/
websocket.go
88 lines (74 loc) · 1.75 KB
/
websocket.go
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package websockets
import (
"encoding/json"
"log"
"net/http"
"github.com/McCooll75/appchad/misc"
"github.com/gorilla/websocket"
)
type Client struct {
Conn *websocket.Conn
Page string
}
type jsonMap map[string]interface{}
var upgrader = websocket.Upgrader{
CheckOrigin: func(r *http.Request) bool {
return true
},
}
var Clients = make(map[string]Client)
func Socket(w http.ResponseWriter, r *http.Request) {
// upgrade connection
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Println("error connecting a websocket:", err)
return
}
defer conn.Close()
// setting up client
client := Client{conn, ""}
userID := misc.GetCookie("userID", w, r)
Clients[userID] = client
defer delete(Clients, userID)
// get all notifications for them
NotificationsDatabaseGet(userID)
log.Println("connected a websocket for", misc.GetCookie("username", w, r))
// reading message from client loop
for {
_, p, err := conn.ReadMessage()
if err != nil {
log.Println("error reading websocket:", err)
return
}
// getting data
data := make(jsonMap)
data["userID"] = userID
err = json.Unmarshal(p, &data)
if err != nil {
log.Println("error unmarshaling:", err)
continue
}
// deciding what to do with posted message
if msgType, ok := data["type"].(string); ok {
switch msgType {
// add message to database and send it to everybody
case "chat":
chatPost(data)
// get what page the user is on
case "page":
client.Page = data["page"].(string)
Clients[userID] = client
switch client.Page {
case "chatchad":
// show all the messages
chatGet(Clients[userID].Conn)
}
}
}
// closed connection
if r.Context().Err() != nil {
log.Println("connection closed")
return
}
}
}