Move Comment article to a Component

src/main/kotlin/component/comment/article/routes/CreateCommentArticle.kt

@@ -0,0 +1,44 @@
+package fr.dcproject.component.comment.article.routes
+
+import fr.dcproject.citizen
+import fr.dcproject.citizenOrNull
+import fr.dcproject.component.article.ArticleForView
+import fr.dcproject.component.comment.article.CommentArticleRepository
+import fr.dcproject.component.comment.generic.CommentForUpdate
+import fr.dcproject.component.comment.generic.CommentVoter
+import fr.dcproject.voter.assert
+import io.ktor.application.*
+import io.ktor.http.*
+import io.ktor.locations.*
+import io.ktor.request.*
+import io.ktor.response.*
+import io.ktor.routing.*
+
+@KtorExperimentalLocationsAPI
+@Location("/articles/{article}/comments")
+class PostArticleCommentRequest(
+    val article: ArticleForView
+) {
+    class Comment(
+        val content: String
+    )
+
+    suspend fun getComment(call: ApplicationCall) = call.receive<Comment>().run {
+        CommentForUpdate(
+            target = article,
+            createdBy = call.citizen,
+            content = content
+        )
+    }
+}
+
+@KtorExperimentalLocationsAPI
+fun Route.createCommentArticle(repo: CommentArticleRepository, voter: CommentVoter) {
+    post<PostArticleCommentRequest> {
+        it.getComment(call).let { comment ->
+            voter.assert { canCreate(comment, citizenOrNull) }
+            repo.comment(comment)
+            call.respond(HttpStatusCode.Created, comment)
+        }
+    }
+}