57 lines
1.6 KiB
TypeScript
57 lines
1.6 KiB
TypeScript
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import { API_URL } from '../config';
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/** Errore restituito dal server nella forma { error: { code, message } }. */
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export class ApiError extends Error {
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constructor(
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public readonly status: number,
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public readonly code: string,
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message: string,
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) {
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super(message);
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this.name = 'ApiError';
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}
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}
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let accessToken: string | null = null;
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export function setAccessToken(token: string | null): void {
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accessToken = token;
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}
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type RequestOptions = {
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method?: 'GET' | 'POST';
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body?: unknown;
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};
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export async function request<T>(path: string, options: RequestOptions = {}): Promise<T> {
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const headers: Record<string, string> = {};
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if (options.body !== undefined) headers['Content-Type'] = 'application/json';
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if (accessToken) headers['Authorization'] = `Bearer ${accessToken}`;
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let response: Response;
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try {
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response = await fetch(`${API_URL}/api/v1${path}`, {
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method: options.method ?? 'GET',
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headers,
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body: options.body !== undefined ? JSON.stringify(options.body) : undefined,
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});
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} catch {
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throw new ApiError(0, 'NETWORK_ERROR', 'Server non raggiungibile');
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}
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if (!response.ok) {
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let code = 'REQUEST_ERROR';
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let message = `Errore ${response.status}`;
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try {
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const payload = (await response.json()) as { error?: { code?: string; message?: string } };
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code = payload.error?.code ?? code;
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message = payload.error?.message ?? message;
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} catch {
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// risposta non JSON: si tengono i default
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}
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throw new ApiError(response.status, code, message);
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}
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return (await response.json()) as T;
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}
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