Started rewriting project in TypeScript

.eslintrc.cjs

@@ -0,0 +1,6 @@
+module.exports = {
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  root: true,
+};

.gitignore

@@ -1,21 +1,3 @@
-# ---> Rust
-# Generated by Cargo
-# will have compiled files and executables
-debug/
-target/
+# NPM modules
+node_modules/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
-# These are backup files generated by rustfmt
-**/*.rs.bk
-
-# MSVC Windows builds of rustc generate these, which store debugging information
-*.pdb
-
-
-
-# Added by cargo
-
-/target

.woodpecker.yml

@@ -1,21 +1,9 @@
 pipeline:
   tests:
-    image: rust:1.63
+    image: node:1.18
     commands:
-      - "apt update"
-      - "apt install -y lsof"
-      - "cargo test"
-
-  build_release:
-    image: rust:1.63
-    commands:
-      - "cargo install cargo-deb cargo-generate-rpm"
-      - "cargo build --release"
-      - "cargo deb"
-      - "cargo generate-rpm"
-      - "mv target/release/zealot target/release/zealot-${CI_COMMIT_TAG}-linux-x86_64"
-    when:
-      event: tag
+      - "npm install"
+      - "npm run lint"
 
   gitea_release:
     image: plugins/gitea-release
@@ -24,55 +12,6 @@ pipeline:
         from_secret: gitea_api_key
       base_url: https://git.metaunix.net
       files:
-        - "target/release/*${CI_COMMIT_TAG}-linux-x86_64"
-        - "target/debian/zealot*.deb"
-        - "target/generate-rpm/zealot*.rpm"
       title: "${CI_COMMIT_TAG}"
     when:
       event: tag
-
-  copy_deb_package:
-    image: appleboy/drone-scp
-    settings:
-      host: "repo.int.metaunix.net"
-      username:
-        from_secret: repo_admin
-      password:
-        from_secret: repo_password
-      port: 22
-      target: /srv/repo/apt/zealot/
-      source: target/debian/zealot*.deb
-      strip_components: 2
-    when:
-      event: tag
-
-  copy_rpm_package:
-    image: appleboy/drone-scp
-    settings:
-      host: "repo.int.metaunix.net"
-      username:
-        from_secret: repo_admin
-      password:
-        from_secret: repo_password
-      port: 22
-      target: /srv/repo/dnf/zealot/
-      source: target/generate-rpm/zealot*.rpm
-      strip_components: 2
-    when:
-      event: tag
-
-  update_repos:
-    image: appleboy/drone-ssh
-    settings:
-      host:
-        - repo.int.metaunix.net
-      username:
-        from_secret: repo_admin
-      password:
-        from_secret: repo_password
-      port: 22
-      command_timeout: 2m
-      script:
-        - "sudo /home/xadmin/scripts/update_repo.sh"
-    when:
-      event: tag

Cargo.toml

@@ -1,45 +0,0 @@
-[package]
-name = "zealot"
-description = "Bit Goblin automated video transcoding service."
-version = "0.2.3"
-edition = "2021"
-readme = "README.md"
-license = "BSD 2-Clause"
-authors = ["Gregory Ballantine <gballantine@bitgoblin.tech>"]
-
-[dependencies]
-clap = { version = "3.2", features = ['derive'] }
-config = { version = "0.13", features = ['toml'] }
-log = "0.4"
-log4rs = "1.1"
-toml = "0.5"
-serde = "1.0"
-serde_derive = "1.0"
-shellexpand = "2.1"
-
-[package.metadata.deb]
-license-file = "LICENSE"
-maintainer-scripts = "build/scripts"
-depends = "ffmpeg (>= 4)"
-section = "video"
-assets = [
-	["target/release/zealot", "usr/bin/zealot", "755"],
-	["build/etc/example.toml", "etc/zealot/example.toml", "644"],
-	["build/etc/log4rs.yaml", "etc/zealot/log4rs.yaml", "755"],
-	["README.md", "usr/share/doc/zealot/README", "644"]
-]
-[package.metadata.deb.systemd-units]
-unit-scripts = "build/debian/service"
-unit-name = "zealot"
-enable = true
-start = true
-
-[package.metadata.generate-rpm]
-assets = [
-  { source = "target/release/zealot", dest = "/usr/bin/zealot", mode = "755" },
-  { source = "build/etc/example.toml", dest = "/etc/zealot/example.toml", mode = "755"},
-  { source = "README.md", dest = "/usr/share/doc/zealot/README", mode = "644"}
-]
-post_install_script = "build/scripts/postinst"
-[package.metadata.generate-rpm.requires]
-ffmpeg = ">= 4"

