feature #6: implement PostArticle route

fix upsert_article function

src/fr/dcproject/routes/Article.kt

@@ -5,15 +5,25 @@ import fr.postgresjson.serializer.serialize
 import io.ktor.application.call
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.ktor.locations.get
+import io.ktor.locations.post
+import io.ktor.request.receive
+import io.ktor.response.respond
 import io.ktor.response.respondText
 import io.ktor.routing.Route
+import fr.dcproject.entity.Article as ArticleEntity
+import fr.dcproject.repository.Article as ArticleRepository
 
 @KtorExperimentalLocationsAPI
-fun Route.article() {
+fun Route.article(repo: ArticleRepository) {
     get<Paths.ArticlesRequest> {
         call.respondText("todo")
     }
     get<Paths.ArticleRequest> {
         call.respondText(it.article.serialize())
     }
+    post<Paths.PostArticleRequest>() {
+        val article = call.receive<ArticleEntity>()
+        repo.upsert(article)
+        call.respond(article)
+    }
 }