add citizen in ApplicationCall

src/main/kotlin/fr/dcproject/ApplicationContext.kt

@@ -0,0 +1,24 @@
+package fr.dcproject
+
+import fr.dcproject.security.voter.ForbiddenException
+import io.ktor.application.ApplicationCall
+import io.ktor.auth.authentication
+import io.ktor.util.AttributeKey
+import io.ktor.util.pipeline.PipelineContext
+import kotlinx.coroutines.runBlocking
+import org.koin.core.context.GlobalContext
+import fr.dcproject.entity.Citizen as CitizenEntity
+import fr.dcproject.entity.User as UserEntity
+import fr.dcproject.repository.Citizen as CitizenRepository
+
+private val citizenAttributeKey = AttributeKey<CitizenEntity>("CitizenContext")
+
+val ApplicationCall.citizen: CitizenEntity
+    get() = attributes.computeIfAbsent(citizenAttributeKey) {
+        runBlocking {
+            val user = authentication.principal<UserEntity>() ?: throw ForbiddenException()
+            GlobalContext.get().koin.get<CitizenRepository>().findByUser(user) ?: throw ForbiddenException("Citizen not found for this user id \"${user.id}\"")
+        }
+    }
+
+val PipelineContext<Unit, ApplicationCall>.citizen get() = context.citizen