mirror of https://github.com/schollz/cowyo.git
66 lines
1.1 KiB
Go
66 lines
1.1 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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"github.com/gorilla/websocket"
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)
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var wsupgrader = websocket.Upgrader{
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ReadBufferSize: 1024,
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WriteBufferSize: 1024,
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}
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func wshandler(w http.ResponseWriter, r *http.Request) {
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conn, err := wsupgrader.Upgrade(w, r, nil)
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if err != nil {
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fmt.Println("Failed to set websocket upgrade: %+v", err)
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return
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}
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for {
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t, msg, err := conn.ReadMessage()
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if err != nil {
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break
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}
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type Message struct {
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TextData string
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Title string
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UpdateServer bool
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UpdateClient bool
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}
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var m Message
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err = json.Unmarshal(msg, &m)
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if err != nil {
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panic(err)
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}
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var p WikiData
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err = p.load(strings.ToLower(m.Title))
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if err != nil {
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panic(err)
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}
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if m.UpdateServer {
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err := p.save(m.TextData)
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if err != nil {
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panic(err)
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}
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m.TextData = "saved"
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}
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if m.UpdateClient {
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m.UpdateClient = len(m.TextData) != len(p.CurrentText)
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m.TextData = p.CurrentText
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}
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newMsg, err := json.Marshal(m)
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if err != nil {
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panic(err)
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}
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conn.WriteMessage(t, newMsg)
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}
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}
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