126 lines
3.5 KiB
TypeScript
126 lines
3.5 KiB
TypeScript
import { useState, useEffect, useCallback, useRef } from 'react';
|
|
import { useToast } from './use-toast';
|
|
|
|
interface EmailFetchState {
|
|
email: any | null;
|
|
loading: boolean;
|
|
error: string | null;
|
|
}
|
|
|
|
interface UseEmailFetchProps {
|
|
onEmailLoaded?: (email: any) => void;
|
|
onError?: (error: string) => void;
|
|
}
|
|
|
|
export function useEmailFetch({ onEmailLoaded, onError }: UseEmailFetchProps = {}) {
|
|
const [state, setState] = useState<EmailFetchState>({
|
|
email: null,
|
|
loading: false,
|
|
error: null
|
|
});
|
|
|
|
const abortControllerRef = useRef<AbortController | null>(null);
|
|
const { toast } = useToast();
|
|
|
|
// Validate email fetch parameters
|
|
const validateFetchParams = (emailId: string, accountId: string, folder: string) => {
|
|
if (!emailId || typeof emailId !== 'string') {
|
|
throw new Error('Invalid email ID');
|
|
}
|
|
|
|
if (!accountId || typeof accountId !== 'string') {
|
|
throw new Error('Invalid account ID');
|
|
}
|
|
|
|
if (!folder || typeof folder !== 'string') {
|
|
throw new Error('Invalid folder');
|
|
}
|
|
|
|
// Validate UID format
|
|
if (!/^\d+$/.test(emailId)) {
|
|
throw new Error('Email ID must be a numeric UID');
|
|
}
|
|
};
|
|
|
|
// Fetch email with proper error handling and cancellation
|
|
const fetchEmail = useCallback(async (emailId: string, accountId: string, folder: string) => {
|
|
try {
|
|
// Cancel any in-flight request
|
|
if (abortControllerRef.current) {
|
|
abortControllerRef.current.abort();
|
|
}
|
|
|
|
// Create new abort controller
|
|
abortControllerRef.current = new AbortController();
|
|
|
|
// Validate parameters
|
|
validateFetchParams(emailId, accountId, folder);
|
|
|
|
setState(prev => ({ ...prev, loading: true, error: null }));
|
|
|
|
const response = await fetch(
|
|
`/api/courrier/${emailId}?accountId=${encodeURIComponent(accountId)}&folder=${encodeURIComponent(folder)}`,
|
|
{
|
|
signal: abortControllerRef.current.signal
|
|
}
|
|
);
|
|
|
|
if (!response.ok) {
|
|
const errorData = await response.json();
|
|
throw new Error(errorData.error || 'Failed to fetch email');
|
|
}
|
|
|
|
const data = await response.json();
|
|
|
|
if (!data) {
|
|
throw new Error('Email not found');
|
|
}
|
|
|
|
setState({ email: data, loading: false, error: null });
|
|
onEmailLoaded?.(data);
|
|
|
|
// Mark as read if not already
|
|
if (!data.flags?.seen) {
|
|
try {
|
|
await fetch(`/api/courrier/${emailId}/mark-read`, {
|
|
method: 'POST',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({ action: 'mark-read' })
|
|
});
|
|
} catch (err) {
|
|
console.error('Error marking email as read:', err);
|
|
}
|
|
}
|
|
} catch (err) {
|
|
// Don't set error if request was aborted
|
|
if (err.name === 'AbortError') {
|
|
return;
|
|
}
|
|
|
|
const errorMessage = err instanceof Error ? err.message : 'Failed to load email';
|
|
setState(prev => ({ ...prev, loading: false, error: errorMessage }));
|
|
onError?.(errorMessage);
|
|
|
|
// Show toast for user feedback
|
|
toast({
|
|
title: 'Error',
|
|
description: errorMessage,
|
|
variant: 'destructive'
|
|
});
|
|
}
|
|
}, [onEmailLoaded, onError, toast]);
|
|
|
|
// Cleanup on unmount
|
|
useEffect(() => {
|
|
return () => {
|
|
if (abortControllerRef.current) {
|
|
abortControllerRef.current.abort();
|
|
}
|
|
};
|
|
}, []);
|
|
|
|
return {
|
|
...state,
|
|
fetchEmail
|
|
};
|
|
}
|