qr-code-logger/app.py at master · hack-duke/qr-code-logger · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
import os
import json
from flask import Flask, request, jsonify, render_template_string
from flask_socketio import SocketIO, emit
from dotenv import load_dotenv
from pymongo import MongoClient
from datetime import datetime

app = Flask(__name__)
socketio = SocketIO(app)

DATA_FILE = 'user_log.json'

load_dotenv()
MONGO = os.getenv('MONGODB_URI')
client = MongoClient(MONGO)
db = client.get_database('test')
collection = db['cfg2025']

def load_user_log():
    if os.path.exists(DATA_FILE):
        with open(DATA_FILE, 'r') as file:
            return json.load(file)
    return []

def save_user_log(log):
    with open(DATA_FILE, 'w') as file:
        json.dump(log, file)

user_log = load_user_log()

@app.route('/')
def index():
    return app.send_static_file('index.html')

def resolve_name(user_id):
    try:
        user = collection.find_one({'userId': user_id})
        firstName = user['prefName'] or user['firstName']
        fullName = firstName + " " + user['lastName']
        return fullName if user else None
    except Exception as e:
        print(f"Error resolving name: {e}")
        return None

@app.route('/log_user', methods=['POST'])
def log_user():
    try:
        data = request.json
        if not data or 'qrCode' not in data or 'eventType' not in data:
            socketio.emit('notification', {
                'success': False,
                'message': 'Invalid request'
            })
            return jsonify({'error': 'Invalid request'}), 400

        user_id = data['qrCode']
        event_type = data['eventType']
        name = resolve_name(user_id)
        if not name:
            socketio.emit('notification', {
                'success': False,
                'message': 'User not found in DB'
            })
            return jsonify({'error': 'User not found in DB'}), 400

        # Check if user has already checked in for this event type
        for entry in user_log:
            if entry['user_id'] == user_id and entry['event_type'] == event_type:
                check_in_time = entry['time']
                socketio.emit('notification', {
                    'success': False,
                    'message': f'{name} already checked in at {check_in_time}'
                })
                return jsonify({'error': f'{name} already checked in: {event_type} '}), 400

        # Log the new check-in
        check_in_time = str(datetime.now().strftime('%H:%M'))
        user_log.insert(0, {'user_id': user_id, 'name': name, 'event_type': event_type, 'time': check_in_time})
        save_user_log(user_log)
        socketio.emit('update_log', {
            'log': user_log,
            'total_users': len(user_log)
        })
        socketio.emit('notification', {
            'success': True,
            'message': 'Check-in successful'
        })
        return jsonify({'message': 'User logged successfully'}), 200

    except Exception as e:
        socketio.emit('notification', {
            'success': False,
            'message': f'Error: {str(e)}'
        })
        return jsonify({'error': str(e)}), 500

@app.route('/log', methods=['GET'])
def display_log():
    html = """
    <!DOCTYPE html>
    <html>
    <head>
        <title>User Log</title>
        <link href="https://fonts.googleapis.com/css2?family=Oxygen:wght@400;700&display=swap" rel="stylesheet">
        <style>
            body {
                font-family: 'Oxygen', sans-serif;
                background-color: #1d42c6;
                color: white;
                margin: 0;
                padding: 0;
                display: flex;
                flex-direction: column;
                align-items: center;
                min-height: 100vh;
                text-align: center;
            }

            h1 {
                font-size: 2.5rem;
                margin-bottom: 1rem;
            }

            p {
                font-size: 1.2rem;
            }

            #log {
                margin-top: 1rem;
            }

            #search-bar {
                padding: 0.5rem;
                width: 50%;
                border: none;
                border-radius: 5px;
                font-size: 1rem;
                margin-bottom: 1rem;
            }

            #notification-container {
                position: fixed;
                top: 20px;
                right: 20px;
                z-index: 9999;
                display: flex;
                flex-direction: column;
                align-items: flex-end;
            }

            .notification {
                padding: 10px 15px;
                margin-bottom: 10px;
                border-radius: 4px;
                color: #fff;
                transition: opacity 1s;
                opacity: 1;
            }

