From ef62e4f9d87800379be83927eb01c2a6c0e67a0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=A4ggmark?= <hugo.haggmark@grafana.com>
Date: Thu, 3 Dec 2020 11:21:55 +0100
Subject: [PATCH] PanelLibrary: Adds panellib table

---
 pkg/server/server.go              |  1 +
 pkg/services/panellib/panellib.go | 63 +++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 pkg/services/panellib/panellib.go

diff --git a/pkg/server/server.go b/pkg/server/server.go
index 7372a329a7b..38c509f38c5 100644
--- a/pkg/server/server.go
+++ b/pkg/server/server.go
@@ -37,6 +37,7 @@ import (
 	_ "github.com/grafana/grafana/pkg/services/cleanup"
 	_ "github.com/grafana/grafana/pkg/services/ngalert"
 	_ "github.com/grafana/grafana/pkg/services/notifications"
+	_ "github.com/grafana/grafana/pkg/services/panellib"
 	_ "github.com/grafana/grafana/pkg/services/provisioning"
 	_ "github.com/grafana/grafana/pkg/services/rendering"
 	_ "github.com/grafana/grafana/pkg/services/search"
diff --git a/pkg/services/panellib/panellib.go b/pkg/services/panellib/panellib.go
new file mode 100644
index 00000000000..5a4fda56e97
--- /dev/null
+++ b/pkg/services/panellib/panellib.go
@@ -0,0 +1,63 @@
+package panellib
+
+import (
+	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/registry"
+	"github.com/grafana/grafana/pkg/services/sqlstore"
+	"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
+	"github.com/grafana/grafana/pkg/setting"
+)
+
+// PanelLib is the service the Panel Libary feature.
+type PanelLib struct {
+	Cfg      *setting.Cfg       `inject:""`
+	SQLStore *sqlstore.SQLStore `inject:""`
+	log      log.Logger
+}
+
+func init() {
+	registry.RegisterService(&PanelLib{})
+}
+
+// Init initializes the PanelLib Service.
+func (pl *PanelLib) Init() error {
+	pl.log = log.New("panellib")
+
+	return nil
+}
+
+// IsEnabled returns true if the PanelLib service is enabled for this instance.
+func (pl *PanelLib) IsEnabled() bool {
+	if pl.Cfg == nil {
+		return false
+	}
+
+	return pl.Cfg.IsPanelLibraryEnabled()
+}
+
+// AddMigration defines database migrations.
+// If Panel Library is not enabled does nothing.
+func (pl *PanelLib) AddMigration(mg *migrator.Migrator) {
+	if !pl.IsEnabled() {
+		return
+	}
+
+	mg.AddMigration("drop old table panellib", migrator.NewDropTableMigration("panellib"))
+
+	panellibV1 := migrator.Table{
+		Name: "panellib",
+		Columns: []*migrator.Column{
+			{Name: "id", Type: migrator.DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
+			{Name: "org_id", Type: migrator.DB_BigInt, Nullable: false},
+			{Name: "folder_id", Type: migrator.DB_BigInt, Nullable: false},
+			{Name: "title", Type: migrator.DB_NVarchar, Length: 255, Nullable: false},
+			{Name: "data", Type: migrator.DB_Text, Nullable: false},
+			{Name: "created", Type: migrator.DB_DateTime, Nullable: false},
+			{Name: "created_by", Type: migrator.DB_BigInt, Nullable: false},
+			{Name: "updated", Type: migrator.DB_DateTime, Nullable: false},
+			{Name: "updated_by", Type: migrator.DB_BigInt, Nullable: false},
+		},
+	}
+
+	mg.AddMigration("create panellib table v1", migrator.NewAddTableMigration(panellibV1))
+}