/
main.go
69 lines (56 loc) · 1.36 KB
/
main.go
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package main
import (
"fmt"
"time"
"github.com/jackc/pgtype"
)
type Learner struct {
lessonID string
userID string
}
type LessonLearners []*Learner
func main() {
// lessonLearnerMap := make(map[string]int)
// lessonLearnerMap["s"] = 1
// for k, v := range lessonLearnerMap {
// fmt.Println(k, v)
// }
// // member, ok := lessonLearnerMap["not-exits"]
// // fmt.Printf("type %T\n", member)
// // fmt.Println(member, ok)
// var myMap map[string]int
// fmt.Println(myMap)
// for s := range myMap {
// fmt.Println("start")
// fmt.Println(s)
// }
// now := time.Now()
// var delete *time.Time
// delete = &now
// var t pgtype.Timestamptz
// t.Set(delete)
// fmt.Println(t)
// fmt.Println(timestamppb.New(*delete))
fmt.Println(validateAndParseDate("2022-02-22", "1998-02-23"))
var spotlightedUser pgtype.Text
fmt.Println(spotlightedUser.Status, spotlightedUser.String)
fmt.Println(pgtype.Null)
}
const layout string = "2006-01-02"
func validateAndParseDate(fromDate, toDate string) (err error) {
if fromDate == "" || toDate == "" {
return fmt.Errorf("from_date and to_date is required")
}
start, err := time.Parse(layout, fromDate)
if err != nil {
return err
}
end, err := time.Parse(layout, toDate)
if err != nil {
return err
}
if end.Sub(start).Hours() < 0 {
return fmt.Errorf("Start date must come before End date")
}
return nil
}