parsers/youtube: Add NSFW marker for age-restricted videos.

main.tpl

@@ -25,6 +25,13 @@
 
 	»
 	
+	{{- if index . "AgeRestriction" }}
+		{{ color 4 -}}
+		{{ bold -}}
+		[{{- index . "AgeRestriction" }}]
+		{{- reset }}
+	{{- end }}
+	
 	{{ if index . "IsProfile" }}
 		{{- if index . "Title" }}
 			{{ bold -}}

parsers/youtube/parser.go

@@ -168,6 +168,12 @@ func (p *Parser) Parse(u *url.URL, referer *url.URL) (result parsers.ParseResult
 				} else {
 					log.Print(err)
 				}
+
+				if item.ContentDetails.ContentRating != nil {
+					if item.ContentDetails.ContentRating.YtRating == "ytAgeRestricted" {
+						r["AgeRestriction"] = "NSFW"
+					}
+				}
 			}
 			if item.Statistics != nil {
 				r["Views"] = item.Statistics.ViewCount