bin/run

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+npm run ts index.ts
+

build/etc/log4rs.yaml

@@ -1,12 +0,0 @@
-appenders:
-  stdout:
-    kind: console
-    encoder:
-      pattern: "{d(%+)(utc)} {h({l})}: {m}{n}"
-    filters:
-      - kind: threshold
-        level: info
-root:
-  level: info
-  appenders:
-    - stdout

config/default.toml

@@ -1,5 +1,8 @@
+[ffmpeg]
+bin_path = '/usr/bin/ffmpeg'
+
 [transcoder]
-repo_path = '~/zealot'
+repository = '~/zealot'
 interval = 15
 video_format = 'mov'
 video_codec = 'dnxhd'

index.ts

@@ -0,0 +1,11 @@
+import fs from 'fs';
+import toml from 'toml';
+
+import Repository from './src/repository';
+
+// load config file
+const config = toml.parse(fs.readFileSync('./config/default.toml', 'utf-8'));
+
+// create and initialize repository object
+const repo = new Repository(config.transcoder.repository);
+repo.initialize();

log4rs.yaml

@@ -1,12 +0,0 @@
-appenders:
-  stdout:
-    kind: console
-    encoder:
-      pattern: "{d(%+)(utc)} {h({l})}: {m}{n}"
-    filters:
-      - kind: threshold
-        level: info
-root:
-  level: info
-  appenders:
-    - stdout

package.json

@@ -0,0 +1,32 @@
+{
+  "name": "zealot",
+  "version": "0.3.0",
+  "description": "Bit Goblin video transcoder service",
+  "main": "index.js",
+  "scripts": {
+    "ts": "ts-node",
+    "lint": "eslint index.ts src/**/*",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://git.metaunix.net/BitGoblin/zealot"
+  },
+  "keywords": [
+    "video",
+    "transcoder",
+    "ffmpeg"
+  ],
+  "author": "Gregory Ballantine <gballantine@bitgoblin.tech>",
+  "license": "BSD-2-Clause",
+  "dependencies": {
+    "toml": "^3.0.0",
+    "ts-node": "^10.9.1",
+    "typescript": "^4.9.3"
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^5.43.0",
+    "@typescript-eslint/parser": "^5.43.0",
+    "eslint": "^8.27.0"
+  }
+}

src/cmd/core.rs

@@ -1,20 +0,0 @@
-use config::Config;
-use crate::settings;
-use crate::transcoder::repository::Repository;
-
-pub fn setup_command() {
-  // load configuration
-  let c: Config = settings::load_config();
-
-  // resolve repository path
-  let repository_dir_raw: &str = &c.get_string("transcoder.repository").unwrap();
-  let repository_dir: &str = &shellexpand::tilde(repository_dir_raw);
-
-  // alert the user to what's happening
-  println!("Initializing video repository at {}...", repository_dir);
-
-  // create and initialize our repository object
-  let r: Repository = Repository::new(repository_dir);
-  // initialize the video repository
-  r.initialize();
-}

src/cmd/mod.rs

@@ -1 +0,0 @@
-pub mod core;

