Added function now and format_timestamp

pkg/functions/functions.go

@@ -165,17 +165,19 @@ var fmap = map[string]interface{}{
 	"wkn":          Wkn,
 
 	// time and dates
-	"birthdate":       BirthDate,
-	"date_between":    DateBetween,
-	"dates_between":   DatesBetween,
-	"future":          Future,
-	"past":            Past,
-	"recent":          Recent,
-	"just_passed":     Justpassed,
-	"now_sub":         Nowsub,
-	"now_add":         Nowadd,
-	"soon":            Soon,
-	"unix_time_stamp": UnixTimeStamp,
+	"birthdate":        BirthDate,
+	"date_between":     DateBetween,
+	"dates_between":    DatesBetween,
+	"future":           Future,
+	"past":             Past,
+	"recent":           Recent,
+	"just_passed":      Justpassed,
+	"format_timestamp": FormatTimestamp,
+	"now":              Now,
+	"now_sub":          Nowsub,
+	"now_add":          Nowadd,
+	"soon":             Soon,
+	"unix_time_stamp":  UnixTimeStamp,
 
 	// phone
 	"country_code":    CountryCode,

pkg/functions/functionsDescription.go

@@ -664,6 +664,26 @@ var funcDesc = map[string]FunctionDescription{
 		Example:     "jr template run --embedded '{{just_passed 60000}}'",
 		Output:      "2024-11-10 22:59:5",
 	},
+	"now": {
+		Name:        "now",
+		Category:    "time",
+		Description: "returns the current time as a Unix timestamp",
+		Parameters:  "",
+		Localizable: false,
+		Return:      "int",
+		Example:     "jr template run --embedded '{{now}}'",
+		Output:      "2024-11-10 22:59:5",
+	},
+	"format_timestamp": {
+		Name:        "format_timestamp",
+		Category:    "time",
+		Description: "formats the given timestamp with given pattern according to https://go.dev/src/time/format.go",
+		Parameters:  "timestamp int64, format string",
+		Localizable: false,
+		Return:      "string",
+		Example:     "jr template run --embedded '{{format_timestamp 1729857168 \"2006-01-02 15:04:05.000000000\" }}'",
+		Output:      "2024-11-10 22:59:5",
+	},
 	"key": {
 		Name:        "key",
 		Category:    "utilities",

pkg/functions/timeAndDates.go

@@ -74,6 +74,18 @@ func Justpassed(milliseconds int64) string {
 	return pastTime.Format(time.DateTime)
 }
 
+// Now returns the current time as a Unix millisecond timestamp
+func Now() int64 {
+	return time.Now().UnixMilli()
+}
+
+// FormatTimestamp formats a unix millisecond timestamp with the given pattern
+func FormatTimestamp(timestamp int64, format string) string {
+	t := time.Unix(0, timestamp*int64(time.Millisecond))
+	formattedDate := t.Format(format)
+	return formattedDate
+}
+
 // Nowsub returns a date in the past of given milliseconds
 func Nowsub(milliseconds int64) string {
 	now := time.Now()