abhiyerra/total_recall.py

## total_recall.py
from airtable import Airtable
from flask import Flask, redirect, request, url_for
import json
import markdown
from datetime import datetime, timedelta, timezone

# https://gist.github.com/doctorpangloss/13ab29abd087dc1927475e560f876797
def sm2(x: [int], a=6.0, b=-0.8, c=0.28, d=0.02, theta=0.2) -> float:
    """
    Returns the number of days to delay the next review of an item by, fractionally, based on the history of answers x to
    a given question, where
    x == 0: Incorrect, Hardest
    x == 1: Incorrect, Hard
    x == 2: Incorrect, Medium
    x == 3: Correct, Medium
    x == 4: Correct, Easy
    x == 5: Correct, Easiest
    @param x The history of answers in the above scoring.
    @param theta When larger, the delays for correct answers will increase.
    """
    assert all(0 <= x_i <= 5 for x_i in x)
    correct_x = [x_i >= 3 for x_i in x]
    # If you got the last question incorrect, just return 1
    if not correct_x[-1]:
        return 1.0

    # Calculate the latest consecutive answer streak
    num_consecutively_correct = 0
    for correct in reversed(correct_x):
        if correct:
            num_consecutively_correct += 1
        else:
            break

    return a*(max(1.3, 2.5 + sum(b+c*x_i+d*x_i*x_i for x_i in x)))**(theta*num_consecutively_correct)

app = Flask(__name__)

@app.route("/")
def show():
    recalls = Airtable('', 'Recalls', api_key='').get_all(view="Review", maxRecords=1)
    recall = None
    if len(recalls) > 0:
        recall = recalls[0]
    else:
        return "Nothing to Review"

    script = '''
$(document).ready(function() {
  $("#show").click(function(){
    $("#back").removeClass("d-none");
    $("#show").addClass("d-none");
  });
});
'''

    return f'''
<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <title>TotalRecall</title>

    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
        integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
    </link>

    <script   src="https://code.jquery.com/jquery-3.4.1.min.js"   integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo="   crossorigin="anonymous"></script>

<script>
{script}
</script>
</head>

<body>
    <div class="container mt-5">
        <div class="row">
            <div class="col text-center" id="front">
                {recall['fields']['Front']}
            </div>
        </div>

        <div class="row mt-5">
            <div class="col text-center">
                <button id="show" class="btn btn-primary text-white text-center">Show</button>
            </div>
        </div>

        <div class="row mt-5">
            <div class="col text-center d-none" id="back">
                {markdown.markdown(recall['fields']['Back'])}
                <br/>
            </div>
        </div>

        <form action="update/{recall['id']}" method="POST">
            <div class="row mt-5">
                <div class="col">
                        <input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="1">
                        Incorrect, Hardest
                </div>
                <div class="col">
                        <input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="2">
                        Incorrect, Hard
                </div>
                <div class="col">
                        <input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="3">
                        Incorrect, Medium
                </div>
            </div>
            <div class="row mt-5">

                <div class="col">
                        <input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="4">
                        Correct, Medium
                </div>
                <div class="col">
                        <input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="5">
                        Correct, Easy
                </div>
                <div class="col">
                        <input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="6">
                        Correct, Easiest
                </div>
            </div>
        </form>
    </div>
</body>

</html>
'''

@app.route("/update/<airtableId>", methods=['POST'])
def update(airtableId=None):
    recalls = Airtable('', 'Recalls', api_key='')
    recall = recalls.get(airtableId)

    scores = []
    if 'Scores' in recall['fields']:
        scores = [int(i) for i in recall['fields']['Scores'].split(",")]

    current_score = request.form['recall_score']

    scores += [current_score]

    next_review_at = datetime.now(timezone.utc) + timedelta(days=sm2([int(i) for i in scores]))
    recalls.update(airtableId, {
        'NextReviewAt': next_review_at.isoformat(),
        'Scores': ','.join([str(i) for i in scores])
    })

    return redirect(url_for('show'))


def sync_handler(event, context):
    recalls = Airtable('', 'Recalls', api_key='')
    records = recalls.get_all(view="Grid")

    for record in records:
        if 'NextReviewAt' not in record['fields']:
            recalls.update(record['id'], {
                'NextReviewAt': datetime.now(timezone.utc).isoformat()
            })
	from airtable import Airtable
	from flask import Flask, redirect, request, url_for
	import json
	import markdown
	from datetime import datetime, timedelta, timezone

