From e6043462118b77b41a89c90e26b9ae5a938ffcbd Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Sun, 27 May 2018 15:30:52 +0300
Subject: Add very basic arbitrary message/state event sending commands

---
 ui/command-processor.go | 28 +++++++++++++----------
 ui/commands.go          | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 12 deletions(-)

diff --git a/ui/command-processor.go b/ui/command-processor.go
index 9d646ff..04ade4d 100644
--- a/ui/command-processor.go
+++ b/ui/command-processor.go
@@ -36,10 +36,11 @@ type Command struct {
 	gomuksPointerContainer
 	Handler *CommandProcessor
 
-	Room     *RoomView
-	Command  string
-	Args     []string
-	OrigText string
+	Room        *RoomView
+	Command     string
+	OrigCommand string
+	Args        []string
+	OrigText    string
 }
 
 func (cmd *Command) Reply(message string, args ...interface{}) {
@@ -74,7 +75,9 @@ func NewCommandProcessor(parent *MainView) *CommandProcessor {
 			Gomuks:   parent.gmx,
 		},
 		aliases: map[string]*Alias{
-			"part": {"leave"},
+			"part":  {"leave"},
+			"send":  {"sendevent"},
+			"state": {"setstate"},
 		},
 		commands: map[string]CommandHandler{
 			"unknown-command": cmdUnknownCommand,
@@ -86,6 +89,8 @@ func NewCommandProcessor(parent *MainView) *CommandProcessor {
 			"join":            cmdJoin,
 			"uitoggle":        cmdUIToggle,
 			"logout":          cmdLogout,
+			"sendevent":       cmdSendEvent,
+			"setstate":        cmdSetState,
 		},
 	}
 }
@@ -95,17 +100,16 @@ func (ch *CommandProcessor) ParseCommand(roomView *RoomView, text string) *Comma
 		return nil
 	}
 	text = text[1:]
-	args := strings.SplitN(text, " ", 2)
-	command := strings.ToLower(args[0])
-	args = args[1:]
+	split := strings.SplitN(text, " ", -1)
 	return &Command{
 		gomuksPointerContainer: ch.gomuksPointerContainer,
 		Handler:                ch,
 
-		Room:     roomView,
-		Command:  command,
-		Args:     args,
-		OrigText: text,
+		Room:        roomView,
+		Command:     strings.ToLower(split[0]),
+		OrigCommand: split[0],
+		Args:        split[1:],
+		OrigText:    text,
 	}
 }
 
diff --git a/ui/commands.go b/ui/commands.go
index 38694a5..a72f3c7 100644
--- a/ui/commands.go
+++ b/ui/commands.go
@@ -19,6 +19,7 @@ package ui
 import (
 	"maunium.net/go/gomuks/debug"
 	"strings"
+	"encoding/json"
 )
 
 func cmdMe(cmd *Command) {
@@ -70,6 +71,64 @@ func cmdJoin(cmd *Command) {
 	}
 }
 
+func cmdSendEvent(cmd *Command) {
+	debug.Print(cmd.Command, cmd.Args, len(cmd.Args))
+	if len(cmd.Args) < 3 {
+		cmd.Reply("Usage: /send <room id> <event type> <content>")
+		return
+	}
+	roomID := cmd.Args[0]
+	eventType := cmd.Args[1]
+	rawContent := strings.Join(cmd.Args[2:], "")
+	debug.Print(roomID, eventType, rawContent)
+
+	var content interface{}
+	err := json.Unmarshal([]byte(rawContent), &content)
+	debug.Print(err)
+	if err != nil {
+		cmd.Reply("Failed to parse content: %v", err)
+		return
+	}
+	debug.Print("Sending event to", roomID, eventType, content)
+
+	resp, err := cmd.Matrix.Client().SendMessageEvent(roomID, eventType, content)
+	debug.Print(resp, err)
+	if err != nil {
+		cmd.Reply("Error from server: %v", err)
+	} else {
+		cmd.Reply("Event sent, ID: %s", resp.EventID)
+	}
+}
+
+func cmdSetState(cmd *Command) {
+	if len(cmd.Args) < 4 {
+		cmd.Reply("Usage: /setstate <room id> <event type> <state key/`-`> <content>")
+		return
+	}
+
+	roomID := cmd.Args[0]
+	eventType := cmd.Args[1]
+	stateKey := cmd.Args[2]
+	if stateKey == "-" {
+		stateKey = ""
+	}
+	rawContent := strings.Join(cmd.Args[3:], "")
+
+	var content interface{}
+	err := json.Unmarshal([]byte(rawContent), &content)
+	if err != nil {
+		cmd.Reply("Failed to parse content: %v", err)
+		return
+	}
+	debug.Print("Sending state event to", roomID, eventType, stateKey, content)
+	resp, err := cmd.Matrix.Client().SendStateEvent(roomID, eventType, stateKey, content)
+	if err != nil {
+		cmd.Reply("Error from server: %v", err)
+	} else {
+		cmd.Reply("State event sent, ID: %s", resp.EventID)
+	}
+}
+
 func cmdUIToggle(cmd *Command) {
 	if len(cmd.Args) == 0 {
 		cmd.Reply("Usage: /uitoggle <rooms/users/baremessages>")
-- 
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