code refactor, added contact post route

model/model.go

@@ -1,9 +1,23 @@
 package model
 
-import "github.com/golang-jwt/jwt/v5"
+import (
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/google/uuid"
+)
 
 type UserClaims struct {
 	Username string `json:"username"`
-	UserId   string `json:"user_id"`
+	UserID   string `json:"user_id"`
 	jwt.RegisteredClaims
 }
+type Contact struct {
+	ID                int       `json:"contact_id"`
+	ConversationID    uuid.UUID `json:"conversation_id"`
+	UserID            uuid.UUID `json:"user_id"`
+	Username          string    `json:"username"`
+	Type              string    `json:"type"`
+	LastMessageID     int       `json:"last_message_id"`
+	LastMessage       string    `json:"last_message"`
+	LastMessageTime   string    `json:"last_message_time"`
+	LastMessageSender string    `json:"last_message_sender"`
+}