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Gifs API (#223)
* gifs service * Commit from GitHub Actions (Publish APIs & Clients) Co-authored-by: domwong <domwong@users.noreply.github.com>
This commit is contained in:
Dominic Wong
147
gifs/handler/gifs.go
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147
gifs/handler/gifs.go
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@@ -0,0 +1,147 @@
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package handler
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import (
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"context"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"strconv"
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"github.com/micro/micro/v3/service/config"
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"github.com/micro/micro/v3/service/errors"
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"github.com/micro/micro/v3/service/logger"
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gifs "github.com/micro/services/gifs/proto"
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)
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const (
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giphySearch = "https://api.giphy.com/v1/gifs/search?api_key=%s&q=%s&limit=%d&offset=%d&rating=%s&lang=%s"
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defaultLimit int32 = 25
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defaultOffset int32 = 0
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defaultRating = "g"
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defaultLang = "en"
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)
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type conf struct {
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APIKey string `json:"api_key"`
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}
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type Gifs struct {
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conf conf
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}
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func New() *Gifs {
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v, err := config.Get("micro.gifs")
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if err != nil {
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logger.Fatalf("Failed to load config %s", err)
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}
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var c conf
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if err := v.Scan(&c); err != nil {
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logger.Fatalf("Failed to load config %s", err)
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}
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return &Gifs{conf: c}
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}
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func (g *Gifs) Search(ctx context.Context, request *gifs.SearchRequest, response *gifs.SearchResponse) error {
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if len(request.Query) == 0 {
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return errors.BadRequest("gifs.Search", "Missing query field")
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}
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limit := defaultLimit
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if request.Limit > 0 {
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limit = request.Limit
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}
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offset := defaultOffset
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if request.Offset > 0 {
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offset = request.Offset
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}
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rating := defaultRating
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if len(request.Rating) > 0 {
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rating = request.Rating
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}
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lan := defaultLang
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if len(request.Lang) > 0 {
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lan = request.Lang
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}
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rsp, err := http.Get(fmt.Sprintf(giphySearch, g.conf.APIKey, request.Query, limit, offset, rating, lan))
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if err != nil {
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logger.Errorf("Error querying giphy %s", err)
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return errors.InternalServerError("gifs.Search", "Error querying for gifs")
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}
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defer rsp.Body.Close()
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b, err := ioutil.ReadAll(rsp.Body)
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if err != nil {
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logger.Errorf("Error marshalling giphy response %s", err)
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return errors.InternalServerError("gifs.Search", "Error querying for gifs")
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}
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var gRsp searchResponse
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if err := json.Unmarshal(b, &gRsp); err != nil {
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logger.Errorf("Error marshalling giphy response %s", err)
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return errors.InternalServerError("gifs.Search", "Error querying for gifs")
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}
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response.Data = marshalGifs(gRsp.Data)
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response.Pagination = &gifs.Pagination{
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Offset: gRsp.Pagination.Offset,
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TotalCount: gRsp.Pagination.TotalCount,
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Count: gRsp.Pagination.Count,
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}
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return nil
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}
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func marshalGifs(in []gif) []*gifs.Gif {
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ret := make([]*gifs.Gif, len(in))
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for i, v := range in {
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ret[i] = &gifs.Gif{
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Id: v.ID,
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Slug: v.Slug,
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Url: v.URL,
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ShortUrl: v.ShortURL,
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EmbedUrl: v.EmbedURL,
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Source: v.Source,
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Rating: v.Rating,
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Title: v.Title,
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Images: &gifs.ImageFormats{
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Original: marshalImageFormat(v.Images.Original),
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Downsized: marshalImageFormat(v.Images.Downsized),
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FixedHeight: marshalImageFormat(v.Images.FixedHeight),
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FixedHeightStill: marshalImageFormat(v.Images.FixedHeightStill),
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FixedHeightDownsampled: marshalImageFormat(v.Images.FixedHeightDownsampled),
