Added arn to the main repository

arn/ActivityConsumeAnime.go

@@ -0,0 +1,97 @@
+package arn
+
+import "sort"
+
+// ActivityConsumeAnime is a user activity that consumes anime.
+type ActivityConsumeAnime struct {
+	AnimeID     string `json:"animeId"`
+	FromEpisode int    `json:"fromEpisode"`
+	ToEpisode   int    `json:"toEpisode"`
+
+	hasID
+	hasCreator
+	hasLikes
+}
+
+// NewActivityConsumeAnime creates a new activity.
+func NewActivityConsumeAnime(animeID string, fromEpisode int, toEpisode int, userID UserID) *ActivityConsumeAnime {
+	return &ActivityConsumeAnime{
+		hasID: hasID{
+			ID: GenerateID("ActivityConsumeAnime"),
+		},
+		hasCreator: hasCreator{
+			Created:   DateTimeUTC(),
+			CreatedBy: userID,
+		},
+		AnimeID:     animeID,
+		FromEpisode: fromEpisode,
+		ToEpisode:   toEpisode,
+	}
+}
+
+// Anime returns the anime.
+func (activity *ActivityConsumeAnime) Anime() *Anime {
+	anime, _ := GetAnime(activity.AnimeID)
+	return anime
+}
+
+// TypeName returns the type name.
+func (activity *ActivityConsumeAnime) TypeName() string {
+	return "ActivityConsumeAnime"
+}
+
+// Self returns the object itself.
+func (activity *ActivityConsumeAnime) Self() Loggable {
+	return activity
+}
+
+// LastActivityConsumeAnime returns the last activity for the given anime.
+func (user *User) LastActivityConsumeAnime(animeID string) *ActivityConsumeAnime {
+	activities := FilterActivitiesConsumeAnime(func(activity *ActivityConsumeAnime) bool {
+		return activity.AnimeID == animeID && activity.CreatedBy == user.ID
+	})
+
+	if len(activities) == 0 {
+		return nil
+	}
+
+	sort.Slice(activities, func(i, j int) bool {
+		return activities[i].Created > activities[j].Created
+	})
+
+	return activities[0]
+}
+
+// FilterActivitiesConsumeAnime filters all anime consumption activities by a custom function.
+func FilterActivitiesConsumeAnime(filter func(*ActivityConsumeAnime) bool) []*ActivityConsumeAnime {
+	var filtered []*ActivityConsumeAnime
+
+	for obj := range DB.All("ActivityConsumeAnime") {
+		realObject := obj.(*ActivityConsumeAnime)
+
+		if filter(realObject) {
+			filtered = append(filtered, realObject)
+		}
+	}
+
+	return filtered
+}
+
+// // OnLike is called when the activity receives a like.
+// func (activity *Activity) OnLike(likedBy *User) {
+// 	if likedBy.ID == activity.CreatedBy {
+// 		return
+// 	}
+
+// 	go func() {
+// 		notifyUser := activity.Creator()
+
+// 		notifyUser.SendNotification(&PushNotification{
+// 			Title:   likedBy.Nick + " liked your activity",
+// 			Message: activity.TextByUser(notifyUser),
+// 			Icon:    "https:" + likedBy.AvatarLink("large"),
+// 			Link:    "https://notify.moe" + activity.Link(),
+// 			Type:    NotificationTypeLike,
+// 		})
+// 	}()
+// }