Cleanup fim so it can properly handle album selections ; need to play tricks due to fim NOT supporting mulitple directories via CLI
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This commit is contained in:
KemoNine 2020-09-05 02:08:57 -04:00
parent 7afb3f17ee
commit 5eab31f093

View file

@ -3,7 +3,9 @@ package ui
import (
"context"
"io"
"io/ioutil"
"log"
"os"
"os/exec"
"syscall"
"time"
@ -11,19 +13,102 @@ import (
"github.com/eiannone/keyboard"
"github.com/knadh/koanf"
pfconfig "git.kemonine.info/PiFrame/config"
"git.kemonine.info/PiFrame/config"
)
const (
CMD_FIM = "/usr/local/bin/pf-fim.sh"
PATH_TEMP_FOR_SLIDESHOW = "/run/piframe/fim"
)
func Slideshow(config *koanf.Koanf) {
func Slideshow(pfconfig *koanf.Koanf) {
// Prep folder setup needed for fim
// fim does NOT allow multiple folders passed on the CLI (as far as KemoNine can tell)
// We build a temp folder stup in /run/piframe/fim that has symlinks to selected albums
// After we build up this directory setup we'll kick off fim against the temp dir with recursive
// /run is a tmpfs so this won't wear on the sd card storage
// Create temp folder
_, err := os.Stat(PATH_TEMP_FOR_SLIDESHOW)
if os.IsNotExist(err) {
errDir := os.MkdirAll(PATH_TEMP_FOR_SLIDESHOW, 0755)
if errDir != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
}
// Cleanup temp folder if it already existed
dirRead, err := os.Open(PATH_TEMP_FOR_SLIDESHOW)
if err != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
dirFiles, err := dirRead.Readdir(0)
if err != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
// Loop over the directory's files.
for index := range(dirFiles) {
fileHere := dirFiles[index]
// Get name of file and its full path.
nameHere := fileHere.Name()
fullPath := PATH_TEMP_FOR_SLIDESHOW + "/" + nameHere
// Remove the file.
err = os.Remove(fullPath)
if err != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
}
// Setup symlinks to selected albums to be used with slideshow
// Add albums full paths to command line args for fim
albumRootPath := pfconfig.String(config.CONFIG_KEY_ALBUMS_ROOT)
for _, album := range pfconfig.Strings(config.CONFIG_KEY_ALBUMS_SELECTED) {
source := albumRootPath + album
destination := PATH_TEMP_FOR_SLIDESHOW + album
if album == "/" {
files, err := ioutil.ReadDir(albumRootPath)
if err != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
for _, file := range files {
filePath := albumRootPath + "/" + file.Name()
fileStat, err := os.Stat(filePath)
if err != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
mode := fileStat.Mode()
if mode.IsRegular() {
err = os.Symlink(filePath, PATH_TEMP_FOR_SLIDESHOW + "/" + file.Name())
if err != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
}
}
continue
}
err = os.Symlink(source, destination)
if err != nil {
log.Fatalf("Error setting up slideshow : %s", err)
}
}
// fim placeholder so we can operate on it when a exit slideshow is received
var fim *exec.Cmd = nil
// Run slideshow
fim = exec.Command(CMD_FIM)
// Prep slideshow command and arguments
// NOTE: The random flag is seeded with time() ; this is bad as we will be restarting the slideshow at about the same time per the configurd schedule
// We use the non-seeded form to ensure that it's a little more random (or at least hope it's a little more random)
CMD_FIM := "/usr/bin/fim"
ARGS_FIM := []string{"--no-commandline", "--no-history", "--etc-fimrc", "/usr/local/etc/fimrc",
"--device", "/dev/fb0", "--vt", "1",
"--execute-commands-early", "\"clear\"", "--final-commands", "\"clear\"",
"--autozoom", "--random-no-seed", "--recursive", "--cd-and-readdir",
PATH_TEMP_FOR_SLIDESHOW}
// fim command that'll be executed
fim = exec.Command(CMD_FIM, ARGS_FIM...)
// Put fim into a process group so ALL processes that may be executed are exited when main process exits
fim.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
@ -34,7 +119,7 @@ func Slideshow(config *koanf.Koanf) {
}
// Advance slideshow every interval as defined in const()
ticker := time.NewTicker(config.Duration(pfconfig.CONFIG_KEY_SLIDESHOW_INTERVAL))
ticker := time.NewTicker(pfconfig.Duration(config.CONFIG_KEY_SLIDESHOW_INTERVAL))
stop_ticker := make(chan struct{})
go func() {
for {
@ -101,7 +186,7 @@ func Slideshow(config *koanf.Koanf) {
if err != nil {
log.Fatalf("Error controlling fim : %s", err)
}
ticker.Reset(config.Duration(pfconfig.CONFIG_KEY_SLIDESHOW_INTERVAL))
ticker.Reset(pfconfig.Duration(config.CONFIG_KEY_SLIDESHOW_INTERVAL))
}
}
}