Add support for cron-tz

pkg/gofr/cron.go

@@ -34,19 +34,15 @@ type CronFunc func(ctx *Context)
 type Crontab struct {
 	// contains unexported fields
 	ticker    *time.Ticker
+	location  *time.Location
 	jobs      []*job
 	container *container.Container
 
 	mu sync.RWMutex
 }
 
 type job struct {
-	sec       map[int]struct{}
-	min       map[int]struct{}
-	hour      map[int]struct{}
-	day       map[int]struct{}
-	month     map[int]struct{}
-	dayOfWeek map[int]struct{}
+	sec, min, hour, day, month, dayOfWeek map[int]struct{}
 
 	name string
 	fn   CronFunc
@@ -62,22 +58,32 @@ type tick struct {
 }
 
 // NewCron initializes and returns new cron tab.
-func NewCron(cntnr *container.Container) *Crontab {
+func NewCron(cntnr *container.Container, options ...func(*Crontab)) *Crontab {
 	c := &Crontab{
 		ticker:    time.NewTicker(time.Second),
+		location:  time.Local,
 		container: cntnr,
 		jobs:      make([]*job, 0),
 	}
 
+	for _, option := range options {
+		option(c)
+	}
+
 	go func() {
 		for t := range c.ticker.C {
+			t = t.In(c.location)
 			c.runScheduled(t)
 		}
 	}()
 
 	return c
 }
 
+func WithTimezone(location *time.Location) func(*Crontab) {
+	return func(c *Crontab) { c.location = location }
+}
+
 // this will compile the regex once instead of compiling it each time when it is being called.
 var (
 	matchSpaces = regexp.MustCompile(`\s+`)

pkg/gofr/cron_test.go

@@ -606,3 +606,25 @@ func TestCron_parsePart(t *testing.T) {
 		})
 	}
 }
+
+func TestCron_WithTimezone(t *testing.T) {
+	tests := []struct {
+		name     string
+		option   func(*Crontab)
+		expected *time.Location
+	}{
+		{
+			name:     "Factory with timezone option",
+			option:   WithTimezone(time.UTC),
+			expected: time.UTC,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got := NewCron(nil, test.option)
+			got.ticker.Stop()
+			assert.Equal(t, test.expected, got.location)
+		})
+	}
+}