(refs #74)Add web hook URL addition.

src/main/scala/service/WebHookService.scala

@@ -0,0 +1,19 @@
+package service
+
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+
+import model._
+
+trait WebHookService {
+
+  def getWebHookURLs(owner: String, repository: String): List[WebHook] =
+    Query(WebHooks).filter(_.byRepository(owner, repository)).sortBy(_.url).list
+
+  def addWebHookURL(owner: String, repository: String, url :String): Unit =
+    WebHooks.insert(WebHook(owner, repository, url))
+
+  def deleteWebHookURL(owner: String, repository: String, url :String): Unit =
+    Query(WebHooks).filter(_.byPrimaryKey(owner, repository, url)).delete
+
+}