use uuid for everything

cache.go

@@ -9,17 +9,17 @@ import (
 
 var (
 	mu          sync.RWMutex
-	CacheUsers  = make(map[uint32]*User)
-	CacheGroups = make(map[uint32]*Group)
+	CacheUsers  = make(map[uuid.UUID]*User)
+	CacheGroups = make(map[uuid.UUID]*Group)
 )
 
-func CacheGetUserById(id uint32) (*User, error) {
+func CacheGetUserById(id uuid.UUID) (*User, error) {
 	mu.RLock()
 	defer mu.RUnlock()
 
 	user, ok := CacheUsers[id]
 	if !ok {
-		return nil, fmt.Errorf("user %d not found", id)
+		return nil, fmt.Errorf("user %s not found", id)
 	}
 	return user, nil
 }
@@ -43,7 +43,7 @@ func CacheSaveUser(user *User) {
 	CacheUsers[user.Id] = user
 }
 
-func CacheDeleteUser(id uint32) {
+func CacheDeleteUser(id uuid.UUID) {
 	mu.Lock()
 	defer mu.Unlock()
 
@@ -57,7 +57,7 @@ func CacheSaveGroup(group *Group) {
 	CacheGroups[group.Id] = group
 }
 
-func CacheDeleteGroup(id uint32) {
+func CacheDeleteGroup(id uuid.UUID) {
 	mu.Lock()
 	defer mu.Unlock()
 	delete(CacheGroups, id)
@@ -65,7 +65,7 @@ func CacheDeleteGroup(id uint32) {
 
 func CacheAddConnection(a, b *User, conn *Connection) {
 	first, second := a, b
-	if a.Id > b.Id {
+	if a.Id.String() > b.Id.String() {
 		first, second = b, a
 	}
 	first.Mu.Lock()
@@ -78,7 +78,7 @@ func CacheAddConnection(a, b *User, conn *Connection) {
 
 func CacheDeleteConnection(a, b *User, id uuid.UUID) {
 	first, second := a, b
-	if a.Id > b.Id {
+	if a.Id.String() > b.Id.String() {
 		first, second = b, a
 	}
 	first.Mu.Lock()
@@ -96,13 +96,13 @@ func CacheGetConnection(user *User, id uuid.UUID) (*Connection, bool) {
 	return conn, ok
 }
 
-func CacheGetGroup(id uint32) (*Group, error) {
+func CacheGetGroup(id uuid.UUID) (*Group, error) {
 	mu.RLock()
 	defer mu.RUnlock()
 
 	group, ok := CacheGroups[id]
 	if !ok {
-		return nil, fmt.Errorf("group %d not found", id)
+		return nil, fmt.Errorf("group %s not found", id)
 	}
 
 	return group, nil