feat: initial LMS frontend with adaptive navigation and routing
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.venv/
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__pycache__/
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*.pyc
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.env
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.flet/
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.idea/
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# LMS Frontend
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โปรเจกต์ **lms-frontend** เป็นระบบ Frontend
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สำหรับระบบ **Learning Management System (LMS)**
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ระบบนี้ถูกออกแบบเพื่อ:
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- รองรับการเรียนรู้ผ่าน Web / Mobile / Desktop
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- ใช้โค้ดชุดเดียว (Single Codebase) แต่รองรับหลายแพลตฟอร์ม
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- เชื่อมต่อกับ Backend LMS ผ่าน API
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- รองรับการพัฒนา UI แบบ Modular และขยายในอนาคต
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---
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## Purpose
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- เป็น Frontend หลักของระบบ LMS
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- แสดงผลข้อมูลการเรียนรู้จาก Backend API
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- รองรับผู้ใช้งานบนหลายอุปกรณ์ (Responsive + Adaptive UI)
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- ออกแบบให้รองรับการ scale ในระดับ production
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---
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## Features
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- Login / Logout (JWT Authentication)
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- Adaptive Navigation
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- Desktop / Web → Sidebar (NavigationRail)
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- Mobile → Bottom Navigation (NavigationBar)
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- Client-side Routing (ไม่ reload แอป)
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- Modular Page Architecture
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- Cross-platform UI (Web / Mobile / Desktop)
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- รองรับฟอนต์ไทย (Noto Sans Thai)
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---
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## Technical Overview
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- Frontend Framework: **Flet (Python)**
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- Language: **Python 3.11+**
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- Backend API: **Django REST API (lms-backend)**
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- Authentication: **JWT**
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- UI Pattern: **Adaptive Layout + Client-side Routing**
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- Font: **Noto Sans Thai**
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---
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## Project Structure
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```bash
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lms-frontend/
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├── main.py # Entry point (routing & app flow)
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├── app/
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│ ├── state.py # Global state (auth/session)
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│ ├── layout.py # Main layout (menu + content)
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│ ├── pages/ # Application pages
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│ │ ├── articles.py
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│ │ ├── courses.py
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│ │ ├── my_courses.py
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│ │ ├── progress.py
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│ │ └── profile.py
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│ └── widgets/
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│ └── adaptive_menu.py # Responsive navigation component
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├── assets/
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│ └── fonts/
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│ └── NotoSansThai-Regular.ttf
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├── requirements.txt
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└── README.md
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```
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## License
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- สงวนลิขสิทธิ์สำหรับการใช้งานเพื่อการศึกษาและพัฒนาภายในองค์กรเท่านั้น
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- Developed with ❤️ using Flet & Python
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import requests
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API_BASE_URL = "http://127.0.0.1:8000"
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def login(username: str, password: str):
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url = f"{API_BASE_URL}/api/auth/login/"
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response = requests.post(url, json={
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"email": username,
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"password": password
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})
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response.raise_for_status()
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return response.json()
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def get_me(token: str):
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url = f"{API_BASE_URL}/api/auth/me/"
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response = requests.get(
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url,
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headers={"Authorization": f"Bearer {token}"}
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)
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response.raise_for_status()
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return response.json()
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import flet as ft
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from app.widgets.adaptive_menu import adaptive_menu
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def main_layout(page: ft.Page, content_container: ft.Container):
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print(">>> ENTER main_layout")
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menu = adaptive_menu(page)
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# ตรวจสอบโหมด (ป้องกันหน้าจอขาวจาก width=0)
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width = page.width if page.width > 0 else 1024 # default ไว้ที่ desktop ก่อนถ้ายังไม่รู้ width
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is_mobile = width < 600
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print(f">>> Device mode: {'MOBILE' if is_mobile else 'DESKTOP'} (Width: {page.width})")
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if is_mobile:
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return ft.Column(
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controls=[
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content_container,
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menu
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],
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expand=True
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)
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else:
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return ft.Row(
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controls=[
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menu,
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ft.VerticalDivider(width=1),
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content_container
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],
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expand=True
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)
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import flet as ft
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def articles_page():
