Erlaubt die Speicherung und Wiederverwendung von API-Daten des Leitstellenspiels
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.greasyfork.org/scripts/566586/1756446/API-Speicher%20Original.js
// ==UserScript==
// @name API-Speicher Original
// @namespace leeSalami.lss
// @version 0.9.4
// @license All Rights Reserved
// @author leeSalami
// @match https://*.leitstellenspiel.de*
// @description Erlaubt die Speicherung und Wiederverwendung von API-Daten des Leitstellenspiels
// @run-at document-start
// ==/UserScript==
'use strict'
const DB_NAME = 'lss-api-storage';
const DB_VERSION = 6;
async function openDb() {
return navigator.locks.request('cas-open-db', () => {
return new Promise((resolve, reject) => {
const request = indexedDB.open(DB_NAME, DB_VERSION);
request.onsuccess = event => resolve(event.target.result);
request.onerror = event => reject(event.target);
request.onupgradeneeded = (event) => {
const db = event.target.result;
if (event.oldVersion < 1) {
db.createObjectStore('lastUpdate', { keyPath: 'type' });
db.createObjectStore('missions', { keyPath: 'id' });
const buildingStore = db.createObjectStore('buildings', { keyPath: 'id' });
buildingStore.createIndex('building_type', 'building_type', { unique: false });
}
if (event.oldVersion < 2) {
db.createObjectStore('buildingTypes', { keyPath: 'id' });
}
if (event.oldVersion < 3) {
const allianceBuildingStore = db.createObjectStore('allianceBuildings', { keyPath: 'id' });
allianceBuildingStore.createIndex('building_type', 'building_type', { unique: false });
db.createObjectStore('schoolingTypes', { keyPath: 'id' });
const allianceSchoolingsStore = db.createObjectStore('allianceSchoolings', { keyPath: 'id' });
allianceSchoolingsStore.createIndex('building_id', 'building_id', { unique: false });
const userInfoStore = db.createObjectStore('userInfo', { keyPath: 'user_id' });
userInfoStore.createIndex('user_name', 'user_name', { unique: true });
db.createObjectStore('allianceInfo', { keyPath: 'id' });
db.createObjectStore('allianceUsers', { keyPath: 'id' });
db.createObjectStore('vehicleTypes', { keyPath: 'id' });
}
if (event.oldVersion < 4) {
if (db.objectStoreNames.contains('buildings')) {
const store = event.target.transaction.objectStore('buildings');
if (store.indexNames.contains('enabled')) {
store.deleteIndex('enabled');
}
}
}
if (event.oldVersion < 5) {
const vehiclesStore = db.createObjectStore('vehicles', { keyPath: 'id' });
vehiclesStore.createIndex('building_id', 'building_id', { unique: false });
vehiclesStore.createIndex('vehicle_type', 'vehicle_type', { unique: false });
}
if (event.oldVersion < 6) {
if (db.objectStoreNames.contains('buildings')) {
const store = event.target.transaction.objectStore('buildings');
if (store.indexNames.contains('leitstelle_building_id')) {
store.deleteIndex('leitstelle_building_id');
}
store.createIndex('leitstelle_building_id', 'leitstelle_building_id', { unique: false });
}
}
event.target.transaction.oncomplete = () => resolve(db);
event.target.transaction.onerror = event => reject(event.target);
};
});
});
}
async function storeData(db, storageName, data, lastUpdateType = null) {
let success = true;
return new Promise((resolve, reject) => {
const store = db
.transaction(storageName, 'readwrite')
.objectStore(storageName);
/**
* @type {string}
*/
const keyPath = store.keyPath;
if (Array.isArray(data)) {
data.forEach((dataSet) => {
if (Object.keys(dataSet).length > 0) {
const request = store.put(dataSet);
request.onerror = () => {
success = false;
};
}
});
} else if (data.hasOwnProperty(keyPath)) {
const request = store.put(data);
request.onerror = () => {
success = false;
};
} else {
for (const [key, value] of Object.entries(data)) {
if (!value.hasOwnProperty(keyPath)) {
value[keyPath] = !isNaN(Number(key)) ? parseInt(key) : key;
