1 files changed, 86 insertions, 0 deletions
diff --git a/src/server/ActionUtilities.ts b/src/server/ActionUtilities.ts
new file mode 100644
index 000000000..c9fc86fea
--- /dev/null
+++ b/src/server/ActionUtilities.ts
@@ -0,0 +1,86 @@
+import * as fs from 'fs';
+import { ExecOptions } from 'shelljs';
+import { exec } from 'child_process';
+import * as path from 'path';
+import * as rimraf from "rimraf";
+
+export const command_line = (command: string, fromDirectory?: string) => {
+    return new Promise<string>((resolve, reject) => {
+        let options: ExecOptions = {};
+        if (fromDirectory) {
+            options.cwd = path.join(__dirname, fromDirectory);
+        }
+        exec(command, options, (err, stdout) => err ? reject(err) : resolve(stdout));
+    });
+};
+
+export const read_text_file = (relativePath: string) => {
+    let target = path.join(__dirname, relativePath);
+    return new Promise<string>((resolve, reject) => {
+        fs.readFile(target, (err, data) => err ? reject(err) : resolve(data.toString()));
+    });
+};
+
+export const write_text_file = (relativePath: string, contents: any) => {
+    let target = path.join(__dirname, relativePath);
+    return new Promise<void>((resolve, reject) => {
+        fs.writeFile(target, contents, (err) => err ? reject(err) : resolve());
+    });
+};
+
+export interface LogData {
+    startMessage: string;
+    endMessage: string;
+    action: () => void | Promise<void>;
+}
+
+let current = Math.ceil(Math.random() * 20);
+export async function log_execution({ startMessage, endMessage, action }: LogData) {
+    const color = `\x1b[${31 + current++ % 6}m%s\x1b[0m`;
+    console.log(color, `${startMessage}...`);
+    await action();
+    console.log(color, endMessage);
+}
+
+export enum ConsoleColors {
+    Black = `\x1b[30m%s\x1b[0m`,
+    Red = `\x1b[31m%s\x1b[0m`,
+    Green = `\x1b[32m%s\x1b[0m`,
+    Yellow = `\x1b[33m%s\x1b[0m`,
+    Blue = `\x1b[34m%s\x1b[0m`,
+    Magenta = `\x1b[35m%s\x1b[0m`,
+    Cyan = `\x1b[36m%s\x1b[0m`,
+    White = `\x1b[37m%s\x1b[0m`
+}
+
+export function logPort(listener: string, port: number) {
+    process.stdout.write(`${listener} listening on port `);
+    console.log(ConsoleColors.Yellow, port);
+}
+
+export function msToTime(duration: number) {
+    let milliseconds = Math.floor((duration % 1000) / 100),
+        seconds = Math.floor((duration / 1000) % 60),
+        minutes = Math.floor((duration / (1000 * 60)) % 60),
+        hours = Math.floor((duration / (1000 * 60 * 60)) % 24);
+
+    let hoursS = (hours < 10) ? "0" + hours : hours;
+    let minutesS = (minutes < 10) ? "0" + minutes : minutes;
+    let secondsS = (seconds < 10) ? "0" + seconds : seconds;
+
+    return hoursS + ":" + minutesS + ":" + secondsS + "." + milliseconds;
+}
+
+export const createIfNotExists = async (path: string) => {
+    if (await new Promise<boolean>(resolve => fs.exists(path, resolve))) {
+        return true;
+    }
+    return new Promise<boolean>(resolve => fs.mkdir(path, error => resolve(error === null)));
+};
+
+export async function Prune(rootDirectory: string): Promise<boolean> {
+    const error = await new Promise<Error>(resolve => rimraf(rootDirectory, resolve));
+    return error === null;
+}
+
+export const Destroy = (mediaPath: string) => new Promise<boolean>(resolve => fs.unlink(mediaPath, error => resolve(error === null)));
+\ No newline at end of file