extract mongo-derivation

build.sbt

@@ -50,11 +50,20 @@ lazy val `sphere-json` = project.in(file("./json"))
   .settings(homepage := Some(url("https://github.com/sphereio/sphere-scala-libs/blob/master/json/README.md")))
   .dependsOn(`sphere-util`)
 
-lazy val `sphere-mongo` = project.in(file("./mongo"))
+lazy val `sphere-mongo-core` = project.in(file("./mongo/mongo-core"))
   .settings(standardSettings: _*)
-  .settings(Fmpp.settings: _*)
   .dependsOn(`sphere-util`)
 
+lazy val `sphere-mongo-derivation` = project.in(file("./mongo/mongo-derivation"))
+  .settings(standardSettings: _*)
+  .settings(Fmpp.settings: _*)
+  .dependsOn(`sphere-mongo-core`)
+
+lazy val `sphere-mongo` = project.in(file("./mongo"))
+  .settings(standardSettings: _*)
+  .settings(homepage := Some(url("https://github.com/sphereio/sphere-scala-libs/blob/master/mongo/README.md")))
+  .aggregate(`sphere-mongo-core`, `sphere-mongo-derivation`)
+
 // benchmarks
 
 lazy val benchmarks = project

mongo/src/test/scala/io/sphere/mongo/format/DefaultMongoFormatsTest.scala → mongo/mongo-core/src/test/scala/io/sphere/mongo/format/DefaultMongoFormatsTest.scala

@@ -1,8 +1,10 @@
 package io.sphere.mongo.format
 
 import java.util.Locale
+
+import com.mongodb.DBObject
+import io.sphere.mongo.MongoUtils
 import io.sphere.mongo.format.DefaultMongoFormats._
-import io.sphere.mongo.generic._
 import io.sphere.util.LangTag
 import org.bson.BasicBSONObject
 import org.bson.types.BasicBSONList
@@ -16,7 +18,14 @@ import scala.collection.JavaConverters._
 object DefaultMongoFormatsTest {
   case class User(name: String)
   object User {
-    implicit val mongo: MongoFormat[User] = mongoProduct(apply _)
+    implicit val mongo: MongoFormat[User] = new MongoFormat[User] {
+      override def toMongoValue(a: User): Any = MongoUtils.dbObj("name" -> a.name)
+      override def fromMongoValue(any: Any): User = any match {
+        case dbo: DBObject =>
+          User(dbo.get("name").asInstanceOf[String])
+        case _ => throw new Exception("expected DBObject")
+      }
+    }
   }
 }
 

mongo/mongo-derivation/src/test/scala/io/sphere/mongo/MongoUtils.scala

@@ -0,0 +1,9 @@
+package io.sphere.mongo
+import com.mongodb.BasicDBObject
+
+object MongoUtils {
+
+  def dbObj(pairs: (String, Any)*) =
+    pairs.foldLeft(new BasicDBObject){case (obj, (key, value)) => obj.append(key, value)}
+
+}