remove rheemcloud pkg, implement against rest api only

pkg/config/custom.go

@@ -12,9 +12,9 @@ import (
 	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/config"
 )
 
-// DefaultUsageInterval is used when UsageInterval is unset. Rheem's
-// energy/water history only updates hourly, so polling faster is wasteful.
-const DefaultUsageInterval = 5 * time.Minute
+// DefaultPollInterval is used when PollInterval is unset. Each tick re-fetches
+// device state and daily energy/water usage over REST.
+const DefaultPollInterval = 1 * time.Minute
 
 type ServiceConfig struct {
 	// Rheem EcoNet cloud credentials. Prefer supplying the password via
@@ -30,8 +30,9 @@ type ServiceConfig struct {
 	// metric from kWh energy usage.
 	CostPerKWH float64 `yaml:"costPerKWH" json:"costPerKWH,omitempty" env:"ECONET_COST_PER_KWH" default:"0.19"`
 
-	// UsageInterval controls how often energy/water usage history is polled.
-	UsageInterval time.Duration `yaml:"usageInterval" json:"usageInterval,omitempty" env:"ECONET_USAGE_INTERVAL"`
+	// PollInterval controls how often device state and daily energy/water
+	// usage are re-fetched over REST.
+	PollInterval time.Duration `yaml:"pollInterval" json:"pollInterval,omitempty" env:"ECONET_POLL_INTERVAL"`
 
 	// Embeds go-app config, used by go-app to
 	// merge custom config into go-app config, and to produce
@@ -50,10 +51,10 @@ func (c *ServiceConfig) LoadEnv() error {
 	return env.Parse(c)
 }
 
-// GetUsageInterval returns the configured usage poll interval or the default.
-func (c *ServiceConfig) GetUsageInterval() time.Duration {
-	if c.UsageInterval <= 0 {
-		return DefaultUsageInterval
+// GetPollInterval returns the configured poll interval or the default.
+func (c *ServiceConfig) GetPollInterval() time.Duration {
+	if c.PollInterval <= 0 {
+		return DefaultPollInterval
 	}
-	return c.UsageInterval
+	return c.PollInterval
 }