impl playlist api (#32)

Author: matthiasng

playlist.go

@@ -0,0 +1,134 @@
+package gapi
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+)
+
+type PlaylistItem struct {
+	Type  string `json:"type"`
+	Value string `json:"value"`
+	Order int    `json:"order"`
+	Title string `json:"title"`
+}
+
+type Playlist struct {
+	Id       int            `json:"id"`
+	Name     string         `json:"name"`
+	Interval string         `json:"interval"`
+	Items    []PlaylistItem `json:"items"`
+}
+
+func (c *Client) Playlist(id int) (*Playlist, error) {
+	path := fmt.Sprintf("/api/playlists/%d", id)
+	req, err := c.newRequest("GET", path, nil, 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
+	}
+
+	playlist := &Playlist{}
+
+	err = json.Unmarshal(data, &playlist)
+	if err != nil {
+		return nil, err
+	}
+
+	return playlist, nil
+}
+
+func (c *Client) NewPlaylist(playlist Playlist) (int, error) {
+	data, err := json.Marshal(playlist)
+	if err != nil {
+		return 0, err
+	}
+
+	req, err := c.newRequest("POST", "/api/playlists", nil, 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 int
+	}{}
+
+	err = json.Unmarshal(data, &result)
+	if err != nil {
+		return 0, err
+	}
+
+	return result.Id, nil
+}
+
+func (c *Client) UpdatePlaylist(playlist Playlist) error {
+	path := fmt.Sprintf("/api/playlists/%d", playlist.Id)
+	data, err := json.Marshal(playlist)
+	if err != nil {
+		return err
+	}
+
+	req, err := c.newRequest("PUT", path, nil, 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) DeletePlaylist(id int) error {
+	path := fmt.Sprintf("/api/playlists/%d", id)
+	req, err := c.newRequest("DELETE", path, nil, 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
+}

playlist_test.go

@@ -0,0 +1,102 @@
+package gapi
+
+import (
+	"testing"
+)
+
+const (
+	createAndUpdatePlaylistResponse = `  {
+		"id": 1,
+		"name": "my playlist",
+		"interval": "5m"
+	}`
+
+	getPlaylistResponse = `{
+		"id" : 2,
+		"name": "my playlist",
+		"interval": "5m",
+		"orgId": "my org",
+		"items": [
+			{
+				"id": 1,
+				"playlistId": 1,
+				"type": "dashboard_by_id",
+				"value": "3",
+				"order": 1,
+				"title":"my dasboard"
+			},
+			{
+				"id": 1,
+				"playlistId": 1,
+				"type": "dashboard_by_id",
+				"value": "3",
+				"order": 1,
+				"title":"my dasboard"
+			}
+		]
+	}`
+)
+
+func TestPlaylistCreateAndUpdate(t *testing.T) {
+	server, client := gapiTestTools(200, createAndUpdatePlaylistResponse)
+	defer server.Close()
+
+	playlist := Playlist{
+		Name:     "my playlist",
+		Interval: "5m",
+		Items: []PlaylistItem{
+			PlaylistItem{},
+		},
+	}
+
+	// create
+	id, err := client.NewPlaylist(playlist)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if id != 1 {
+		t.Errorf("Invalid id - %d, Expected %d", id, 1)
+	}
+
+	// update
+	playlist.Items = append(playlist.Items, PlaylistItem{
+		Type:  "dashboard_by_id",
+		Value: "1",
+		Order: 1,
+		Title: "my dashboard",
+	})
+
+	err = client.UpdatePlaylist(playlist)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestGetPlaylist(t *testing.T) {
+	server, client := gapiTestTools(200, getPlaylistResponse)
+	defer server.Close()
+
+	playlist, err := client.Playlist(1)
+	if err != nil {
+		t.Error(err)
+	}
+
+	if playlist.Id != 2 {
+		t.Errorf("Invalid id - %d, Expected %d", playlist.Id, 1)
+	}
+
+	if len(playlist.Items) != 2 {
+		t.Errorf("Invalid len(items) - %d, Expected %d", len(playlist.Items), 2)
+	}
+}
+
+func TestDeletePlaylist(t *testing.T) {
+	server, client := gapiTestTools(200, "")
+	defer server.Close()
+
+	err := client.DeletePlaylist(1)
+	if err != nil {
+		t.Error(err)
+	}
+}