Add /notes endpoint, allows note creation

api/src/controllers/Controllers.kt

@@ -14,4 +14,5 @@ val controllerModule = Kodein.Module(name = "Controller") {
 
     bind<KodeinController>().inSet() with singleton { UserController(this.kodein) }
     bind<KodeinController>().inSet() with singleton { HealthCheckController(this.kodein) }
+    bind<KodeinController>().inSet() with singleton { NoteController(this.kodein) }
 }

api/src/controllers/NoteController.kt

@@ -0,0 +1,71 @@
+package be.vandewalleh.controllers
+
+import be.vandewalleh.entities.Note
+import be.vandewalleh.entities.Tag
+import be.vandewalleh.errors.ApiError
+import be.vandewalleh.tables.Notes
+import be.vandewalleh.tables.Tags
+import be.vandewalleh.tables.Users
+import io.ktor.application.call
+import io.ktor.auth.UserIdPrincipal
+import io.ktor.auth.authenticate
+import io.ktor.auth.principal
+import io.ktor.http.HttpStatusCode
+import io.ktor.locations.Location
+import io.ktor.locations.post
+import io.ktor.request.receive
+import io.ktor.response.respond
+import io.ktor.routing.Routing
+import me.liuwj.ktorm.database.Database
+import me.liuwj.ktorm.dsl.eq
+import me.liuwj.ktorm.entity.add
+import me.liuwj.ktorm.entity.find
+import me.liuwj.ktorm.entity.sequenceOf
+import org.kodein.di.Kodein
+import org.kodein.di.generic.instance
+
+class NoteController(kodein: Kodein) : KodeinController(kodein) {
+    private val db by instance<Database>()
+
+    override fun Routing.registerRoutes() {
+        authenticate {
+            post<Routes.Notes> {
+                data class Response(val message: String)
+
+                val (email) = call.principal<UserIdPrincipal>()!!
+                val body = call.receive<PostNotesBody>()
+
+                val user = db.sequenceOf(Users)
+                    .find { Users.email eq email }
+                    ?: return@post call.respond(HttpStatusCode.Forbidden, ApiError.DeletedUserError)
+
+
+                val note = Note {
+                    this.title = body.title
+                    this.content = body.content
+                    this.user = user
+                }
+
+                db.sequenceOf(Notes).add(note)
+
+                body.tags.forEach { tagName ->
+                    val tag = Tag {
+                        this.name = tagName
+                        this.note = note
+                    }
+                    db.sequenceOf(Tags).add(tag)
+                }
+
+                return@post call.respond(Response("created"))
+            }
+        }
+
+    }
+
+    object Routes {
+        @Location("/notes")
+        class Notes
+    }
+}
+
+data class PostNotesBody(val title: String, val content: String, val tags: List<String>)

api/src/errors/Errors.kt

@@ -3,4 +3,5 @@ package be.vandewalleh.errors
 sealed class ApiError(val message: String){
     object InvalidCredentialError : ApiError("Invalid credentials")
     object ExistingUserError : ApiError("User already exists")
+    object DeletedUserError : ApiError("User has been deleted")
 }