def analyze_user_rec():
"""Analyze the user's recording, save the audio data and pitch data to
database, and send pitch data back to page."""
# cut off first 22 chars ("data:audio/wav;base64,")
user_b64 = request.form.get("user_rec")[22:]
user_wav = base64.b64decode(user_b64)
user_recording_path = os.path.abspath('./sounds/user-rec.wav')
with open(user_recording_path, 'wb') as f:
f.write(user_wav)
user_pitch_data = analyze_pitch(user_recording_path)
# store audio data (user_b64) and user_pitch_data in db
ex_id = request.form.get("ex_id")
attempts = Recording.query.filter_by(ex_id=ex_id).all()
if attempts:
attempt_num = max(attempt.attempt_num for attempt in attempts) + 1
else:
attempt_num = 1
new_rec = Recording(ex_id=ex_id,
attempt_num=attempt_num,
audio_data=user_b64,
pitch_data=user_pitch_data)
db.session.add(new_rec)
db.session.commit()
return jsonify(attempt=new_rec.serialize())
def analyze_user_rec():
"""Analyze the user's recording, save audio data and pitch data to
the database if they're logged in, and send pitch data back to page."""
ex_id = request.form.get("ex_id")
# cut off first 22 chars ("data:audio/wav;base64,")
user_b64 = request.form.get("user_rec")[22:]
user_wav = base64.b64decode(user_b64)
user_recording_path = os.path.abspath('./static/sounds/user-rec-' + str(uuid.uuid4()) + '.wav')
with open(user_recording_path, 'wb') as f:
f.write(user_wav)
user_pitch_data = analyze_pitch(user_recording_path)
os.remove(user_recording_path)
attempt = {}
if 'user_id' in session:
attempts = Recording.query.filter_by(user_id=session['user_id'], ex_id=ex_id).all()
attempt_num = 1
if attempts:
attempt_num += max(attempt.attempt_num for attempt in attempts)
new_rec = Recording(user_id=session['user_id'],
ex_id=ex_id,
attempt_num=attempt_num,
audio_data=user_b64,
pitch_data=user_pitch_data,
created_at=datetime.datetime.now())
db.session.add(new_rec)
db.session.commit()
attempt = new_rec.serialize()
else:
attempt = {
"ex_id": ex_id,
"audio_data": user_b64,
"pitch_data": json.loads(user_pitch_data)
}
return jsonify(attempt=attempt)
