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)