From fcefe8c2b3502d2da6b89efbc23ac8f5d239cb3e Mon Sep 17 00:00:00 2001
From: David Florness <david@florness.com>
Date: Sat, 22 May 2021 20:13:31 -0400
Subject: [PATCH] Implement echo

This just prints event metadata.
---
 echo/cmd.go | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.go     |  3 ++-
 2 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 echo/cmd.go

diff --git a/echo/cmd.go b/echo/cmd.go
new file mode 100644
index 0000000..ba90c7c
--- /dev/null
+++ b/echo/cmd.go
@@ -0,0 +1,59 @@
+package print
+
+import (
+	"fmt"
+
+	"git.hnitbjorg.xyz/~edwargix/axon/shared"
+	"github.com/rwxrob/cmdtab"
+	"maunium.net/go/mautrix"
+	"maunium.net/go/mautrix/event"
+	"maunium.net/go/mautrix/id"
+)
+
+func init() {
+	x := cmdtab.New("echo")
+	x.Summary = "print all events, optionally filtering for a specific room"
+	x.Usage = "[roomID]"
+
+	x.Method = func(args []string) error {
+		if len(args) > 1 || (len(args) > 0 && args[0] == "-h") {
+			return x.UsageError()
+		}
+		var roomID *id.RoomID
+		if len(args) == 1 {
+			r := id.RoomID(args[0])
+			roomID = &r
+		}
+		return echo(roomID)
+	}
+}
+
+func echo(roomID *id.RoomID) error {
+	authInfo, err := shared.GetAuthInfo()
+	if err != nil {
+		return err
+	}
+
+	client, err := mautrix.NewClient(authInfo.Homeserver, authInfo.UserID, authInfo.AccessToken)
+	if err != nil {
+		return err
+	}
+
+	syncer := client.Syncer.(*mautrix.DefaultSyncer)
+	// stop mautrix from ignoring unparsable events
+	syncer.ParseEventContent = false
+	syncer.OnEvent(func (source mautrix.EventSource, evt *event.Event) {
+		// filter by room if needed
+		if roomID != nil && evt.RoomID != *roomID {
+			return
+		}
+		fmt.Printf("%[5]d: <%[1]s> %[4]s (%[2]s/%[3]s)\n",
+			evt.Sender,
+			evt.Type.String(),
+			evt.ID,
+			evt.Content.AsMessage().Body,
+			source)
+	})
+
+	return client.Sync()
+}
diff --git a/main.go b/main.go
index 41c47af..ffde0a2 100644
--- a/main.go
+++ b/main.go
@@ -3,11 +3,12 @@ package main
 import (
 	_ "git.hnitbjorg.xyz/~edwargix/axon/autojoin"
 	_ "git.hnitbjorg.xyz/~edwargix/axon/deletemymsgs"
+	_ "git.hnitbjorg.xyz/~edwargix/axon/echo"
 	"github.com/rwxrob/cmdtab"
 )
 
 func main() {
-	x := cmdtab.New("axon", "autojoin", "deletemymsgs")
+	x := cmdtab.New("axon", "autojoin", "deletemymsgs", "echo")
 	x.Summary = "a set of simple Matrix utility programs for the Client-Server API"
 	x.Usage = "<cmd>"
 	x.Version = "v0.0.0"
-- 
2.38.4