support 1w, 1d for loop

server/ajax/form/form_test.go

@@ -5,6 +5,7 @@ import (
 	"net/http/httptest"
 	"strings"
 	"testing"
+	"time"
 )
 
 func TestGet(t *testing.T) {
@@ -142,3 +143,28 @@ func testReq() *http.Request {
       "d": "e, f,g"
    }`))
 }
+
+func TestToDuration(t *testing.T) {
+	cases := map[string]struct {
+		input string
+		want  time.Duration
+	}{
+		"invalid":            {},
+		"simple":             {input: "1s", want: time.Second},
+		"compound":           {input: "1m1s", want: time.Minute + time.Second},
+		"compound:unsorted":  {input: "1s1m", want: time.Minute + time.Second},
+		"extension:day":      {input: "1d", want: 24 * time.Hour},
+		"extension:week":     {input: "1w", want: 24 * 7 * time.Hour},
+		"extension:week,day": {input: "1w1d", want: 24 * 8 * time.Hour},
+	}
+
+	for name, d := range cases {
+		c := d
+		t.Run(name, func(t *testing.T) {
+			got := ToDuration(c.input)
+			if got != c.want {
+				t.Fatal(c.input, c.want, got)
+			}
+		})
+	}
+}