helpers and logging

main.go

@@ -8,6 +8,7 @@ import (
     "os/signal"
     "syscall"
     "regexp"
+    "log"
     "github.com/bwmarrin/discordgo"
 )
 
@@ -42,8 +43,6 @@ func readConfig() Config {
     return conf
 }
 
-
-
 func main() {
     dg, err := discordgo.New("Bot " + config.Token)
     if err != nil {
@@ -59,6 +58,13 @@ func main() {
         return
     }
 
+    f, err := os.OpenFile("selphybot.log", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
+    if err != nil {
+        fmt.Println("error opening log file: %v", err)
+    }
+    defer f.Close()
+    log.SetOutput(f)
+
     fmt.Println("bot running. selphyWoo")
     sc := make(chan os.Signal, 1)
     signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
@@ -71,12 +77,42 @@ func onJoin(s *discordgo.Session, member *discordgo.GuildMemberAdd) {
     if !member.User.Bot {
         s.GuildMemberRoleAdd(config.ServerID, member.User.ID, config.LockedRoleID)
     }
+    log.Printf("User joined: %s", userToString(member.User))
 }
 
 func unlockUser(s *discordgo.Session, id string) {
     s.GuildMemberRoleRemove(config.ServerID, id, config.LockedRoleID)
+    log.Printf("Removed lock from user: %s", userToString(getUser(s, id)))
+}
+
+func userToString(u *discordgo.User) string {
+    return fmt.Sprintf("%s#%s (ID: %s)", u.Username, u.Discriminator, u.ID)
+}
+
+func channelToString(c *discordgo.Channel) string {
+    return fmt.Sprintf("%s (ID: %s) on %s", c.Name, c.ID, c.GuildID)
+}
+
+func messageToString(m *discordgo.Message) string {
+    return fmt.Sprintf("<%s#%s>: %s", m.Author.Username, m.Author.Discriminator, m.Content)
+}
+
+func getChannel(s *discordgo.State, cid string) *discordgo.Channel {
+    channel, _ := s.Channel(cid)
+    return channel
+}
+
+func getUser(s *discordgo.Session, uid string) *discordgo.User {
+    user, _ := s.User(uid)
+    return user
 }
 
+/*func undelete(s *discordgo.Session, m *discordgo.MessageDelete) {
+    channel, _ := s.State.Channel(m.ChannelID)
+    message, _ := s.State.Message(m.ChannelID, m.ID)
+    log.Println(fmt.Sprintf("Someone deleted a message in %s: “%s”", channel.Name, messageToString(message)))
+}*/
+
 func genericReply(s *discordgo.Session, m *discordgo.MessageCreate) {
     if m.Author.ID == s.State.User.ID {
         return
@@ -97,14 +133,18 @@ func genericReply(s *discordgo.Session, m *discordgo.MessageCreate) {
     if winks {
         s.ChannelMessageSend(m.ChannelID, fmt.Sprintf("<@%s> faggot", m.Author.ID))
         s.ChannelMessageDelete(m.ChannelID, m.ID)
+        channel := getChannel(s.State, m.ChannelID)
+        log.Printf("Deleted message by %s in %s. Content: “%s”", userToString(m.Author), channelToString(channel), m.Content)
         return
     }
 
     // As per our majesty’s command:
     if m.Content == "\\o" {
         s.ChannelMessageSend(m.ChannelID, "o/")
+        log.Printf("o/ at %s", userToString(m.Author))
     } else if m.Content == "o/" {
         s.ChannelMessageSend(m.ChannelID, "\\o")
+        log.Printf("\\o at %s", userToString(m.Author))
     }
 }
 
@@ -113,6 +153,8 @@ func genericReply(s *discordgo.Session, m *discordgo.MessageCreate) {
 
 func replyGodmode(s *discordgo.Session, m *discordgo.MessageCreate) {
     if m.Content == "print_rules()" {
+        channel := getChannel(s.State, m.ChannelID)
+        log.Printf("print_rules() triggered by %s in %s.", userToString(m.Author), channelToString(channel))
         embedColor := 0xffb90f // kageru gold
         embed := &discordgo.MessageEmbed{
                 Author:      &discordgo.MessageEmbedAuthor{},