Workaround template functions not loaded

This is a hacky workaround to make things work until we find a better
solution.

Closes: https://todo.sr.ht/~emersion/alps/96

1 files changed, 21 insertions, 0 deletions

diff --git a/plugins/base/template.go b/plugins/base/template.go
index 482674a..7d85db6 100644
--- a/plugins/base/template.go
+++ b/plugins/base/template.go
@@ -3,11 +3,17 @@ package alpsbase
 import (
 	"html/template"
 	"net/url"
+	"strings"
 	"time"
 
 	"github.com/emersion/go-imap"
 )
 
+const (
+	inputDateLayout = "2006-01-02"
+	inputTimeLayout = "15:04"
+)
+
 var templateFuncs = template.FuncMap{
 	"tuple": func(values ...interface{}) []interface{} {
 		return values
@@ -40,4 +46,19 @@ var templateFuncs = template.FuncMap{
 			return true
 		}
 	},
+	"join": func(l []string, sep string) string {
+		return strings.Join(l, sep)
+	},
+	"formatinputdate": func(t time.Time) string {
+		if t.IsZero() {
+			return ""
+		}
+		return t.Format(inputDateLayout)
+	},
+	"formatinputtime": func(t time.Time) string {
+		if t.IsZero() {
+			return ""
+		}
+		return t.Format(inputTimeLayout)
+	},
 }