feat(admin): added admin panel

internal/api/admin_user_handler.go

@@ -0,0 +1,40 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"gitea.mrixs.me/minecraft-platform/backend/internal/database"
+	"github.com/go-chi/chi/v5"
+)
+
+type AdminUserHandler struct {
+	UserRepo *database.UserRepository
+}
+
+func (h *AdminUserHandler) GetAllUsers(w http.ResponseWriter, r *http.Request) {
+	users, err := h.UserRepo.GetAllUsers(r.Context())
+	if err != nil {
+		http.Error(w, "Failed to get users", http.StatusInternalServerError)
+		return
+	}
+	json.NewEncoder(w).Encode(users)
+}
+
+func (h *AdminUserHandler) UpdateUserRole(w http.ResponseWriter, r *http.Request) {
+	userID, _ := strconv.Atoi(chi.URLParam(r, "id"))
+	var payload struct {
+		Role string `json:"role"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
+		http.Error(w, "Invalid request body", http.StatusBadRequest)
+		return
+	}
+	// TODO: Валидация роли
+	if err := h.UserRepo.UpdateUserRole(r.Context(), userID, payload.Role); err != nil {
+		http.Error(w, "Failed to update role", http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}