Added validation to stop duplicate dashboards with same name from being saved

pkg/stores/sqlstore/dashboards.go

@@ -17,7 +17,17 @@ func SaveDashboard(cmd *m.SaveDashboardCommand) error {
 	return inTransaction(func(sess *xorm.Session) error {
 		dash := cmd.GetDashboardModel()
 
-		var err error
+		// try get existing dashboard
+		existing := m.Dashboard{Slug: dash.Slug, AccountId: dash.AccountId}
+		hasExisting, err := sess.Get(&existing)
+		if err != nil {
+			return err
+		}
+
+		if hasExisting && dash.Id != existing.Id {
+			return m.ErrDashboardWithSameNameExists
+		}
+
 		if dash.Id == 0 {
 			_, err = sess.Insert(dash)
 		} else {

pkg/stores/sqlstore/dashboards_test.go

@@ -0,0 +1,70 @@
+package sqlstore
+
+import (
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+
+	m "github.com/torkelo/grafana-pro/pkg/models"
+)
+
+func TestDashboardDataAccess(t *testing.T) {
+
+	Convey("Testing DB", t, func() {
+		InitTestDB(t)
+
+		Convey("Given saved dashboard", func() {
+			var savedDash *m.Dashboard
+
+			cmd := m.SaveDashboardCommand{
+				AccountId: 1,
+				Dashboard: map[string]interface{}{
+					"id":    nil,
+					"title": "test dash 23",
+					"tags":  make([]interface{}, 0),
+				},
+			}
+
+			err := SaveDashboard(&cmd)
+			So(err, ShouldBeNil)
+
+			savedDash = cmd.Result
+
+			Convey("Should return dashboard model", func() {
+				So(savedDash.Title, ShouldEqual, "test dash 23")
+				So(savedDash.Slug, ShouldEqual, "test-dash-23")
+				So(savedDash.Id, ShouldNotEqual, 0)
+			})
+
+			Convey("Should be able to get dashboard", func() {
+				query := m.GetDashboardQuery{
+					Slug:      "test-dash-23",
+					AccountId: 1,
+				}
+
+				err := GetDashboard(&query)
+				So(err, ShouldBeNil)
+
+				So(query.Result.Title, ShouldEqual, "test dash 23")
+				So(query.Result.Slug, ShouldEqual, "test-dash-23")
+			})
+
+			Convey("Should not be able to save dashboard with same name", func() {
+				cmd := m.SaveDashboardCommand{
+					AccountId: 1,
+					Dashboard: map[string]interface{}{
+						"id":    nil,
+						"title": "test dash 23",
+						"tags":  make([]interface{}, 0),
+					},
+				}
+
+				err := SaveDashboard(&cmd)
+				So(err, ShouldNotBeNil)
+			})
+
+		})
+
+	})
+
+}