{{ message }}
Repository navigation
Expand file tree
/
Copy pathapp.py
More file actions
421 lines (365 loc) · 13.7 KB
/
Copy pathapp.py
File metadata and controls
421 lines (365 loc) · 13.7 KB
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
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
import os, csv, time, base64, io, zipfile
from datetime import datetime, timedelta
from collections import defaultdict
from flask import Flask, request, jsonify, send_from_directory, send_file, Response
from flask_socketio import SocketIO, emit
from smartcard.System import readers
import smartcard
# ================== Path & App Config ==================
APP_DIR = os.path.dirname(os.path.abspath(__file__))
DB_FILE = os.path.join(APP_DIR, "db_peserta.csv")
PHOTO_DIR = os.path.join(APP_DIR, "foto_peserta")
os.makedirs(PHOTO_DIR, exist_ok=True)
app = Flask(__name__)
app.config['SECRET_KEY'] = 'dev'
socketio = SocketIO(app, cors_allowed_origins="*", async_mode='eventlet')
# ================== CSV Utils ==================
def save_or_update(uid, nama, foto_relpath):
rows = []
if os.path.exists(DB_FILE):
with open(DB_FILE, "r", encoding="utf-8") as f:
r = csv.reader(f)
headers = next(r, None)
if headers:
rows.append(headers)
for row in r:
if row and row[0] != uid:
rows.append(row)
else:
rows.append(["UID", "Nama", "Foto"])
rows.append([uid, nama, foto_relpath])
with open(DB_FILE, "w", newline="", encoding="utf-8") as f:
w = csv.writer(f)
w.writerows(rows)
def find_by_uid(uid):
if not os.path.exists(DB_FILE):
return None
with open(DB_FILE, "r", encoding="utf-8") as f:
r = csv.DictReader(f)
for row in r:
if row["UID"] == uid:
return row
return None
def _read_all_participants():
if not os.path.exists(DB_FILE):
return []
with open(DB_FILE, "r", encoding="utf-8") as f:
r = csv.DictReader(f)
return list(r)
def _write_all_participants(rows):
with open(DB_FILE, "w", newline="", encoding="utf-8") as f:
w = csv.DictWriter(f, fieldnames=["UID", "Nama", "Foto"])
w.writeheader()
for row in rows:
w.writerow({
"UID": row.get("UID",""),
"Nama": row.get("Nama",""),
"Foto": row.get("Foto","")
})
# ================== NFC Poll Thread ==================
def poll_nfc():
try:
rlist = readers()
if not rlist:
print("No NFC reader found. Server tetap jalan tanpa NFC.")
return
reader = rlist[0]
conn = None
last_uid = None
print("NFC polling started.")
while True:
try:
if conn is None:
conn = reader.createConnection()
conn.connect()
data, sw1, sw2 = conn.transmit([0xFF, 0xCA, 0x00, 0x00, 0x00])
if sw1 == 0x90 and sw2 == 0x00 and data:
uid = ''.join(['%02X' % b for b in data])
if uid != last_uid:
last_uid = uid
socketio.emit("nfc_tapped", {"uid": uid})
socketio.sleep(0.2)
except smartcard.Exceptions.NoCardException:
last_uid = None
socketio.sleep(0.2)
except Exception as e:
print("NFC error:", e)
socketio.sleep(1)
except Exception as e:
print("NFC init error:", e)
@socketio.on('connect')
def on_connect():
emit('connected', {'ok': True})
# ================== Static photo route ==================
@app.route("/foto_peserta/<path:filename>")
def foto_peserta(filename):
return send_from_directory(PHOTO_DIR, filename)
# ================== Register API ==================
@app.post("/api/register")
def api_register():
data = request.get_json(force=True)
name = (data.get("name") or "").strip()
uid = (data.get("uid") or "").strip()
photo_dataurl = data.get("photo")
if not uid:
return jsonify({"ok": False, "error": "UID belum diterima dari tap."}), 400
if not name:
return jsonify({"ok": False, "error": "Nama kosong."}), 400
if not photo_dataurl or not isinstance(photo_dataurl, str) or not photo_dataurl.startswith("data:image"):
return jsonify({"ok": False, "error": "Foto tidak valid."}), 400
try:
head, b64 = photo_dataurl.split(",", 1)
raw = base64.b64decode(b64)
except Exception:
