Merge pull request #3655 from grafana/playlist

Persistable playlists

closes #515
closes #1137

pkg/services/sqlstore/migrations/migrations.go

@@ -20,6 +20,7 @@ func AddMigrations(mg *Migrator) {
 	addQuotaMigration(mg)
 	addPluginBundleMigration(mg)
 	addSessionMigration(mg)
+	addPlaylistMigrations(mg)
 }
 
 func addMigrationLogMigrations(mg *Migrator) {

pkg/services/sqlstore/migrations/playlist_mig.go

@@ -0,0 +1,32 @@
+package migrations
+
+import . "github.com/grafana/grafana/pkg/services/sqlstore/migrator"
+
+func addPlaylistMigrations(mg *Migrator) {
+	playlistV1 := Table{
+		Name: "playlist",
+		Columns: []*Column{
+			{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
+			{Name: "title", Type: DB_NVarchar, Length: 255, Nullable: false},
+			{Name: "interval", Type: DB_NVarchar, Length: 255, Nullable: false},
+			{Name: "org_id", Type: DB_BigInt, Nullable: false},
+		},
+	}
+
+	// create table
+	mg.AddMigration("create playlist table v1", NewAddTableMigration(playlistV1))
+
+	playlistItemV1 := Table{
+		Name: "playlist_item",
+		Columns: []*Column{
+			{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
+			{Name: "playlist_id", Type: DB_BigInt, Nullable: false},
+			{Name: "type", Type: DB_NVarchar, Length: 255, Nullable: false},
+			{Name: "value", Type: DB_Text, Nullable: false},
+			{Name: "title", Type: DB_Text, Nullable: false},
+			{Name: "order", Type: DB_Int, Nullable: false},
+		},
+	}
+
+	mg.AddMigration("create playlist item table v1", NewAddTableMigration(playlistItemV1))
+}

pkg/services/sqlstore/playlist.go

@@ -0,0 +1,180 @@
+package sqlstore
+
+import (
+	"fmt"
+	"github.com/go-xorm/xorm"
+
+	"github.com/grafana/grafana/pkg/bus"
+	m "github.com/grafana/grafana/pkg/models"
+)
+
+func init() {
+	bus.AddHandler("sql", CreatePlaylist)
+	bus.AddHandler("sql", UpdatePlaylist)
+	bus.AddHandler("sql", DeletePlaylist)
+	bus.AddHandler("sql", SearchPlaylists)
+	bus.AddHandler("sql", GetPlaylist)
+	bus.AddHandler("sql", GetPlaylistDashboards)
+	bus.AddHandler("sql", GetPlaylistItem)
+}
+
+func CreatePlaylist(query *m.CreatePlaylistQuery) error {
+	var err error
+
+	playlist := m.Playlist{
+		Title:    query.Title,
+		Interval: query.Interval,
+		OrgId:    query.OrgId,
+	}
+
+	_, err = x.Insert(&playlist)
+
+	fmt.Printf("%v", playlist.Id)
+
+	playlistItems := make([]m.PlaylistItem, 0)
+	for _, item := range query.Items {
+		playlistItems = append(playlistItems, m.PlaylistItem{
+			PlaylistId: playlist.Id,
+			Type:       item.Type,
+			Value:      item.Value,
+			Order:      item.Order,
+			Title:      item.Title,
+		})
+	}
+
+	_, err = x.Insert(&playlistItems)
+
+	query.Result = &playlist
+	return err
+}
+
+func UpdatePlaylist(query *m.UpdatePlaylistQuery) error {
+	var err error
+	x.Logger.SetLevel(5)
+	playlist := m.Playlist{
+		Id:       query.Id,
+		Title:    query.Title,
+		Interval: query.Interval,
+	}
+
+	existingPlaylist := x.Where("id = ?", query.Id).Find(m.Playlist{})
+
+	if existingPlaylist == nil {
+		return m.ErrPlaylistNotFound
+	}
+
+	query.Result = &m.PlaylistDTO{
+		Id:       playlist.Id,
+		OrgId:    playlist.OrgId,
+		Title:    playlist.Title,
+		Interval: playlist.Interval,
+	}
+
+	_, err = x.Id(query.Id).Cols("id", "title", "timespan").Update(&playlist)
+
+	if err != nil {
+		return err
+	}
+
+	rawSql := "DELETE FROM playlist_item WHERE playlist_id = ?"
+	_, err = x.Exec(rawSql, query.Id)
+
+	if err != nil {
+		return err
+	}
+
+	playlistItems := make([]m.PlaylistItem, 0)
+
+	for _, item := range query.Items {
+		playlistItems = append(playlistItems, m.PlaylistItem{
+			PlaylistId: playlist.Id,
+			Type:       item.Type,
+			Value:      item.Value,
+			Order:      item.Order,
+			Title:      item.Title,
+		})
+	}
+
+	_, err = x.Insert(&playlistItems)
+
+	return err
+}
+
+func GetPlaylist(query *m.GetPlaylistByIdQuery) error {
+	if query.Id == 0 {
+		return m.ErrCommandValidationFailed
+	}
+
+	playlist := m.Playlist{}
+	_, err := x.Id(query.Id).Get(&playlist)
+
+	query.Result = &playlist
+
+	return err
+}
+
+func DeletePlaylist(query *m.DeletePlaylistQuery) error {
+	if query.Id == 0 {
+		return m.ErrCommandValidationFailed
+	}
+
+	return inTransaction(func(sess *xorm.Session) error {
+		var rawPlaylistSql = "DELETE FROM playlist WHERE id = ?"
+		_, err := sess.Exec(rawPlaylistSql, query.Id)
+
+		if err != nil {
+			return err
+		}
+
+		var rawItemSql = "DELETE FROM playlist_item WHERE playlist_id = ?"
+		_, err2 := sess.Exec(rawItemSql, query.Id)
+
+		return err2
+	})
+}
+
+func SearchPlaylists(query *m.PlaylistQuery) error {
+	var playlists = make(m.Playlists, 0)
+
+	sess := x.Limit(query.Limit)
+
+	if query.Title != "" {
+		sess.Where("title LIKE ?", query.Title)
+	}
+
+	sess.Where("org_id = ?", query.OrgId)
+	err := sess.Find(&playlists)
+	query.Result = playlists
+
+	return err
+}
+
+func GetPlaylistItem(query *m.GetPlaylistItemsByIdQuery) error {
+	if query.PlaylistId == 0 {
+		return m.ErrCommandValidationFailed
+	}
+
+	var playlistItems = make([]m.PlaylistItem, 0)
+	err := x.Where("playlist_id=?", query.PlaylistId).Find(&playlistItems)
+
+	query.Result = &playlistItems
+
+	return err
+}
+
+func GetPlaylistDashboards(query *m.GetPlaylistDashboardsQuery) error {
+	if len(query.DashboardIds) == 0 {
+		return m.ErrCommandValidationFailed
+	}
+
+	var dashboards = make(m.PlaylistDashboards, 0)
+
+	err := x.In("id", query.DashboardIds).Find(&dashboards)
+	query.Result = &dashboards
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}