servertest.py

from flask import Flask, render_template , jsonify, request, abort
from flask_socketio import SocketIO, emit
import json
import os
import re

BASE_DIR = os.path.abspath(os.path.dirname(__file__))
PROJECT_DIR = os.path.join(BASE_DIR, 'saved_projects')
os.makedirs(PROJECT_DIR, exist_ok=True)

app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
socketio = SocketIO(app)



@app.route('/insert')
def insert_page():
    return render_template('test_insert.html')
@app.route('/')
def index():
    return render_template('workspace.html')

# ---------- Save / Load Project API ----------
SAFE_NAME_PATTERN = re.compile(r'^[A-Za-z0-9_-]{1,64}$')

def safe_project_filename(name: str) -> str:
    if not SAFE_NAME_PATTERN.match(name):
        abort(400, description='Invalid project name')
    return os.path.join(PROJECT_DIR, name + '.json')

@app.route('/api/save', methods=['POST'])
def api_save():
    data = request.get_json(silent=True) or {}
    name = data.get('name')
    html = data.get('html')
    if not name or html is None:
        return jsonify({'error': 'name and html required'}), 400
    path = safe_project_filename(name)
    payload = {
        'name': name,
        'html': html
    }
    with open(path, 'w', encoding='utf-8') as f:
        json.dump(payload, f, ensure_ascii=False, indent=2)
    return jsonify({'status': 'ok', 'name': name})

@app.route('/api/list', methods=['GET'])
def api_list():
    files = []
    for fname in os.listdir(PROJECT_DIR):
        if fname.endswith('.json'):
            files.append(fname[:-5])
    return jsonify({'projects': sorted(files)})

@app.route('/api/load', methods=['GET'])
def api_load():
    name = request.args.get('name')
    if not name:
        return jsonify({'error': 'name required'}), 400
    path = safe_project_filename(name)
    if not os.path.isfile(path):
        return jsonify({'error': 'not found'}), 404
    with open(path, 'r', encoding='utf-8') as f:
        data = json.load(f)
    return jsonify({'name': data.get('name'), 'html': data.get('html')})

@socketio.on('update content')
def handle_content(data):
    global html_content
    html_content = data
    emit('update content', data, broadcast=True)

@socketio.on('update position')
def handle_position(data):
    global div_position
    div_position = data
    emit('update position', data, broadcast=True)


def read_counters():
    with open('data.json', 'r') as file:
        data = json.load(file)
    return data.get('counters', {})

def update_counters(counters):
    with open('data.json', 'w') as file:
        json.dump({'counters': counters}, file)

@app.route('/get-id', methods=['GET'])
def get_id():
    value = request.args.get('value')
    counters = read_counters()
    counter = counters.get(value, 0) + 1
    counters[value] = counter
    update_counters(counters)
    return jsonify({'id': f'{counter}'})
if __name__ == '__main__':
    socketio.run(app, host="127.0.0.1", debug=True)