return jsonify({"ok": False, "error": "Decode foto gagal."}), 400
safe_name = name.replace(" ", "_")
fname = f"{safe_name}_{int(time.time())}.jpg"
fpath = os.path.join(PHOTO_DIR, fname)
with open(fpath, "wb") as f:
f.write(raw)
foto_rel = f"foto_peserta/{fname}"
save_or_update(uid, name, foto_rel)
return jsonify({"ok": True, "uid": uid, "name": name, "photo": foto_rel})
@app.get("/api/participant/<uid>")
def api_participant(uid):
row = find_by_uid(uid)
if not row:
return jsonify({"ok": False}), 404
return jsonify({"ok": True, "data": row})
# ================== Analytics helpers ==================
def _parse_photo_ts(fname):
try:
base = os.path.basename(fname or "")
stem = os.path.splitext(base)[0]
ts = int(stem.split("_")[-1])
return datetime.fromtimestamp(ts)
except Exception:
return None
def _scan_photos_dir():
total_bytes = 0
sizes = []
if not os.path.isdir(PHOTO_DIR):
return 0, 0.0, sizes
for root, _, files in os.walk(PHOTO_DIR):
for f in files:
try:
fp = os.path.join(root, f)
sz = os.path.getsize(fp)
total_bytes += sz
sizes.append(sz)
except Exception:
pass
return total_bytes, round(total_bytes / (1024*1024), 2), sizes
def _read_csv_rows():
if not os.path.exists(DB_FILE):
return []
with open(DB_FILE, "r", encoding="utf-8") as f:
r = csv.DictReader(f)
return list(r)
def _build_stats():
rows = _read_csv_rows()
total = len(rows)
with_photo = 0
recent = []
per_day = defaultdict(int)
per_weekday = [0]*7 # 0=Mon .. 6=Sun
per_hour = [0]*24 # 0..23
ts_all = []
for row in rows:
foto_rel = (row.get("Foto") or "").strip()
if foto_rel:
foto_path = os.path.join(APP_DIR, foto_rel.replace("/", os.sep))
if os.path.exists(foto_path):
with_photo += 1
ts = _parse_photo_ts(foto_rel)
if ts:
ts_all.append(ts)
per_day[ts.date()] += 1
per_weekday[ts.weekday()] += 1
per_hour[ts.hour] += 1
recent.append({
"uid": row.get("UID"),
"nama": row.get("Nama"),
"foto": "/" + foto_rel if foto_rel else "",
"waktu": ts.isoformat(timespec="seconds")
})
else:
recent.append({
"uid": row.get("UID"),
"nama": row.get("Nama"),
"foto": "/" + foto_rel if foto_rel else "",
"waktu": None
})
recent.sort(key=lambda x: x["waktu"] or "", reverse=True)
recent = recent[:10]
today = datetime.now().date()
labels_14d, counts_14d = [], []
for i in range(13, -1, -1):
d = today - timedelta(days=i)
labels_14d.append(d.strftime("%d %b"))
counts_14d.append(per_day.get(d, 0))
total_bytes, total_mb, sizes = _scan_photos_dir()
avg_kb = round((sum(sizes) / len(sizes) / 1024), 2) if sizes else 0.0
max_kb = round((max(sizes) / 1024), 2) if sizes else 0.0
earliest = min(ts_all).isoformat(timespec="seconds") if ts_all else None
latest = max(ts_all).isoformat(timespec="seconds") if ts_all else None
# labels weekdays Indonesia singkat
labels_weekday = ["Sen", "Sel", "Rab", "Kam", "Jum", "Sab", "Min"]
labels_hour = [f"{h:02d}" for h in range(24)]
return {
"ok": True,
"kpi": {
"total_peserta": total,
"dengan_foto": with_photo,
"tanpa_foto": max(total - with_photo, 0),
"foto_storage_mb": total_mb,
"foto_storage_bytes": total_bytes,
"foto_avg_kb": avg_kb,
"foto_max_kb": max_kb,
"earliest_ts": earliest,
"latest_ts": latest
},
"series": {
"labels_14d": labels_14d,
"registrations_14d": counts_14d,
"labels_weekday": labels_weekday,
"registrations_weekday": per_weekday,
"labels_hour": labels_hour,
"registrations_hour": per_hour
},
"recent": recent
}
# ================== Analytics API ==================
@app.get("/api/stats")
def api_stats():
return jsonify(_build_stats())
# ================== CSV CRUD APIs ==================
@app.get("/api/participants")
def api_list_participants():
q = (request.args.get("q") or "").strip().lower()
rows = _read_all_participants()
if q:
rows = [
r for r in rows
if q in (r.get("UID","").lower() + " " + r.get("Nama","").lower())
]
def _ts(r):
ts = _parse_photo_ts(r.get("Foto",""))
return ts or datetime.fromtimestamp(0)
