Work on data source proxying, #6

pkg/models/datasource.go

@@ -1,6 +1,9 @@
 package models
 
-import "time"
+import (
+	"errors"
+	"time"
+)
 
 const (
 	DS_GRAPHITE      = "graphite"
@@ -10,6 +13,11 @@ const (
 	DS_ACCESS_PROXY  = "proxy"
 )
 
+// Typed errors
+var (
+	ErrDataSourceNotFound = errors.New("Data source not found")
+)
+
 type DsType string
 type DsAccess string
 
@@ -34,6 +42,12 @@ type GetDataSourcesQuery struct {
 	Result    []*DataSource
 }
 
+type GetDataSourceByNameQuery struct {
+	Name      string
+	AccountId int64
+	Result    DataSource
+}
+
 type AddDataSourceCommand struct {
 	AccountId int64
 	Name      string