misc: init

src/context/AuthContext.tsx

@@ -0,0 +1,92 @@
+import React, { createContext, useContext, useState, useEffect } from 'react';
+import AsyncStorage from '@react-native-async-storage/async-storage';
+import api from '../services/api';
+import { AuthResponse, User } from '../types';
+
+interface AuthContextType {
+  user: User | null;
+  token: string | null;
+  isAuthenticated: boolean;
+  isLoading: boolean;
+  login: (identity: string, password: string, isSuperuser?: boolean) => Promise<void>;
+  logout: () => Promise<void>;
+}
+
+const AuthContext = createContext<AuthContextType | undefined>(undefined);
+
+export const AuthProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [user, setUser] = useState<User | null>(null);
+  const [token, setToken] = useState<string | null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    loadAuth();
+  }, []);
+
+  const loadAuth = async () => {
+    try {
+      const storedToken = await AsyncStorage.getItem('auth_token');
+      const storedUser = await AsyncStorage.getItem('auth_user');
+      
+      if (storedToken && storedUser) {
+        setToken(storedToken);
+        api.setToken(storedToken);
+        setUser(JSON.parse(storedUser));
+      }
+    } catch (error) {
+      console.error('Failed to load auth', error);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const login = async (identity: string, password: string, isSuperuser = false) => {
+    try {
+      const response: AuthResponse = await api.authenticate(identity, password, isSuperuser);
+      
+      await AsyncStorage.setItem('auth_token', response.token);
+      await AsyncStorage.setItem('auth_user', JSON.stringify(response.record));
+      
+      setToken(response.token);
+      setUser(response.record);
+    } catch (error) {
+      throw error;
+    }
+  };
+
+  const logout = async () => {
+    try {
+      await AsyncStorage.removeItem('auth_token');
+      await AsyncStorage.removeItem('auth_user');
+      
+      api.clearToken();
+      setToken(null);
+      setUser(null);
+    } catch (error) {
+      console.error('Failed to logout', error);
+    }
+  };
+
+  return (
+    <AuthContext.Provider
+      value={{
+        user,
+        token,
+        isAuthenticated: !!token && !!user,
+        isLoading,
+        login,
+        logout,
+      }}
+    >
+      {children}
+    </AuthContext.Provider>
+  );
+};
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+  if (!context) {
+    throw new Error('useAuth must be used within an AuthProvider');
+  }
+  return context;
+};