Function fetchClient

webapp/src/lib/fetchClient.ts:6–69

(
    url: string,
    method: 'GET' | 'POST' | 'PUT' | 'DELETE',
    options: Omit<RequestInit, 'body'> & { body?: unknown } = {}
)

import {FetchResponse} from "@/lib/types";

export async function fetchClient<T>(
    url: string,
    method: 'GET' | 'POST' | 'PUT' | 'DELETE',
    options: Omit<RequestInit, 'body'> & { body?: unknown } = {}
): Promise<FetchResponse<T>> {
    const { body, ...rest } = options;
    const apiUrl = apiConfig.baseUrl;

    if (!apiUrl) throw new Error('Missing API URL');
    const session = await auth();

    const headers: HeadersInit = {
        'Content-Type': 'application/json',
        ...(session?.accessToken
            ? { Authorization: `Bearer ${session.accessToken}` }
            : {}),
        ...(rest.headers || {})
    }

    const response = await fetch(apiUrl + url, {
        method,
        headers,
        ...(body ? { body: JSON.stringify(body) } : {}),
        ...rest,
    });

    const contentType  = response.headers.get('Content-Type');
    const isJson = contentType?.includes('application/json')
        || contentType?.includes('application/problem+json');

    const parsed = isJson ? await response.json() : await response.text();

    if (!response.ok) {
        console.log(response);
        if (response.status === 404) return notFound();
        // if (response.status === 500) throw new Error("Server error. Please try again later.");

        let message = '';

        if (response.status === 401) {
            const authHeader = response.headers.get('WWW-Authenticate');
            if (authHeader?.includes('error_description')) {
                const match = authHeader.match(/error_description="(.+?)"/);
                if (match) message = match[1];
            } else {
                message = "You must be logged in to do that"
            }
        }

        if (!message) {
            if (typeof parsed === 'string') {
                message = parsed
            } else if (parsed?.message) {
                message = parsed?.message;
            } else {
                message = getFallbackMessage(response.status)
            }
        }