feat(pkg/db): postgres database

cmd/db/db.go

@@ -0,0 +1,49 @@
+package db
+
+import (
+	"context"
+	"log"
+
+	database "github.com/go-flucky/flucky/pkg/db"
+	"github.com/go-flucky/flucky/pkg/types"
+	"github.com/spf13/cobra"
+)
+
+var configFile *string
+
+var dbCmd = &cobra.Command{
+	Use:   "db",
+	Short: "Operates with the configured database",
+	Run: func(cmd *cobra.Command, args []string) {
+
+		postgresDB, err := database.New(database.DBOTypePostgres, "localhost", "5432", "postgres", "postgres", "postgres")
+		if err != nil {
+			log.Fatalf("%v", err)
+		}
+
+		ctx := context.Background()
+
+		devices := []*types.Device{
+			&types.Device{
+				DeviceID:   "1684df26-bc72-4435-a4f9-74b24bdb286c",
+				DeviceName: "raspberr-pi",
+			},
+			&types.Device{
+				DeviceID:   "1684df26-bc72-4435-a4f9-74b24bdb286c",
+				DeviceName: "raspberr-pi",
+			},
+		}
+
+		if err := postgresDB.InsertDevices(ctx, devices); err != nil {
+			log.Fatalln(err)
+		}
+	},
+}
+
+// Execute a
+func InitCmd(cmd *cobra.Command, cnfFile *string) {
+	configFile = cnfFile
+
+	cmd.AddCommand(dbCmd)
+
+}