src/main.rs

@@ -1,52 +0,0 @@
-use clap::{Parser, Subcommand};
-use log4rs;
-use config::Config;
-use transcoder::repository::Repository;
-use transcoder::transcoder::Transcoder;
-
-mod cmd;
-mod settings;
-mod transcoder;
-mod util;
-
-#[derive(Parser)]
-#[clap(author, version, about, long_about = None)]
-struct Cli {
-  /// Number of times to greet
-  #[clap(short = 'l', long, default_value_t = String::from("./log4rs.yaml"))]
-  log_config: String,
-
-  #[clap(subcommand)]
-  command: Option<Commands>,
-}
-
-#[derive(Subcommand)]
-enum Commands {
-  /// displays version info about this program
-  Setup {},
-}
-
-fn main() {
-  // initialize the clap CLI
-  let cli = Cli::parse();
-
-  // grab the log4rs config file path, then initialize log4rs
-  let log4rs_config: String = cli.log_config;
-  log4rs::init_file(&log4rs_config, Default::default()).unwrap();
-
-  match &cli.command {
-    // sub-commands will be handled here
-    Some(Commands::Setup {}) => cmd::core::setup_command(),
-
-    // run the main program without any commands
-    None => {
-      // create and initialize our config and repository objects
-      let c: Config = settings::load_config();
-      let r: Repository = Repository::new(&shellexpand::tilde(&c.get_string("transcoder.repository").unwrap()));
-
-      // create and start the video transcoder object
-      let t: Transcoder = Transcoder::new(c, r);
-      t.start();
-    },
-  }
-}

src/repository.ts

@@ -0,0 +1,40 @@
+import fs from 'fs';
+import path from 'path';
+import { resolveTilde } from './util';
+
+export default class Repository {
+
+  base_path: string;
+  ingest_path: string;
+  archive_path: string;
+  output_path: string;
+
+  constructor(base_path: string) {
+    // set base path
+    this.base_path = resolveTilde(base_path);
+
+    // set sub-directory paths
+    this.ingest_path = path.join(this.base_path, 'ingest');
+    this.archive_path = path.join(this.base_path, 'archive');
+    this.output_path = path.join(this.base_path, 'output');
+  }
+  
+  initialize(): void {
+    console.log(`Initializing video repository at ${this.base_path}.`);
+
+    // ensure each directory exists
+    if (!fs.existsSync(this.base_path)) {
+      fs.mkdirSync(this.base_path);
+    }
+    if (!fs.existsSync(this.ingest_path)) {
+      fs.mkdirSync(this.ingest_path);
+    }
+    if (!fs.existsSync(this.archive_path)) {
+      fs.mkdirSync(this.archive_path);
+    }
+    if (!fs.existsSync(this.output_path)) {
+      fs.mkdirSync(this.output_path);
+    }
+  }
+
+}

src/settings.rs

@@ -1,33 +0,0 @@
-use config::Config;
-
-pub fn load_config() -> Config {
-  let global_config_path: String = find_global_config_path();
-  let home_config_path: String = find_home_config_path();
-
-  let settings = Config::builder()
-    // Add in `./Settings.toml`
-    .add_source(config::File::with_name(&global_config_path).required(false))
-    .add_source(config::File::with_name(&home_config_path).required(false))
-    .build()
-    .unwrap();
-
-  return settings;
-}
-
-fn find_global_config_path() -> String {
-  if cfg!(windows) {
-    return String::from("C:\\Program Files\\Zealot\\config.toml");
-  }
-
-  return String::from("/etc/zealot/config.toml");
-}
-
-fn find_home_config_path() -> String {
-  let home_path: &str = &shellexpand::tilde("~/.config/zealot.toml");
-
-  if cfg!(windows) {
-    return String::from(home_path.replace("/", "\\"));
-  }
-
-  return String::from(home_path);
-}

src/transcoder/mod.rs

@@ -1,2 +0,0 @@
-pub mod repository;
-pub mod transcoder;

