Refactors Citizen into component

Refactor CitizenVoter
Split citizens routes

src/main/kotlin/component/citizen/routes/ChangeMyPassword.kt

@@ -0,0 +1,45 @@
+package fr.dcproject.component.citizen.routes
+
+import com.fasterxml.jackson.module.kotlin.MissingKotlinParameterException
+import fr.dcproject.citizen
+import fr.dcproject.citizenOrNull
+import fr.dcproject.component.citizen.Citizen
+import fr.dcproject.component.citizen.CitizenVoter
+import fr.dcproject.repository.User
+import fr.dcproject.voter.assert
+import io.ktor.application.*
+import io.ktor.auth.*
+import io.ktor.http.*
+import io.ktor.locations.*
+import io.ktor.request.*
+import io.ktor.response.*
+import io.ktor.routing.*
+
+@KtorExperimentalLocationsAPI
+
+@Location("/citizens/{citizen}/password/change")
+class ChangePasswordCitizenRequest(val citizen: Citizen) {
+    data class Input(val oldPassword: String, val newPassword: String)
+}
+
+@KtorExperimentalLocationsAPI
+fun Route.changeMyPassword(voter: CitizenVoter, userRepository: User) {
+    put<ChangePasswordCitizenRequest> {
+        voter.assert { canChangePassword(it.citizen, citizenOrNull) }
+        try {
+            val content = call.receive<ChangePasswordCitizenRequest.Input>()
+            val currentUser = userRepository.findByCredentials(UserPasswordCredential(citizen.user.username, content.oldPassword))
+            val user = it.citizen.user
+            if (currentUser == null || currentUser.id != user.id) {
+                call.respond(HttpStatusCode.BadRequest, "Bad password")
+            } else {
+                user.plainPassword = content.newPassword
+                userRepository.changePassword(user)
+
+                call.respond(HttpStatusCode.Created)
+            }
+        } catch (e: MissingKotlinParameterException) {
+            call.respond(HttpStatusCode.BadRequest, "Request format is not correct")
+        }
+    }
+}