change user type from int to uuid string

api/db.go

@@ -8,7 +8,7 @@ import (
 	"git.dubyatp.xyz/chat-api-server/db"
 )
 
-func dbGetUser(id int64) (*User, error) {
+func dbGetUser(id string) (*User, error) {
 	data := db.ExecDB("users")
 	if data == nil {
 		return nil, errors.New("failed to load users database")
@@ -17,9 +17,9 @@ func dbGetUser(id int64) (*User, error) {
 	users := data["users"].([]interface{})
 	for _, u := range users {
 		user := u.(map[string]interface{})
-		if int64(user["ID"].(float64)) == id {
+		if user["ID"].(string) == id {
 			return &User{
-				ID:   int64(user["ID"].(float64)),
+				ID:   user["ID"].(string),
 				Name: user["Name"].(string),
 			}, nil
 		}
@@ -52,7 +52,7 @@ func dbGetMessage(id string) (*Message, error) {
 			}
 			return &Message{
 				ID:        message["ID"].(string),
-				UserID:    int64(message["UserID"].(float64)),
+				UserID:    message["UserID"].(string),
 				Body:      message["Body"].(string),
 				Timestamp: timestamp,
 				Edited:    edited,
@@ -88,7 +88,7 @@ func dbGetAllMessages() ([]*Message, error) {
 		}
 		result = append(result, &Message{
 			ID:        message["ID"].(string),
-			UserID:    int64(message["UserID"].(float64)),
+			UserID:    message["UserID"].(string),
 			Body:      message["Body"].(string),
 			Timestamp: timestamp,
 			Edited:    edited,

api/message.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"net/http"
-	"strconv"
 
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/render"
@@ -110,15 +109,14 @@ func newMessageID() string {
 }
 
 func NewMessage(w http.ResponseWriter, r *http.Request) {
-	err := r.ParseMultipartForm(32 << 20)
+	err := r.ParseMultipartForm(64 << 10)
 	if err != nil {
 		http.Error(w, "Unable to parse form", http.StatusBadRequest)
 		return
 	}
 
-	userIDStr := r.FormValue("user_id")
-	userID, err := strconv.ParseInt(userIDStr, 10, 64)
-	if err != nil {
+	userID := r.FormValue("user_id")
+	if userID == "" {
 		http.Error(w, "Invalid user ID", http.StatusBadRequest)
 		return
 	}
@@ -150,7 +148,7 @@ type messageKey struct{}
 
 type Message struct {
 	ID        string    `json:"id"`
-	UserID    int64     `json:"user_id"`
+	UserID    string    `json:"user_id"`
 	Body      string    `json:"body"`
 	Timestamp time.Time `json:"timestamp"`
 	Edited    time.Time `json:"edited"`
@@ -175,7 +173,7 @@ type MessageResponse struct {
 func (m MessageResponse) MarshalJSON() ([]byte, error) {
 	type OrderedMessageResponse struct {
 		ID        string       `json:"id"`
-		UserID    int64        `json:"user_id"`
+		UserID    string       `json:"user_id"`
 		Body      string       `json:"body"`
 		Timestamp string       `json:"timestamp"`
 		Edited    *string      `json:"edited,omitempty"` // Use a pointer to allow null values

api/user.go

@@ -1,7 +1,15 @@
 package api
 
+import (
+	"github.com/google/uuid"
+)
+
+func newUserID() string {
+	return "user_" + uuid.New().String()
+}
+
 type User struct {
-	ID   int64  `json:"id"`
+	ID   string `json:"id"`
 	Name string `json:"name"`
 }