117 lines
3.3 KiB
TypeScript
117 lines
3.3 KiB
TypeScript
import { useState } from "react";
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import { axiosInstance } from "../lib/api";
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interface UseExportReturn {
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exportSnapshot: (format: "csv" | "xlsx") => Promise<void>;
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exportAuditTrail: (format: "csv" | "xlsx") => Promise<void>;
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isLoading: boolean;
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error: string | null;
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}
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/**
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* Custom hook for managing inventory export operations.
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* Handles API calls, file downloads, and error management.
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*
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* @returns Object with export functions and state
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*/
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export function useExport(): UseExportReturn {
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const [isLoading, setIsLoading] = useState(false);
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const [error, setError] = useState<string | null>(null);
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/**
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* Extract filename from Content-Disposition header.
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* Handles both inline and attachment disposition.
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*/
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const extractFilenameFromHeader = (contentDisposition: string): string => {
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const match = contentDisposition.match(/filename="?([^"]+)"?/);
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return match ? match[1] : `export_${Date.now()}`;
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};
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/**
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* Trigger file download from blob response.
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*/
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const downloadFile = (blob: Blob, filename: string) => {
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const url = URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = url;
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link.download = filename;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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URL.revokeObjectURL(url);
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};
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/**
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* Export inventory snapshot in specified format.
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*/
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const exportSnapshot = async (format: "csv" | "xlsx"): Promise<void> => {
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setIsLoading(true);
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setError(null);
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try {
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const response = await axiosInstance.get(
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`/admin/reports/export?format=${format}&type=inventory`,
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{
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responseType: "blob"
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}
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);
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// Extract filename from response headers
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const contentDisposition = response.headers["content-disposition"] || "";
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const filename = contentDisposition
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? extractFilenameFromHeader(contentDisposition)
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: `inventory_snapshot_${new Date().toISOString().split("T")[0]}.${format}`;
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// Trigger download
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downloadFile(response.data, filename);
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} catch (err) {
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const errorMessage =
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err instanceof Error ? err.message : "Failed to export inventory snapshot";
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setError(errorMessage);
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throw err;
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} finally {
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setIsLoading(false);
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}
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};
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/**
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* Export audit trail in specified format.
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*/
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const exportAuditTrail = async (format: "csv" | "xlsx"): Promise<void> => {
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setIsLoading(true);
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setError(null);
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try {
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const response = await axiosInstance.get(
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`/admin/reports/export?format=${format}&type=audit`,
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{
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responseType: "blob"
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}
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);
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// Extract filename from response headers
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const contentDisposition = response.headers["content-disposition"] || "";
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const filename = contentDisposition
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? extractFilenameFromHeader(contentDisposition)
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: `audit_trail_${new Date().toISOString().split("T")[0]}.${format}`;
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// Trigger download
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downloadFile(response.data, filename);
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} catch (err) {
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const errorMessage =
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err instanceof Error ? err.message : "Failed to export audit trail";
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setError(errorMessage);
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throw err;
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} finally {
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setIsLoading(false);
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}
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};
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return {
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exportSnapshot,
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exportAuditTrail,
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isLoading,
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error,
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};
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}
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