rewrite connections, messages system, add dm message history, fix multiple bugs, update machine-client

structs.go

@@ -1,14 +1,17 @@
 package main
 
 import (
-	"go-socket/Enums/ConnectionState"
+	"sync"
 	"time"
 
+	"go-socket/Enums/ConnectionState"
+
 	"github.com/coder/websocket"
 	"github.com/google/uuid"
 )
 
 type User struct {
+	Mu           sync.RWMutex
 	Name         string
 	Pronouns     string
 	PasswordHash string
@@ -21,11 +24,11 @@ type User struct {
 }
 
 type Connection struct {
-	Id          uuid.UUID                   `json:"id"`
-	CreatedAt   time.Time                   `json:"createdAt"`
-	MessagesBuf [MaxDirectMsgCache]*Message `json:"-"`
-	RequestorId uint32                      `json:"requestorId"`
-	RecipientId uint32                      `json:"recipientId"`
+	Id          uuid.UUID                       `json:"id"`
+	CreatedAt   time.Time                       `json:"createdAt"`
+	MessagesBuf [MaxDirectMsgCache]*Message     `json:"-"`
+	RequestorId uint32                          `json:"requestorId"`
+	RecipientId uint32                          `json:"recipientId"`
 	State       ConnectionState.ConnectionState `json:"state"`
 }
 
@@ -34,6 +37,7 @@ type Message struct {
 	Content        string    `json:"content"`
 	CreatedAt      time.Time `json:"createdAt"`
 	Sender         uint32    `json:"sender"`
+	Receiver       uint32    `json:"receiver"`
 	IsGroupMessage bool      `json:"isGroupMessage"`
 }