上傳檔案到「/」
-- 指定專案資料夾 cd /employee_votes -- gitea 初始化 git init -- 建立註解 git add . git commit -m "Initial commit" -- 切換到 main 分支 git branch -M main -- 上傳檔案到 gitea git remote add origin https://github.com/91771/<REPO>.git git push -u origin main
This commit is contained in:
391
api_server.py
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391
api_server.py
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from flask import Flask, request, jsonify, render_template
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from flask_cors import CORS
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import mysql.connector
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from mysql.connector import Error
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from datetime import datetime
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import re
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app = Flask(__name__)
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CORS(app) # 啟用CORS，允許本機前端訪問
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# 資料庫連接設定 - 從DB_connection.txt獲取
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DB_CONFIG = {
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'host': 'mysql.theaken.com',
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'database': 'db_A019',
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'user': 'A019',
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'password': '9wvKEkxBzVca',
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'port': 33306
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}
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def get_db_connection():
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"""建立資料庫連接"""
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try:
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connection = mysql.connector.connect(**DB_CONFIG)
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return connection
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except Error as e:
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print(f"資料庫連接錯誤: {e}")
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return None
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def validate_email(email):
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"""驗證email格式"""
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pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
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return re.match(pattern, email) is not None
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def validate_age(age):
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"""驗證年齡範圍"""
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try:
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age_int = int(age)
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return 1 <= age_int <= 120
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except ValueError:
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return False
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@app.route('/v1/menu_items', methods=['GET'])
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def get_menu_items():
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"""
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GET /v1/menu_items - 查詢menu_items資料表
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支援查詢參數: ?main_course, ?side_dish, ?addon, ?Order_Date, ?is_active
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"""
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try:
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# 獲取查詢參數
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main_course = request.args.get('main_course')
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side_dish = request.args.get('side_dish')
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addon = request.args.get('addon')
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order_date = request.args.get('Order_Date')
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is_active = request.args.get('is_active')
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connection = get_db_connection()
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if connection is None:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': '無法連接資料庫'
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}), 500
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cursor = connection.cursor(dictionary=True)
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# 建立查詢條件
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query = "SELECT * FROM menu_items WHERE 1=1"
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params = []
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if main_course:
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query += " AND main_course LIKE %s"
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params.append(f"%{main_course}%")
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if side_dish:
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query += " AND side_dish LIKE %s"
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params.append(f"%{side_dish}%")
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if addon:
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query += " AND addon LIKE %s"
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params.append(f"%{addon}%")
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if order_date:
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query += " AND Order_Date = %s"
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params.append(order_date)
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if is_active is not None:
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query += " AND is_active = %s"
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params.append(is_active.lower() in ['true', '1', 'yes'])
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# 執行查詢
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cursor.execute(query, params)
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results = cursor.fetchall()
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# 獲取總數用於meta資訊
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count_query = "SELECT COUNT(*) as total FROM menu_items WHERE 1=1" + query.split('WHERE 1=1')[1]
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cursor.execute(count_query, params)
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total_count = cursor.fetchone()['total']
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cursor.close()
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connection.close()
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return jsonify({
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'status': 'success',
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'code': 200,
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'message': '查詢成功',
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'data': results,
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'meta': {
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'total': total_count,
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'page': 1,
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'per_page': len(results),
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'has_more': False
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}
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})
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except Error as e:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': f'資料庫查詢錯誤: {str(e)}'
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}), 500
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@app.route('/v1/menu_items/<int:item_id>', methods=['GET'])
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def get_menu_item(item_id):
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"""GET /v1/menu_items/<id> - 根據ID獲取單個menu_item"""
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try:
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connection = get_db_connection()
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if connection is None:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': '無法連接資料庫'
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}), 500
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cursor = connection.cursor(dictionary=True)
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cursor.execute("SELECT * FROM menu_items WHERE Id = %s", (item_id,))
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result = cursor.fetchone()
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cursor.close()
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connection.close()
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if result is None:
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return jsonify({
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'status': 'error',
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'code': 404,
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'message': '找不到指定的menu_item'
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}), 404
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return jsonify({
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'status': 'success',
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'code': 200,
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'message': '查詢成功',
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'data': result
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})
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except Error as e:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': f'資料庫查詢錯誤: {str(e)}'
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}), 500
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@app.route('/v1/menu_items', methods=['POST'])
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def create_menu_item():
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"""POST /v1/menu_items - 創建新的menu_item"""
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try:
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data = request.get_json()
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# 驗證必要欄位
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required_fields = ['name', 'email', 'age']
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for field in required_fields:
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if field not in data or not data[field]:
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return jsonify({
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'status': 'error',
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'code': 400,
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'message': f'缺少必要欄位: {field}'
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}), 400
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# 驗證email格式
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if not validate_email(data['email']):
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return jsonify({
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'status': 'error',
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'code': 400,
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'message': 'email格式不正確'
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}), 400
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# 驗證年齡範圍
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if not validate_age(data['age']):
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return jsonify({
