https://www.nemovido.cz/poskireal/poskireal-v26.9/0/assets/js/google-api-usage.js

1/**
2 * Vola API pro zalogovani pouziti Google API.
3 * Vraci true, pokud nebyl prekrocen limit na poctu volani Google API pro dany klic.
4 * @param {"frontend"|"backend"} kind udava, zda jde o frontend nebo backend
5 * @param {"map"|"geocoder"|"street_view"|"addr_suggest"|"addr_detail"} endpoint udava typ Google API sluzby
6 * @param {string|null} googleApiKey klic pro Google API, pokud neni zadan, bude vyhledavat se v DOMu.
7 * @returns {Promise<boolean>}
8 */
9async function logGoogleApiUsage(kind, endpoint, googleApiKey = null)
10{
11    function lookupGoogleApiKey()
12    {
13        const domScripts = document.getElementsByTagName("script");
14        for (const domScript of domScripts) {
15            if (domScript.src.indexOf("maps.google.com/maps/api/js") !== -1) {
16                return domScript.src.match(/key=([^&]+)/)[1];
17            }
18        }
19        return null;
20    }
21
22    const GOOGLE_API_KEY = googleApiKey === null ? lookupGoogleApiKey() : googleApiKey;
23    if (GOOGLE_API_KEY === null) {
24        console.error("logGoogleApiUsage: Nebyl nalezen Google API klic.");
25        return false;
26    }
27
28    try {
29        const response = await window.fetch('/api/v2/usage/googleapi', {
30            method: "POST",
31            headers: {
32                "Content-Type": "application/json"
33            },
34            body: JSON.stringify({
35                api_key: GOOGLE_API_KEY,
36                domain: window.location.hostname,
37                kind: kind,
38                endpoint: endpoint
39            })
40        });
41
42        return response.status === 200;
43    } catch (reason) {
44        console.error("logGoogleApiUsage: Nepodařilo se zalogovat použití Google API.", reason);
45        return false;
46    }
47}
48
49/**
50 * VP: PROVIZORNI RESENI
51 * Notifikuje uzivatele o preteceni limitu na poctu volani Google API.
52 * @param mapSelector {string|HTMLElement} CSS Selecktor pro mapu
53 * @param {"frontend"|"backend"} kind udava, zda jde o frontend nebo backend
54 */
55function notifyGoogleApiOutOfLimit(mapSelector, kind)
56{
57    const domMap = typeof mapSelector === "string" ? document.querySelector(mapSelector)
58        : mapSelector;
59
60    if (domMap === null) {
61        console.error(`notifyGoogleApiOutOfLimit: Mapa s CSS selektorem ${mapSelector} nebyla nalezena.`);
62    } else if (domMap instanceof HTMLElement) {
63        domMap.style.background = "#333";
64        domMap.style.display = "flex";
65        domMap.style.alignItems = "center";
66        domMap.style.justifyContent = "center";
67        domMap.style.color = "white";
68        domMap.style.fontSize = "24px";
69        domMap.style.fontWeight = "bold";
70        domMap.style.minHeight = "120px";
71        domMap.style.textAlign = "center";
72
73        const message = kind === "frontend" ? "Nastala technická porucha při načítání mapy."
74            : "Byl překročen limit služeb Google API.";
75        domMap.innerHTML = `<span>${message}</span>`;
76    } else {
77        console.error(`notifyGoogleApiOutOfLimit: Mapa s CSS selektorem ${mapSelector} neni HTML element.`);
78    }
79}