96 lines
2.9 KiB
Go
96 lines
2.9 KiB
Go
package server
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import (
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"encoding/json"
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"log"
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"net/http"
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"strconv"
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"git.netflux.io/rob/clipper/media"
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"git.netflux.io/rob/clipper/youtube"
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youtubev2 "github.com/kkdai/youtube/v2"
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"github.com/labstack/echo/v4"
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)
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// getMediaSet is a handler that responds with a MediaSet.
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func getMediaSet(c echo.Context) error {
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videoID := c.Param("id")
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mediaSet := media.NewMediaSet(videoID)
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if mediaSet.Exists() {
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if err := mediaSet.Load(); err != nil {
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log.Printf("error loading MediaSet: %v", err)
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return echo.NewHTTPError(http.StatusInternalServerError, "could not fetch media set")
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}
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return c.JSON(http.StatusOK, mediaSet)
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}
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var youtubeClient youtubev2.Client
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downloader := youtube.NewDownloader(&youtubeClient)
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mediaSet, err := downloader.Download(c.Request().Context(), videoID)
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if err != nil {
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log.Printf("error downloading MediaSet: %v", err)
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return echo.NewHTTPError(http.StatusInternalServerError, "could not fetch media set")
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}
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return c.JSON(http.StatusOK, mediaSet)
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}
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// getThumbnails is a handler that responds with a MediaSet thumbnail grid.
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func getThumbnails(c echo.Context) error {
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videoID := c.Param("id")
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mediaSet := media.NewMediaSet(videoID)
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if err := mediaSet.Load(); err != nil {
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log.Printf("error loading MediaSet: %v", err)
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return echo.NewHTTPError(http.StatusInternalServerError, "could not load media set")
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}
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return c.File(mediaSet.ThumbnailPath())
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}
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// getVideo is a handler that responds with the video file for a MediaSet
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func getVideo(c echo.Context) error {
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videoID := c.Param("id")
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mediaSet := media.NewMediaSet(videoID)
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if err := mediaSet.Load(); err != nil {
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log.Printf("error loading MediaSet: %v", err)
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return echo.NewHTTPError(http.StatusInternalServerError, "could not load media set")
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}
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return c.File(mediaSet.VideoPath())
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}
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// getPeaks is a handler that returns a two-dimensional array of peaks, with
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// the number of bins matching the provided parameter.
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func getPeaks(c echo.Context) error {
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videoID := c.Param("id")
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start, err := strconv.ParseInt(c.QueryParam("start"), 0, 64)
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if err != nil {
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return echo.NewHTTPError(http.StatusBadRequest, "invalid start parameter provided")
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}
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end, err := strconv.ParseInt(c.QueryParam("end"), 0, 64)
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if err != nil {
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return echo.NewHTTPError(http.StatusBadRequest, "invalid end parameter provided")
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}
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numBins, err := strconv.Atoi(c.QueryParam("bins"))
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if err != nil {
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return echo.NewHTTPError(http.StatusBadRequest, "invalid bins parameter provided")
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}
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mediaSet := media.NewMediaSet(videoID)
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if err = mediaSet.Load(); err != nil {
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log.Printf("error loading MediaSet: %v", err)
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return echo.NewHTTPError(http.StatusInternalServerError, "could not load media set")
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}
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peaks, err := mediaSet.Peaks(start, end, numBins)
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if err != nil {
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log.Printf("error generating peaks: %v", err)
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return echo.NewHTTPError(http.StatusInternalServerError, "could not generate peaks")
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}
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return json.NewEncoder(c.Response()).Encode(peaks)
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}
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