adept/transcoder/repository.go

96 lines
2.1 KiB
Go

package transcoder
import (
"io"
"log"
"path/filepath"
"os"
)
type Repository struct {
basePath string
}
func NewRepository(path string) *Repository {
// make sure repository base directory exists
create_repo_dir(path)
// make sure the ingest, archive, and output directories exist
subDirs := []string{"ingest", "archive", "output"}
for _, d := range subDirs {
subPath := filepath.Join(path, d)
create_repo_dir(subPath)
}
r := new(Repository)
r.basePath = path
return r
}
func (r *Repository) SearchIngest() []os.FileInfo {
ingestPath := filepath.Join(r.basePath, "ingest")
ingestDir, err := os.Open(ingestPath)
if err != nil {
log.Fatalf("Error opening ingest directory: %s", err)
os.Exit(1)
}
files, err := ingestDir.Readdir(0)
if err != nil {
log.Fatalf("Error searching for files in ingest: %s", err)
os.Exit(1)
}
return files
}
func (r *Repository) ArchiveFile(inFile string) {
// create ingest and archive paths
ingestPath := filepath.Join(r.basePath, "ingest", inFile)
archivePath := filepath.Join(r.basePath, "archive", inFile)
log.Printf("Copying %s to the archive.", ingestPath)
// open ingest file
source, err := os.Open(ingestPath)
if err != nil {
log.Fatalf("Error opening file in ingest: %s.", err)
os.Exit(1)
}
defer source.Close()
// attempt to create destination file
destination, err := os.Create(archivePath)
if err != nil {
log.Fatalf("Error opening archive file: %s.", err)
os.Exit(1)
}
defer destination.Close()
destination.Chmod(0755)
// perform the file copy
_, err = io.Copy(destination, source)
if err != nil {
log.Fatalf("Error while archiving file from ingest: %s.", err)
os.Exit(1)
}
}
func (r *Repository) CleanupFile(inFile string) {
// create ingest path
ingestPath := filepath.Join(r.basePath, "ingest", inFile)
// remove the file
os.Remove(ingestPath)
}
func create_repo_dir(path string) {
_, err := os.Stat(path)
if os.IsNotExist(err) {
log.Printf("Creating directory %s.\n", path)
os.Mkdir(path, 0755)
} else {
log.Printf("Directory %s already exists.\n", path)
}
}