Function parseKenmeiCsvExport

Source

export const parseKenmeiCsvExport = (
  csvString: string,
  options: Partial<KenmeiParseOptions> = {},
): KenmeiExport => {
  const parseOptions = { ...DEFAULT_PARSE_OPTIONS, ...options };

  try {
    // Normalize line breaks to Unix style using replaceAll
    const normalizedCsv = csvString
      .replaceAll("\r\n", "\n")
      .replaceAll("\r", "\n");

    // Parse CSV rows properly, respecting quoted fields
    const rows = parseCSVRows(normalizedCsv);

    // Validate CSV structure and get headers
    const headers = validateCsvStructure(rows);

    // Parse manga entries
    const manga: KenmeiManga[] = [];

    // Skip the header row
    for (let i = 1; i < rows.length; i++) {
      const values = rows[i];
      if (shouldSkipRow(values, headers, i)) continue;

      const entry = createEntryMapping(headers, values);
      const fieldValues = extractFieldValues(entry);
      manga.push(createMangaEntry(entry, fieldValues));
    }

    // Process validation if enabled
    processValidationResults(manga, parseOptions);

    // Create the export object
    const kenmeiExport: KenmeiExport = {
      export_date: new Date().toISOString(),
      user: {
        username: "CSV Import User",
        id: 0,
      },
      manga,
    };

    console.log(`Successfully parsed ${manga.length} manga entries from CSV`);
    return kenmeiExport;
  } catch (error) {
    if (error instanceof Error) {
      console.error("CSV parsing error:", error.message);
      throw new Error(`Failed to parse CSV: ${error.message}`);
    }
    console.error("Unknown CSV parsing error");
    throw new Error("Failed to parse CSV: Unknown error");
  }
};
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