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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/services/media_scanner.go
+1 -1
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@@ -458,7 +458,7 @@ func (s *MediaScanner) processMediaFile(ctx context.Context, path string) error
LibraryID: libraryID,
Title: metadata.Title,
Author: pgtype.Text{String: metadata.Author, Valid: metadata.Author != ""},
Isbn: pgtype.Text{String: utils.NormalizeISBN(metadata.ISBN), Valid: metadata.ISBN != ""},
Isbn: pgtype.Text{String: utils.NormalizeISBNSafe(metadata.ISBN), Valid: metadata.ISBN != ""},
Asin: pgtype.Text{String: metadata.ASIN, Valid: metadata.ASIN != ""},
Description: pgtype.Text{String: metadata.Description, Valid: metadata.Description != ""},
FilePath: path,