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Added PerformGetRequest

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This commit is contained in:
Matthieu Grieger 2015-04-08 23:44:48 -07:00
parent 6a836f13b7
commit 14bb9df146
1 changed files with 56 additions and 36 deletions
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92
services/youtube/api.go
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@ -19,8 +19,8 @@ import (
"github.com/jmoiron/jsonq"
)
// Collection of metadata for a YouTube video.
type YouTubeVideo struct {
// Video holds the metadata for a YouTube video.
type Video struct {
id string
title string
duration string
@ -28,46 +28,25 @@ type YouTubeVideo struct {
thumbnail string
}
// Collection of metadata for a YouTube playlist.
type YouTubePlaylist struct {
id string
title string
duration string
secondsDuration string
// Playlist holds the metadata for a YouTube playlist.
type Playlist struct {
id string
title string
videoIds []string
}
// Retrieves the metadata for a new YouTube video, and creates and returns a
// YouTubeVideo type.
// GetYouTubeVideo retrieves the metadata for a new YouTube video, and creates and returns a
// Video type.
func GetYouTubeVideo(id string) (*YouTubeVideo, error) {
url := fmt.Sprintf("https://www.googleapis.com/youtube/v3/videos?part=snippet%2CcontentDetails&id=%s&key=%s",
url := fmt.Sprintf("https://www.googleapis.com/youtube/v3/videos?part=snippet,contentDetails&id=%s&key=%s",
id, os.Getenv("YOUTUBE_API_KEY"))
jsonString := ""
if response, err := http.Get(url); err == nil {
defer response.Body.Close()
if response.StatusCode == 200 {
if body, err := ioutil.ReadAll(response.Body); err == nil {
jsonString = string(body)
}
} else {
if response.StatusCode == 403 {
return nil, errors.New("Invalid API key supplied.")
} else {
return nil, errors.New("Invalid YouTube ID supplied.")
}
}
} else {
return nil, errors.New("An error occurred while receiving HTTP GET response.")
if response, err := PerformGetRequest(url); err != nil {
return nil, err
}
jsonData := map[string]interface{}{}
decoder := json.NewDecoder(strings.NewReader(jsonString))
decoder.Decode(&jsonData)
jq := jsonq.NewQuery(jsonData)
title, _ := jq.String("items", "0", "snippet", "title")
thumbnail, _ := jq.String("items", "0", "snippet", "thumbnails", "high", "url")
duration, _ := jq.String("items", "0", "contentDetails", "duration")
title, _ := response.String("items", "0", "snippet", "title")
thumbnail, _ := response.String("items", "0", "snippet", "thumbnails", "high", "url")
duration, _ := response.String("items", "0", "contentDetails", "duration")
minutes := int(duration[2:strings.Index(duration, "M")])
seconds := int(duration[strings.Index(duration, "M")+1 : len(duration)-1])
@ -83,3 +62,44 @@ func GetYouTubeVideo(id string) (*YouTubeVideo, error) {
}
return video, nil
}
// GetYouTubePlaylist retrieves the metadata for a new YouTube playlist, and creates and returns
// a Playlist type.
func GetYouTubePlaylist(id string) (*YouTubePlaylist, error) {
url := fmt.Sprintf("https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&maxResults=25&playlistId=%s&key=%s",
id, os.Getenv("YOUTUBE_API_KEY"))
if response, err := PerformGetRequest(url); err != nil {
return nil, err
}
title, _ := response.String("items", "0")
}
// PerformGetRequest does all the grunt work for a Youtube HTTPS GET request.
func PerformGetRequest(url string) (*jsonq.JsonQuery, error) {
jsonString := ""
if response, err := http.Get(url); err == nil {
defer response.Body.Close()
if response.StatusCode == 200 {
if body, err := ioutil.ReadAll(response.Body); err == nil {
jsonString = string(body)
}
} else {
if response.StatusCode == 403 {
return nil, errors.New("Invalid API key supplied.")
}
return nil, errors.New("Invalid YouTube ID supplied.")
}
} else {
return nil, errors.New("An error occurred while receiving HTTP GET response.")
}
jsonData := map[string]interface{}{}
decoder := json.NewDecoder(strings.NewReader(jsonString))
decoder.Decode(&jsonData)
jq := jsonq.NewQuery(jsonData)
return jq, nil
}