update

src/server/web/api/m3u.go

@@ -0,0 +1,109 @@
+package api
+
+import (
+	"bytes"
+	"fmt"
+	"net/http"
+	"net/url"
+	"path/filepath"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pkg/errors"
+	sets "server/settings"
+	"server/torr/state"
+	"server/utils"
+)
+
+func allPlayList(c *gin.Context) {
+	_, fromlast := c.GetQuery("fromlast")
+	stats := listTorrents()
+
+	host := "http://" + c.Request.Host
+	list := "#EXTM3U\n"
+
+	for _, stat := range stats {
+		list += getM3uList(stat, host, fromlast)
+	}
+
+	c.Header("Content-Type", "audio/x-mpegurl")
+	c.Header("Connection", "close")
+	c.Header("Content-Disposition", `attachment; filename="all.m3u"`)
+	http.ServeContent(c.Writer, c.Request, "all.m3u", time.Now(), bytes.NewReader([]byte(list)))
+
+	c.Status(200)
+}
+
+func playList(c *gin.Context) {
+	hash := c.Query("torrhash")
+	_, fromlast := c.GetQuery("fromlast")
+	if hash == "" {
+		c.AbortWithError(http.StatusBadRequest, errors.New("hash is empty"))
+		return
+	}
+
+	stats := listTorrents()
+	var stat *state.TorrentStats
+	for _, st := range stats {
+		if st.Hash == hash {
+			stat = st
+			break
+		}
+	}
+
+	if stat == nil {
+		c.AbortWithStatus(http.StatusNotFound)
+		return
+	}
+
+	// TODO проверить
+	host := "http://" + c.Request.Host
+	list := getM3uList(stat, host, fromlast)
+	list = "#EXTM3U\n" + list
+
+	c.Header("Content-Type", "audio/x-mpegurl")
+	c.Header("Connection", "close")
+	c.Header("Content-Disposition", `attachment; filename="playlist.m3u"`)
+	http.ServeContent(c.Writer, c.Request, "playlist.m3u", time.Now(), bytes.NewReader([]byte(list)))
+
+	c.Status(200)
+}
+
+func getM3uList(tor *state.TorrentStats, host string, fromLast bool) string {
+	m3u := ""
+	from := 0
+	if fromLast {
+		pos := searchLastPlayed(tor)
+		if pos != -1 {
+			from = pos
+		}
+	}
+	for i, f := range tor.FileStats {
+		if i >= from {
+			if utils.GetMimeType(f.Path) != "*/*" {
+				fn := filepath.Base(f.Path)
+				if fn == "" {
+					fn = f.Path
+				}
+				m3u += "#EXTINF:0," + fn + "\n"
+				// http://127.0.0.1:8090/stream/fname?link=...&index=0&play
+				m3u += host + "/stream/" + url.QueryEscape(f.Path) + "?link=" + tor.Hash + "&file=" + fmt.Sprint(f.Id) + "\n"
+			}
+		}
+	}
+	return m3u
+}
+
+func searchLastPlayed(tor *state.TorrentStats) int {
+	//TODO проверить
+	viewed := sets.ListViewed(tor.Hash)
+	for i := len(tor.FileStats); i > 0; i-- {
+		stat := tor.FileStats[i]
+		for _, v := range viewed {
+			if stat.Id == v.FileIndex {
+				return v.FileIndex
+			}
+		}
+	}
+	return -1
+}