add missing files, update library version

go.mod

@@ -5,7 +5,7 @@ go 1.16
 
 require (
 	github.com/blang/semver v3.5.1+incompatible
-	github.com/brianstrauch/spotify v0.3.2
+	github.com/brianstrauch/spotify v0.4.0
 	github.com/pkg/browser v0.0.0-20210606212950-a7b7a6107d32
 	github.com/rhysd/go-github-selfupdate v1.2.3
 	github.com/spf13/cobra v1.1.3

go.sum

@@ -28,6 +28,8 @@ github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdn
 github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/brianstrauch/spotify v0.3.1 h1:IBd0vkal0bs+yilvp+6VR4aL9q94qiionwYHETcOHS4=
 github.com/brianstrauch/spotify v0.3.1/go.mod h1:sImRT74obai+LNgFVxr+qNVq2yt5KEfvNxz6ZDfYWaA=
+github.com/brianstrauch/spotify v0.4.0 h1:yy3CSBmM17klWsRemfqlDI9Ai8wuw7tVntVH1XQcHhc=
+github.com/brianstrauch/spotify v0.4.0/go.mod h1:sImRT74obai+LNgFVxr+qNVq2yt5KEfvNxz6ZDfYWaA=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=

internal/playlist/details.go

@@ -0,0 +1,56 @@
+package playlist
+
+import (
+	"errors"
+	"fmt"
+	"spotify/internal"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+func NewDetailsCommand() *cobra.Command {
+	return &cobra.Command{
+		Use:     "details",
+		Aliases: []string{"e"},
+		Short:   "Get information on a playlist",
+		Args:    cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			api, err := internal.Authenticate()
+			if err != nil {
+				return err
+			}
+			playlists, err := api.GetPlaylists()
+			if err != nil {
+				return err
+			}
+			argLower := strings.ToLower(args[0])
+			playlistID := ""
+			for _, pl := range playlists {
+				if strings.ToLower(pl.Name) == argLower {
+					playlistID = pl.ID
+				}
+			}
+			if playlistID == "" {
+				return errors.New("no such playlist")
+			}
+			playlist, err := api.GetPlaylist(playlistID)
+			if err != nil {
+				return err
+			}
+			fmt.Printf("📝: %s\n", playlist.Name)
+			fmt.Println("💿 Tracks:")
+			for i, tr := range playlist.Tracks.Items {
+				artistNames := make([]string, len(tr.Track.Artists))
+				for i, artist := range tr.Track.Artists {
+					if err := artist.Get(api, &artist); err != nil {
+						return err
+					}
+					artistNames[i] = artist.Name
+				}
+				fmt.Printf("%d. %s - %s\n", i+1, strings.Join(artistNames, ". "), tr.Track.Name)
+			}
+			return nil
+		},
+	}
+}

internal/playlist/list.go

@@ -0,0 +1,30 @@
+package playlist
+
+import (
+	"fmt"
+	"spotify/internal"
+
+	"github.com/spf13/cobra"
+)
+
+func NewListCommand() *cobra.Command {
+	return &cobra.Command{
+		Use:     "list",
+		Aliases: []string{"l"},
+		Short:   "list playlists",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			api, err := internal.Authenticate()
+			if err != nil {
+				return err
+			}
+			playlists, err := api.GetPlaylists()
+			if err != nil {
+				return err
+			}
+			for _, pl := range playlists {
+				fmt.Println(pl.Name)
+			}
+			return nil
+		},
+	}
+}

internal/playlist/playlist.go

@@ -0,0 +1,16 @@
+package playlist
+
+import (
+	"github.com/spf13/cobra"
+)
+
+func NewCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "playlist",
+		Aliases: []string{"p"},
+		Short:   "do things with playlists",
+	}
+	cmd.AddCommand(NewListCommand())
+	cmd.AddCommand(NewDetailsCommand())
+	return cmd
+}