adds tracking of costs
This commit adds a new field to each pitstop for tracking of costs. This includes: * a new DB column * a new field in the create pitstop form * a new column in the pitstop overview * new stats values related to costs * 2 new graphs
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@ -14,6 +14,11 @@ operation.
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## start database
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`docker run --name pitstops_db -e MYSQL_ROOT_PASSWORD=$SOMESECUREPASSWORD$ -e MYSQL_DATABASE=pitstops -d mysql:latest`
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## Database migrations
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### From *Cathrine* to *Master*:
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`ALTER TABLE pitstop ADD COLUMN costs DECIMAL(5,2) NOT NULL DEFAULT 0.0 AFTER vehicle_id;`
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## run in development
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Include the development version of the code as volume, so the app gets
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@ -21,7 +26,7 @@ reloaded automatically. The sqlite file will be stored in *tmp* so it
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can be inspected with tools like *sqlite3*. The switch *DEBUG* enables
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debugging during development.
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`docker run --rm --name rollerverbrauch -ti -v $PWD/app:/app -v $PWD/../rollerverbrauch_config:/app/config -v /tmp/pitstops/:/data -e DEBUG=True -p 5000:5000 rollerverbrauch`
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`docker run --rm --name rollerverbrauch -ti -v $PWD/app:/app -v $PWD/../rollerverbrauch_config:/app/config -v /tmp/pitstops/:/data -e DEBUG=True -e config=../config/config.py --link pitstops_db:database -p 5000:5000 rollerverbrauch`
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## run in production
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`docker run --name pitstops -d -v /data/pitstops/:/data -v /configs/pitstops/:/app/config -p 80:5000 rollerverbrauch`
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@ -188,7 +188,7 @@ def create_pit_stop_form(vid):
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form.set_pitstop(last_pitstop)
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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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new_stop = Pitstop(form.odometer.data, form.litres.data, form.date.data, form.costs.data)
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db.session.add(new_stop)
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vehicle.pitstops.append(new_stop)
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db.session.commit()
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@ -198,10 +198,12 @@ def create_pit_stop_form(vid):
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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 = date.today()
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form.costs.default = last_pitstop.costs
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form.process()
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messages = {
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'date': 'Date must be between %s and %s (including).' % (str(last_pitstop.date), str(date.today())),
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'odometer': 'Odometer must be greater than %s km.' % (str(last_pitstop.odometer))
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'odometer': 'Odometer must be greater than %s km.' % (str(last_pitstop.odometer)),
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'costs': 'Costs must be higher than 0.01 €.'
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}
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return render_template('newPitStopForm.html', form=form, vehicle=vehicle, messages = messages)
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@ -58,12 +58,14 @@ class Pitstop(db.Model):
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date = db.Column(db.Date)
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odometer = db.Column(db.Integer)
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litres = db.Column(db.Numeric(5, 2))
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costs = db.Column(db.Numeric(5, 2), default=0)
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vehicle_id = db.Column(db.Integer, db.ForeignKey('vehicle.id'))
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def __init__(self, odometer, litres, date):
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def __init__(self, odometer, litres, date, costs):
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self.odometer = odometer
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self.litres = litres
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self.date = date
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self.costs = costs
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def __repr__(self):
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return '<Pitstop odometer="%r" litres="%r" date="%r" vehicle_id="%r">' % (self.odometer, self.litres, self.date, self.vehicle_id)
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@ -21,6 +21,11 @@ def litres_check(form, field):
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raise ValidationError('You must fuel at least 0.1 l')
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def costs_check(form, field):
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if field.data is not None and field.data <= 0:
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raise ValidationError('Costs must be above 0.01 €.')
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class SelectVehicleForm(Form):
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vehicle = SelectField('Vehicle', coerce=int)
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submit = SubmitField(label='Do it!')
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@ -30,6 +35,7 @@ class CreatePitstopForm(Form):
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date = DateField('Date of Pitstop', validators=[date_check])
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odometer = IntegerField('Odometer (km)', validators=[odometer_check])
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litres = DecimalField('Litres (l)', places=2, validators=[litres_check])
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costs = DecimalField('Costs (€, overall)', places=2, validators=[costs_check])
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submit = SubmitField(label='Do it!')
