clean-architecture (#17)

datastore/domotik/application.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"time"
+
+	"github.com/sylvek/domotik/datastore/domain"
+	"github.com/sylvek/domotik/datastore/port"
+)
+
+type Application struct {
+	input                  domain.Input
+	state                  domain.State
+	stateRepository        port.StateRepository
+	logRepository          port.LogRepository
+	notificationRepository port.NotificationRepository
+}
+
+func (a *Application) AddLog(l domain.Log) error {
+	if err := a.logRepository.Store(l); err != nil {
+		return err
+	}
+
+	a.input.UpdateFromLog(l)
+
+	return nil
+}
+
+func (a *Application) Process() error {
+	if a.input.HasIndice() {
+		newState, output := domain.GenerateStatistics(time.Now(), a.state, a.input)
+
+		if err := a.stateRepository.Store(newState); err != nil {
+			return err
+		}
+		if err := a.notificationRepository.Notify(output); err != nil {
+			return err
+		}
+
+		a.input.ResetIndice()
+		a.state = newState
+	}
+
+	return nil
+}
+
+func NewApplication(
+	stateRepository port.StateRepository,
+	logRepository port.LogRepository,
+	notificationRepository port.NotificationRepository) (*Application, error) {
+
+	state, err := stateRepository.Retrieve()
+	if err != nil {
+		return nil, err
+	}
+
+	return &Application{
+		input:                  *domain.NewInput(),
+		state:                  state,
+		stateRepository:        stateRepository,
+		logRepository:          logRepository,
+		notificationRepository: notificationRepository,
+	}, nil
+}

datastore/domotik/domain/input.entity.go

@@ -0,0 +1,27 @@
+package domain
+
+type Input struct {
+	lowTariff bool
+	indice    int64
+}
+
+func NewInput() *Input {
+	return &Input{lowTariff: false, indice: 0}
+}
+
+func (i *Input) UpdateFromLog(l Log) {
+	if l.name == "linky" && l.unit == "indice" {
+		i.indice = int64(l.value)
+	}
+	if l.name == "linky" && l.unit == "state" {
+		i.lowTariff = l.value == 0.0
+	}
+}
+
+func (i *Input) ResetIndice() {
+	i.indice = 0
+}
+
+func (i *Input) HasIndice() bool {
+	return i.indice > 0
+}

datastore/domotik/domain/log.entity.go

@@ -0,0 +1,33 @@
+package domain
+
+type Log struct {
+	topic string
+	name  string
+	unit  string
+	value float64
+}
+
+func NewLog(elements []string, value float64) *Log {
+	return &Log{
+		topic: elements[0],
+		name:  elements[1],
+		unit:  elements[2],
+		value: value,
+	}
+}
+
+func (l *Log) GetTopic() string {
+	return l.topic
+}
+
+func (l *Log) GetName() string {
+	return l.name
+}
+
+func (l *Log) GetUnit() string {
+	return l.unit
+}
+
+func (l *Log) GetValue() float64 {
+	return l.value
+}

datastore/domotik/domain/output.entity.go

@@ -0,0 +1,39 @@
+package domain
+
+type Output struct {
+	wattPerHourForLastMinute float64
+	wattPerHourForThisHour   int64
+	wattConsumedToday        int64
+	euroSpentToday           float64
+	ratioLowTariffToday      float64
+}
+
+func NewOutput(state State, consumptionSinceLastTime int64, minutesSinceTheLastIndice float64, ratioLowTariffToday float64) *Output {
+	return &Output{
+		wattPerHourForLastMinute: float64(consumptionSinceLastTime) * 60 / minutesSinceTheLastIndice,
+		wattPerHourForThisHour:   state.HourlySum * 60 / state.HourlyNbIndices,
+		wattConsumedToday:        state.DailySumHigh + state.DailySumLow,
+		euroSpentToday:           float64(state.DailySumHigh)*0.0001963 + float64(state.DailySumLow)*0.0001457,
+		ratioLowTariffToday:      ratioLowTariffToday,
+	}
+}
+
+func (o *Output) GetEuroSpentToday() float64 {
+	return o.euroSpentToday
+}
+
+func (o *Output) GetRatioLowTariffToday() float64 {
+	return o.ratioLowTariffToday
+}
+
+func (o *Output) GetWattConsumedToday() float64 {
+	return float64(o.wattConsumedToday)
+}
+
+func (o *Output) GetWattPerHourForThisHour() float64 {
+	return float64(o.wattPerHourForThisHour)
+}
+
+func (o *Output) GetWattPerHourForLastMinute() float64 {
+	return float64(o.wattPerHourForLastMinute)
+}