}
const request = store.put(value);
request.onerror = () => {
success = false;
};
}
}
if (success) {
updateLastUpdateTimestamp(db, lastUpdateType ? lastUpdateType : storageName)
resolve('Data stored');
} else {
reject('Unable to store data');
}
});
}
async function clearData(db, storageName) {
let success = true;
return new Promise((resolve, reject) => {
const store = db
.transaction(storageName, 'readwrite')
.objectStore(storageName);
const request = store.clear();
request.onerror = () => {
success = false;
};
if (success) {
resolve('Data cleared');
} else {
reject('Unable to clear data');
}
});
}
async function updateLastUpdateTimestamp(db, storageName) {
db.transaction('lastUpdate', 'readwrite')
.objectStore('lastUpdate')
.put({ type: storageName, timestamp: Date.now() });
}
function updateData(db, type, endpoint, maxAge, indexOption = null, limit = null, alternative = false){
return navigator.locks.request(type, async () => {
let index = null;
let indexKey = null;
let lastUpdateType = null;
if (indexOption) {
index = Object.keys(indexOption)[0];
indexKey = indexOption[index];
lastUpdateType = `${type}_${index}_${indexKey}`;
}
if (await dataNeedsUpdate(db, lastUpdateType ?? type, maxAge)) {
return await updateDateFromEndpoint(db, type, endpoint, index, indexKey, limit, lastUpdateType, alternative);
} else {
return false;
}
});
}
async function updateDateFromEndpoint(db, type, endpoint, index, indexKey, limit, lastUpdateType, alternative) {
let currentEndpoint = endpoint;
let hasNextPage = false;
let success = true;
let page = 1;
if (limit !== null) {
currentEndpoint += `?limit=${limit}`
}
do {
hasNextPage = false;
let data = await fetchData(currentEndpoint);
if (data === false) {
if (type === 'vehicles' && alternative === true) {
return await updateDateFromEndpoint(db, type, '/api/v2/vehicles', index, indexKey, 2000, lastUpdateType, false);
}
success = false;
break;
}
let result = data;
if (result.hasOwnProperty('result')) {
result = result.result;
}
if (page === 1) {
if (index && indexKey) {
await deleteByIndex(db, type, index, IDBKeyRange.only(indexKey));
} else {
await clearData(db, type);
}
}
if (type === 'allianceInfo' && result && result.hasOwnProperty('users')) {
await storeData(db, 'allianceUsers', result.users);
delete result.users;
}
if (result) {
await storeData(db, type, result, lastUpdateType);
}
if (data.hasOwnProperty('paging') && data.paging.hasOwnProperty('next_page')) {
currentEndpoint = data.paging.next_page;
hasNextPage = true;
page++;
}
} while (hasNextPage);
return success;
}
async function fetchData(endpoint, retries = 0) {
const response = await fetch(endpoint);
if (!response.ok) {
if (retries <= 1) {
return await fetchData(endpoint, ++retries);
}
return false;
}
return await response.json();
}
function updateMissions(db, maxAge = 3_600) {
return updateData(db, 'missions', '/einsaetze.json', maxAge);
}
function updateBuildings(db, maxAge = 300) {
return updateData(db, 'buildings', '/api/buildings', maxAge);
}
function updateBuildingById(db, buildingId, maxAge = 60) {
return updateData(db, 'buildings', `/api/buildings/${buildingId}`, maxAge, {'building_id': buildingId});
}
function updateBuildingTypes(db, maxAge = 3_600) {
return updateData(db, 'buildingTypes', `https://api.lss-manager.de/${I18n.locale}/buildings`, maxAge);
}
function updateSchoolingTypes(db, maxAge = 3_600) {
return updateData(db, 'schoolingTypes', `https://api.lss-manager.de/${I18n.locale}/schoolings`, maxAge);
}
function updateVehicleTypes(db, maxAge = 3_600) {
return updateData(db, 'vehicleTypes', `https://api.lss-manager.de/${I18n.locale}/vehicles`, maxAge);
}
function updateAllianceBuildings(db, maxAge = 300) {
return updateData(db, 'allianceBuildings', '/api/alliance_buildings', maxAge);
}
function updateAllianceSchoolings(db, maxAge = 300) {
