151 lines
4.7 KiB
Python
151 lines
4.7 KiB
Python
from datetime import datetime
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from flask import Flask
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from flask import render_template
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from flask import request, redirect, g
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from flask import url_for
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import os.path
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import time
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import db
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#from db import Db
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app = Flask(__name__)
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DATABASE = '/data/rollerverbrauch.db'
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DEBUG = True
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SECRET_KEY = 'development key'
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USERNAME = 'admin'
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PASSWORD = 'default'
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app.config.from_object(__name__)
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@app.before_request
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def before_request():
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g.db2 = db.Db(app.config['DATABASE'])
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g.data = {}
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add_service_warning(g.data)
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@app.teardown_request
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def teardown_request(exception):
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pass
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@app.route('/')
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def index():
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return redirect(url_for('get_pit_stops'))
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@app.route('/services')
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def get_services():
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data = g.db2.getAllServices()
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data.reverse()
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g.data['services'] = data
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return render_template('services.html', data=g.data)
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@app.route('/pitstops', methods=['POST'])
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def create_pit_stop():
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last_pitstop = g.db2.getLastPitStop()
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errorMsg = {}
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date = request.form['date']
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try:
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date = datetime.strptime(date, '%Y-%m-%d').strftime('%Y-%m-%d')
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except ValueError:
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errorMsg['date'] = 'invalid date, only YYYY-MM-DD is allowed'
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date = request.form['date']
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odometer = request.form['odometer']
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try:
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odometer = int(odometer)
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except ValueError:
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errorMsg['odometer'] = 'Illegal Value, only Integers allowed'
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odometer = None
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if odometer is not None and odometer <= last_pitstop['odometer']:
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errorMsg['odometer'] = 'Illegal Value, new Value must be bigger as given value'
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odometer = request.form['odometer']
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if odometer is None:
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odometer = request.form['odometer']
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litres = request.form['litres']
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try:
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litres = float(litres)
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except ValueError:
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errorMsg['litres'] = 'Illegal Value, only floating point allowed'
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litres = None
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if litres is not None and litres <= 0:
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errorMsg['litres'] = 'Litres must not be 0'
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litres = request.form['litres']
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if litres is None:
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litres = request.form['litres']
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# error checking here
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if len(errorMsg) > 0:
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data = {'last': {'date': date, 'odometer': odometer, 'litres': litres}, 'error': errorMsg}
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return render_template('newPitStopForm.html', data=data)
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g.db2.addPitStop(date, odometer, litres)
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return redirect(url_for('get_pit_stops'))
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@app.route('/pitstops/createForm', methods=['GET'])
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def create_pit_stop_form():
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values = g.db2.getLastPitStop()
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values['date'] = time.strftime("%Y-%m-%d")
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g.data['last'] = values
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g.data['error'] = None
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return render_template('newPitStopForm.html', data=g.data)
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def add_service_warning(data):
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service_info = g.db2.get_service_warning_info()
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data['service_info'] = service_info
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@app.route('/pitstops', methods=['GET'])
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def get_pit_stops():
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data = prepare_pit_stops(g.db2.getAllPitStops())
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g.data['pitstops'] = data
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return render_template('pitstops.html', data=g.data)
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@app.route('/manual', methods=['GET'])
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def get_manual():
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return render_template('manual.html', data=g.data)
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@app.route('/statistics', methods=['GET'])
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def get_statistics():
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pitstops = g.db2.getAllPitStops()
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count = len(pitstops)
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distance = 0
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sumLitres = 0
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averageDistance = 0
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averageLitresFuelled = 0
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averageLitresUsed = 0
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if count > 0:
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sumLitres = 0
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for pitstop in pitstops:
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sumLitres += pitstop['litres']
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averageLitresFuelled = sumLitres/count
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if count > 1:
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distance = pitstops[-1]['odometer'] - pitstops[0]['odometer']
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averageDistance = distance/(count - 1)
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averageLitresUsed = 100 * (sumLitres-pitstops[0]['litres'])/distance
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g.data['distance'] = distance
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g.data['count'] = count
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g.data['litres'] = sumLitres
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g.data['averageDistance'] = averageDistance
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g.data['averageListresFuelled'] = averageLitresFuelled
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g.data['averageListresUsed'] = averageLitresUsed
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return render_template('statistics.html', data=g.data)
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def prepare_pit_stops(pitstops):
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for index in range(1, len(pitstops)):
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last = pitstops[index - 1]
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curr = pitstops[index]
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curr['distance'] = curr['odometer'] - last['odometer']
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curr['average'] = 100 * curr['litres']/curr['distance']
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last_date = datetime.strptime(last['date'], '%Y-%m-%d')
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curr_date = datetime.strptime(curr['date'], '%Y-%m-%d')
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curr['days'] = (curr_date - last_date).days
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pitstops.reverse()
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return pitstops
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if __name__ == '__main__':
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if not os.path.isfile(DATABASE) or os.stat(DATABASE).st_size == 0:
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db = db.Db(app.config['DATABASE'])
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db.init_db(app.open_resource('schema.sql', mode='r'))
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app.run(debug=True, host='0.0.0.0') |