mchess-server/api/handler/handler.go

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package handler
import (
"mchess_server/api"
"mchess_server/chess"
"mchess_server/lobbies"
"mchess_server/utils"
"net/http"
"sync"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
"go.uber.org/ratelimit"
)
var mut sync.Mutex
var limiter = ratelimit.New(10)
func HostGameHandler(c *gin.Context) {
limiter.Take()
player := chess.NewPlayer(uuid.New())
u := lobbies.GetUsher()
mut.Lock()
defer mut.Unlock()
lobby := u.CreateNewPrivateLobby(player)
u.AddPlayerToLobbyAndStartGameIfFull(player, lobby)
passphrase := lobby.Passphrase.String()
info := api.PlayerInfo{
PlayerID: &player.Uuid,
LobbyID: &lobby.Uuid,
Passphrase: &passphrase,
}
c.Header("Access-Control-Allow-Origin", "*")
c.IndentedJSON(http.StatusOK, info)
}
func GetLobbyForPassphraseHandler(c *gin.Context) {
limiter.Take()
reqPassphrase := c.Param("phrase")
if reqPassphrase == "" {
c.IndentedJSON(http.StatusBadRequest, reqPassphrase)
return
}
passPhraseWithSpaces := utils.ConvertToPassphraseWithSpaces(reqPassphrase)
lobby := lobbies.GetLobbyRegistry().GetLobbyByPassphrase(passPhraseWithSpaces)
if lobby == nil {
c.IndentedJSON(http.StatusNotFound, reqPassphrase)
return
}
lobbyInfo := api.LobbyInfo{
ID: &lobby.Uuid,
}
c.Header("Access-Control-Allow-Origin", "*")
c.IndentedJSON(http.StatusOK, lobbyInfo)
}
// TODO: this will be replaced by the JoinGameHandler()
func JoinPrivateGame(c *gin.Context) {
limiter.Take()
req := api.PlayerInfo{}
err := c.ShouldBindJSON(&req)
if err != nil || req.Passphrase == nil || *req.Passphrase == "" {
c.IndentedJSON(http.StatusNotFound, req)
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return
}
u := lobbies.GetUsher()
if req.Passphrase != nil &&
*req.Passphrase != "" &&
req.PlayerID != nil &&
req.LobbyID != nil { //is reconnect
lobby := u.FindExistingPrivateLobby(utils.Passphrase(*req.Passphrase))
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var found bool
if lobby != nil {
_, found = lobby.GetPlayerByUUID(*req.PlayerID)
}
if found {
c.Header("Access-Control-Allow-Origin", "*")
c.IndentedJSON(
http.StatusOK,
api.PlayerInfo{
PlayerID: req.PlayerID,
LobbyID: req.LobbyID,
Passphrase: req.Passphrase,
})
return
} else {
c.IndentedJSON(http.StatusNotFound, req)
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return
}
}
player := chess.NewPlayer(uuid.New())
mut.Lock()
defer mut.Unlock()
lobby := u.FindExistingPrivateLobby(utils.Passphrase(*req.Passphrase))
if lobby != nil {
u.AddPlayerToLobbyAndStartGameIfFull(player, lobby)
} else {
c.IndentedJSON(http.StatusNotFound, req)
return
}
info := api.PlayerInfo{
PlayerID: &player.Uuid,
LobbyID: &lobby.Uuid,
Passphrase: req.Passphrase,
}
c.Header("Access-Control-Allow-Origin", "*")
c.IndentedJSON(http.StatusOK, info)
}
func JoinGameHandler(c *gin.Context) {
limiter.Take()
id := c.Param("id")
idAsUUID, err := uuid.Parse(id)
if err != nil {
c.IndentedJSON(http.StatusBadRequest, nil)
return
}
passphrase := api.Passphrase{}
c.ShouldBindJSON(&passphrase)
u := lobbies.GetUsher()
lobby := u.GetLobbyByID(idAsUUID)
if lobby == nil {
c.IndentedJSON(http.StatusNotFound, nil)
return
}
lobbyInfo := api.LobbyInfo{
ID: &lobby.Uuid,
}
c.IndentedJSON(http.StatusOK, lobbyInfo)
}