X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FPost.kt;h=57815084303ef12841b07ee4e241b6e204efa7a5;hb=549af4fa7323c58e0660f21dd8605cbc812db286;hp=70415618621a326f713b386b5eb3697df2fe8c99;hpb=ee39c03a6a811300728183552afcede1d9f8e79a;p=Sone.git

diff --git a/src/main/kotlin/net/pterodactylus/sone/data/Post.kt b/src/main/kotlin/net/pterodactylus/sone/data/Post.kt
index 7041561..5781508 100644
--- a/src/main/kotlin/net/pterodactylus/sone/data/Post.kt
+++ b/src/main/kotlin/net/pterodactylus/sone/data/Post.kt
@@ -1,8 +1,26 @@
 package net.pterodactylus.sone.data
 
+import net.pterodactylus.sone.database.PostBuilder
+import java.util.Comparator.comparing
+
 /**
  * Predicate that returns whether a post is _not_ from the future,
  * i.e. whether it should be visible now.
  */
 @get:JvmName("noFuturePost")
 val noFuturePost: (Post) -> Boolean = { it.time <= System.currentTimeMillis() }
+
+/**
+ * Comparator that orders posts by their time, newest posts first.
+ */
+@get:JvmName("newestPostFirst")
+val newestPostFirst: Comparator<Post> = comparing(Post::getTime).reversed()
+
+data class PostShell(val id: String, val soneId: String, val recipientId: String?, val time: Long, val text: String) {
+
+	fun build(postBuilder: PostBuilder) =
+			postBuilder.withId(id).from(soneId).let { if (recipientId != null) it.to(recipientId) else it }.withTime(time).withText(text).build()
+
+}
+
+fun Post.toShell() = PostShell(id, sone!!.id, recipient.orNull()?.id, time, text)