Added auth functionality, initial work with views and field types

frontend/composables/useAuth.ts

@@ -0,0 +1,61 @@
+export const useAuth = () => {
+  const tokenCookie = useCookie('token')
+  const authMessageCookie = useCookie('authMessage')
+  const router = useRouter()
+  const config = useRuntimeConfig()
+  
+  const isLoggedIn = () => {
+    if (!import.meta.client) return false
+    const token = localStorage.getItem('token')
+    const tenantId = localStorage.getItem('tenantId')
+    return !!(token && tenantId)
+  }
+
+  const logout = async () => {
+    if (import.meta.client) {
+      // Call backend logout endpoint
+      try {
+        const token = localStorage.getItem('token')
+        const tenantId = localStorage.getItem('tenantId')
+        
+        if (token) {
+          await fetch(`${config.public.apiBaseUrl}/api/auth/logout`, {
+            method: 'POST',
+            headers: {
+              'Authorization': `Bearer ${token}`,
+              ...(tenantId && { 'x-tenant-id': tenantId }),
+            },
+          })
+        }
+      } catch (error) {
+        console.error('Logout error:', error)
+      }
+      
+      // Clear local storage
+      localStorage.removeItem('token')
+      localStorage.removeItem('tenantId')
+      localStorage.removeItem('user')
+      
+      // Clear cookie for server-side check
+      tokenCookie.value = null
+      
+      // Set flash message for login page
+      authMessageCookie.value = 'Logged out successfully'
+      
+      // Redirect to login page
+      router.push('/login')
+    }
+  }
+
+  const getUser = () => {
+    if (!import.meta.client) return null
+    const userStr = localStorage.getItem('user')
+    return userStr ? JSON.parse(userStr) : null
+  }
+
+  return {
+    isLoggedIn,
+    logout,
+    getUser,
+  }
+}