All files / services api.ts

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import {
	type BaseQueryFn,
	createApi,
	type FetchArgs,
	fetchBaseQuery,
	type FetchBaseQueryError,
	type FetchBaseQueryMeta
} from '@reduxjs/toolkit/query/react';
 
import type { RootState } from '../store/store';
import { logger } from '../utils/logger';
 
// ============================================================================
// Types
// ============================================================================
 
interface RefreshApiResponse {
	success: boolean;
	message: string;
	data: {
		user: {
			userId: number;
			username: string;
			email: string;
			role: string;
		};
		accessToken: string;
		refreshToken: string;
		tokenType: string;
		expiresIn: number;
	};
}
 
interface SetCredentialsPayload {
	user: {
		userId: number;
		username: string;
		email: string;
		role: string;
	};
	accessToken: string;
	refreshToken: string;
}
 
// ============================================================================
// Base Query Configuration
// ============================================================================
 
const API_BASE_URL: string =
	typeof import.meta.env.VITE_API_URL === 'string'
		? import.meta.env.VITE_API_URL
		: '/api';
 
const baseQuery = fetchBaseQuery({
	baseUrl: API_BASE_URL,
	prepareHeaders: (headers, { getState }) => {
		// Get token from Redux store
		const token = (getState() as RootState).auth.accessToken;
 
		if (token !== null && token !== '') {
			headers.set('Authorization', `Bearer ${token}`);
		}
 
		return headers;
	}
});
 
// ============================================================================
// Re-auth Query Wrapper
// ============================================================================
 
const baseQueryWithReAuth: BaseQueryFn<
	string | FetchArgs,
	unknown,
	FetchBaseQueryError,
	object,
	FetchBaseQueryMeta
> = async (args, api, extraOptions) => {
	let result = await baseQuery(args, api, extraOptions);
 
	if (result.error?.status === 401) {
		logger.debug('Received 401, attempting token refresh');
 
		const refreshToken = (api.getState() as RootState).auth.refreshToken;
 
		if (refreshToken !== null && refreshToken !== '') {
			const refreshResult = await baseQuery(
				{
					url: '/auth/refresh',
					method: 'POST',
					body: { refreshToken }
				},
				api,
				extraOptions
			);
 
			if (refreshResult.data !== undefined) {
				const responseData = refreshResult.data as RefreshApiResponse;
 
				logger.debug('Token refresh successful', {
					userId: responseData.data.user.userId
				});
 
				const payload: SetCredentialsPayload = {
					user: {
						userId: responseData.data.user.userId,
						username: responseData.data.user.username,
						email: responseData.data.user.email,
						role: responseData.data.user.role
					},
					accessToken: responseData.data.accessToken,
					refreshToken: responseData.data.refreshToken
				};
 
				api.dispatch({
					type: 'auth/setCredentials',
					payload
				});
 
				// Retry the initial query with new token
				result = await baseQuery(args, api, extraOptions);
			} else {
				logger.warn('No refresh failed, logging out');
				api.dispatch({ type: 'auth/logout' });
			}
		} else {
			logger.debug('No refresh token available, logging out');
			api.dispatch({ type: 'auth/logout' });
		}
	}
	return result;
};
 
// ============================================================================
// API Definition
// ============================================================================
 
export const api = createApi({
	reducerPath: 'api',
	baseQuery: baseQueryWithReAuth,
	tagTypes: [
		'User',
		'Investor',
		'Account',
		'AccountSummary',
		'Transaction',
		'AdminStats',
		'AdminInvestors',
		'Funds',
		'Requests',
		'SuperAdminAccounts',
		'ErrorLog',
		'SystemSettings',
		'Loan',
		'UserManagement',
		'Document'
	],
	endpoints: () => ({})
});