mirror of
https://github.com/kennethreitz/coinbin.org.git
synced 2026-06-05 06:56:14 +00:00
141 lines
3.5 KiB
Python
141 lines
3.5 KiB
Python
import os
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from scraper import get_coins, get_coin, Coin, convert_to_decimal
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from predictions import get_predictions
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from graph import schema
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from flask import Flask, jsonify, render_template, request, send_file
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from flask_graphql import GraphQLView
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from flask_cache import Cache
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from flask_common import Common
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from flask_sslify import SSLify
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import crayons
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import maya
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import requests
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import records
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API_KEYS = os.environ.get('API_KEYS', '').split(':')
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db = records.Database()
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pro_db = records.Database(os.environ['HEROKU_POSTGRESQL_TEAL_URL'])
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app = Flask(__name__)
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app.debug = 'DEBUG' in os.environ
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common = Common(app)
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sslify = SSLify(app)
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@app.route('/')
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@common.cache.cached(timeout=60)
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def hello():
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lbc = get_coin('lbc')
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lbc_42 = get_value_int('lbc', 42.01)
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lbc_sc = get_exchange('lbc', 'sc')
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lbc_42_sc = get_exchange_value('lbc', 'sc', 42.01)
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lbc_forecast = get_forecast('lbc')
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return render_template('index.html', lbc=lbc, lbc_42=lbc_42, lbc_sc=lbc_sc, lbc_42_sc=lbc_42_sc, coins=get_coins().values(), lbc_forecast=lbc_forecast)
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@app.route('/coins')
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def all_coins():
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return jsonify(coins=get_coins())
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@app.route('/<coin>')
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def get_coin(coin):
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c = Coin(coin.lower())
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return jsonify(coin={
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'name': c.name,
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'ticker': c.ticker,
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'rank': c.rank,
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'usd': c.usd,
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'btc': c.btc
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})
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@app.route('/<coin>/forecast')
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def get_forecast(coin):
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return jsonify(forecast=get_predictions(coin.lower()))
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@app.route('/<coin>/forecast/graph')
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def get_forecast_graph(coin):
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return get_predictions(coin.lower(), render=True)
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# return send_file(f_name, mimetype='image/png')
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@app.route('/<coin>/<float:n>')
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def get_value(coin, n):
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c = Coin(coin.lower())
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return jsonify(coin={
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'usd': convert_to_decimal(c.usd * n),
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'exchange_rate': c.usd
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})
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@app.route('/<coin>/<int:n>')
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def get_value_int(coin, n):
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return get_value(coin, n)
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@app.route('/<coin>/history')
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def get_history(coin):
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c = Coin(coin.lower())
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q = "SELECT * from api_coin WHERE name=:coin ORDER BY date desc"
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if request.args.get('key') in API_KEYS:
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print(crayons.red('Pro request!'))
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rows = pro_db.query(q, coin=c.name)
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else:
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rows = db.query(q, coin=c.name)
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return jsonify(history=[
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{
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'value': r.value,
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'value.currency': 'USD',
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'timestamp': maya.MayaDT.from_datetime(r.date).subtract(hours=4).iso8601(),
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'when': maya.MayaDT.from_datetime(r.date).subtract(hours=4).slang_time()
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} for r in rows]
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)
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@app.route('/<coin1>/to/<coin2>')
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def get_exchange(coin1, coin2):
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c = Coin(coin1.lower())
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return jsonify(coin={
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# 'name': c.name,
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# 'ticker': c.ticker,
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'exchange_rate': c.value(coin2.lower()),
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})
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@app.route('/<coin1>/<float:n>/to/<coin2>/')
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def get_exchange_value(coin1, coin2, n):
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c = Coin(coin1.lower())
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v = c.value(coin2.lower())
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n = convert_to_decimal(n)
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return jsonify(coin={
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'value': convert_to_decimal(v * n),
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'value.coin': coin2,
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'exchange_rate': v
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})
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@app.route('/<coin1>/<int:n>/to/<coin2>/')
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def get_exchange_value_int(coin1, coin2, n):
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return get_exchange_value(coin1.lower(), coin2, n)
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# GraphQL stuff.
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app.add_url_rule('/graphql', view_func=GraphQLView.as_view('graphql', schema=schema, graphiql=True))
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# app.add_url_rule('/graphql/batch', view_func=GraphQLView.as_view('graphql', schema=schema, batch=True))
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if __name__ == '__main__':
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common.serve()
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