Add delete action for single message

Signed-off-by: Knut Ahlers <knut@ahlers.me>

action_delete.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/go-irc/irc"
+	"github.com/pkg/errors"
+)
+
+func init() {
+	registerAction(func(c *irc.Client, m *irc.Message, ruleDef *rule, r *ruleAction) error {
+		if r.DeleteMessage == nil || !*r.DeleteMessage {
+			return nil
+		}
+
+		msgID, ok := m.Tags.GetTag("id")
+		if !ok || msgID == "" {
+			return nil
+		}
+
+		return errors.Wrap(
+			c.WriteMessage(&irc.Message{
+				Command: "PRIVMSG",
+				Params: []string{
+					m.Params[0],
+					fmt.Sprintf("/delete %s", msgID),
+				},
+			}),
+			"sending delete",
+		)
+	})
+}

config.go

@@ -169,11 +169,12 @@ func (r *rule) Matches(m *irc.Message, event *string) bool {
 }
 
 type ruleAction struct {
-	Ban         *string        `yaml:"ban"`
-	CounterStep *int64         `yaml:"counter_step"`
-	Counter     *string        `yaml:"counter"`
-	Respond     *string        `yaml:"respond"`
-	Timeout     *time.Duration `yaml:"timeout"`
+	Ban           *string        `yaml:"ban"`
+	CounterStep   *int64         `yaml:"counter_step"`
+	Counter       *string        `yaml:"counter"`
+	DeleteMessage *bool          `yaml:"delete_message"`
+	Respond       *string        `yaml:"respond"`
+	Timeout       *time.Duration `yaml:"timeout"`
 }
 
 func loadConfig(filename string) error {

wiki/Home.md

@@ -23,6 +23,9 @@ rules: # See below for examples
     - counter: "counterid" # String to identify the counter, applies templating
       counter_step: 1      # Integer, can be negative or positive, default: +1
 
+    # Issue a delete on the message caught
+    - delete_message: true # Bool, set to true to delete
+
     # Send responding message to the channel the original message was received in
     - respond: 'Hello chatter' # String, applies templating