twitch-bot/pkg/twitch/clips.go

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package twitch
import (
"context"
"fmt"
"net/http"
"time"
"github.com/pkg/errors"
)
const clipCacheTimeout = 10 * time.Minute // Clips do not change that fast
type (
ClipInfo struct {
ID string `json:"id"`
URL string `json:"url"`
EmbedURL string `json:"embed_url"`
BroadcasterID string `json:"broadcaster_id"`
BroadcasterName string `json:"broadcaster_name"`
CreatorID string `json:"creator_id"`
CreatorName string `json:"creator_name"`
VideoID string `json:"video_id"`
GameID string `json:"game_id"`
Language string `json:"language"`
Title string `json:"title"`
ViewCount int64 `json:"view_count"`
CreatedAt time.Time `json:"created_at"`
ThumbnailURL string `json:"thumbnail_url"`
Duration float64 `json:"duration"`
VodOffset int64 `json:"vod_offset"`
}
)
// GetClipByID gets a video clip that were captured from streams by
// its ID (slug in the URL)
func (c *Client) GetClipByID(ctx context.Context, clipID string) (ClipInfo, error) {
cacheKey := []string{"getClipByID", clipID}
if clip := c.apiCache.Get(cacheKey); clip != nil {
return clip.(ClipInfo), nil
}
var payload struct {
Data []ClipInfo
}
if err := c.Request(ClientRequestOpts{
AuthType: AuthTypeAppAccessToken,
Context: ctx,
Method: http.MethodGet,
OKStatus: http.StatusOK,
Out: &payload,
URL: fmt.Sprintf("https://api.twitch.tv/helix/clips?id=%s", clipID),
}); err != nil {
return ClipInfo{}, errors.Wrap(err, "getting clip info")
}
if l := len(payload.Data); l != 1 {
return ClipInfo{}, errors.Errorf("unexpected number of clip info returned: %d", l)
}
c.apiCache.Set(cacheKey, clipCacheTimeout, payload.Data[0])
return payload.Data[0], nil
}