deleted messages are now send to their authors via DM

solves an issue where people would lose long messages due to
accidentally using banned words

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Selphybot Changelog
 Updates are listed in reverse chronological order.
 
+### 1.4 (dev)
+- a copy of each deleted message is now send via DM to the author (suggested by CommanderLook)
+- seasonal fluff
+
 ### 1.3
 - use global array of pointers to commands to allow easier modification and avoid unnecessary memcpy
 - added feedback to !complain (used to work but was forgotten when refactoring)

command.go

@@ -128,7 +128,7 @@ func executeCommand(session *discordgo.Session, message *discordgo.MessageCreate
                 session.ChannelMessageSendEmbed(message.ChannelID, command.OutputEmbed)
             }
             if command.DeleteInput {
-                session.ChannelMessageDelete(message.ChannelID, message.ID)
+                deleteAndSendViaDM(session, message)
             }
         } else {
             // execute custom function
@@ -146,6 +146,13 @@ func removeCooldown(command *Command, uid string) {
     }
 }
 
+func deleteAndSendViaDM(s *discordgo.Session, message *discordgo.MessageCreate) {
+    s.ChannelMessageDelete(message.ChannelID, message.ID)
+    dm := getDMChannelFromMessage(s, message)
+    s.ChannelMessageSend(dm.ID, "Deine Nachricht wurde gelöscht, weil sie ein verbotenes Wort enthielt. Falls du sie editieren und erneut abschicken willst, hier die Nachricht:")
+    s.ChannelMessageSend(dm.ID, message.Content)
+}
+
 func generateReply(message *discordgo.MessageCreate, command *Command) string {
     output := command.Output
     if command.OutputIsReply {

helpers.go

@@ -42,6 +42,11 @@ func isDM(s *discordgo.Session, m *discordgo.MessageCreate) bool {
     return (getChannel(s.State, m.ChannelID).Type == discordgo.ChannelTypeDM)
 }
 
+func getDMChannelFromMessage(s *discordgo.Session, m *discordgo.MessageCreate) *discordgo.Channel {
+    dm, _ := s.UserChannelCreate(m.Author.ID)
+    return dm
+}
+
 func isAdmin(u *discordgo.User) bool {
     for _, admin := range config.Admins {
         if u.ID == admin {

main.go

@@ -68,8 +68,8 @@ func addCommands() {
     registerCommand(Command{Trigger: "/o\\", Output: "\\o/", Type: CommandTypeFullMatch, Cooldown: 10})
     registerCommand(Command{Trigger: "!heil", Output: "(ﾉ･ｪ･)ﾉ Selphy (ﾉ･ｪ･)ﾉ", Type: CommandTypeFullMatch, Cooldown: 30})
     registerCommand(Command{Trigger: "ayy", Output: "lmao", Type: CommandTypeFullMatch, Cooldown: 0})
+    registerCommand(Command{Trigger: "<:selphyPadoru:525766188240732180>", Output: "<:selphypadoru:526644596558659594> Padoru <:selphypadoru:526644596558659594> Padoru <:selphypadoru:526644596558659594> Pado Padoru <:selphypadoru:526644596558659594>", Type: CommandTypeFullMatch, Cooldown: 10800})
     registerCommand(Command{Trigger: "<:selphyDango:507979223244341267>", Output: "<:dango:430669469799677953> :notes: Dango Daikazoku :notes: <:dango:430669469799677953>", Type: CommandTypeFullMatch, Cooldown: 10800})
-    registerCommand(Command{Trigger: "<:selphyBoo:501622721881571329>", Output: "<:dango:430669469799677953> :notes: Dango Daikazobuh :notes: <:dango:430669469799677953>", Type: CommandTypeFullMatch, Cooldown: 10800})
     registerCommand(Command{Trigger: "praise the sun", Output: "If only I could be so grossly incandescent \\\\[T]/", Type: CommandTypeContains, IgnoreCase: true, Cooldown: 85600})
 
     // Information