Add quota and limit for events

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

data/attendance.go

@@ -141,6 +141,21 @@ func (self *Attendance) GetAttendanceListByEventId(ctx context.Context, eventId
 	return &result, err
 }
 
+func (self *Attendance) CountUsersByEventID(ctx context.Context, eventID uuid.UUID) (int64, error) {
+	var count int64
+
+	err := Database.WithContext(ctx).
+		Model(&Attendance{}).
+		Where("event_id = ?", eventID).
+		Count(&count).Error
+
+	if err != nil {
+		return 0, err
+	}
+
+	return count, nil
+}
+
 func (self *Attendance) Update(ctx context.Context, attendanceId uuid.UUID) (*Attendance, error) {
 	var attendance Attendance
 

data/event.go

@@ -20,6 +20,8 @@ type Event struct {
 	Thumbnail   string    `json:"thumbnail" gorm:"type:varchar(255)"`
 	Owner       uuid.UUID `json:"owner" gorm:"type:uuid;index;not null"`
 	EnableKYC   bool      `json:"enable_kyc" gorm:"not null"`
+	Quota       int64     `json:"quota" gorm:"not null"`
+	Limit       int64     `json:"limit" gorm:"not null"`
 }
 
 type EventIndexDoc struct {