Move Auth to a Component

src/main/kotlin/component/auth/UserRepository.kt

@@ -0,0 +1,42 @@
+package fr.dcproject.component.auth
+
+import fr.postgresjson.connexion.Requester
+import fr.postgresjson.repository.RepositoryI
+import io.ktor.auth.UserPasswordCredential
+import java.util.*
+import fr.dcproject.component.auth.User as UserEntity
+
+class UserRepository(override var requester: Requester) : RepositoryI {
+    fun findByCredentials(credentials: UserPasswordCredential): UserEntity? {
+        return requester
+            .getFunction("check_user")
+            .selectOne(
+                "username" to credentials.name,
+                "plain_password" to credentials.password
+            )
+    }
+
+    fun findById(id: UUID): UserEntity {
+        return requester
+            .getFunction("find_user_by_id")
+            .selectOne(
+                "id" to id
+            ) ?: throw UserNotFound(id)
+    }
+
+    fun insert(user: UserEntity): UserEntity? {
+        return requester
+            .getFunction("insert_user")
+            .selectOne("resource" to user)
+    }
+
+    fun changePassword(user: UserFull) {
+        requester
+            .getFunction("change_user_password")
+            .sendQuery("resource" to user)
+    }
+
+    class UserNotFound(override val message: String?, override val cause: Throwable?) : Throwable(message, cause) {
+        constructor(id: UUID) : this("No User with ID $id", null)
+    }
+}