src/main/kotlin/net/pterodactylus/sone/template/PostAccessor.kt

   1 /*
   2  * Sone - PostAccessor.java - Copyright © 2010–2019 David 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 package net.pterodactylus.sone.template
  18
  19 import net.pterodactylus.sone.core.*
  20 import net.pterodactylus.sone.data.*
  21 import net.pterodactylus.sone.utils.*
  22 import net.pterodactylus.util.template.*
  23
  24 /**
  25  * Accessor for [Post] objects that adds additional properties:
  26  *
  27  * * `replies`: All replies to this post, sorted by time, oldest first
  28  * * `likes`: All Sones that have liked the post
  29  * * `liked`: `true` if the current Sone from the [template context][TemplateContext] has liked the post
  30  * * `new`: `true` if the post is not known
  31  * * `bookmarked`: `true` if the post is bookmarked
  32  */
  33 class PostAccessor(private val core: Core) : ReflectionAccessor() {
  34
  35         override fun get(templateContext: TemplateContext?, `object`: Any?, member: String): Any? =
  36                         (`object` as Post).let { post ->
  37                                 when (member) {
  38                                         "replies" -> core.getReplies(post)
  39                                         "likes" -> core.getLikes(post)
  40                                         "liked" -> templateContext.currentSone?.isLikedPostId(post.id) ?: false
  41                                         "new" -> !post.isKnown
  42                                         "bookmarked" -> core.isBookmarked(post)
  43                                         "replySone" -> core.getReplies(post).lastOrNull { it.sone.isLocal }?.sone
  44                                                         ?: post.recipient.let { it.takeIf { it.isLocal } }
  45                                                         ?: post.sone.takeIf { it.isLocal }
  46                                                         ?: templateContext.currentSone
  47                                         else -> super.get(templateContext, `object`, member)
  48                                 }
  49                         }
  50
  51 }
  52
  53 private fun Core.getReplies(post: Post) = getReplies(post.id).filter { Reply.FUTURE_REPLY_FILTER.apply(it) }
  54 private val TemplateContext?.currentSone: Sone? get() = this?.get("currentSone") as? Sone