rows.sort(key=_ts, reverse=True)
return jsonify({"ok": True, "data": rows})
@app.put("/api/participant/<uid>")
def api_update_participant(uid):
data = request.get_json(force=True, silent=True) or {}
new_name = (data.get("name") or "").strip()
new_photo_dataurl = data.get("photoDataURL")
rows = _read_all_participants()
found = False
old_photo_rel = None
for r in rows:
if r.get("UID") == uid:
if new_name:
r["Nama"] = new_name
if new_photo_dataurl and isinstance(new_photo_dataurl, str) and new_photo_dataurl.startswith("data:image"):
try:
head, b64 = new_photo_dataurl.split(",", 1)
raw = base64.b64decode(b64)
safe_name = (r.get("Nama") or "user").replace(" ", "_")
fname = f"{safe_name}_{int(time.time())}.jpg"
fpath = os.path.join(PHOTO_DIR, fname)
with open(fpath, "wb") as f:
f.write(raw)
new_rel = f"foto_peserta/{fname}"
old_photo_rel = r.get("Foto") or None
r["Foto"] = new_rel
except Exception as e:
return jsonify({"ok": False, "error": f"Foto baru gagal diproses: {e}"}), 400
found = True
break
if not found:
return jsonify({"ok": False, "error": "UID tidak ditemukan."}), 404
_write_all_participants(rows)
if old_photo_rel:
old_basename = os.path.basename(old_photo_rel)
old_path = os.path.join(PHOTO_DIR, old_basename)
try:
if os.path.exists(old_path):
os.remove(old_path)
except Exception:
pass
return jsonify({"ok": True})
@app.delete("/api/participant/<uid>")
def api_delete_participant(uid):
delete_photo = (request.args.get("deletePhoto") == "1")
rows = _read_all_participants()
new_rows, removed = [], None
for r in rows:
if r.get("UID") == uid:
removed = r
continue
new_rows.append(r)
if removed is None:
return jsonify({"ok": False, "error": "UID tidak ditemukan."}), 404
_write_all_participants(new_rows)
if delete_photo:
foto_rel = (removed.get("Foto") or "").strip()
if foto_rel:
old_basename = os.path.basename(foto_rel)
old_path = os.path.join(PHOTO_DIR, old_basename)
try:
if os.path.exists(old_path):
os.remove(old_path)
except Exception:
pass
return jsonify({"ok": True})
# ================== Export Endpoints ==================
@app.get("/api/export/participants.csv")
def export_participants_csv():
q = (request.args.get("q") or "").strip().lower()
rows = _read_all_participants()
if q:
rows = [r for r in rows if q in (r.get("UID","").lower() + " " + r.get("Nama","").lower())]
def generate():
out = io.StringIO()
w = csv.writer(out)
w.writerow(["UID", "Nama", "Foto"])
yield out.getvalue()
out.seek(0); out.truncate(0)
for r in rows:
w.writerow([r.get("UID",""), r.get("Nama",""), r.get("Foto","")])
yield out.getvalue()
out.seek(0); out.truncate(0)
filename = f"participants_{int(time.time())}.csv"
headers = {
"Content-Disposition": f'attachment; filename="{filename}"',
"Content-Type": "text/csv; charset=utf-8"
}
return Response(generate(), headers=headers)
@app.get("/api/export/stats.json")
def export_stats_json():
data = _build_stats()
filename = f"stats_{int(time.time())}.json"
buf = io.BytesIO()
buf.write((jsonify(data).get_data()))
buf.seek(0)
return send_file(buf, mimetype="application/json", as_attachment=True, download_name=filename)
@app.get("/api/export/photos.zip")
def export_photos_zip():
# Zip semua foto yang ada. WARNING: bisa besar.
mem = io.BytesIO()
with zipfile.ZipFile(mem, mode="w", compression=zipfile.ZIP_DEFLATED) as zf:
for root, _, files in os.walk(PHOTO_DIR):
for f in files:
fp = os.path.join(root, f)
arcname = f # simpan nama file saja
try:
zf.write(fp, arcname=arcname)
except Exception:
pass
mem.seek(0)
filename = f"photos_{int(time.time())}.zip"
return send_file(mem, mimetype="application/zip", as_attachment=True, download_name=filename)
# ================== Main ==================
if __name__ == "__main__":
socketio.start_background_task(poll_nfc)
socketio.run(app, host="0.0.0.0", port=5000)
You can’t perform that action at this time.