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return ft.Column([
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ft.Text("บทความ", size=22),
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ft.Text("รายการบทความจะมาอยู่ตรงนี้"),
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])
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import flet as ft
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def courses_page():
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return ft.Column([
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ft.Text("หลักสูตร", size=22),
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ft.Text("รายการหลักสูตร")
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])
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import flet as ft
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import asyncio
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from app.api import login, get_me
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from app.state import state
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def login_page(page: ft.Page, on_login_success):
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username = ft.TextField(
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label="Email",
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on_submit=lambda _: handle_login(), # เรียก wrapper
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autofocus=True
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)
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password = ft.TextField(
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label="Password",
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password=True,
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can_reveal_password=True,
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on_submit=lambda _: handle_login(), # เรียก wrapper
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)
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message = ft.Text()
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# WRAPPER (sync)
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def handle_login(e=None):
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asyncio.create_task(do_login()) # ยิง async
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# ASYNC ตัวจริง
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async def do_login():
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if not username.value or not password.value:
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message.value = "กรุณากรอกข้อมูลให้ครบถ้วน"
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message.color = ft.Colors.RED_400
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page.update()
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return
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try:
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message.value = "กำลังตรวจสอบข้อมูล..."
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message.color = ft.Colors.BLUE_400
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page.update()
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result = await asyncio.to_thread(login, username.value, password.value)
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state.access_token = result["access"]
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state.user = await asyncio.to_thread(get_me, state.access_token)
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await on_login_success() # ไป route
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except Exception as e:
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message.value = "เข้าสู่ระบบไม่สำเร็จ"
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message.color = ft.Colors.RED_400
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print("LOGIN ERROR:", e)
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page.update()
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login_button = ft.FilledButton(
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"ล็อกอิน",
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on_click=handle_login, # ใช้ wrapper
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width=200,
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)
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return ft.Column(
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controls=[
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ft.Text("เข้าสู่ระบบ", size=24),
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username,
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password,
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login_button,
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message,
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],
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horizontal_alignment=ft.CrossAxisAlignment.CENTER,
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spacing=20,
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)
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import flet as ft
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def my_courses_page():
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return ft.Column([
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ft.Text('หลักสูตรของฉัน', size=22),
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ft.Text('ข้อมูลหลักสูตรที่ลงทะเบียน')
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])
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import flet as ft
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def profile_page():
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return ft.Column([
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ft.Text("ข้อมูลผู้ใช้งาน", size=22),
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ft.Text("รายละเอียดข้อมูลผู้ใช้งานจะมาอยู่ตรงนี้"),
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])
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import flet as ft
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def progress_page():
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return ft.Column([
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ft.Text('ความก้าวหน้าของฉัน', size=22),
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ft.Text('รายละเอียดความก้าวหน้าของฉัน')
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])
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class AppState:
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def __init__(self):
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self.access_token = None
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self.user = None
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state = AppState()
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import flet as ft
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def adaptive_menu(page: ft.Page):
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is_mobile = page.width < 600
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menu_keys = ['articles', 'courses', 'my_courses', 'progress', 'profile', 'logout']
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async def handle_change(e):
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index = int(e.control.selected_index)
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key = menu_keys[index]
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if key == "logout":
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from app.state import state
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state.access_token = None
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await page.push_route("/login") # หรือ page.go
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return
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route = f"/{menu_keys[index]}"
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print(f">>> Navigating to: {route}")
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await page.push_route(route)
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# sync selected index กับ route
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current_route = page.route.replace("/", "") or "articles"
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if current_route not in menu_keys:
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current_route = "articles"
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current_selected_index = menu_keys.index(current_route)
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if is_mobile:
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return ft.NavigationBar(
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destinations=[
