TeaSpeak-Client/modules/renderer/ClientUpdater.ts

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import * as electron from "electron";
import * as path from "path";
import * as fs from "fs-extra";
import {Updater} from "tc-shared/update/Updater";
import {ChangeLog, ChangeSetEntry} from "tc-shared/update/ChangeLog";
function getChangeLogFile() {
const app_path = electron.remote.app.getAppPath();
if(app_path.endsWith(".asar"))
return path.join(path.dirname(app_path), "..", "ChangeLog.txt");
else
return path.join(app_path, "github", "ChangeLog.txt"); /* We've the source master :D */
}
const EntryRegex = /^([0-9]+)\.([0-9]+)\.([0-9]+)(-b[0-9]+)?:$/m;
function parseChangeLogEntry(lines: string[], index: number) : { entries: ChangeSetEntry[], index: number } {
const entryDepth = lines[index].indexOf("-");
if(entryDepth === -1) {
throw "missing entry depth for line " + index;
}
let entries = [] as ChangeSetEntry[];
let currentEntry;
while(index < lines.length && !lines[index].match(EntryRegex)) {
let trimmed = lines[index].trim();
if(trimmed.length === 0) {
index++;
continue;
}
if(trimmed[0] === '-') {
const depth = lines[index].indexOf('-');
if(depth > entryDepth) {
if(typeof currentEntry === "undefined")
throw "missing change child entries parent at line " + index;
const result = parseChangeLogEntry(lines, index);
entries.push({
changes: result.entries,
title: currentEntry
});
index = result.index;
} else if(depth < entryDepth) {
/* we're done with our block */
break;
} else {
/* new entry */
if(typeof currentEntry === "string")
entries.push(currentEntry);
currentEntry = trimmed.substr(1).trim();
}
} else {
currentEntry += "\n" + trimmed;
}
index++;
}
if(typeof currentEntry === "string")
entries.push(currentEntry);
return {
index: index,
entries: entries
};
}
async function parseClientChangeLog() : Promise<ChangeLog> {
let result: ChangeLog = {
currentVersion: "unknown",
changes: []
}
const lines = (await fs.readFile(getChangeLogFile())).toString("UTF-8").split("\n");
let index = 0;
while(index < lines.length && !lines[index].match(EntryRegex))
index++;
while(index < lines.length) {
const [ _, major, minor, patch, build ] = lines[index].match(EntryRegex);
const entry = parseChangeLogEntry(lines, index + 1);
result.changes.push({
timestamp: major + "." + minor + "." + patch + (build || ""),
changes: entry.entries
});
index = entry.index;
}
return result;
}
const kLastUsedVersionKey = "updater-used-version-native";
export class ClientUpdater implements Updater {
private changeLog: ChangeLog;
private currentVersion: string;
constructor() {
}
async initialize() {
this.currentVersion = electron.remote.getGlobal("app_version_client");
this.changeLog = await parseClientChangeLog();
}
getChangeList(oldVersion: string): ChangeLog {
let changes = {
changes: [],
currentVersion: this.currentVersion
} as ChangeLog;
for(const change of this.getChangeLog().changes) {
if(change.timestamp === oldVersion)
break;
changes.changes.push(change);
}
return changes;
}
getChangeLog(): ChangeLog {
return this.changeLog;
}
getCurrentVersion(): string {
return this.currentVersion;
}
getLastUsedVersion(): string {
return localStorage.getItem(kLastUsedVersionKey) || "1.4.9";
}
updateUsedVersion() {
localStorage.setItem(kLastUsedVersionKey, this.getCurrentVersion());
}
}