From 2610003cdb16e7d6f43721fa2bcc580c4bc728b3 Mon Sep 17 00:00:00 2001
From: mappu <mappu04@gmail.com>
Date: Sun, 26 Nov 2017 18:11:25 +1300
Subject: [PATCH] adc: working public and private messages

--HG--
branch : adc
---
 AdcProtocol.go | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 TODO.txt       |  4 +---
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/AdcProtocol.go b/AdcProtocol.go
index 1dbe48e..7671c6c 100644
--- a/AdcProtocol.go
+++ b/AdcProtocol.go
@@ -71,6 +71,27 @@ func (this *AdcProtocol) pid2cid(pid_base32 string) (string, error) {
 	return cid_base32, nil
 }
 
+func (this *AdcProtocol) SID2Nick(sid string) (string, bool) {
+	this.hc.usersMut.Lock()
+	defer this.hc.usersMut.Unlock()
+
+	nick, ok := this.hc.userSIDs[sid]
+	return nick, ok
+}
+
+func (this *AdcProtocol) Nick2SID(targetNick string) (string, bool) {
+	this.hc.usersMut.Lock()
+	defer this.hc.usersMut.Unlock()
+
+	for sid, nick := range this.hc.userSIDs {
+		if nick == targetNick {
+			return sid, true
+		}
+	}
+
+	return "", false
+}
+
 func (this *AdcProtocol) ProcessCommand(msg string) {
 
 	if len(msg) == 0 {
@@ -264,6 +285,7 @@ func (this *AdcProtocol) ProcessCommand(msg string) {
 
 	case "BMSG":
 		// Message from a user
+		// BMSG ZVF4 hi
 		if len(parts) < 3 {
 			this.malformed(parts)
 			return
@@ -315,6 +337,26 @@ func (this *AdcProtocol) ProcessCommand(msg string) {
 	case "EMSG":
 		// Private message from other user
 		// EMSG I5RO FMWH test\spm PMI5RO
+		// EMSG sender recip==us message [flags...]
+		if len(parts) < 4 {
+			this.malformed(parts)
+			return
+		}
+
+		if parts[2] != this.sid {
+			this.logError(fmt.Errorf("Recieved a PM intended for someone else (got SID=%s expected SID=%s)", parts[2], this.sid))
+			return
+		}
+
+		senderSid := parts[1]
+		senderNick, ok := this.SID2Nick(parts[1])
+		if !ok {
+			this.logError(fmt.Errorf("Recieved a PM from an unknown user (SID=%s)", senderSid))
+			return
+		}
+
+		msg := this.unescape(parts[3])
+		this.hc.processEvent(HubEvent{EventType: EVENT_PRIVATE, Nick: senderNick, Message: msg})
 
 	// Ignored messages
 	// ````````````````
@@ -514,9 +556,15 @@ func (this *AdcProtocol) unescape(encoded string) string {
 }
 
 func (this *AdcProtocol) SayPublic(msg string) {
+	this.hc.SayRaw("BMSG " + this.sid + " " + this.escape(msg) + "\n")
 }
 
 func (this *AdcProtocol) SayPrivate(user, message string) {
+	if sid, ok := this.Nick2SID(user); ok {
+		this.hc.SayRaw("DMSG " + this.sid + " " + sid + " " + this.escape(message) + "\n")
+	} else {
+		this.logError(fmt.Errorf("Unknown user '%s'", user))
+	}
 }
 
 func (this *AdcProtocol) ProtoMessageSeparator() string {
diff --git a/TODO.txt b/TODO.txt
index 0dbe648..e0c97bd 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -2,9 +2,7 @@ NMDC:
 - Implement ZPipe ($ZOn)
 
 ADC:
-- SayPublic, SayPrivate
-- Recieve PMs
 - Test that user info updates work
+     - they're incremental: BINF Z3BA HO1
 - Usercommands
 - ???
-