You can now run simple yes/no polls.

.gitignore

@@ -34,3 +34,4 @@ public
 *.log
 secret.json
 config.json
+actions.json

main.go

@@ -1,19 +1,23 @@
 package main
 
 import (
+  "encoding/json"
+  "errors"
+  "flag"
+  "fmt"
   "log"
+  "net/http"
+  "net/url"
   "os"
+  "regexp"
   "strings"
-  "encoding/json"
   "time"
-  "net/http"
-  "net/url"
-  "fmt"
-  "flag"
 
   "github.com/gempir/go-twitch-irc/v4"
 )
 
+var COMMAND_RE = regexp.MustCompile(`^(\$|!)([a-z_]+) ?(.*)?$`)
+
 type Secret struct {
   ClientID string
   ClientSecret string
@@ -34,6 +38,26 @@ type Config struct {
   Periodic []Periodic
 }
 
+type Poll struct {
+  Active bool
+  Text string
+  Yes int
+  No int
+}
+
+type Bot struct {
+  Secrets Secret
+  Config Config
+  Client *twitch.Client
+  CurrentPoll Poll
+}
+
+type Command struct {
+  Type string
+  Command string
+  Text string
+}
+
 type TwitchTokenResponse struct {
 	AccessToken  string   `json:"access_token"`
 	RefreshToken string   `json:"refresh_token"`
@@ -60,13 +84,13 @@ func RunPeriodic(message Periodic, channel string, client *twitch.Client) {
   }
 }
 
-func RefreshToken(secrets* Secret) {
+func (bot *Bot) RefreshToken() {
   api_url := "https://id.twitch.tv/oauth2/token"
   data := url.Values{}
-  data.Set("client_id", secrets.ClientID)
-  data.Set("client_secret", secrets.ClientSecret)
+  data.Set("client_id", bot.Secrets.ClientID)
+  data.Set("client_secret", bot.Secrets.ClientSecret)
   data.Set("grant_type", "refresh_token")
-  data.Set("refresh_token", secrets.RefreshToken)
+  data.Set("refresh_token", bot.Secrets.RefreshToken)
 
   encoded := strings.NewReader(data.Encode())
   resp, err := http.Post(api_url,"application/x-www-form-urlencoded", encoded)
@@ -83,10 +107,10 @@ func RefreshToken(secrets* Secret) {
   err = json.NewDecoder(resp.Body).Decode(&token_resp)
   if err != nil { log.Fatal(err) }
 
-  secrets.AccessToken = fmt.Sprintf("oauth:%s", token_resp.AccessToken);
+  bot.Secrets.AccessToken = fmt.Sprintf("oauth:%s", token_resp.AccessToken);
 }
 
-func LoadConfigs() (Secret, Config) {
+func (bot *Bot) LoadConfigs() {
   var secrets_file string
   var config_file string
   var action_file string
@@ -100,71 +124,172 @@ func LoadConfigs() (Secret, Config) {
   log.Println("Loading config from", config_file)
   log.Println("Loading actions from", action_file)
 
-  secrets := LoadJSON[Secret](secrets_file)
-  config := LoadJSON[Config](config_file)
-  config.Actions = LoadJSON[map[string]string](action_file)
+  bot.Secrets = LoadJSON[Secret](secrets_file)
+  bot.Config = LoadJSON[Config](config_file)
+  bot.Config.Actions = LoadJSON[map[string]string](action_file)
+}
+
+func ParseCommand(message string) (Command, error) {
+  matches := COMMAND_RE.FindStringSubmatch(message)
 
-  return secrets, config
+  if matches == nil {
+    return Command{}, errors.New("Invalid command format.")
   }
 
-func main() {
-  SECRETS, CONFIG := LoadConfigs()
+  result := Command{
+    matches[1],
+    matches[2],
+    matches[3],
+  }
 
-  RefreshToken(&SECRETS)
+  return result, nil
+}
 
-  // or client := twitch.NewAnonymousClient() for an anonymous user (no write capabilities)
-  client := twitch.NewClient(CONFIG.ClientNick, SECRETS.AccessToken)
+func (bot *Bot) StreamerAction(message twitch.PrivateMessage) {
+  if !message.User.IsBroadcaster {
+    log.Println("! A StreamerAction message was sent by someone not marked as Broadcaster")
+    return
+  }
 
-  client.OnPrivateMessage(func(message twitch.PrivateMessage) {
-    // not sure if this is good enough for auth
+  cmd, err := ParseCommand(message.Message)
+  if err != nil {
+    fmt.Println(err)
+    return
+  }
+
+  switch cmd.Command {
+  case "poll_start":
+    if cmd.Text == "" { return }
+
+    bot.CurrentPoll.Active = true
+    bot.CurrentPoll.Text = cmd.Text
+    bot.CurrentPoll.Yes = 0
+    bot.CurrentPoll.No = 0
+
+    announce := fmt.Sprintf("New Poll: %s. Use 1, yes or true; 0, no or false to reply.", bot.CurrentPoll.Text)
+
+    bot.Send(message, announce)
+  case "poll_end":
+    bot.CurrentPoll.Active = false
+    bot.CurrentPoll.Text = fmt.Sprintf(
+          "Poll Has Ended: \"%s\" Yes=%d, No=%d",
+            bot.CurrentPoll.Text, bot.CurrentPoll.Yes, bot.CurrentPoll.No)
+    bot.Send(message, bot.CurrentPoll.Text)
+  }
+}
+
+
+func (bot *Bot) TryPoll(message twitch.PrivateMessage) bool {
+  switch message.Message {
+  case "yes", "1", "true":
+    bot.CurrentPoll.Yes += 1
+    return true
+  case "no", "0", "false":
+    bot.CurrentPoll.No += 1
+    return true
+  }
+
+  return false
+}
+
+func (bot *Bot) Send(message twitch.PrivateMessage, text string) {
+  bot.Client.Say(message.Channel, text)
+}
 