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last_pitstop = None
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@ -17,6 +17,10 @@
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{{messages['odometer']}}
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</span>
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{{ render_field_with_errors(form.litres) }}
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{{ render_field_with_errors(form.costs) }}
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<span id="{{form.costs.id}}_help" class="help-block">
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{{messages['costs']}}
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</span>
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{{ render_field_with_errors(form.submit) }}
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</form>
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</div>
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@ -30,6 +30,10 @@
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Litres<br/>
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Average
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</th>
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<th>
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Costs<br />
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Costs per Litre
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</th>
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</tr>
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{% for pitstop in vehicle.pitstops|reverse %}
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{% if not loop.last %}
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@ -49,6 +53,10 @@
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{{pitstop.litres}} l<br/>
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{{average | round(2)}} l/100km
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</td>
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<td>
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{{pitstop.costs}} €<br />
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{{ (pitstop.costs / pitstop.litres) | round(2) }} €/l
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</td>
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</tr>
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{% else %}
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<tr class='pitstop'>
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@ -64,6 +72,10 @@
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{{pitstop.litres}} l<br/>
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-- l/100km
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</td>
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<td>
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{{pitstop.costs}} €<br />
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{{ (pitstop.costs / pitstop.litres) | round(2) }} €/l
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</td>
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</tr>
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{% endif %}
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{% endfor %}
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@ -41,6 +41,14 @@
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<th>Average Litres used:</th>
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<td>{{ vehicle.average_litres_used | round(2) }} l/100km</td>
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</tr>
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<tr>
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<th>Logged Costs:</th>
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<td>{{ vehicle.overall_costs | round(2) }} €</td>
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</tr>
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<tr>
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<th>Average Costs per Litre:</th>
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<td>{{ vehicle.average_costs_per_litre | round(2) }} €/l</td>
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</tr>
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</table>
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</div>
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<ul id="charts_tabs" class="nav nav-tabs" data-tabs="tabs">
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@ -59,6 +67,16 @@
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Odometer
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</a>
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</li>
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<li>
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<a href="#v{{vehicle.id}}_c4" id="i{{vehicle.id}}_c4" data-toggle="tab">
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Costs per litre
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</a>
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</li>
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<li>
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<a href="#v{{vehicle.id}}_c5" id="i{{vehicle.id}}_c5" data-toggle="tab">
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Costs
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</a>
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</li>
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</ul>
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<div id="charts_tabs-content" class="tab-content">
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<div class="tab-pane active" id="v{{vehicle.id}}_c3">
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@ -97,6 +115,30 @@
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</div>
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{% endif %}
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</div>
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<div class="tab-pane " id="v{{vehicle.id}}_c4">
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{% if vehicle.pitstop_count > 0 %}
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<div id="costsPerLitre{{vehicle.id}}" style="width:100%; height:500px;"></div>
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<script type="text/javascript">
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{{ chartScript('costsPerLitre'+vehicle.id|str, vehicle.costsPerLitre, '€/l') }}
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</script>
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{% else %}
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<div class="alert alert-warning" role="alert">
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not enough data: <a href="{{ url_for('create_pit_stop_form', vid=vehicle.id) }}">log a pitstop</a>?
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</div>
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{% endif %}
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</div>
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<div class="tab-pane " id="v{{vehicle.id}}_c5">
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{% if vehicle.pitstop_count > 0 %}
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<div id="costs{{vehicle.id}}" style="width:100%; height:500px;"></div>
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<script type="text/javascript">
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{{ chartScript('costs'+vehicle.id|str, vehicle.costs, '€') }}
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</script>
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{% else %}
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<div class="alert alert-warning" role="alert">
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not enough data: <a href="{{ url_for('create_pit_stop_form', vid=vehicle.id) }}">log a pitstop</a>?
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</div>
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{% endif %}
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</div>
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</div>
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</div>
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{% endfor %}
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@ -14,13 +14,29 @@ class VehicleStats:
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self.litres = []
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self.average_litres = []
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self.odometers = []
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self.costsPerLitre = []
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self.costs = []
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self.overall_costs = 0
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self.average_costs_per_litre = 0
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cost_count = 0;
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if self.pitstop_count > 0:
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for pitstop in vehicle.pitstops:
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self.overall_litres += pitstop.litres
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self.litres.append(StatsEvent(pitstop.date, pitstop.litres))
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self.odometers.append(StatsEvent(pitstop.date, pitstop.odometer))
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self.costsPerLitre.append(StatsEvent(pitstop.date, pitstop.costs / pitstop.litres))
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self.costs.append(StatsEvent(pitstop.date, pitstop.costs))
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self.overall_costs += pitstop.costs
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self.average_costs_per_litre += (pitstop.costs / pitstop.litres)
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if pitstop.costs > 0:
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cost_count += 1
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self.average_litres_fuelled = self.overall_litres / self.pitstop_count
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if cost_count > 0:
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self.average_costs_per_litre = self.average_costs_per_litre / cost_count
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else:
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self.average_costs_per_litre = 0
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if self.pitstop_count > 1:
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self.overall_distance = vehicle.pitstops[-1].odometer - vehicle.pitstops[0].odometer
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self.average_distance = self.overall_distance / (self.pitstop_count - 1)
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@ -28,7 +44,9 @@ class VehicleStats:
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for index in range(1, self.pitstop_count):
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last_ps = vehicle.pitstops[index - 1]
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current_ps = vehicle.pitstops[index]
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self.average_litres.append(StatsEvent(current_ps.date, round(100 * current_ps.litres/(current_ps.odometer - last_ps.odometer),2)))
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self.average_litres.append(StatsEvent(
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current_ps.date,
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round(100 * current_ps.litres/(current_ps.odometer - last_ps.odometer), 2)))
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class StatsEvent:
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