diff --git a/src/app/shared/state/auth.reducer.ts b/src/app/shared/state/auth.reducer.ts
index 95195a8..e999aef 100644
--- a/src/app/shared/state/auth.reducer.ts
+++ b/src/app/shared/state/auth.reducer.ts
@@ -1,3 +1,37 @@
 import { UserModel } from "../models";
-import { createReducer, on } from "@ngrx/store";
+import { createReducer, on, Action } from "@ngrx/store";
 import { AuthApiActions, AuthUserActions } from "src/app/auth/actions";
+
+export interface State {
+  gettingStatus: boolean;
+  user: null | UserModel;
+  error: null | string;
+}
+
+const initialState: State = {
+  gettingStatus: true,
+  user: null,
+  error: null
+};
+
+export const authReducer = createReducer(
+  initialState,
+  on(AuthUserActions.logout, (state, action) => {
+    return {
+      gettingStatus: false,
+      user: null,
+      error: null
+    };
+  }),
+  on(AuthUserActions.login, (state, action) => {
+    return {
+      gettingStatus: true,
+      user: null,
+      error: null
+    };
+  })
+);
+
+export function reducer(state: State | undefined, action: Action) {
+  return authReducer(state, action);
+}