src/main/kotlin/net/pterodactylus/sone/web/notification/LocalPostHandler.kt

   1 /**
   2  * Sone - LocalPostHandler.kt - Copyright © 2019–2020 David ‘Bombe’ Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.web.notification
  19
  20 import com.google.common.eventbus.Subscribe
  21 import net.pterodactylus.sone.core.event.MarkPostKnownEvent
  22 import net.pterodactylus.sone.core.event.NewPostFoundEvent
  23 import net.pterodactylus.sone.core.event.PostRemovedEvent
  24 import net.pterodactylus.sone.data.Post
  25 import net.pterodactylus.sone.notify.ListNotification
  26 import net.pterodactylus.sone.notify.hasFirstStartNotification
  27 import net.pterodactylus.util.notify.NotificationManager
  28 import javax.inject.Inject
  29 import javax.inject.Named
  30
  31 /**
  32  * Handler for local posts.
  33  */
  34 class LocalPostHandler @Inject constructor(private val notificationManager: NotificationManager, @Named("localPost") private val notification: ListNotification<Post>) {
  35
  36         @Subscribe
  37         fun newPostFound(newPostFoundEvent: NewPostFoundEvent) {
  38                 newPostFoundEvent.post.onLocal { post ->
  39                         notification.add(post)
  40                         if (!notificationManager.hasFirstStartNotification()) {
  41                                 notificationManager.addNotification(notification)
  42                         }
  43                 }
  44         }
  45
  46         @Subscribe
  47         fun postRemoved(postRemovedEvent: PostRemovedEvent) {
  48                 postRemovedEvent.post.onLocal { post ->
  49                         notification.remove(post)
  50                 }
  51         }
  52
  53         @Subscribe
  54         fun postMarkedAsKnown(markPostKnownEvent: MarkPostKnownEvent) {
  55                 markPostKnownEvent.post.onLocal { post ->
  56                         notification.remove(post)
  57                 }
  58         }
  59
  60 }
  61
  62 private fun Post.onLocal(action: (Post) -> Unit) =
  63                 if ((sone == null) || sone!!.isLocal) action(this) else Unit