added description field to playlist

store/migrations.go

@@ -26,6 +26,7 @@ package store
 
 import (
 	"errors"
+	"time"
 
 	"github.com/jinzhu/gorm"
 	"gopkg.in/gormigrate.v1"
@@ -72,6 +73,24 @@ func (st *Store) initDBModel() (err error) {
 			Migrate:  func(tx *gorm.DB) error { return nil },
 			Rollback: func(tx *gorm.DB) error { return nil },
 		},
+		{
+			ID: "201905160033",
+			Migrate: func(tx *gorm.DB) error {
+				type Playlist struct {
+					ID          uint64          `json:"id" gorm:"primary_key"`
+					CreatedAt   time.Time       `json:"created"`
+					UpdatedAt   time.Time       `json:"updated"`
+					Description string          `json:"description"`
+					ShowName    string          `json:"show" gorm:"not null;index"`
+					Show        Show            `json:"-" gorm:"association_foreignkey:Name"`
+					Entries     []PlaylistEntry `json:"entries,omitempty"`
+				}
+				return tx.AutoMigrate(&Playlist{}).Error
+			},
+			Rollback: func(tx *gorm.DB) error {
+				return tx.Table("playlists").DropColumn("description").Error
+			},
+		},
 	})
 
 	m.InitSchema(initialMigration)
@@ -79,7 +98,7 @@ func (st *Store) initDBModel() (err error) {
 		return errors.New("running database migrations failed: " + err.Error())
 	}
 
-	if err = st.db.Table(migrationsTn).Select("id").Order("id").Limit(1).Row().Scan(&st.revision); err != nil {
+	if err = st.db.Table(migrationsTn).Select("id").Order("id DESC").Limit(1).Row().Scan(&st.revision); err != nil {
 		return errors.New("fetching current database revision failed: " + err.Error())
 	}
 	return

store/types.go

@@ -191,12 +191,13 @@ type PlaylistEntry struct {
 }
 
 type Playlist struct {
-	ID        uint64          `json:"id" gorm:"primary_key"`
-	CreatedAt time.Time       `json:"created"`
-	UpdatedAt time.Time       `json:"updated"`
-	ShowName  string          `json:"show" gorm:"not null;index"`
-	Show      Show            `json:"-" gorm:"association_foreignkey:Name"`
-	Entries   []PlaylistEntry `json:"entries,omitempty"`
+	ID          uint64          `json:"id" gorm:"primary_key"`
+	CreatedAt   time.Time       `json:"created"`
+	UpdatedAt   time.Time       `json:"updated"`
+	Description string          `json:"description"`
+	ShowName    string          `json:"show" gorm:"not null;index"`
+	Show        Show            `json:"-" gorm:"association_foreignkey:Name"`
+	Entries     []PlaylistEntry `json:"entries,omitempty"`
 }
 
 type Playlists []Playlist