Add tt{l,d,s} notice to web UI

web/html/html.go

@@ -3,6 +3,7 @@ package html
 import (
 	"embed"
 	"encoding/json"
+	"fmt"
 	"html/template"
 	"io"
 	"log"
@@ -15,11 +16,35 @@ func rawHtml(str string) template.HTML {
 	return template.HTML(str)
 }
 
-func tsToDate(t int) string {
+func dateFormat(tm time.Time) string {
-	tm := time.Unix(int64(t), 0).UTC()
 	return tm.Format(time.DateTime)
 }
 
+func tsToDate(t int) time.Time {
+	return time.Unix(int64(t), 0).UTC()
+}
+
+func until(tm time.Time) string {
+	dur := time.Until(tm).Round(time.Second)
+
+	var format string
+	if dur < 0 {
+		format = "%s ago"
+		dur = dur.Abs()
+	} else {
+		format = "in %s"
+	}
+
+	var length string
+	if dur.Hours() > 24 {
+		length = fmt.Sprintf("%dd", int(dur.Hours()/24))
+	} else {
+		length = dur.String()
+	}
+
+	return fmt.Sprintf(format, length)
+}
+
 func massDeactivateVals(items []core.Item) string {
 	var shorts []string
 	for _, item := range items {
@@ -37,7 +62,9 @@ func massDeactivateVals(items []core.Item) string {
 
 var funcs = template.FuncMap{
 	"raw":          rawHtml,
+	"dateFormat":   dateFormat,
 	"tsToDate":     tsToDate,
+	"until":        until,
 	"massDeacVars": massDeactivateVals,
 }
 

web/html/item.html

@@ -56,14 +56,17 @@
 {{ if or .Author .Time }}
 <span class="item-info">
 {{ .Author }}
-{{ .Time | tsToDate }}
+<span title="{{ .Time | tsToDate | until }}">{{ .Time | tsToDate | dateFormat }}</span>
 </span><br>
 {{ end -}}
 
 {{- /* source/id/created footer line */ -}}
 <span class="item-info">
 <a href="/item/{{ .Source }}/{{ .Id }}">{{ .Source }}/{{ .Id }}</a>
-{{ .Created | tsToDate }}
+<span title="{{ .Created | tsToDate | until }}">{{ .Created | tsToDate | dateFormat }}</span>
+{{ if .Ttl }}<span title="TTL {{ .TtlTime | dateFormat }}, {{ .TtlTime | until }}">[L]</span>{{ end }}
+{{ if .Ttd }}<span title="TTD {{ .TtdTime | dateFormat }}, {{ .TtdTime | until }}">[D]</span>{{ end }}
+{{ if .Tts }}<span title="TTS {{ .TtsTime | dateFormat }}, {{ .TtsTime | until }}">[S]</span>{{ end }}
 </span>
 </article>
 {{ end -}}