split checker from token-validator

libadlin/ping.go

@@ -0,0 +1,36 @@
+package adlin
+
+import (
+	"time"
+)
+
+type Pong struct {
+	Date  time.Time
+	State bool
+}
+
+func (s Student) LastPongs() (pongs []Pong, err error) {
+	if rows, errr := DBQuery("SELECT time, state FROM student_pong WHERE id_student = ? ORDER BY time DESC", s.Id); errr != nil {
+		return nil, errr
+	} else {
+		defer rows.Close()
+
+		for rows.Next() {
+			var p Pong
+			if err = rows.Scan(&p.Date, &p.State); err != nil {
+				return
+			}
+			pongs = append(pongs, p)
+		}
+		if err = rows.Err(); err != nil {
+			return
+		}
+
+		return
+	}
+}
+
+func (s *Student) OnPong(state bool) (err error) {
+	_, err = DBExec("INSERT INTO student_pong (id_student, time, state) VALUES (?, ?, ?)", s.Id, time.Now(), state)
+	return
+}