adept/adept.go

package main

import (
  "log"
  "path/filepath"
  "time"

  "github.com/spf13/viper"

  "git.metaunix.net/BitGoblin/adept/config"
  "git.metaunix.net/BitGoblin/adept/transcoder"
  "git.metaunix.net/BitGoblin/adept/util"
)

func main() {
  // load configuration via Viper
  config.LoadConfig()

  // configure our app logging
  logHandle := config.InitLogging()
  if logHandle != nil {
    defer logHandle.Close()
  }

  // initialize the video repository
  r := transcoder.NewRepository(viper.GetString("transcoder.repository"))

  // main program loop - runs infinitely until externally terminated
  for {
    ingestFiles := r.SearchIngest()

    if len(ingestFiles) < 1 {
      log.Println("There were no files found in ingest to transcode; skipping run.")
    } else {
      for _, i := range ingestFiles {
        // check if the file is open in another program (e.g. still being written to)
        if util.IsFileLocked(filepath.Join(viper.GetString("transcoder.repository"), "ingest", i.Name())) {
          log.Printf("%s appears to be open in another program; skipping it for this run.", i.Name())
          continue
        }

        // archive file
        r.ArchiveFile(i.Name())
        // transcode file
        transcoder.Transcode(i.Name())
        // clean up source file
        r.CleanupFile(i.Name())
      }
    }

    // sleep for X minutes - specified in the adept.toml config file
    interval := viper.GetInt("transcoder.interval")
    time.Sleep(time.Duration(interval) * time.Minute)
  }
}