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FixedWidth: marshalImageFormat(v.Images.FixedWidth),
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FixedWidthStill: marshalImageFormat(v.Images.FixedWidthStill),
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FixedWidthDownsampled: marshalImageFormat(v.Images.FixedWidthDownsampled),
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FixedHeightSmall: marshalImageFormat(v.Images.FixedHeightSmall),
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FixedHeightSmallStill: marshalImageFormat(v.Images.FixedHeightSmallStill),
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FixedWidthSmall: marshalImageFormat(v.Images.FixedWidthSmall),
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FixedWidthSmallStill: marshalImageFormat(v.Images.FixedWidthSmallStill),
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DownsizedStill: marshalImageFormat(v.Images.DownsizedStill),
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DownsizedLarge: marshalImageFormat(v.Images.DownsizedLarge),
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DownsizedMedium: marshalImageFormat(v.Images.DownsizedMedium),
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DownsizedSmall: marshalImageFormat(v.Images.DownsizedSmall),
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OriginalStill: marshalImageFormat(v.Images.OriginalStill),
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Looping: marshalImageFormat(v.Images.Looping),
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Preview: marshalImageFormat(v.Images.Preview),
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PreviewGif: marshalImageFormat(v.Images.PreviewGif),
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},
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}
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}
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return ret
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}
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func marshalImageFormat(in format) *gifs.ImageFormat {
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mustInt32 := func(s string) int32 {
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i, _ := strconv.Atoi(s)
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return int32(i)
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}
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return &gifs.ImageFormat{
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Height: mustInt32(in.Height),
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Width: mustInt32(in.Width),
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Size: mustInt32(in.Size),
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Url: in.URL,
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Mp4Url: in.MP4URL,
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Mp4Size: mustInt32(in.MP4Size),
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WebpUrl: in.WebpURL,
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WebpSize: mustInt32(in.WebpSize),
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}
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}
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58
gifs/handler/types.go
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58
gifs/handler/types.go
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@@ -0,0 +1,58 @@
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package handler
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type searchResponse struct {
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Data []gif `json:"data"`
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Pagination pagination `json:"pagination"`
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}
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type gif struct {
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ID string `json:"id"`
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Slug string `json:"slug"`
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URL string `json:"url"`
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ShortURL string `json:"bitly_url"`
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EmbedURL string `json:"embed_url"`
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Source string `json:"source"`
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Rating string `json:"rating"`
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Images formats `json:"images"`
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Title string `json:"title"`
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}
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type formats struct {
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Original format `json:"original"`
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Downsized format `json:"downsized"`
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FixedHeight format `json:"fixed_height"`
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FixedHeightStill format `json:"fixed_height_still"`
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FixedHeightDownsampled format `json:"fixed_height_downsampled"`
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FixedWidth format `json:"fixed_width"`
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FixedWidthStill format `json:"fixed_width_still"`
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FixedWidthDownsampled format `json:"fixed_width_downsampled"`
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FixedHeightSmall format `json:"fixed_height_small"`
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FixedHeightSmallStill format `json:"fixed_height_small_still"`
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FixedWidthSmall format `json:"fixed_width_small"`
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FixedWidthSmallStill format `json:"fixed_width_small_still"`
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DownsizedStill format `json:"downsized_still"`
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DownsizedLarge format `json:"downsized_large"`
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DownsizedMedium format `json:"downsized_medium"`
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DownsizedSmall format `json:"downsized_small"`
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OriginalStill format `json:"original_still"`
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Looping format `json:"looping"`
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Preview format `json:"preview"`
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PreviewGif format `json:"preview_gif"`
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}
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type format struct {
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Height string `json:"height"`
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Width string `json:"width"`
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Size string `json:"size"`
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URL string `json:"url"`
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MP4URL string `json:"mp4_url"`
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MP4Size string `json:"mp4_size"`
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WebpURL string `json:"webp_url"`
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WebpSize string `json:"webp_size"`
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}
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type pagination struct {
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Offset int32 `json:"offset"`
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TotalCount int32 `json:"total_count"`
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Count int32 `json:"count"`
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}
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