src/transcoder/repository.rs

@@ -1,91 +0,0 @@
-use std::fs;
-use std::path::Path;
-use log::{error, info};
-
-pub struct Repository {
-  pub base_dir: String,
-  pub ingest_dir: String,
-  pub archive_dir: String,
-  pub output_dir: String,
-}
-
-impl Repository {
-  pub fn new(base_path: &str) -> Repository {
-    let ingest_path = Path::new(base_path).join("ingest");
-    let archive_path = Path::new(base_path).join("archive");
-    let output_path = Path::new(base_path).join("output");
-
-    return Repository {
-      base_dir: String::from(base_path),
-      ingest_dir: String::from(ingest_path.to_str().unwrap()),
-      archive_dir: String::from(archive_path.to_str().unwrap()),
-      output_dir: String::from(output_path.to_str().unwrap()),
-    };
-  }
-
-  pub fn initialize(&self) {
-    // create the base directory path
-    create_directory(&self.base_dir);
-
-    // create the needed sub-directories
-    create_directory(&self.ingest_dir.as_str());
-    create_directory(&self.archive_dir.as_str());
-    create_directory(&self.output_dir.as_str());
-  }
-
-  pub fn search_ingest(&self) -> Vec<String> {
-    // read file entries from ingest
-    let files = fs::read_dir(&self.ingest_dir).unwrap();
-
-    // create vec object and loop through entries to find what we want
-    let mut ingest_files: Vec<String> = vec![];
-    for f in files {
-      let f = f.unwrap();
-      let path = f.path();
-      if path.is_file() {
-        let file_path = path.file_name().unwrap().to_str();
-        ingest_files.push(String::from(file_path.unwrap()));
-      }
-    }
-
-    return ingest_files;
-  }
-
-  pub fn archive_file(&self, file: &str) {
-    let ingest_file = Path::new(&self.ingest_dir).join(file);
-    let archive_file = Path::new(&self.archive_dir).join(file);
-
-    match fs::copy(&ingest_file, &archive_file) {
-      Ok(_) => {
-        info!("Archiving video file {}.", ingest_file.to_str().unwrap());
-      },
-      Err(e) => {
-        error!("Error archiving file {}: {}", ingest_file.to_str().unwrap(), e);
-        std::process::exit(1);
-      }
-    }
-  }
-
-  pub fn cleanup_file(&self, file: &str) {
-    let ingest_file = Path::new(&self.ingest_dir).join(file);
-    fs::remove_file(&ingest_file)
-      .expect("File deletion failed.");
-  }
-}
-
-fn create_directory(path: &str) {
-  let d = Path::new(path);
-  if d.is_dir() {
-    info!("Directory {} already exists.", path);
-  } else {
-    match fs::create_dir(path) {
-      Ok(_) => {
-        info!("Creating directory {}.", path);
-      },
-      Err(e) => {
-        error!("Error creating {}: {}", path, e);
-        std::process::exit(1);
-      }
-    }
-  }
-}

