diff --git a/src/main/scala/service/IssuesService.scala b/src/main/scala/service/IssuesService.scala
new file mode 100644
index 0000000..fe3cfca
--- /dev/null
+++ b/src/main/scala/service/IssuesService.scala
@@ -0,0 +1,34 @@
+package service
+
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+import scala.slick.jdbc.{StaticQuery => Q}
+import Q.interpolation
+
+import model._
+
+trait IssuesService {
+  def saveIssue(owner: String, repository: String, loginUser: String,
+      title: String, content: String) = {
+    // next id number
+    val id = sql"SELECT ISSUE_ID + 1 FROM ISSUE_ID WHERE USER_NAME = $owner AND REPOSITORY_NAME = $repository FOR UPDATE".as[Int].first
+
+    Issues insert Issue(
+        owner,
+        repository,
+        id,
+        loginUser,
+        None,
+        None,
+        title,
+        content,
+        new java.sql.Date(System.currentTimeMillis),	// TODO
+        new java.sql.Date(System.currentTimeMillis))
+
+    // increment id
+    IssueId filter { t =>
+      (t.userName is owner.bind) && (t.repositoryName is repository.bind)
+    } map (_.issueId) update(id)
+  }
+
+}
\ No newline at end of file