2021-05-09 18:23:32 +02:00

114 lines
3.5 KiB
Python

import os
import datetime
import base64
import random
import string
from dateutil import parser as dt_parser
from toolz import compose
from toolz.curried import map, filter
from atomicwrites import atomic_write
SURPRISE_TITLE = os.environ.get("SURPRISE_TITLE", "Surprise")
print("SURPRISE_TITLE =", SURPRISE_TITLE)
SURPRISE_STORE_FILE = os.environ.get("SURPRISE_STORE_FILE", "surprise.txt")
print("SURPRISE_STORE_FILE =", SURPRISE_STORE_FILE)
SURPRISE_SECRET = os.environ.get("SURPRISE_SECRET")
print("SURPRISE_SECRET =", SURPRISE_SECRET)
assert bool(SURPRISE_SECRET)
SURPRISE_ASSET_DIR = os.environ.get("SURPRISE_ASSET_DIR", "../surprise-assets/gender-reveal")
print("SURPRISE_ASSET_DIR =", SURPRISE_ASSET_DIR)
assert os.path.isdir(SURPRISE_ASSET_DIR)
SURPRISE_REVEAL_DATETIME = dt_parser.parse(
os.environ.get(
"SURPRISE_REVEAL_DATETIME",
(datetime.datetime.now() + datetime.timedelta(minutes=5)).isoformat()
)
)
print("SURPRISE_REVEAL_DATETIME =", SURPRISE_REVEAL_DATETIME)
def _get_surprise_assets():
IMG_TYPES = (
'.png',
'.jpeg',
'.jpg',
'.svg',
'.apng',
'.gif',
'.webp',
'.avif'
)
_, _, files = next(os.walk(SURPRISE_ASSET_DIR))
surprise_assets = compose(
dict,
map(lambda xy: (xy[0], os.path.join('/assets', ''.join(xy)))),
filter(lambda xy: xy[1] in IMG_TYPES),
map(lambda s: os.path.splitext(s)),
map(lambda s: s.lower().strip())
)(files)
if '_null' not in surprise_assets:
surprise_assets['_null'] = os.path.join('/static', '_null.png')
if '_secret' not in surprise_assets:
surprise_assets['_secret'] = os.path.join('/static', '_secret.png')
return surprise_assets
SURPRISE_ASSETS = _get_surprise_assets()
assert len(SURPRISE_ASSETS) >= 4
print("SURPRISE_ASSETS =", SURPRISE_ASSETS)
from flask import (
Flask, jsonify, send_from_directory, render_template, request, url_for,
redirect, flash
)
app = Flask(__name__)
app.config['SECRET_KEY'] = ''.join(random.choice(string.ascii_lowercase) for i in range(20))
@app.route('/')
def index():
return render_template('index.html', title=SURPRISE_TITLE)
@app.route('/assets/<path:path>')
def assets(path):
return send_from_directory(SURPRISE_ASSET_DIR, path)
@app.route('/get-surprise.json')
def get_surprise_json():
diff = (SURPRISE_REVEAL_DATETIME - datetime.datetime.now()).total_seconds()
if os.path.isfile(SURPRISE_STORE_FILE):
if diff < 0:
with open(SURPRISE_STORE_FILE) as f:
surprise = f.read()
else:
surprise = '_secret'
else:
surprise = '_null'
return jsonify({
'diff_seconds': diff,
'surprise': surprise,
'asset': SURPRISE_ASSETS[surprise]
})
@app.route('/set-surprise')
def set_surprise():
enum = [v for v in SURPRISE_ASSETS.keys() if v not in ('_null', '_secret')]
return render_template('set_surprise.html', title=SURPRISE_TITLE, enum=enum)
@app.route('/post-surprise', methods=['POST'])
def post_surprise():
if request.form.get('password') != SURPRISE_SECRET:
flash("Password is wrong")
return redirect(url_for('set_surprise'))
value = request.form.get('surprise')
if value not in SURPRISE_ASSETS.keys():
flash("Invalid value '%s'" % value)
return redirect(url_for('set_surprise'))
with atomic_write(SURPRISE_STORE_FILE, overwrite=True) as f:
f.write(value)
flash("Value was successfully set to '%s'" % value)
return redirect(url_for('index'))