81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
package config
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import (
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"os"
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"strconv"
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"strings"
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"time"
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"git.velvettear.de/velvettear/loggo"
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)
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var ServerAddress string
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var ServerPort int
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var Directory string
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var ScanInterval time.Duration
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var Resolution string
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var PaletteAlgorithm int
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var PaletteColors int
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// initialize the config
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func Initialize() {
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loggo.SetLogLevelByName(os.Getenv("SLIDESHOW_LOGLEVEL"))
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ServerAddress = os.Getenv("SLIDESHOW_ADDRESS")
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tmpInt, _ := strconv.Atoi(os.Getenv("SLIDESHOW_PORT"))
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if tmpInt <= 0 {
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tmpInt = 3000
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}
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ServerPort = tmpInt
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Directory = os.Getenv("SLIDESHOW_DIRECTORY")
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if len(Directory) == 0 {
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tmp, error := os.UserHomeDir()
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if error != nil {
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loggo.Fatal("encountered an error getting the current user's home directory", error.Error())
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}
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Directory = tmp
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}
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stats, error := os.Stat(Directory)
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if error != nil {
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loggo.Fatal("encountered an error checking the directory '"+Directory+"'", error.Error())
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}
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if !stats.IsDir() {
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loggo.Fatal("configured directory '" + Directory + "' is not a valid directory")
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}
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tmpInt, _ = strconv.Atoi(os.Getenv("SLIDESHOW_SCANINTERVAL"))
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if tmpInt <= 0 {
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tmpInt = 60
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}
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ScanInterval = time.Duration(tmpInt) * time.Second
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Resolution = os.Getenv("SLIDESHOW_RESOLUTION")
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if len(Resolution) > 0 {
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width, height, found := strings.Cut(Resolution, "x")
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if !found {
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loggo.Fatal("encountered an error parsing the configured resolution, make sure to specify the format like '1920x1080'")
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}
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_, error = strconv.Atoi(width)
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if error != nil {
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loggo.Fatal("encountered an error parsing the configured width '" + width + "'")
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}
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_, error = strconv.Atoi(height)
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if error != nil {
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loggo.Fatal("encountered an error parsing the configured height '" + height + "'")
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}
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}
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tmpString := os.Getenv("SLIDESHOW_PALETTE_ALGORITHM")
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if strings.ToLower(tmpString) == "wu" {
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PaletteAlgorithm = 0
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} else {
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PaletteAlgorithm = 1
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}
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tmpInt, _ = strconv.Atoi(os.Getenv("SLIDESHOW_PALETTE_COLORS"))
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if tmpInt <= 0 {
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tmpInt = 16
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}
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PaletteColors = tmpInt
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}
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// check if a resolution has been specified
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func IsResolutionSet() bool {
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return len(Resolution) > 0
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}
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