refactor: replace Supabase with self-hosted backend API

src/services/api.ts

@@ -0,0 +1,141 @@
+import type { User, Event, Note, AIConversation, EventType } from '../types';
+
+// API Base URL - from environment variable
+const API_URL = import.meta.env.VITE_API_URL || 'http://localhost:3000/api';
+
+// Token storage
+const TOKEN_KEY = 'qia_token';
+const REFRESH_TOKEN_KEY = 'qia_refresh_token';
+
+export const api = {
+  // Token management
+  getToken: () => localStorage.getItem(TOKEN_KEY),
+  getRefreshToken: () => localStorage.getItem(REFRESH_TOKEN_KEY),
+  setTokens: (token: string, refreshToken: string) => {
+    localStorage.setItem(TOKEN_KEY, token);
+    localStorage.setItem(REFRESH_TOKEN_KEY, refreshToken);
+  },
+  clearTokens: () => {
+    localStorage.removeItem(TOKEN_KEY);
+    localStorage.removeItem(REFRESH_TOKEN_KEY);
+  },
+
+  // Generic request helper
+  async request<T>(endpoint: string, options: RequestInit = {}): Promise<T> {
+    const token = api.getToken();
+
+    const headers: HeadersInit = {
+      'Content-Type': 'application/json',
+      ...(token && { Authorization: `Bearer ${token}` }),
+      ...options.headers,
+    };
+
+    const response = await fetch(`${API_URL}${endpoint}`, {
+      ...options,
+      headers,
+    });
+
+    const data = await response.json();
+
+    if (!response.ok) {
+      throw new Error(data.error || 'Request failed');
+    }
+
+    return data;
+  },
+
+  // Auth API
+  auth: {
+    register: async (email: string, password: string, nickname?: string) => {
+      return api.request<{ user: User; token: string; refreshToken: string }>(
+        '/auth/register',
+        {
+          method: 'POST',
+          body: JSON.stringify({ email, password, nickname }),
+        }
+      );
+    },
+
+    login: async (email: string, password: string) => {
+      return api.request<{ user: User; token: string; refreshToken: string }>(
+        '/auth/login',
+        {
+          method: 'POST',
+          body: JSON.stringify({ email, password }),
+        }
+      );
+    },
+
+    logout: async () => {
+      return api.request('/auth/logout', { method: 'POST' });
+    },
+
+    getCurrentUser: async () => {
+      return api.request<{ user: User }>('/auth/me');
+    },
+
+    refreshToken: async () => {
+      const refreshToken = api.getRefreshToken();
+      if (!refreshToken) throw new Error('No refresh token');
+
+      return api.request<{ token: string }>('/auth/refresh', {
+        method: 'POST',
+        body: JSON.stringify({ refreshToken }),
+      });
+    },
+  },
+
+  // Events API
+  events: {
+    getAll: async (type?: EventType) => {
+      const query = type ? `?type=${type}` : '';
+      return api.request<Event[]>(`/events${query}`);
+    },
+
+    getById: async (id: string) => {
+      return api.request<Event>(`/events/${id}`);
+    },
+
+    create: async (event: Partial<Event>) => {
+      return api.request<Event>('/events', {
+        method: 'POST',
+        body: JSON.stringify(event),
+      });
+    },
+
+    update: async (id: string, updates: Partial<Event>) => {
+      return api.request<Event>(`/events/${id}`, {
+        method: 'PUT',
+        body: JSON.stringify(updates),
+      });
+    },
+
+    delete: async (id: string) => {
+      return api.request(`/events/${id}`, { method: 'DELETE' });
+    },
+  },
+
+  // Notes API
+  notes: {
+    get: async () => {
+      return api.request<Note>('/notes');
+    },
+
+    update: async (content: string) => {
+      return api.request<Note>('/notes', {
+        method: 'PUT',
+        body: JSON.stringify({ content }),
+      });
+    },
+  },
+
+  // AI API
+  ai: {
+    parse: async (message: string) => {
+      return api.request<{ parsed: any; response: string }>('/ai/parse', {
+        method: 'POST',
+        body: JSON.stringify({ message }),
+      });
+    },
+  },
+};

src/stores/index.ts

@@ -1,7 +1,7 @@
 import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
 import type { User, Event, Note, AIConversation } from '../types';
-import { auth } from '../services/supabase';
+import { api } from '../services/api';
 
 interface AppState {
   // Auth state
@@ -34,7 +34,7 @@ interface AppState {
 
 export const useAppStore = create<AppState>()(
   persist(
-    (set, get) => ({
+    (set) => ({
       // Initial state
       user: null,
       isAuthenticated: false,
@@ -62,45 +62,61 @@ export const useAppStore = create<AppState>()(
 
       // Auth actions
       login: async (email, password) => {
-        const { error } = await auth.signIn(email, password);
-        if (!error) {
-          const { session } = await auth.getSession();
-          if (session?.user) {
-            const user: User = {
-              id: session.user.id,
-              email: session.user.email!,
-              created_at: session.user.created_at,
-              updated_at: session.user.updated_at,
-            };
-            set({ user, isAuthenticated: true });
-          }
+        try {
+          const { user, token, refreshToken } = await api.auth.login(email, password);
+          api.setTokens(token, refreshToken);
+          set({ user, isAuthenticated: true });
+          return { error: null };
+        } catch (error: any) {
+          return { error: error.message || '登录失败' };
         }
-        return { error };
       },
 
       register: async (email, password, nickname) => {
-        const { error } = await auth.signUp(email, password, nickname);
-        return { error };
+        try {
+          const { user, token, refreshToken } = await api.auth.register(email, password, nickname);
+          api.setTokens(token, refreshToken);
+          set({ user, isAuthenticated: true });
+          return { error: null };
+        } catch (error: any) {
+          return { error: error.message || '注册失败' };
+        }
       },
 
       logout: async () => {
-        await auth.signOut();
+        try {
+          await api.auth.logout();
+        } catch {
+          // Ignore logout error
+        }
+        api.clearTokens();
         set({ user: null, isAuthenticated: false, events: [], notes: null });
       },
 
       checkAuth: async () => {
         set({ isLoading: true });
-        const { session } = await auth.getSession();
-        if (session?.user) {
-          const user: User = {
-            id: session.user.id,
-            email: session.user.email!,
-            created_at: session.user.created_at,
-            updated_at: session.user.updated_at,
-          };
-          set({ user, isAuthenticated: true, isLoading: false });
-        } else {
+        const token = api.getToken();
+
+        if (!token) {
           set({ isAuthenticated: false, isLoading: false });
+          return;
+        }
+
+        try {
+          const { user } = await api.auth.getCurrentUser();
+          set({ user, isAuthenticated: true, isLoading: false });
+        } catch {
+          // Token invalid, try refresh
+          try {
+            const { token: newToken } = await api.auth.refreshToken();
+            const { user } = await api.auth.getCurrentUser();
+            const refreshToken = api.getRefreshToken()!;
+            api.setTokens(newToken, refreshToken);
+            set({ user, isAuthenticated: true, isLoading: false });
+          } catch {
+            api.clearTokens();
+            set({ isAuthenticated: false, isLoading: false });
+          }
         }
       },
     }),