Add playlist support

playlist.go

@@ -0,0 +1,120 @@
+package gapi
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+)
+
+type Playlist struct {
+	Id       int64          `json:"id,omitempty"`
+	Name     string         `json:"name"`
+	Interval string         `json:"interval"`
+	URL      string         `json:"url"`
+	Items    []PlaylistItem `json:"items"`
+}
+
+type PlaylistItem struct {
+	Id    int64  `json:"id,omitempty"`
+	Type  string `json:"type"`
+	Order int    `json:"order"`
+	Title string `json:"title"`
+	Value string `json:"value"`
+}
+
+func (c *Client) NewPlaylist(s *Playlist) (int64, error) {
+	data, err := json.Marshal(s)
+	if err != nil {
+		return 0, err
+	}
+	req, err := c.newRequest("POST", "/api/playlists", bytes.NewBuffer(data))
+	if err != nil {
+		return 0, err
+	}
+
+	resp, err := c.Do(req)
+	if err != nil {
+		return 0, err
+	}
+	if resp.StatusCode != 200 {
+		return 0, errors.New(resp.Status)
+	}
+
+	data, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return 0, err
+	}
+
+	result := struct {
+		Id int64 `json:"id"`
+	}{}
+	err = json.Unmarshal(data, &result)
+	return result.Id, err
+}
+
+func (c *Client) UpdatePlaylist(s *Playlist) error {
+	path := fmt.Sprintf("/api/playlists/%d", s.Id)
+	data, err := json.Marshal(s)
+	if err != nil {
+		return err
+	}
+	req, err := c.newRequest("PUT", path, bytes.NewBuffer(data))
+	if err != nil {
+		return err
+	}
+
+	resp, err := c.Do(req)
+	if err != nil {
+		return err
+	}
+	if resp.StatusCode != 200 {
+		return errors.New(resp.Status)
+	}
+
+	return nil
+}
+
+func (c *Client) Playlist(id int64) (*Playlist, error) {
+	path := fmt.Sprintf("/api/playlists/%d", id)
+	req, err := c.newRequest("GET", path, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := c.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	if resp.StatusCode != 200 {
+		return nil, errors.New(resp.Status)
+	}
+
+	data, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	result := &Playlist{}
+	err = json.Unmarshal(data, &result)
+	return result, err
+}
+
+func (c *Client) DeletePlaylist(id int64) error {
+	path := fmt.Sprintf("/api/playlists/%d", id)
+	req, err := c.newRequest("DELETE", path, nil)
+	if err != nil {
+		return err
+	}
+
+	resp, err := c.Do(req)
+	if err != nil {
+		return err
+	}
+	if resp.StatusCode != 200 {
+		return errors.New(resp.Status)
+	}
+
+	return nil
+}