add cache

src/server/web/api/cache.go

@@ -0,0 +1,51 @@
+package api
+
+import (
+	"net/http"
+
+	"server/torr"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pkg/errors"
+)
+
+//Action: get
+type cacheReqJS struct {
+	requestI
+	Hash string `json:"hash,omitempty"`
+}
+
+func cache(c *gin.Context) {
+	var req cacheReqJS
+	err := c.ShouldBindJSON(&req)
+	if err != nil {
+		c.AbortWithError(http.StatusBadRequest, err)
+		return
+	}
+	c.Status(http.StatusBadRequest)
+	switch req.Action {
+	case "get":
+		{
+			getCache(req, c)
+		}
+	}
+}
+
+func getCache(req cacheReqJS, c *gin.Context) {
+	if req.Hash == "" {
+		c.AbortWithError(http.StatusBadRequest, errors.New("hash is empty"))
+		return
+	}
+	tor := torr.GetTorrent(req.Hash)
+
+	if tor != nil {
+		st := tor.CacheState()
+		if st == nil {
+			c.JSON(200, struct{}{})
+		} else {
+			c.JSON(200, st)
+		}
+	} else {
+		c.Status(http.StatusNotFound)
+	}
+}

src/server/web/api/route.go

@@ -23,6 +23,8 @@ func SetupRoute(route *gin.Engine) {
 	route.POST("/torrents", torrents)
 	route.POST("/torrent/upload", torrentUpload)
 
+	route.POST("/cache", cache)
+
 	route.GET("/stream", stream)
 	route.GET("/stream/*fname", stream)