Move userName and repositoryName to the base table class.

src/main/scala/model/BaseTable.scala

@@ -0,0 +1,15 @@
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+protected[model] abstract class BaseTable[T](_tableName: String) extends Table[T](_tableName) {
+  def userName = column[String]("USER_NAME")
+  def repositoryName = column[String]("REPOSITORY_NAME")
+  def base = userName ~ repositoryName
+
+  def repository(owner: String, repository: String) =
+    (userName is owner.bind) && (repositoryName is repository.bind)
+
+  def repository(other: BaseTable[T]) =
+    (userName is other.userName) && (repositoryName is other.repositoryName)
+}