            .success {
                background-color: #4CAF50;
            }

            .error {
                background-color: #f44336;
            }

            .fade-out {
                opacity: 0;
            }
        </style>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.6.1/socket.io.min.js"></script>
        <script>
            document.addEventListener('DOMContentLoaded', () => {
                const socket = io();
                const notificationContainer = document.createElement('div');
                notificationContainer.id = 'notification-container';
                document.body.appendChild(notificationContainer);

                socket.on('connect', () => {
                    socket.emit('request_initial_log');
                });

                socket.on('update_log', (data) => {
                    document.getElementById('total-users').textContent = data.total_users;
                    const logDiv = document.getElementById('log');
                    logDiv.innerHTML = '';
                    data.log.forEach(entry => {
                        const p = document.createElement('p');
                        p.textContent = `${entry.name} - ${entry.event_type} at ${entry.time}`;
                        const deleteButton = document.createElement('button');
                        deleteButton.textContent = 'X';
                        deleteButton.style.background = 'none';
                        deleteButton.style.color = 'red';
                        deleteButton.style.border = 'none';
                        deleteButton.style.cursor = 'pointer';
                        deleteButton.style.marginLeft = '10px';
                        deleteButton.onclick = () => {
                            fetch('/delete_log_entry', {
                                method: 'POST',
                                headers: {
                                    'Content-Type': 'application/json'
                                },
                                body: JSON.stringify({ user_id: entry.user_id, event_type: entry.event_type })
                            })
                            .then(response => response.json())
                            .then(data => {
                                if (data.message) {
                                    socket.emit('request_initial_log');
                                } else {
                                    console.error('Error deleting log entry:', data.error);
                                }
                            })
                            .catch(error => console.error('Fetch error:', error));
                        };
                        p.appendChild(deleteButton);
                        logDiv.appendChild(p);
                    });
                });

                socket.on('notification', (data) => {
                    const div = document.createElement('div');
                    div.classList.add('notification');
                    div.classList.add(data.success ? 'success' : 'error');
                    div.textContent = data.message;
                    notificationContainer.appendChild(div);

                    setTimeout(() => {
                        div.classList.add('fade-out');
                    }, 3000);
                    setTimeout(() => {
                        notificationContainer.removeChild(div);
                    }, 4000);
                });

                const searchInput = document.getElementById('search-bar');
                searchInput.addEventListener('input', () => {
                    const query = searchInput.value.trim();
                    if (query === '') {
                        socket.emit('request_initial_log');
                    } else {
                        socket.emit('search_log', { query });
                    }
                });

                socket.on('search_results', (data) => {
                    document.getElementById('total-users').textContent = data.total_users;
                    const logDiv = document.getElementById('log');
                    logDiv.innerHTML = '';
                    data.log.forEach(entry => {
                        const p = document.createElement('p');
                        p.textContent = `${entry.name} - ${entry.event_type} at ${entry.time}`;
                        logDiv.appendChild(p);
                    });
                });
            });
        </script>
    </head>
    <body>
        <div>
            <h1>Checked-In Users</h1>
            <input id="search-bar" type="text" placeholder="Search for a user...">
            <p><strong>Total Users:</strong> <span id="total-users">0</span></p>
            <p><strong>Log (Most Recent to Oldest):</strong></p>
            <div id="log">No users checked in yet.</div>
        </div>
    </body>
    </html>
    """
    return render_template_string(html)

@socketio.on('request_initial_log')
def handle_initial_log_request():
    emit('update_log', {'log': user_log, 'total_users': len(user_log)})

@socketio.on('search_log')
def handle_search_log(data):
    try:
        query = data.get('query', '').lower().strip()
        if not query:
            emit('search_results', {'log': user_log, 'total_users': len(user_log)})
            return

        # Search local log only
        filtered_log = [
            entry for entry in user_log
            if query in entry['name'].lower() or query in entry['user_id'].lower()
        ]

        emit('search_results', {
            'log': filtered_log,
            'total_users': len(filtered_log)
        })

    except Exception as e:
        emit('notification', {
            'success': False,
            'message': f'Search error: {str(e)}'
        })

@app.route('/delete_log_entry', methods=['POST'])
def delete_log_entry():
    try:
        data = request.json
        user_id = data['user_id']
        event_type = data['event_type']

        # Find and remove the entry from user_log
        global user_log
        user_log = [entry for entry in user_log if not (entry['user_id'] == user_id and entry['event_type'] == event_type)]
        save_user_log(user_log)

        socketio.emit('update_log', {
            'log': user_log,
            'total_users': len(user_log)
        })
        return jsonify({'message': 'Log entry deleted successfully'}), 200

    except Exception as e:
        return jsonify({'error': str(e)}), 500

if __name__ == '__main__':
    socketio.run(app, host='0.0.0.0', port=8000, allow_unsafe_werkzeug=True)