feature #14: Add routes for follow/unfollow coonstitution

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

@@ -9,10 +9,7 @@ import com.fasterxml.jackson.datatype.joda.JodaModule
 import fr.dcproject.entity.Article
 import fr.dcproject.entity.Citizen
 import fr.dcproject.entity.Constitution
-import fr.dcproject.routes.article
-import fr.dcproject.routes.citizen
-import fr.dcproject.routes.constitution
-import fr.dcproject.routes.followArticle
+import fr.dcproject.routes.*
 import fr.postgresjson.migration.Migrations
 import io.ktor.application.Application
 import io.ktor.application.install
@@ -121,6 +118,7 @@ fun Application.module() {
         citizen(get())
         constitution(get())
         followArticle(get())
+        followConstitution(get())
     }
 
     // TODO move to postgresJson lib

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

@@ -30,6 +30,7 @@ val Module = module {
     single { CitizenRepository(get()) }
     single { ConstitutionRepository(get()) }
     single { FollowArticleRepository(get()) }
+    single { FollowConstitutionRepository(get()) }
 
     single { Migrations(connection = get(), directory = config.sqlFiles) }
 }

src/main/kotlin/fr/dcproject/entity/Follow.kt

@@ -8,4 +8,5 @@ class Follow <T: EntityI<UUID>> (
     override var target: T
 ): Extra<T>(id, citizen)
 
-typealias FollowArticleEntity = Follow<Article>
+typealias FollowArticleEntity = Follow<Article>
+typealias FollowConstitutionEntity = Follow<Constitution>

src/main/kotlin/fr/dcproject/repository/Follow.kt

@@ -6,6 +6,7 @@ import fr.postgresjson.repository.RepositoryI
 import java.util.*
 import kotlin.reflect.KClass
 import fr.dcproject.entity.Article as ArticleEntity
+import fr.dcproject.entity.Constitution as ConstitutionEntity
 import fr.dcproject.entity.Follow as FollowEntity
 
 open class Follow <T: EntityI<UUID>>(override var requester: Requester): RepositoryI<FollowEntity<T>> {
@@ -34,3 +35,4 @@ open class Follow <T: EntityI<UUID>>(override var requester: Requester): Reposit
     }
 }
 class FollowArticleRepository(override var requester: Requester): Follow<ArticleEntity>(requester)
+class FollowConstitutionRepository(override var requester: Requester): Follow<ConstitutionEntity>(requester)

src/main/kotlin/fr/dcproject/routes/FollowConstitution.kt

@@ -0,0 +1,37 @@
+package fr.dcproject.routes
+
+import Paths
+import fr.dcproject.entity.Citizen
+import fr.dcproject.entity.User
+import fr.dcproject.repository.FollowConstitutionRepository
+import io.ktor.application.call
+import io.ktor.http.HttpStatusCode
+import io.ktor.locations.KtorExperimentalLocationsAPI
+import io.ktor.locations.delete
+import io.ktor.locations.post
+import io.ktor.response.respond
+import io.ktor.routing.Route
+import org.joda.time.DateTime
+import java.util.*
+import fr.dcproject.entity.Follow as FollowEntity
+
+// TODO get current citizen
+val currentCitizen2 = Citizen(
+    id = UUID.fromString("64b7b379-2298-43ec-b428-ba134930cabd"),
+    name = Citizen.Name("todo", "todo"),
+    birthday = DateTime.now(),
+    user = User(username = "plop", plainPassword = "plip")
+)
+
+@KtorExperimentalLocationsAPI
+fun Route.followConstitution(repo: FollowConstitutionRepository) {
+    post<Paths.ConstitutionFollowRequest> {
+        repo.follow(FollowEntity(target = it.constitution, citizen = currentCitizen2))
+        call.respond(HttpStatusCode.Created)
+    }
+
+    delete<Paths.ConstitutionFollowRequest> {
+        repo.unfollow(FollowEntity(target = it.constitution, citizen = currentCitizen2))
+        call.respond(HttpStatusCode.NoContent)
+    }
+}

src/main/kotlin/fr/dcproject/routes/Paths.kt

@@ -22,6 +22,7 @@ object Paths {
         val limit: Int = if (limit > 50) 50 else if (limit < 1) 1 else limit
     }
     @Location("/constitutions/{constitution}") class ConstitutionRequest(val constitution: Constitution)
+    @Location("/constitutions/{constitution}/follow") class ConstitutionFollowRequest(val constitution: Constitution)
     @Location("/constitutions") class PostConstitutionRequest