Provide Sunday and Monday functions with time (#44)

* add time  for Monday and Sunday

* fix Readme

Co-authored-by: Jinzhu <[email protected]>

Author: versus

README.md

@@ -72,13 +72,17 @@ Don't be bothered with the `WeekStartDay` setting, you can use `Monday`, `Sunday
 
 ```go
 now.Monday()              // 2013-11-18 00:00:00 Mon
+now.Monday("17:44")       // 2013-11-18 17:44:00 Mon
 now.Sunday()              // 2013-11-24 00:00:00 Sun (Next Sunday)
+now.Sunday("18:19:24")    // 2013-11-24 18:19:24 Sun (Next Sunday)
 now.EndOfSunday()         // 2013-11-24 23:59:59.999999999 Sun (End of next Sunday)
 
 t := time.Date(2013, 11, 24, 17, 51, 49, 123456789, time.Now().Location()) // 2013-11-24 17:51:49.123456789 Sun
-now.With(t).Monday()       // 2013-11-18 00:00:00 Sun (Last Monday if today is Sunday)
-now.With(t).Sunday()       // 2013-11-24 00:00:00 Sun (Beginning Of Today if today is Sunday)
-now.With(t).EndOfSunday()  // 2013-11-24 23:59:59.999999999 Sun (End of Today if today is Sunday)
+now.With(t).Monday()              // 2013-11-18 00:00:00 Mon (Last Monday if today is Sunday)
+now.With(t).Monday("17:44")       // 2013-11-18 17:44:00 Mon (Last Monday if today is Sunday)
+now.With(t).Sunday()              // 2013-11-24 00:00:00 Sun (Beginning Of Today if today is Sunday)
+now.With(t).Sunday("18:19:24")    // 2013-11-24 18:19:24 Sun (Beginning Of Today if today is Sunday)
+now.With(t).EndOfSunday()         // 2013-11-24 23:59:59.999999999 Sun (End of Today if today is Sunday)
 ```
 
 ### Parse String to Time

main.go

@@ -154,13 +154,14 @@ func EndOfYear() time.Time {
 }
 
 // Monday monday
-func Monday() time.Time {
-	return With(time.Now()).Monday()
+
+func Monday(strs ...string) time.Time {
+	return With(time.Now()).Monday(strs...)
 }
 
 // Sunday sunday
-func Sunday() time.Time {
-	return With(time.Now()).Sunday()
+func Sunday(strs ...string) time.Time {
+	return With(time.Now()).Sunday(strs...)
 }
 
 // EndOfSunday end of sunday

now.go

@@ -108,6 +108,7 @@ func (now *Now) EndOfYear() time.Time {
 }
 
 // Monday monday
+/*
 func (now *Now) Monday() time.Time {
 	t := now.BeginningOfDay()
 	weekday := int(t.Weekday())
@@ -116,15 +117,42 @@ func (now *Now) Monday() time.Time {
 	}
 	return t.AddDate(0, 0, -weekday+1)
 }
+*/
 
-// Sunday sunday
-func (now *Now) Sunday() time.Time {
-	t := now.BeginningOfDay()
-	weekday := int(t.Weekday())
+func (now *Now) Monday(strs ...string) time.Time {
+	var parseTime time.Time
+	var err error
+	if len(strs) > 0 {
+		parseTime, err = now.Parse(strs...)
+		if err != nil {
+			panic(err)
+		}
+	} else {
+		parseTime = now.BeginningOfDay()
+	}
+	weekday := int(parseTime.Weekday())
+	if weekday == 0 {
+		weekday = 7
+	}
+	return parseTime.AddDate(0, 0, -weekday+1)
+}
+
+func (now *Now) Sunday(strs ...string) time.Time {
+	var parseTime time.Time
+	var err error
+	if len(strs) > 0 {
+		parseTime, err = now.Parse(strs...)
+		if err != nil {
+			panic(err)
+		}
+	} else {
+		parseTime = now.BeginningOfDay()
+	}
+	weekday := int(parseTime.Weekday())
 	if weekday == 0 {
-		return t
+		weekday = 7
 	}
-	return t.AddDate(0, 0, (7 - weekday))
+	return parseTime.AddDate(0, 0, (7 - weekday))
 }
 
 // EndOfSunday end of sunday

now_test.go

@@ -213,8 +213,16 @@ func TestMondayAndSunday(t *testing.T) {
 
 	assert(With(nDst).Monday(), "2017-10-23 00:00:00", "Monday DST")
 
+	assert(With(n).Monday("17:51:49"), "2013-11-18 17:51:49", "Monday")
+
+	assert(With(n).Monday("17:51"), "2013-11-18 17:51:00", "Monday")
+
 	assert(With(n).Sunday(), "2013-11-24 00:00:00", "Sunday")
 
+	assert(With(n).Sunday("18:19:20"), "2013-11-24 18:19:20", "Sunday")
+
+	assert(With(n).Sunday("18:19"), "2013-11-24 18:19:00", "Sunday")
+
 	assert(With(n2).Sunday(), "2013-11-24 00:00:00", "Sunday")
 
 	assert(With(timeCaracas).Sunday(), "2016-01-03 00:00:00", "Sunday Caracas")
@@ -433,7 +441,9 @@ func Example() {
 	t := time.Date(2013, 02, 18, 17, 51, 49, 123456789, time.UTC)
 	With(t).EndOfMonth() // 2013-02-28 23:59:59.999999999 Thu
 
-	Monday()      // 2013-11-18 00:00:00 Mon
-	Sunday()      // 2013-11-24 00:00:00 Sun
-	EndOfSunday() // 2013-11-24 23:59:59.999999999 Sun
+	Monday()        // 2013-11-18 00:00:00 Mon
+	Monday("17:44") // 2013-11-18 17:44:00 Mon
+	Sunday()        // 2013-11-24 00:00:00 Sun
+	Sunday("17:44") // 2013-11-24 17:44:00 Sun
+	EndOfSunday()   // 2013-11-24 23:59:59.999999999 Sun
 }