twitchsingstools/main.go

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package main
import (
"encoding/json"
"io/ioutil"
"math/rand"
"os"
"path/filepath"
"time"
builtins "git.martyn.berlin/martyn/twitchsingstools/internal/builtins"
irc "git.martyn.berlin/martyn/twitchsingstools/internal/irc"
webserver "git.martyn.berlin/martyn/twitchsingstools/internal/webserver"
rgb "github.com/foresthoffman/rgblog"
scribble "github.com/nanobox-io/golang-scribble"
)
type customStringsStruct struct {
Strings []string `json:"strings,omitempty"`
}
var selectablePrompts []string
var customStrings customStringsStruct
var config irc.ConfigStruct
func readConfig() {
var data []byte
var err error
configFile := ""
if os.Getenv("TSTOOLS_CONFIGFILE") != "" {
if _, err := os.Stat(os.Getenv("TSTOOLS_CONFIGFILE")); os.IsNotExist(err) {
rgb.RPrintf("[%s] Error, TSTOOLS_CONFIGFILE env var set and '%s' doesn't exist!\n", irc.TimeStamp(), os.Getenv("TSTOOLS_CONFIGFILE"))
os.Exit(1)
}
configFile = os.Getenv("TSTOOLS_CONFIGFILE")
} else {
ex, err := os.Executable()
if err != nil {
rgb.YPrintf("[%s] Warning, TSTOOLS_CONFIGFILE env var unset and cannot find executable!\n", irc.TimeStamp())
}
exPath := filepath.Dir(ex)
if _, err := os.Stat(exPath + "/config.json"); os.IsNotExist(err) {
rgb.YPrintf("[%s] Warning, TSTOOLS_CONFIGFILE env var unset and `config.json` not alongside executable!\n", irc.TimeStamp())
if _, err := os.Stat("/etc/tstools/config.json"); os.IsNotExist(err) {
rgb.RPrintf("[%s] Error, TSTOOLS_CONFIGFILE env var unset and neither '%s' nor '%s' exist!\n", irc.TimeStamp(), exPath+"/config.json", "/etc/tstools/config.json")
os.Exit(1)
} else {
configFile = "/etc/tstools/config.json"
}
} else {
configFile = exPath + "/config.json"
}
}
data, err = ioutil.ReadFile(configFile)
if err != nil {
rgb.RPrintf("[%s] Could not read `%s`. File reading error: %s\n", irc.TimeStamp(), configFile, err)
os.Exit(1)
}
err = json.Unmarshal(data, &config)
if err != nil {
rgb.RPrintf("[%s] Could not unmarshal `%s`. Unmarshal error: %s\n", irc.TimeStamp(), configFile, err)
os.Exit(1)
}
rgb.YPrintf("[%s] Read config file from `%s`\n", irc.TimeStamp(), configFile)
rgb.YPrintf("[%s] config %v\n", irc.TimeStamp(), config)
return
}
//openDatabase "database" in this sense being a scribble db
func openDatabase() *scribble.Driver {
dataPath := ""
if config.DataPath == "" {
if os.Getenv("TSTOOLS_DATA_FOLDER") != "" {
if _, err := os.Stat(os.Getenv("TSTOOLS_DATA_FOLDER")); os.IsNotExist(err) {
rgb.RPrintf("[%s] Error, TSTOOLS_DATA_FOLDER env var set and '%s' doesn't exist!\n", irc.TimeStamp(), os.Getenv("TSTOOLS_DATA_FOLDER"))
os.Exit(1)
}
dataPath = os.Getenv("TSTOOLS_DATA_FOLDER")
} else {
ex, err := os.Executable()
if err != nil {
rgb.RPrintf("[%s] Error, TSTOOLS_DATA_FOLDER env var unset and cannot find executable!\n", irc.TimeStamp())
os.Exit(1)
}
exPath := filepath.Dir(ex)
if _, err := os.Stat(exPath + "/data"); os.IsNotExist(err) {
rgb.YPrintf("[%s] Warning %s doesn't exist, trying to create it.\n", irc.TimeStamp(), exPath+"/data")
err = os.Mkdir(exPath+"/data", 0770)
if err != nil {
rgb.RPrintf("[%s] Error cannot create %s: %s!\n", irc.TimeStamp(), exPath+"/data", err)
os.Exit(1)
}
}
dataPath = exPath + "/data"
}
} else {
if _, err := os.Stat(config.DataPath); os.IsNotExist(err) {
rgb.RPrintf("[%s] Error, config-specified path '%s' doesn't exist!\n", irc.TimeStamp(), config.DataPath)
os.Exit(1)
}
dataPath = config.DataPath
}
db, err := scribble.New(dataPath, nil)
if err != nil {
rgb.RPrintf("[%s] Error opening database in '%s' : %s\n", irc.TimeStamp(), dataPath, err)
os.Exit(1)
}
return db
}
var buildDate string
func main() {
rgb.YPrintf("[%s] starting twitchsingstools bot build %s\n", irc.TimeStamp(), buildDate)
readConfig()
rand.Seed(time.Now().UnixNano())
for _, val := range builtins.Karaokards {
selectablePrompts = append(selectablePrompts, val)
}
persistentData := openDatabase()
var dbGlobalPrompts []string
if err := persistentData.Read("prompts", "global", &dbGlobalPrompts); err != nil {
persistentData.Write("prompts", "common", dbGlobalPrompts)
}
selectablePrompts := append(selectablePrompts, dbGlobalPrompts...)
