Refactor checkin table to attendance table

Signed-off-by: Asai Neko <sugar@sne.moe>

service/user/checkin.go

@@ -8,7 +8,7 @@ import (
 )
 
 func Checkin(c *gin.Context) {
-	data := new(data.Checkin)
+	data := new(data.Attendance)
 	userId, ok := c.Get("user_id")
 	if !ok {
 		c.JSON(401, gin.H{
@@ -71,8 +71,8 @@ func CheckinSubmit(c *gin.Context) {
 	}
 	c.ShouldBindJSON(&req)
 
-	checkinData := new(data.Checkin)
-	userId, err := checkinData.VerifyCheckinCode(req.ChekinCode)
+	attendanceData := new(data.Attendance)
+	err := attendanceData.VerifyCheckinCode(req.ChekinCode)
 	if err != nil {
 		c.JSON(400, gin.H{
 			"status": "error verify checkin code",