piframe-go/cmd/gui/gui.go

68 lines
1.7 KiB
Go

package main
import (
"fmt"
"log"
"os"
"time"
"github.com/knadh/koanf/providers/confmap"
"github.com/knadh/koanf/providers/posflag"
flag "github.com/spf13/pflag"
"git.kemonine.info/PiFrame/config"
"git.kemonine.info/PiFrame/ui"
)
func main() {
// Command line flag handler
f := flag.NewFlagSet("piframe", flag.ContinueOnError)
f.Usage = func() {
fmt.Println(f.FlagUsages())
os.Exit(0)
}
// Command line flags
f.Bool(config.CLI_FLAG_CONFIG_ONLY, false, "Only show the config UI, NOT the slideshow")
cliFlag := f.Lookup(config.CLI_FLAG_CONFIG_ONLY)
if cliFlag != nil {
cliFlag.NoOptDefVal = "true"
}
// Process command line flags into handler
f.Parse(os.Args[1:])
// Load the config file
pfConfig, configFileProvider := config.LoadConfig()
// Watch for config changes and re-load config if needed
configFileProvider.Watch(func(event interface{}, err error) {
if err != nil {
log.Printf("Error setting up watch of config : %s", err)
return
}
// Give the config UI a chance to save and exit clean
time.Sleep(time.Minute)
// Bail on slideshow if there is a config change so it restarts with updated config
log.Fatalf("Config file changed! Exiting!")
})
// Process command line flags
if err := pfConfig.Load(posflag.Provider(f, ".", pfConfig), nil); err != nil {
log.Fatalf("Error loading command line flags : %s", err)
}
hideSlideshow := pfConfig.Bool(config.CLI_FLAG_CONFIG_ONLY)
// Reset the CLI flag so it's never writted to the config as 'true'
pfConfig.Load(confmap.Provider(map[string]interface{}{
config.CLI_FLAG_CONFIG_ONLY: false,
}, "."), nil)
if !hideSlideshow {
ui.Slideshow(pfConfig)
}
ui.ConfigGui(pfConfig)
}