Shorten nip-119 entities in profiles/relays' last notes

main.go

@@ -76,10 +76,11 @@ func main() {
 	}
 
 	funcMap := template.FuncMap{
-		"basicFormatting": basicFormatting,
-		"escapeString":    html.EscapeString,
-		"sanitizeXSS":     sanitizeXSS,
-		"trimProtocol":    trimProtocol,
+		"basicFormatting":      basicFormatting,
+		"basicNostrFormatting": basicNostrFormatting,
+		"escapeString":         html.EscapeString,
+		"sanitizeXSS":          sanitizeXSS,
+		"trimProtocol":         trimProtocol,
 	}
 
 	tmpl = template.Must(

templates/profile.html

@@ -124,7 +124,7 @@
               {{if not (eq .ParentNevent "")}}
               <div class="is_reply">- reply</div>
               {{end}}
-              <div class="content">{{.Content | escapeString}}</div>
+              <div class="content">{{.Content | escapeString | basicNostrFormatting}}</div>
             </a>
             {{end}}
           </nav>

templates/relay.html

@@ -77,7 +77,7 @@
               {{if not (eq .ParentNevent "")}}
               <div class="is_reply">- reply</div>
               {{end}}
-              <div class="content">{{.Content | escapeString}}</div>
+              <div class="content">{{.Content | escapeString | basicNostrFormatting}}</div>
             </a>
             {{end}}
           </div>

utils.go

@@ -245,7 +245,7 @@ func replaceVideoURLsWithTags(input string, replacement string) string {
 	return input
 }
 
-func replaceNostrURLsWithTags(input string) string {
+func replaceNostrURLs(input string, style string) string {
 	// Match and replace npup1, nprofile1, note1, nevent1, etc
 	input = nostrEveryMatcher.ReplaceAllStringFunc(input, func(match string) string {
 		submatch := nostrEveryMatcher.FindStringSubmatch(match)
@@ -255,14 +255,27 @@ func replaceNostrURLsWithTags(input string) string {
 		nip19 := submatch[2]
 		first_chars := nip19[:8]
 		last_chars := nip19[len(nip19)-4:]
+		replacement := ""
 		if strings.HasPrefix(nip19, "npub1") || strings.HasPrefix(nip19, "nprofile1") {
-			ctx, cancel := context.WithTimeout(context.Background(), time.Second*4)
-			defer cancel()
-			name := getNameFromNip19(ctx, nip19)
-			replacement := fmt.Sprintf(`<a href="/%s" class="nostr" ><strong>%s</strong> (<i>%s</i>)</a>`, nip19, name, first_chars+"…"+last_chars)
+			if style == "tags" {
+				ctx, cancel := context.WithTimeout(context.Background(), time.Second*4)
+				defer cancel()
+				name := getNameFromNip19(ctx, nip19)
+				replacement = fmt.Sprintf(`<a href="/%s" class="nostr" ><strong>%s</strong> (<i>%s</i>)</a>`, nip19, name, first_chars+"…"+last_chars)
+			} else if style == "short" {
+				replacement = "@" + first_chars + "…" + last_chars
+			} else {
+				replacement = nip19
+			}
 			return replacement
 		} else {
-			replacement := fmt.Sprintf(`<a href="/%s" class="nostr">%s</a>`, nip19, first_chars+"…"+last_chars)
+			if style == "tags" {
+				replacement = fmt.Sprintf(`<a href="/%s" class="nostr">%s</a>`, nip19, first_chars+"…"+last_chars)
+			} else if style == "short" {
+				replacement = "#" + first_chars + "…" + last_chars
+			} else {
+				replacement = nip19
+			}
 			return replacement
 		}
 
@@ -270,6 +283,14 @@ func replaceNostrURLsWithTags(input string) string {
 	return input
 }
 
+func replaceNostrURLsWithTags(input string) string {
+	return replaceNostrURLs(input, "tags")
+}
+
+func shortenNostrURLs(input string) string {
+	return replaceNostrURLs(input, "short")
+}
+
 func getNameFromNip19(ctx context.Context, nip19 string) string {
 	author, err := getEvent(ctx, nip19)
 	if err != nil {
@@ -422,6 +443,18 @@ func basicFormatting(input string) string {
 	return strings.Join(processedLines, "<br/>")
 }
 
+func basicNostrFormatting(input string) string {
+
+	lines := strings.Split(input, "\n")
+	var processedLines []string
+	for _, line := range lines {
+		processedLine := shortenNostrURLs(line)
+		processedLines = append(processedLines, processedLine)
+	}
+
+	return strings.Join(processedLines, "<br/>")
+}
+
 func mdToHTML(md string, usingTelegramInstantView bool) string {
 	md = strings.ReplaceAll(md, "\u00A0", " ")
 	md = replaceImageURLsWithTags(md, `![](%s)`)