgtype.Text{String: req.Author, Valid: req.Author != ""},
Isbn: pgtype.Text{String: req.ISBN, Valid: req.ISBN != ""},
Isbn: pgtype.Text{String: normalizedISBN, Valid: req.ISBN != ""},
Description: pgtype.Text{String: req.Description, Valid: req.Description != ""},
CoverImagePath: pgtype.Text{String: req.CoverImagePath, Valid: req.CoverImagePath != ""},
Series: pgtype.Text{String: req.Series, Valid: req.Series != ""},