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ft.NavigationBarDestination(icon=ft.Icons.ARTICLE, label='บทความ'),
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ft.NavigationBarDestination(icon=ft.Icons.SCHOOL, label='หลักสูตร'),
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ft.NavigationBarDestination(icon=ft.Icons.BOOK, label='คอร์สของฉัน'),
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ft.NavigationBarDestination(icon=ft.Icons.TRENDING_UP, label='ความคืบหน้า'),
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ft.NavigationBarDestination(icon=ft.Icons.PERSON, label='โปรไฟล์'),
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ft.NavigationBarDestination(icon=ft.Icons.LOGOUT, label="ออกจากระบบ"
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),
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],
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selected_index=current_selected_index,
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on_change=handle_change,
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)
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else:
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return ft.NavigationRail(
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destinations=[
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ft.NavigationRailDestination(icon=ft.Icons.ARTICLE, label='บทความ'),
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ft.NavigationRailDestination(icon=ft.Icons.SCHOOL, label='หลักสูตร'),
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ft.NavigationRailDestination(icon=ft.Icons.BOOK, label='คอร์สของฉัน'),
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ft.NavigationRailDestination(icon=ft.Icons.TRENDING_UP, label='ความคืบหน้า'),
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ft.NavigationRailDestination(icon=ft.Icons.PERSON, label='โปรไฟล์'),
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ft.NavigationRailDestination(icon=ft.Icons.LOGOUT, label="Logout"
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),
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],
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selected_index=current_selected_index,
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on_change=handle_change,
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extended=True,
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)
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import flet as ft
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from app.layout import main_layout
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from app.pages.login import login_page
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from app.pages.articles import articles_page
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from app.pages.courses import courses_page
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from app.pages.my_courses import my_courses_page
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from app.pages.progress import progress_page
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from app.pages.profile import profile_page
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from app.state import state
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async def main(page: ft.Page):
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page.title = "LMS Frontend"
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# register font
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page.fonts = {
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"NotoSansThai": "assets/fonts/NotoSansThai-Regular.ttf",
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"NotoSansThaiMedium": "assets/fonts/NotoSansThai-Medium.ttf",
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"NotoSansThaiBold": "assets/fonts/NotoSansThai-Bold.ttf",
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}
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page.theme = ft.Theme(font_family="NotoSansThai")
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# GLOBAL CONTAINER (รองรับ Persistent Layout + Dynamic Content)
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main_container = ft.Container(expand=True)
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# ROUTES MAP
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routes = {
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"/articles": articles_page,
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"/courses": courses_page,
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"/my_courses": my_courses_page,
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"/progress": progress_page,
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"/profile": profile_page,
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}
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# ROUTING
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async def route_change(e):
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print(">>> route_change:", page.route)
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# กัน user แอบเข้า /main โดยไม่ login
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if page.route != "/login" and not state.access_token:
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await page.push_route("/login")
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return
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# LOGIN
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if page.route == "/login":
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page.views.clear()
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page.views.append(
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ft.View(
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route="/login",
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controls=[
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login_page(page, on_login_success=go_articles)
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],
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horizontal_alignment=ft.CrossAxisAlignment.CENTER,
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vertical_alignment=ft.MainAxisAlignment.CENTER,
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)
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)
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# MAIN
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else:
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# สร้าง view ครั้งเดียว
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if not page.views or page.views[-1].route != "/main":
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page.views.clear()
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page.views.append(
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ft.View(
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route="/main",
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controls=[
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main_layout(page, main_container)
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],
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)
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)
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# เปลี่ยน content อย่างเดียว
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if page.route in routes:
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main_container.content = routes[page.route]()
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else:
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main_container.content = ft.Text("404 NOT FOUND")
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page.update()
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# LOGIN SUCCESS
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async def go_articles():
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print(">>> GO ARTICLES")
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await page.push_route("/articles")
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page.on_route_change = route_change
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# start app
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await page.push_route("/login")
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ft.run(main)
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@@ -0,0 +1,3 @@
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flet==0.84.0
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requests==2.33.1
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python-dotenv==1.2.2
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