92 lines
1.7 KiB
Go
92 lines
1.7 KiB
Go
package www
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import (
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"log"
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"strconv"
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"html/template"
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"net/http"
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"github.com/gorilla/websocket"
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"../playlist"
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)
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// todo: hub - https://stackoverflow.com/questions/31532652/go-websocket-send-all-clients-a-message
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var pp *playlist.PrettyPlaylist
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var p *playlist.Playlist
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var pln = log.Println
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type op_t struct {
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OP string `json:"op"`
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ID string `json:"id"`
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INDEX int `json:"index"`
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}
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var upgrader = websocket.Upgrader{
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ReadBufferSize: 512,
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WriteBufferSize: 512,
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}
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func Init(playlist *playlist.Playlist) {
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p = playlist
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pp = p.Pretty()
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http.HandleFunc("/pp", pp_handler)
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http.HandleFunc("/ppop", pp_operations)
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}
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func pp_handler(w http.ResponseWriter, r *http.Request) {
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t, err := template.ParseFiles("./www/tmpl/playlist.html")
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if err != nil {
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pln(err)
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return
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}
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pp.Print()
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t.Execute(w, pp)
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}
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func pp_operations(w http.ResponseWriter, r *http.Request) {
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pln("x")
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c, err := upgrader.Upgrade(w, r, nil)
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if err != nil {
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pln(err)
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return
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}
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go readop(c)
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}
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func readop(c *websocket.Conn) {
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for {
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opdata := &op_t{}
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if err := c.ReadJSON(&opdata); err != nil {
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pln(err)
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return //connection lost?
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}
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if opdata.OP == "move" {
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if id, err := strconv.ParseUint(opdata.ID, 10, 32); err == nil {
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p.Move(uint32(id), opdata.INDEX)
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pp = p.Pretty()
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pp.Print()
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}
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}
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pln(opdata.OP)
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pln(opdata.ID)
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pln(opdata.INDEX)
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if err := c.WriteJSON(opdata); err != nil {
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pln(err)
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return //connection lost?
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}
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}
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}
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// func pp_operations(ws *websocket.Conn) {
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// opdata := &op_t{}
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// if err := websocket.JSON.Receive(ws, &opdata); err != nil {
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// pln(err)
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// }
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// // websocket.JSON.Send(ws, "ok")
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// pln(opdata.OP)
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// pln(opdata.ID)
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// pln(opdata.INDEX)
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// } |