fix tax log

frontend/src/lib/auth/store.ts

@@ -0,0 +1,102 @@
+// [DEF:authStore:Store]
+// @TIER: STANDARD
+// @SEMANTICS: auth, store, svelte, jwt, session
+// @PURPOSE:   Manages the global authentication state on the frontend.
+// @LAYER:     Feature
+// @RELATION:  MODIFIED_BY -> handleLogin, handleLogout
+// @RELATION:  BINDS_TO -> Navbar, ProtectedRoute
+
+import { writable } from 'svelte/store';
+import { browser } from '$app/environment';
+
+// [DEF:AuthState:Interface]
+/**
+ * @purpose Defines the structure of the authentication state.
+ */
+export interface AuthState {
+    user: any | null;
+    token: string | null;
+    isAuthenticated: boolean;
+    loading: boolean;
+}
+// [/DEF:AuthState:Interface]
+
+const initialState: AuthState = {
+    user: null,
+    token: browser ? localStorage.getItem('auth_token') : null,
+    isAuthenticated: false,
+    loading: true
+};
+
+// [DEF:createAuthStore:Function]
+/**
+ * @purpose Creates and configures the auth store with helper methods.
+ * @pre No preconditions - initialization function.
+ * @post Returns configured auth store with subscribe, setToken, setUser, logout, setLoading methods.
+ * @returns {Writable<AuthState>}
+ */
+function createAuthStore() {
+    const { subscribe, set, update } = writable<AuthState>(initialState);
+
+    return {
+        subscribe,
+        // [DEF:setToken:Function]
+        /**
+         * @purpose Updates the store with a new JWT token.
+         * @pre token must be a valid JWT string.
+         * @post Store updated with new token, isAuthenticated set to true.
+         * @param {string} token - The JWT access token.
+         */
+        setToken: (token: string) => {
+            console.log("[setToken][Action] Updating token");
+            if (browser) {
+                localStorage.setItem('auth_token', token);
+            }
+            update(state => ({ ...state, token, isAuthenticated: !!token }));
+        },
+        // [/DEF:setToken:Function]
+        // [DEF:setUser:Function]
+        /**
+         * @purpose Sets the current user profile data.
+         * @pre User object must contain valid profile data.
+         * @post Store updated with user, isAuthenticated true, loading false.
+         * @param {any} user - The user profile object.
+         */
+        setUser: (user: any) => {
+            console.log("[setUser][Action] Setting user profile");
+            update(state => ({ ...state, user, isAuthenticated: !!user, loading: false }));
+        },
+        // [/DEF:setUser:Function]
+        // [DEF:logout:Function]
+        /**
+         * @purpose Clears authentication state and storage.
+         * @pre User is currently authenticated.
+         * @post Auth token removed from localStorage, store reset to initial state.
+         */
+        logout: () => {
+            console.log("[logout][Action] Logging out");
+            if (browser) {
+                localStorage.removeItem('auth_token');
+            }
+            set({ user: null, token: null, isAuthenticated: false, loading: false });
+        },
+        // [/DEF:logout:Function]
+        // [DEF:setLoading:Function]
+        /**
+         * @purpose Updates the loading state.
+         * @pre None.
+         * @post Store loading state updated.
+         * @param {boolean} loading - Loading status.
+         */
+        setLoading: (loading: boolean) => {
+            console.log(`[setLoading][Action] Setting loading to ${loading}`);
+            update(state => ({ ...state, loading }));
+        }
+        // [/DEF:setLoading:Function]
+    };
+}
+// [/DEF:createAuthStore:Function]
+
+export const auth = createAuthStore();
+
+// [/DEF:authStore:Store]