src/transcoder/transcoder.rs

@@ -1,88 +0,0 @@
-use config::Config;
-use std::path::Path;
-use std::process;
-use std::{thread, time};
-use log::{debug, info};
-
-use crate::util::io;
-use super::repository::Repository;
-
-pub struct Transcoder {
-  config: Config,
-  repository: Repository,
-}
-
-impl Transcoder {
-  pub fn new(config: Config, repository: Repository) -> Transcoder {
-    return Transcoder{
-      config: config,
-      repository: repository,
-    }
-  }
-
-  pub fn start(self) {
-    info!("Starting transcoder...");
-
-    loop {
-      // search for files in ingest
-      let ingest_files = self.repository.search_ingest();
-
-      // check if we found any files to transcode
-      if ingest_files.len() < 1 {
-        info!("There were no files found in ingest to transcode; skipping run.");
-      } else {
-        for i in ingest_files {
-          let ingest_path = Path::new(&self.repository.ingest_dir).join(&i);
-          if io::is_file_locked(&ingest_path.to_str().unwrap()) {
-            info!("{} is currently open in another program; skipping it for this run.", &i);
-            continue;
-          }
-
-          // copy the file to the archive
-          self.repository.archive_file(&i);
-
-          // perform the video transcode
-          self.transcode(&i);
-
-          // remove the source file
-          self.repository.cleanup_file(&i);
-        }
-      }
-
-      // put the loop to sleep for X minutes
-      let sleep_minutes = time::Duration::from_secs((self.config.get_int("transcoder.interval").unwrap() as u64 * 60).into());
-      thread::sleep(sleep_minutes);
-    }
-  }
-
-  fn transcode(&self, file: &str) {
-    let ingest_file = Path::new(&self.repository.ingest_dir).join(file);
-    let video_format = &self.config.get_string("transcoder.video_format").unwrap();
-    let output_stem = Path::new(file).file_stem().unwrap();
-    let output_bits = vec![output_stem.to_str().unwrap(), &video_format];
-    let output_name = output_bits.join(".");
-    let output_file = Path::new(&self.repository.output_dir).join(output_name);
-
-    let video_codec = &self.config.get_string("transcoder.video_codec").unwrap();
-    info!("Transcoding {} to {} with the {} encoder.", ingest_file.display(), output_file.display(), video_codec);
-
-    let cmd_output = process::Command::new("/usr/bin/ffmpeg")
-      .arg("-i")        .arg(&*ingest_file.to_string_lossy())
-      .arg("-y")
-      .arg("-f")        .arg(&video_format)
-      .arg("-c:v")      .arg(&video_codec)
-      .arg("-s")        .arg(&self.config.get_string("transcoder.video_resolution").unwrap())
-      .arg("-r")        .arg(format!("{}", self.config.get_string("transcoder.video_framerate").unwrap()))
-      .arg("-vf")       .arg(format!("format={}", &self.config.get_string("transcoder.video_color").unwrap()))
-      .arg("-profile:v").arg(&self.config.get_string("transcoder.video_profile").unwrap())
-      .arg("-c:a")      .arg(&self.config.get_string("transcoder.audio_codec").unwrap())
-      .arg(&*output_file.to_string_lossy())
-      .output()
-      .expect("Failed to execute command");
-
-    assert!(cmd_output.status.success());
-
-    let results_raw = &String::from_utf8_lossy(&cmd_output.stderr);
-    debug!("{}", results_raw);
-  }
-}

src/util.ts

@@ -0,0 +1,11 @@
+import path from 'path';
+
+export function resolveTilde(filepath: string): string {
+  // if the first character is a tilde, replace it with the user's home
+  if (filepath[0] === '~') {
+    return path.join(process.env.HOME, filepath.slice(1));
+  }
+
+  // return the path untouched
+  return filepath;
+}

src/util/io.rs

@@ -1,61 +0,0 @@
-use std::process;
-
-// checks whether a file is currently open in another program (e.g. still being written)
-pub fn is_file_locked(filepath: &str) -> bool {
-  let cmd = process::Command::new("/usr/bin/lsof")
-    .arg(filepath)
-    .output()
-    .expect("Failed to execute command");
-
-  let results = &String::from_utf8_lossy(&cmd.stdout);
-  println!("{}", results);
-  if results.contains(filepath) {
-    return true;
-  }
-
-  return false;
-}
-
-#[cfg(test)]
-mod tests {
-  use std::fs;
-  use std::mem::drop;
-  use std::path::Path;
-
-  use super::*;
-
-  #[test]
-  fn file_should_not_be_locked() {
-    setup("test-not-locked.txt");
-    assert!(!is_file_locked("test-not-locked.txt"));
-    teardown("test-not-locked.txt");
-  }
-
-  #[test]
-  fn file_should_be_locked() {
-    setup("test-locked.txt");
-    let path = Path::new("test-locked.txt");
-    match fs::File::open(&path) {
-      Err(e) => panic!("couldn't open {}: {}", "test-locked.txt", e),
-      Ok(_) => assert!(is_file_locked("test-locked.txt")),
-    };
-    teardown("test-locked.txt");
-  }
-
-  // get things ready for our tests
-  fn setup(test_file: &str) {
-    let f = match fs::File::create(test_file) {
-      Ok(file) => file,
-      Err(e) => panic!("{:?}", e),
-    };
-    drop(f);
-  }
-
-  // clean up after running tests
-  fn teardown(test_file: &str) {
-    match fs::remove_file(test_file) {
-      Ok(_) => {},
-      Err(e) => panic!("{:?}", e),
-    };
-  }
-}

src/util/mod.rs

@@ -1 +0,0 @@
-pub mod io;