func main() {
flag.Parse()
// Set the satellite.
var dl download.Downloader
switch satellite {
case "himawari":
dl = download.Himawari{Depth: depth}
case "dscovr":
dl = download.Dscovr{}
default:
log.Fatalln("Satellite not recognized. Exiting.")
}
// Start off with a zero time.
lastTime := time.Time{}
for ; ; time.Sleep(every) {
// Get the filename to the latest image.
filename, err := dl.ModifiedSince(lastTime)
if err != nil {
log.Println(err)
continue
}
if filename == "" {
log.Println("No changes since last time. Trying again later...")
continue
}
// There is new image out. Download it.
log.Println("Starting download...")
benchmarkTime := time.Now()
img, err := dl.Download(filename)
if err != nil {
log.Println(err)
continue
}
log.Printf("Done! Download took %s.\n", time.Now().Sub(benchmarkTime))
// Set the image as the background.
// This one's a serious error, so break if it happens.
log.Println("Setting image as background...")
if err := background.Set(img); err != nil {
log.Fatalln(err)
}
// Success. Replace lastTime with the current time.
lastTime = time.Now()
// If we're only doing this once, quit.
if every == 0 {
break
}
}
}
func main() {
flag.Parse()
// Set the satellite.
var dl download.Downloader
switch satellite {
case "himawari":
dl = download.Himawari{Depth: depth}
case "dscovr":
dl = download.Dscovr{}
default:
log.Fatalln("Satellite not recognized. Exiting.")
}
// If a path is supplied, absolute-ify it.
imgPath := ""
if downloadPath != "" {
var err error
if imgPath, err = filepath.Abs(downloadPath); err != nil {
log.Fatalln(err)
}
}
// Start off with a zero time.
lastTime := time.Time{}
for ; ; time.Sleep(every) {
// Get the filename to the latest image.
filename, err := dl.ModifiedSince(lastTime)
if err != nil {
log.Println(err)
continue
}
if filename == "" {
log.Println("No changes since last time. Trying again later...")
continue
}
// There is new image out. Download it.
log.Println("Starting download...")
benchmarkTime := time.Now()
img, err := dl.Download(filename)
if err != nil {
log.Println(err)
continue
}
log.Printf("Done! Download took %s.\n", time.Now().Sub(benchmarkTime))
// Download the image to the location preferred by the platform or user.
backgroundPath := ""
if imgPath != "" {
backgroundPath = imgPath
if err := background.DownloadOnly(img, imgPath); err != nil {
log.Fatalln(err)
}
} else {
var err error
backgroundPath, err = background.PlatformDownload(img)
if err != nil {
log.Fatalln(err)
}
}
// Set the image as the background (if needed).
if !dontSet {
log.Println("Setting image as background...")
if err := background.Set(backgroundPath); err != nil {
log.Fatalln(err)
}
}
// Success. Replace lastTime with the current time.
lastTime = time.Now()
// If we're only doing this once, quit.
if every == 0 {
break
}
}
}