From 1b078478caefaf111cd647efae395b2edbc5c4eb Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Sun, 12 Mar 2023 16:05:45 +0300
Subject: [PATCH] Show thread mention

---
 cmd/rd/colourized |  1 +
 cmd/rd/main.go    | 32 +++++++++++++++++++++++++++++++-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/cmd/rd/colourized b/cmd/rd/colourized
index 9ded197..6fb2945 100755
--- a/cmd/rd/colourized
+++ b/cmd/rd/colourized
@@ -4,4 +4,5 @@ dir="$(dirname "$(realpath -- "$0")")"
 "$dir"/rd $@ | spc \
     -e blu,"^.?[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}" \
     -e grn," <[^>]+> " \
+    -e red," \[RE\]: " \
     -e yel,"stargrave"
diff --git a/cmd/rd/main.go b/cmd/rd/main.go
index 0d7e70b..c7c6877 100644
--- a/cmd/rd/main.go
+++ b/cmd/rd/main.go
@@ -23,6 +23,8 @@ import (
 	"log"
 	"os"
 	"path"
+	"strings"
+	"unicode/utf8"
 
 	"github.com/fsnotify/fsnotify"
 	"github.com/mattermost/mattermost-server/v6/model"
@@ -30,6 +32,20 @@ import (
 	"go.stargrave.org/mmc"
 )
 
+var Threads = make(map[string]string)
+
+func rememberPost(post map[string][]string) {
+	text := strings.Split(post["Text"][0], "\n")[0]
+	i := 60
+	if len(text) > i {
+		for i > 0 && !utf8.Valid([]byte{text[i]}) {
+			i--
+		}
+		text = text[:i] + "..."
+	}
+	Threads[post["Id"][0]] = text
+}
+
 func printPost(m map[string][]string) {
 	var tag string
 	if len(m["Event"]) > 0 {
@@ -40,7 +56,19 @@ func printPost(m map[string][]string) {
 			tag += "[DEL] "
 		}
 	}
-	fmt.Printf("\a%s <%s> %s%s\n", m["Created"][0], m["Sender"][0], tag, m["Text"][0])
+	var re string
+	if len(m["RootId"]) > 0 {
+		thread := Threads[m["RootId"][0]]
+		if thread == "" {
+			thread = m["RootId"][0]
+		}
+		re = " [RE]: " + thread
+	}
+	fmt.Printf(
+		"\a%s <%s> %s%s%s\n",
+		m["Created"][0], m["Sender"][0],
+		tag, m["Text"][0], re,
+	)
 	tag += "[FILE] "
 	for i, fileId := range m["File"] {
 		fmt.Printf(
@@ -82,6 +110,7 @@ func main() {
 		ms = ms[len(ms)-*lastNum:]
 	}
 	for _, m := range ms {
+		rememberPost(m)
 		printPost(m)
 	}
 
@@ -114,6 +143,7 @@ func main() {
 				}
 				log.Fatalln(err)
 			}
+			rememberPost(m)
 			printPost(m)
 		}
 		unlock()
-- 
2.48.1