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'status': 'error',
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'code': 400,
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'message': '年齡必須是1-120之間的數字'
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}), 400
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connection = get_db_connection()
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if connection is None:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': '無法連接資料庫'
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}), 500
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cursor = connection.cursor()
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# 使用參數化查詢避免SQL注入
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query = """
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INSERT INTO menu_items (main_course, side_dish, addon, Order_Date, is_active)
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VALUES (%s, %s, %s, %s, %s)
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"""
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# 這裡使用範例資料，您可以根據實際需求調整
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params = (
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data.get('main_course', '預設主餐'),
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data.get('side_dish', '預設副餐'),
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data.get('addon', '預設湯品'),
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datetime.now().strftime('%Y-%m-%d'),
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True
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)
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cursor.execute(query, params)
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connection.commit()
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# 獲取新創建的資料ID
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new_id = cursor.lastrowid
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cursor.close()
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connection.close()
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return jsonify({
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'status': 'success',
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'code': 201,
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'message': '創建成功',
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'data': {
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'id': new_id,
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'main_course': params[0],
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'side_dish': params[1],
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'addon': params[2],
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'Order_Date': params[3],
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'is_active': params[4]
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}
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}), 201
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except Error as e:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': f'資料庫操作錯誤: {str(e)}'
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}), 500
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@app.route('/v1/menu_items/<int:item_id>', methods=['PATCH'])
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def update_menu_item(item_id):
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"""PATCH /v1/menu_items/<id> - 更新menu_item的任一欄位"""
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try:
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data = request.get_json()
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# 檢查是否有可更新的欄位
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allowed_fields = ['main_course', 'side_dish', 'addon', 'Order_Date', 'is_active']
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update_fields = {}
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for field in allowed_fields:
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if field in data:
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update_fields[field] = data[field]
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if not update_fields:
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return jsonify({
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'status': 'error',
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'code': 400,
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'message': '沒有提供可更新的欄位'
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}), 400
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connection = get_db_connection()
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if connection is None:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': '無法連接資料庫'
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}), 500
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cursor = connection.cursor(dictionary=True)
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# 檢查資料是否存在
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cursor.execute("SELECT * FROM menu_items WHERE Id = %s", (item_id,))
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if cursor.fetchone() is None:
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cursor.close()
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connection.close()
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return jsonify({
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'status': 'error',
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'code': 404,
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'message': '找不到指定的menu_item'
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}), 404
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# 建立更新查詢
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set_clause = ", ".join([f"{field} = %s" for field in update_fields.keys()])
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query = f"UPDATE menu_items SET {set_clause} WHERE Id = %s"
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params = list(update_fields.values())
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params.append(item_id)
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cursor.execute(query, params)
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connection.commit()
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# 獲取更新後的資料
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cursor.execute("SELECT * FROM menu_items WHERE Id = %s", (item_id,))
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updated_data = cursor.fetchone()
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cursor.close()
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connection.close()
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return jsonify({
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'status': 'success',
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'code': 200,
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'message': '更新成功',
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'data': updated_data
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})
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except Error as e:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': f'資料庫操作錯誤: {str(e)}'
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}), 500
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@app.route('/v1/menu_items/<int:item_id>', methods=['DELETE'])
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def delete_menu_item(item_id):
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"""DELETE /v1/menu_items/<id> - 刪除menu_item"""
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try:
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connection = get_db_connection()
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if connection is None:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': '無法連接資料庫'
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}), 500
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cursor = connection.cursor()
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# 檢查資料是否存在
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cursor.execute("SELECT * FROM menu_items WHERE Id = %s", (item_id,))
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if cursor.fetchone() is None:
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cursor.close()
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connection.close()
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return jsonify({
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'status': 'error',
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'code': 404,
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'message': '找不到指定的menu_item'
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}), 404
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# 執行刪除
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cursor.execute("DELETE FROM menu_items WHERE Id = %s", (item_id,))
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connection.commit()
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cursor.close()
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connection.close()
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return '', 204
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except Error as e:
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': f'資料庫操作錯誤: {str(e)}'
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}), 500
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@app.errorhandler(404)
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def not_found(error):
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return jsonify({
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'status': 'error',
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'code': 404,
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'message': 'API端點不存在'
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}), 404
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@app.errorhandler(500)
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def internal_error(error):
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return jsonify({
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'status': 'error',
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'code': 500,
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'message': '伺服器內部錯誤'
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}), 500
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@app.route('/menu-form')
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def menu_form():
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return render_template('menu_form.html')
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if __name__ == '__main__':
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print("啟動Flask API伺服器...")
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print("可用端點:")
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print(" GET /v1/menu_items")
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print(" GET /v1/menu_items/<id>")
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print(" POST /v1/menu_items")
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print(" PATCH /v1/menu_items/<id>")
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print(" DELETE /v1/menu_items/<id>")
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app.run(debug=True, host='0.0.0.0', port=5000)
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Reference in New Issue
Block a user