simple time util for cyclops framework

cyclops_utils/cyclops_utils.go

@@ -0,0 +1,36 @@
+package cyclops_utils
+
+import (
+	"time"
+)
+
+func GetReportingPeriod(inputdate string) (err error, from, to string) {
+	err = nil
+	layout := "2006-01-02"
+	t, err := time.Parse(layout, inputdate)
+	if err != nil {
+		return
+	}
+	y, m, d := t.Date()
+
+	valTo := t.AddDate(0, 0, -1)
+	to = valTo.Format("2006-01-02")
+	valFrom := time.Now()
+	if d == 1 && (m == 1 || m == 4 || m == 7 || m == 10) {
+		//subtracting 1 day
+		valFrom = t.AddDate(0,-3,0)
+
+	} else {
+		if m >= 1 && m <= 3 {
+			valFrom = time.Date(y, time.January, 1,0,0,0,0, time.UTC)
+		} else if m >= 4 && m <= 6 {
+			valFrom = time.Date(y, time.April, 1,0,0,0,0, time.UTC)
+		} else if m >= 7 && m <= 9 {
+			valFrom = time.Date(y, time.July, 1,0,0,0,0, time.UTC)
+		} else if m >= 10 && m <= 12 {
+			valFrom = time.Date(y, time.October, 1,0,0,0,0, time.UTC)
+		}
+	}
+	from = valFrom.Format("2006-01-02")
+	return
+}

main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+	"gitlab.com/cyclops-utilities/date-utils/cyclops_utils"
+
+)
+
+func main() {
+	err, from, to := cyclops_utils.GetReportingPeriod("2019-10-01")
+	if err != nil {
+		fmt.Errorf("Error in processing input: %s", err.Error())
+	} else {
+		fmt.Printf("From: %s, To: %s\n", from, to);
+	}
+}