Add isjoined to event info and event list

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

data/attendance.go

@@ -141,6 +141,31 @@ func (self *Attendance) GetAttendanceListByEventId(ctx context.Context, eventId
 	return &result, err
 }
 
+func (self *Attendance) GetJoinedEventIDs(ctx context.Context, userId uuid.UUID, eventIds []uuid.UUID) (map[uuid.UUID]bool, error) {
+	joinedMap := make(map[uuid.UUID]bool)
+
+	if len(eventIds) == 0 {
+		return joinedMap, nil
+	}
+
+	var foundEventIds []uuid.UUID
+
+	err := Database.WithContext(ctx).
+		Model(&Attendance{}).
+		Where("user_id = ? AND event_id IN ?", userId, eventIds).
+		Pluck("event_id", &foundEventIds).Error
+
+	if err != nil {
+		return nil, err
+	}
+
+	for _, id := range foundEventIds {
+		joinedMap[id] = true
+	}
+
+	return joinedMap, nil
+}
+
 func (self *Attendance) CountUsersByEventID(ctx context.Context, eventID uuid.UUID) (int64, error) {
 	var count int64
 

data/event.go

@@ -32,7 +32,8 @@ type EventIndexDoc struct {
 	StartTime    time.Time `json:"start_time"`
 	EndTime      time.Time `json:"end_time"`
 	Thumbnail    string    `json:"thumbnail"`
-	RequireKyc   bool      `json:"require_kyc"`
+	EnableKYC    bool      `json:"enable_kyc"`
+	IsJoined     bool      `json:"is_joined"`
 	JoinCount    int64     `json:"join_count"`
 	CheckinCount int64     `json:"checkin_count"`
 }
@@ -98,7 +99,7 @@ func (self *Event) FastListEvents(ctx context.Context, limit, offset int64) (*[]
 
 	err := Database.WithContext(ctx).
 		Model(&Event{}).
-		Select("event_id", "name", "type", "description", "start_time", "end_time").
+		Select("event_id", "name", "type", "description", "start_time", "end_time", "enable_kyc").
 		Limit(int(limit)).
 		Offset(int(offset)).
 		Scan(&results).Error