	# https://gist.github.com/doctorpangloss/13ab29abd087dc1927475e560f876797
	def sm2(x: [int], a=6.0, b=-0.8, c=0.28, d=0.02, theta=0.2) -> float:
	"""
	Returns the number of days to delay the next review of an item by, fractionally, based on the history of answers x to
	a given question, where
	x == 0: Incorrect, Hardest
	x == 1: Incorrect, Hard
	x == 2: Incorrect, Medium
	x == 3: Correct, Medium
	x == 4: Correct, Easy
	x == 5: Correct, Easiest
	@param x The history of answers in the above scoring.
	@param theta When larger, the delays for correct answers will increase.
	"""
	assert all(0 <= x_i <= 5 for x_i in x)
	correct_x = [x_i >= 3 for x_i in x]
	# If you got the last question incorrect, just return 1
	if not correct_x[-1]:
	return 1.0

	# Calculate the latest consecutive answer streak
	num_consecutively_correct = 0
	for correct in reversed(correct_x):
	if correct:
	num_consecutively_correct += 1
	else:
	break

	return a(max(1.3, 2.5 + sum(b+cx_i+dx_ix_i for x_i in x)))*(thetanum_consecutively_correct)

	app = Flask(__name__)

	@app.route("/")
	def show():
	recalls = Airtable('', 'Recalls', api_key='').get_all(view="Review", maxRecords=1)
	recall = None
	if len(recalls) > 0:
	recall = recalls[0]
	else:
	return "Nothing to Review"

	script = '''
	$(document).ready(function() {
	$("#show").click(function(){
	$("#back").removeClass("d-none");
	$("#show").addClass("d-none");
	});
	});
	'''

	return f'''
	<!doctype html>
	<html lang="en">
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
	<title>TotalRecall</title>

	<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
	integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
	</link>

	<script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>

	<script>
	{script}
	</script>
	</head>

	<body>
	<div class="container mt-5">
	<div class="row">
	<div class="col text-center" id="front">
	{recall['fields']['Front']}
	</div>
	</div>

	<div class="row mt-5">
	<div class="col text-center">
	<button id="show" class="btn btn-primary text-white text-center">Show</button>
	</div>
	</div>

	<div class="row mt-5">
	<div class="col text-center d-none" id="back">
	{markdown.markdown(recall['fields']['Back'])}
	<br/>
	</div>
	</div>

	<form action="update/{recall['id']}" method="POST">
	<div class="row mt-5">
	<div class="col">
	<input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="1">
	Incorrect, Hardest
	</div>
	<div class="col">
	<input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="2">
	Incorrect, Hard
	</div>
	<div class="col">
	<input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="3">
	Incorrect, Medium
	</div>
	</div>
	<div class="row mt-5">

	<div class="col">
	<input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="4">
	Correct, Medium
	</div>
	<div class="col">
	<input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="5">
	Correct, Easy
	</div>
	<div class="col">
	<input type="submit" class="btn btn-primary text-white text-center" name="recall_score" value="6">
	Correct, Easiest
	</div>
	</div>
	</form>
	</div>
	</body>

	</html>
	'''

	@app.route("/update/<airtableId>", methods=['POST'])
	def update(airtableId=None):
	recalls = Airtable('', 'Recalls', api_key='')
	recall = recalls.get(airtableId)

	scores = []
	if 'Scores' in recall['fields']:
	scores = [int(i) for i in recall['fields']['Scores'].split(",")]

	current_score = request.form['recall_score']

	scores += [current_score]

	next_review_at = datetime.now(timezone.utc) + timedelta(days=sm2([int(i) for i in scores]))
	recalls.update(airtableId, {
	'NextReviewAt': next_review_at.isoformat(),
	'Scores': ','.join([str(i) for i in scores])
	})

	return redirect(url_for('show'))


	def sync_handler(event, context):
	recalls = Airtable('', 'Recalls', api_key='')
	records = recalls.get_all(view="Grid")

	for record in records:
	if 'NextReviewAt' not in record['fields']:
	recalls.update(record['id'], {
	'NextReviewAt': datetime.now(timezone.utc).isoformat()
	})