/
playlist.go
109 lines (85 loc) · 2.56 KB
/
playlist.go
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package mongo
import (
"context"
"errors"
"github.com/bookoo-billy/jukebox/db"
"github.com/sirupsen/logrus"
v1 "github.com/bookoo-billy/jukebox/proto/api/v1"
"github.com/google/uuid"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
type PlaylistDAO struct {
collection *mongo.Collection
}
func NewPlaylistDAO(mDb *mongo.Database) db.PlaylistDAO {
collection := mDb.Collection("Playlists")
_, err := collection.Indexes().CreateOne(context.Background(), mongo.IndexModel{
Keys: bson.D{{Key: "id", Value: 1}, {Key: "name", Value: 1}},
Options: options.Index().SetUnique(true),
})
if err != nil {
logrus.WithError(err).Panic("Failed in create playlist index")
}
return &PlaylistDAO{collection: collection}
}
func (a *PlaylistDAO) Create(ctx context.Context, playlist *v1.Playlist) (*v1.Playlist, error) {
err := a.validate(playlist)
if err != nil {
return nil, err
}
playlist.Id = uuid.New().String()
_, err = a.collection.InsertOne(ctx, playlist)
if err != nil {
return nil, err
}
return playlist, nil
}
func (a *PlaylistDAO) Delete(ctx context.Context, query *v1.PlaylistQuery) (*v1.Playlist, error) {
res := a.collection.FindOneAndDelete(ctx, query)
Playlist := &v1.Playlist{}
err := res.Decode(Playlist)
if err != nil && err != mongo.ErrNoDocuments {
return nil, err
}
return Playlist, nil
}
func (a *PlaylistDAO) Get(ctx context.Context, query *v1.PlaylistQuery) (*v1.Playlist, error) {
res := a.collection.FindOne(ctx, query)
Playlist := &v1.Playlist{}
err := res.Decode(Playlist)
if err != nil {
return nil, err
}
return Playlist, nil
}
func (a *PlaylistDAO) List(ctx context.Context, query *v1.PlaylistQuery) (*v1.PlaylistList, error) {
cursor, err := a.collection.Find(ctx, query)
if err != nil {
return nil, err
}
Playlists := &v1.PlaylistList{Items: []*v1.Playlist{}}
err = cursor.All(ctx, &Playlists.Items)
if err != nil {
return nil, err
}
return Playlists, nil
}
func (a *PlaylistDAO) Update(ctx context.Context, playlist *v1.Playlist) (*v1.Playlist, error) {
if playlist.Id == "" {
return nil, errors.New("Playlist.Id is a required field")
}
res := a.collection.FindOneAndUpdate(ctx, bson.M{"id": playlist.Id}, bson.M{"$set": playlist}, options.FindOneAndUpdate().SetReturnDocument(options.After))
err := res.Decode(playlist)
if err != nil {
return nil, err
}
return playlist, nil
}
func (a *PlaylistDAO) validate(playlist *v1.Playlist) error {
if playlist.Name == "" {
return errors.New("playlist.Name is a required field")
}
return nil
}