rgb.YPrintf("[%s] %d prompts available.\n", irc.TimeStamp(), len(selectablePrompts))
ircOauthPath := ""
if config.IrcOAuthPath == "" {
if os.Getenv("TSTOOLS_OAUTH_JSON") != "" {
if _, err := os.Stat(os.Getenv("TSTOOLS_OAUTH_JSON")); os.IsNotExist(err) {
os.Exit(1)
}
ircOauthPath = os.Getenv("TSTOOLS_OAUTH_JSON")
} else {
if _, err := os.Stat(os.Getenv("HOME") + "/.tstools/ircoauth.json"); os.IsNotExist(err) {
rgb.YPrintf("[%s] Warning %s doesn't exist, trying %s next!\n", irc.TimeStamp(), os.Getenv("HOME")+"/.tstools/ircoauth.json", "/etc/tstools/ircoauth.json")
if _, err := os.Stat("/etc/tstools/ircoauth.json"); os.IsNotExist(err) {
rgb.YPrintf("[%s] Error %s doesn't exist either, cannot connect to irc!\n", irc.TimeStamp(), "/etc/tstools/ircoauth.json")
} else {
ircOauthPath = "/etc/tstools/ircoauth.json"
}
} else {
ircOauthPath = os.Getenv("HOME") + "/.tstools/ircoauth.json"
}
}
} else {
if _, err := os.Stat(config.IrcOAuthPath); os.IsNotExist(err) {
rgb.YPrintf("[%s] Error config-specified oauth file %s doesn't exist, cannot connect to irc!\n", irc.TimeStamp(), config.IrcOAuthPath)
} else {
ircOauthPath = config.IrcOAuthPath
}
}
appOauthPath := ""
if config.AppOAuthPath == "" {
if os.Getenv("TSTOOLS_OAUTH_JSON") != "" {
if _, err := os.Stat(os.Getenv("TSTOOLS_OAUTH_JSON")); os.IsNotExist(err) {
os.Exit(1)
}
appOauthPath = os.Getenv("TSTOOLS_OAUTH_JSON")
} else {
if _, err := os.Stat(os.Getenv("HOME") + "/.tstools/appoauth.json"); os.IsNotExist(err) {
rgb.YPrintf("[%s] Warning %s doesn't exist, trying %s next!\n", irc.TimeStamp(), os.Getenv("HOME")+"/.tstools/appoauth.json", "/etc/tstools/appoauth.json")
if _, err := os.Stat("/etc/tstools/appoauth.json"); os.IsNotExist(err) {
rgb.YPrintf("[%s] Error %s doesn't exist either, bailing!\n", irc.TimeStamp(), "/etc/tstools/appoauth.json")
os.Exit(1)
}
appOauthPath = "/etc/tstools/appoauth.json"
} else {
appOauthPath = os.Getenv("HOME") + "/.tstools/appoauth.json"
}
}
} else {
if _, err := os.Stat(config.AppOAuthPath); os.IsNotExist(err) {
rgb.YPrintf("[%s] Error config-specified oauth file %s doesn't exist, bailing!\n", irc.TimeStamp(), config.AppOAuthPath)
os.Exit(1)
}
appOauthPath = config.AppOAuthPath
}
// Replace the channel name, bot name, and the path to the private directory with your respective
// values.
var myBot irc.KardBot
if ircOauthPath != "" {
myBot = irc.KardBot{
Channel: "twitchsingstools",
MsgRate: time.Duration(20/30) * time.Millisecond,
Name: "twitchsingstools",
Port: "6667",
IrcPrivatePath: ircOauthPath,
AppPrivatePath: appOauthPath,
Server: "irc.chat.twitch.tv",
Prompts: selectablePrompts,
Database: *persistentData,
Config: config,
}
}
go func() {
rgb.YPrintf("[%s] Starting webserver on port %s\n", irc.TimeStamp(), "5353")
webserver.HandleHTTP(&myBot)
}()
if ircOauthPath != "" {
myBot.Start()
}
}