First step for WTForms
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app/main.py
85
app/main.py
@ -10,6 +10,10 @@ import hashlib
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import time
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from functools import wraps
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from flask_wtf import Form
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from wtforms import DateField, IntegerField, DecimalField
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from wtforms.validators import DataRequired
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app = Flask(__name__)
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DATABASE = '/data/rollerverbrauch.db'
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app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///'+DATABASE
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@ -106,71 +110,32 @@ def teardown_request(exception):
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def index():
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return redirect(url_for('get_pit_stops'))
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class CreatePitstopForm(Form):
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date = DateField('Date of Pitstop')
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odometer = IntegerField('Odometer (km)')
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litres = DecimalField('Litres (l)', places=1)
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@app.route('/pitstops', methods=['POST'])
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@app.route('/pitstops/createForm', methods=['GET', 'POST'])
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@requires_auth
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def create_pit_stop():
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def create_pit_stop_form():
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form = CreatePitstopForm()
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if form.validate_on_submit():
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new_stop = Pitstop(form.odometer.data, form.litres.data, form.date.data)
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sqldb.session.add(new_stop)
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sqldb.session.commit()
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return redirect(url_for('get_pit_stops'))
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last_pitstop = Pitstop.query.order_by(Pitstop.date.desc()).first()
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if last_pitstop is None:
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last_pitstop = Pitstop(0, 0, None)
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error_msg = {}
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date_of_pitstop = request.form['date']
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try:
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date_of_pitstop = datetime.strptime(date_of_pitstop, '%Y-%m-%d').strftime('%Y-%m-%d')
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except ValueError:
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error_msg['date'] = 'invalid date, only YYYY-MM-DD is allowed'
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date_of_pitstop = 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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error_msg['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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error_msg['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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error_msg['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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error_msg['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(error_msg) > 0:
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data = {'last': {'date': date_of_pitstop, 'odometer': odometer, 'litres': litres}, 'error': error_msg}
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return render_template('newPitStopForm.html', data=data)
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new_stop = Pitstop(odometer, litres, datetime.strptime(date_of_pitstop, '%Y-%m-%d'))
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sqldb.session.add(new_stop)
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sqldb.session.commit()
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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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@requires_auth
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def create_pit_stop_form():
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last_stop = Pitstop.query.order_by(Pitstop.date.desc()).first()
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if last_stop is None:
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last_stop = Pitstop(0, 0, date(1970, 1, 1))
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values = dict()
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values['odometer'] = last_stop.odometer
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values['litres'] = last_stop.litres
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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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# dynamically set values
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form.odometer.default = last_pitstop.odometer
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form.litres.default = last_pitstop.litres
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form.date.default = datetime.now()
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form.process()
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return render_template('newPitStopForm.html', form=form)
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@app.route('/pitstops', methods=['GET'])
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@ -197,7 +162,7 @@ def get_statistics():
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average_distance = 0
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average_litres_fuelled = 0
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average_litres_used = 0
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if count > 0:
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sum_litres = 0
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for pitstop in pitstops:
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@ -1,2 +1,3 @@
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Flask
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Flask-SQLAlchemy
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Flask-WTF
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@ -69,4 +69,3 @@
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</body>
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</html>
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@ -1,43 +1,32 @@
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{% extends "layout.html" %}
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{% block body %}
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<form class='form-horizontal' method="POST">
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{{ form.hidden_tag() }}
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<form class='form-horizontal' id='createPitStop' action="{{ url_for('create_pit_stop') }}" method='post'>
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<!-- Text input-->
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<div class="form-group {% if data.error['date'] %}has-error{% endif %}">
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<label class="col-sm-2 control-label" for="date">Date of Pitstop</label>
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<div class="col-sm-10">
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<input class="form-control" id="date" name="date" placeholder="" required="" type="date" value='{{ data.last.date }}' />
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<p class='error'>{{ data.error['date'] }}</p>
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</div>
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</div>
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<!-- Text input-->
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<div class="form-group {% if data.error['odometer'] %}has-error{% endif %}">
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<label class="col-sm-2 control-label" for="odometer">Odometer (km)</label>
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<div class="col-sm-10">
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<input class="form-control" id="odometer" name="odometer" placeholder="" type="number" value='{{ data.last.odometer }}' />
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<p class='error'>{{ data.error['odometer'] }}</p>
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</div>
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</div>
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<!-- Text input-->
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<div class="form-group {% if data.error['litres'] %}has-error{% endif %}">
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<label class="col-sm-2 control-label" for="litres">Litres (l)</label>
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<div class="col-sm-10">
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<input class="form-control" id="litres" name="litres" placeholder="" type="number" step='0.1' value='{{ data.last.litres }}' />
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<p class='error'>{{ data.error['litres'] }}</p>
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</div>
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</div>
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<!-- Button (Double) -->
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<div class="form-group">
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<div class="controls">
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<button id="buttonLogId" name="buttonLogId" class="btn btn-success" onclick="document.getElementById('create_pit_stop').submit();">Log Pitstop</button>
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<button id="buttonAbortId" name="buttonAbortId" class="btn btn-warning" onclick="window.location.href='{{ url_for('get_pit_stops') }}'" type="button" >Abort</button>
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<label class="col-sm-2 control-label" for="date">{{ form.date.label }}</label>
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<div class="col-sm-10">
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{{ form.date(size=20) }}
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-2 control-label" for="odometer">{{ form.odometer.label }}</label>
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<div class="col-sm-10">
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{{ form.odometer(size=20) }}
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-2 control-label" for="litres">{{ form.litres.label }}</label>
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<div class="col-sm-10">
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{{ form.litres(size=20) }}
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</div>
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</div>
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<input type="submit" value="Go">
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</form>
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{% endblock %}
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{% endblock %}
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