return updateData(db, 'allianceSchoolings', '/api/alliance_schoolings', maxAge);
}
function updateUserInfo(db, maxAge = 300) {
return updateData(db, 'userInfo', '/api/userinfo', maxAge);
}
function updateAllianceInfo(db, maxAge = 300) {
return updateData(db, 'allianceInfo', '/api/allianceinfo', maxAge);
}
function updateVehicles(db, maxAge = 300) {
return updateData(db, 'vehicles', '/api/vehicles', maxAge, null, null, true);
}
function updateVehiclesV2(db, maxAge = 300) {
return updateData(db, 'vehicles', '/api/v2/vehicles', maxAge, null, 2000);
}
function updateVehiclesByBuildingId(db, buildingId, maxAge = 60) {
return updateData(db, 'vehicles', `/api/v2/buildings/${buildingId}/vehicles`, maxAge, {'building_id': buildingId});
}
async function dataNeedsUpdate(db, type, maxAge) {
let needsUpdate = true;
if (maxAge) {
const lastUpdate = await getData(db, 'lastUpdate', type);
if (lastUpdate !== undefined && maxAge * 1_000 > Date.now() - lastUpdate.timestamp) {
needsUpdate = false;
}
}
return needsUpdate;
}
async function getData(db, storageName, key) {
return new Promise((resolve, reject) => {
const request = db
.transaction(storageName, 'readonly')
.objectStore(storageName)
.get(key);
request.onsuccess = (event) => {
resolve(event.target.result);
};
request.onerror = () => {
reject('Error getting data');
};
});
}
async function getAllData(db, storageName) {
return new Promise((resolve, reject) => {
const request = db
.transaction(storageName, 'readonly')
.objectStore(storageName)
.getAll();
request.onsuccess = (event) => {
resolve(event.target.result);
};
request.onerror = () => {
reject('Error getting data');
};
});
}
async function getAllKeys(db, storageName) {
return new Promise((resolve, reject) => {
const request = db
.transaction(storageName, 'readonly')
.objectStore(storageName)
.getAllKeys();
request.onsuccess = (event) => {
resolve(event.target.result);
};
request.onerror = () => {
reject('Error getting data');
};
});
}
async function getDataByIndex(db, storageName, indexName, query) {
return new Promise((resolve, reject) => {
const results = [];
const transaction = db.transaction(storageName);
transaction.oncomplete = () => resolve(results);
transaction.onerror = event => reject(event.target);
const request = transaction.objectStore(storageName)
.index(indexName)
.openCursor(query);
request.onsuccess = event => {
const cursor = event.target.result;
if (!cursor) {
return;
}
results.push(cursor.value);
cursor.continue();
};
});
}
async function getCount(db, storageName, query = null) {
return new Promise((resolve, reject) => {
const request = db
.transaction(storageName, 'readonly')
.objectStore(storageName)
.count(query);
request.onsuccess = (event) => {
resolve(event.target.result);
};
request.onerror = () => {
reject('Error getting data');
};
});
}
async function getCountByIndex(db, storageName, indexName, query = null) {
return new Promise((resolve, reject) => {
let count = 0;
const transaction = db.transaction(storageName);
transaction.oncomplete = () => resolve(count);
transaction.onerror = event => reject(event.target);
const request = transaction.objectStore(storageName)
.index(indexName)
.count(query);
request.onsuccess = event => {
count = event.target.result;
};
});
}
async function deleteByIndex(db, storageName, indexName, query) {
let success = true;
return new Promise((resolve, reject) => {
const store = db
.transaction(storageName, 'readwrite')
.objectStore(storageName);
const request = store
.index(indexName)
.openKeyCursor(query);
request.onsuccess = event => {
const cursor = event.target.result;
if (cursor) {
store.delete(cursor.primaryKey);
cursor.continue();
}
};
request.onerror = () => {
success = false;
};
if (success) {
resolve('Data deleted');
} else {
reject('Unable to delete data');
}
});
}