-    cmd, found := strings.CutPrefix(message.Message, "!")
-    if !found { return }
+func (bot *Bot) Reply(message twitch.PrivateMessage, text string) {
+  bot.Client.Reply(message.Channel, message.ID, text)
+}
 
-    // see if it's a valid action
-    action, is_action := CONFIG.Actions[strings.ToLower(cmd)]
+func (bot *Bot) SendHelp(message twitch.PrivateMessage) {
+  bot.Reply(message, "Invalid command. Use !help to see what's available.")
+}
 
-    if is_action && message.User.IsBroadcaster {
-      log.Println("Hitting URL", action)
-      return;
+func (bot *Bot) ViewerAction(message twitch.PrivateMessage) {
+  cmd, err := ParseCommand(message.Message)
+  if err != nil || cmd.Type != "!" {
+    bot.SendHelp(message)
+    return
   }
 
+  switch cmd.Command {
+  case "poll":
+    if bot.CurrentPoll.Active {
+      bot.Reply(message,
+        fmt.Sprintf("Current Poll: %s, Yes=%d, No=%d",
+          bot.CurrentPoll.Text, bot.CurrentPoll.Yes, bot.CurrentPoll.No))
+    } else {
+      bot.Reply(message, "No poll currently active.")
+    }
+  default:
     // see if it's a normal command
-    reply, valid_cmd := CONFIG.Commands[strings.ToLower(cmd)]
+    reply, valid_cmd := bot.Config.Commands[strings.ToLower(cmd.Command)]
 
     if valid_cmd {
-      client.Reply(message.Channel, message.ID, reply)
+      bot.Reply(message, reply)
     } else if !valid_cmd {
-      client.Reply(message.Channel, message.ID, "Invalid command. Use !help to see what's available.")
+      bot.SendHelp(message)
+    }
+  }
 }
-  })
 
-  client.OnSelfJoinMessage(func (message twitch.UserJoinMessage) {
-    log.Println("Join", message.Channel, "as", message.User, "successful")
-  })
+func (bot *Bot) HandleMessage(message twitch.PrivateMessage) {
+  // not sure if this is good enough for auth
+  if strings.HasPrefix(message.Message, "$") && message.User.IsBroadcaster {
+    bot.StreamerAction(message)
+  } else if bot.CurrentPoll.Active && bot.TryPoll(message) {
+    return
+  } else if strings.HasPrefix(message.Message, "!") {
+    bot.ViewerAction(message)
+  }
+}
+
+func (bot *Bot) CreateClient() {
+  // or client := twitch.NewAnonymousClient() for an anonymous user (no write capabilities)
+  bot.Client = twitch.NewClient(bot.Config.ClientNick, bot.Secrets.AccessToken)
 
-  client.OnConnect(func () {
-    log.Println("Connected. Joining", CONFIG.Channel)
-    client.Join(CONFIG.Channel)
+  bot.Client.OnPrivateMessage(func (message twitch.PrivateMessage) {
+    bot.HandleMessage(message)
   })
 
-  client.OnPingMessage(func (message twitch.PingMessage) {
-    log.Println("PING!", message.Message)
+  bot.Client.OnSelfJoinMessage(func (message twitch.UserJoinMessage) {
+    log.Println("Join", message.Channel, "as", message.User, "successful")
   })
 
-  client.OnPongMessage(func (message twitch.PongMessage) {
-    log.Println("PONG!", message.Message)
+  bot.Client.OnConnect(func () {
+    log.Println("Connected. Joining", bot.Config.Channel)
+    bot.Client.Join(bot.Config.Channel)
   })
 
-  client.OnNoticeMessage(func (message twitch.NoticeMessage) {
+  bot.Client.OnNoticeMessage(func (message twitch.NoticeMessage) {
     log.Println("NOTICE", message.Channel, message.Message)
   })
+}
 
-  for _, perodic := range(CONFIG.Periodic) {
-    go RunPeriodic(perodic, CONFIG.Channel, client)
+func (bot *Bot) RunPeriodic() {
+  for _, perodic := range(bot.Config.Periodic) {
+    go RunPeriodic(perodic, bot.Config.Channel, bot.Client)
+  }
 }
 
+func (bot *Bot) Connect() {
   log.Println("Connecting to Twitch...")
-  err := client.Connect()
+  err := bot.Client.Connect()
   if err != nil { log.Fatal(err) }
 }
+
+func CreateBot() *Bot {
+  var bot Bot
+
+  bot.CurrentPoll.Active = false
+  bot.LoadConfigs()
+  bot.RefreshToken()
+  bot.CreateClient()
+
+  return &bot
+}
+
+func main() {
+  bot := CreateBot()
+  bot.RunPeriodic()
+  bot.Connect()
+}