reservation calendar 2

internal/render/render.go

@@ -16,7 +16,10 @@ import (
 )
 
 var functions = template.FuncMap{
-	"humanDate": HumanDate,
+	"humanDate":  HumanDate,
+	"formatDate": FormatDate,
+	"iterate":    Iterate,
+	"add":        Add,
 }
 
 var (
@@ -34,6 +37,24 @@ func HumanDate(t time.Time) string {
 	return t.Format("2006-01-02")
 }
 
+func FormatDate(t time.Time, f string) string {
+	return t.Format(f)
+}
+
+// Iterate returns a slice of ints, starting at 1, going to count
+func Iterate(count int) []int {
+	var i int
+	var items []int
+	for i = 0; i < count; i++ {
+		items = append(items, i)
+	}
+	return items
+}
+
+func Add(a, b int) int {
+	return a + b
+}
+
 // AddDefaultData adds default template data
 func AddDefaultData(td *models.TemplateData, r *http.Request) *models.TemplateData {
 	td.Flash = app.Session.PopString(r.Context(), "flash")