Work on repositories

app/web/backend/src/jvmMain/kotlin/guestbook/http/GuestbookOutbound.kt

@@ -1,10 +1,33 @@
 package guestbook.http
 
+import io.ktor.http.HttpStatusCode
+import io.ktor.resources.Resource
+import io.ktor.server.application.call
+import io.ktor.server.resources.get
+import io.ktor.server.response.respond
 import io.ktor.server.routing.Route
 import io.ktor.server.routing.route
+import org.sourcegrade.kontour.DomainEntity
+import org.sourcegrade.kontour.Repository
+import java.util.UUID
 
-fun Route.registerGuestbookRoutes() {
-    route("/api/guestbook") {
-
+inline fun <reified E : DomainEntity> Route.registerRepositoryGet(
+    name: String,
+    repository: Repository<E>,
+) {
+    route("/api/$name") {
+        get<ById> { (sid) ->
+            val id = UUID.fromString(sid)
+            val item = repository.getById(id)
+            if (item == null) {
+                call.respond(HttpStatusCode.NotFound, "Item with id $id not found in repository $name")
+            } else {
+                call.respond(HttpStatusCode.OK, item)
+            }
+        }
     }
 }
+
+@PublishedApi
+@Resource("{id}")
+internal data class ById(val id: String)

app/web/frontend/src/jsMain/kotlin/guestbook/http/GuestbookInbound.kt

@@ -10,7 +10,7 @@ class ClientRepository<E : DomainEntity, C : Creates<E>>(
     val httpClient: HttpClient,
 ) : Repository<E, C> {
     override suspend fun countAll(): Long {
-        TODO("Not yet implemented")
+
     }
 
     override suspend fun deleteById(id: UUID): Boolean {
@@ -21,6 +21,10 @@ class ClientRepository<E : DomainEntity, C : Creates<E>>(
         TODO("Not yet implemented")
     }
 
+    override suspend fun getById(id: UUID): E? {
+
+    }
+
     override suspend fun create(item: C): E {
         TODO("Not yet implemented")
     }

app/web/src/commonMain/kotlin/guestbook.web/http/GuestbookRoute.kt → app/web/src/commonMain/kotlin/guestbook.web/http/RepositoryRoute.kt

@@ -3,7 +3,7 @@ package guestbook.web.http
 import io.ktor.resources.Resource
 
 @Resource("/api/v1/guestbook")
-class GuestbookRoute {
+class RepositoryRoute {
     @Resource("{id}")
     class ById(val id: String)
 }

db/src/jvmMain/kotlin/guestbook/core/db/guestbook/GuestbookRepositoryImpl.kt

@@ -10,6 +10,7 @@ import org.jetbrains.exposed.sql.insert
 import org.jetbrains.exposed.sql.select
 import org.jetbrains.exposed.sql.selectAll
 import org.jetbrains.exposed.sql.transactions.experimental.newSuspendedTransaction
+import org.sourcegrade.kontour.Pagination
 import org.sourcegrade.kontour.UUID
 
 object GuestbookRepositoryImpl : GuestbookRepository {
@@ -36,6 +37,10 @@ object GuestbookRepositoryImpl : GuestbookRepository {
         }
     }
 
+    override suspend fun paginate(): Pagination<Guestbook> {
+        TODO("Not yet implemented")
+    }
+
     override suspend fun getById(id: UUID): Guestbook? {
         return newSuspendedTransaction {
             createJoin()

domain/src/commonMain/kotlin/guestbook/domain/GuestbookRepository.kt

@@ -1,7 +1,7 @@
 package guestbook.domain
 
-import org.sourcegrade.kontour.Repository
+import org.sourcegrade.kontour.MutableRepository
 
-interface GuestbookRepository : Repository<Guestbook, Guestbook.CreateDto> {
+interface GuestbookRepository : MutableRepository<Guestbook, Guestbook.CreateDto> {
     suspend fun findByName(name: String): Guestbook?
 }