Merge branch '47-absolute-start-and-end-date-string' into 'main'

Resolve "Absolute start and end date string"

See merge request !64

db_utils/db_utils.go

@@ -134,6 +134,47 @@ func AbsoluteDateStringQuery(absolute string) (string, error) {
 	return "", errors.Error("invalid absolute date query")
 }
 
+func AbsoluteStartAndEndDateString(absolute string) (string, string, error) {
+	var value int64
+	timeNow := date_utils.CurrentDate()
+
+	if CheckAbsoluteRegex(LastXHours, absolute) {
+		value = PullAbsoluteValue(absolute)
+		since := timeNow.Add(time.Duration(-value) * time.Hour)
+
+		return date_utils.DateDBFormattedString(since), date_utils.DateDBFormattedString(timeNow), nil
+	}
+	if CheckAbsoluteRegex(LastDay, absolute) {
+		startDay := time.Date(timeNow.Year(), timeNow.Month(), timeNow.Day(), 0, 0, 0, 0, date_utils.CurrentLocation())
+		endDay := time.Date(timeNow.Year(), timeNow.Month(), timeNow.Day(), 23, 59, 59, 999999999, date_utils.CurrentLocation())
+
+		return date_utils.DateDBFormattedString(startDay), date_utils.DateDBFormattedString(endDay), nil
+	}
+	if CheckAbsoluteRegex(LastXDays, absolute) {
+		value = PullAbsoluteValue(absolute)
+		since := timeNow.AddDate(0, 0, -int(value))
+
+		return date_utils.DateDBFormattedString(since), date_utils.DateDBFormattedString(timeNow), nil
+	}
+	if CheckAbsoluteRegex(LastMonth, absolute) {
+		firstOfMonth := time.Date(timeNow.Year(), timeNow.Month(), 1, 0, 0, 0, 0, date_utils.CurrentLocation())
+		lastDay := firstOfMonth.AddDate(0, 1, -1)
+		lastOfMonth := time.Date(lastDay.Year(), lastDay.Month(), lastDay.Day(), 23, 59, 59, 999999999, date_utils.CurrentLocation())
+
+		return date_utils.DateDBFormattedString(firstOfMonth), date_utils.DateDBFormattedString(lastOfMonth), nil
+	}
+	if CheckAbsoluteRegex(Yesterday, absolute) {
+		yesterday := timeNow.AddDate(0, 0, -1)
+		startDay := time.Date(yesterday.Year(), yesterday.Month(), yesterday.Day(), 0, 0, 0, 0, date_utils.CurrentLocation())
+		endDay := time.Date(yesterday.Year(), yesterday.Month(), yesterday.Day(), 23, 59, 59, 999999999, date_utils.CurrentLocation())
+
+		return date_utils.DateDBFormattedString(startDay), date_utils.DateDBFormattedString(endDay), nil
+	}
+
+	// Not matched
+	return "", "", errors.Error("invalid absolute start and end date string")
+}
+
 func ParseAbsoluteQuery(absoluteQuery string, location *time.Location) (startDate, endDate time.Time, err error) {
 	nowValue := time.Now().UTC()
 	var value int64