feat(pkg/db): postgres database

pkg/daemon/daemon.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/go-flucky/flucky/pkg/config"
+	"github.com/go-flucky/flucky/pkg/db"
 	"github.com/go-flucky/flucky/pkg/logfile"
 	"github.com/go-flucky/flucky/pkg/logger"
 	"github.com/go-flucky/flucky/pkg/rgbled"
@@ -15,6 +16,14 @@ import (
 	"github.com/go-flucky/flucky/pkg/types"
 )
 
+var (
+	postgresHost     = "markus-pc.trier.cryptic.systems"
+	postgresPort     = "5432"
+	postgresDatabase = "postgres"
+	postgresUser     = "postgres"
+	postgresPassword = "postgres"
+)
+
 // Start the daemon
 func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compression bool, round float64, logger logger.Logger) {
 
@@ -67,7 +76,9 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
 				logger.Error("Can not turn on blue info light: %v", err)
 			}
 
-			err = logfile.Append(measuredValuesLogfile, compression, round, measuredValuesCache)
+			// err = logfile.Append(measuredValuesLogfile, compression, round, measuredValuesCache)
+
+			postgres, err := db.New(db.DBOTypePostgres, postgresHost, postgresPort, postgresDatabase, postgresUser, postgresPassword)
 			if err != nil {
 
 				err = rgbled.Error(rgbLEDs)
@@ -76,8 +87,22 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
 				}
 
 				cancel()
-				logger.Fatal("Can not save temperatures: %v", err)
+				logger.Error("Can not open database connection: %v", err)
 			}
+
+			postgresCtx := context.Background()
+			err = postgres.InsertMeasuredValues(postgresCtx, measuredValuesCache)
+			if err != nil {
+
+				err = rgbled.Error(rgbLEDs)
+				if err != nil {
+					logger.Error("Can not turn on red info light: %v", err)
+				}
+
+				cancel()
+				logger.Error("Can not save caches measured values in database: %v", err)
+			}
+
 			measuredValuesCache = make([]*types.MeasuredValue, 0)
 
 		case measuredValues, _ := <-measuredValuesChannel: