/**
* Utility functions for document processing
*/
/**
* Detect file type from file extension
*/
export function detectFileType(
filePath: string,
): "excel" | "word" | "pdf" | "pptx" | "text" | null {
const ext = filePath.toLowerCase().split(".").pop();
if (ext === "xlsx" || ext === "xls") return "excel";
if (ext === "docx") return "word";
if (ext === "pptx" || ext === "ppt") return "pptx";
if (ext === "pdf") return "pdf";
if (
ext === "txt" || ext === "csv" || ext === "md" || ext === "json" ||
ext === "yaml" || ext === "yml"
) return "text";
return null;
}
/**
* Get required packages for each file type
*/
export function getPackages(fileType: string): Record<string, string> {
const packages: Record<string, Record<string, string>> = {
excel: { openpyxl: "openpyxl" },
word: { docx: "python-docx" }, // Map docx import to python-docx package
pptx: { pptx: "python-pptx" }, // Map pptx import to python-pptx package
pdf: { PyPDF2: "PyPDF2" },
text: {}, // No external packages needed for text files
};
return packages[fileType] || {};
}
/**
* Get environment configuration
*/
export function getConfig() {
return {
rawFullRead: process.env.DOC_RAW_FULL_READ === "true",
pageSize: parseInt(process.env.DOC_PAGE_SIZE || "100", 10),
maxFileSize: parseInt(process.env.DOC_MAX_FILE_SIZE || "50", 10) * 1024 *
1024,
};
}
