cli: add config command (#18535)

cmd/config.go

@@ -0,0 +1,63 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/evcc-io/evcc/util/config"
+	"github.com/evcc-io/evcc/util/templates"
+	"github.com/spf13/cobra"
+)
+
+// configCmd represents the configure command
+var configCmd = &cobra.Command{
+	Use:   "config",
+	Short: "Dump database configuration",
+	Run:   runConfig,
+}
+
+func init() {
+	rootCmd.AddCommand(configCmd)
+	configCmd.Flags().String("class", "", "Device class ("+strings.Join(templates.ClassStrings(), "|")+")")
+}
+
+func runConfig(cmd *cobra.Command, args []string) {
+	// load config
+	if err := loadConfigFile(&conf, !cmd.Flag(flagIgnoreDatabase).Changed); err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	// setup environment
+	if err := configureEnvironment(cmd, &conf); err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	cc := templates.ClassValues()
+	if c := cmd.Flag("class").Value.String(); c != "" {
+		class, err := templates.ClassString(c)
+		if err != nil {
+			log.FATAL.Fatal(err)
+		}
+		cc = []templates.Class{class}
+	}
+
+	for _, class := range cc {
+		configurable, err := config.ConfigurationsByClass(class)
+		if err != nil {
+			log.FATAL.Fatal(err)
+		}
+
+		if len(configurable) > 0 {
+			if len(cc) > 0 {
+				fmt.Println(class)
+				fmt.Println("---")
+			}
+
+			for _, c := range configurable {
+				fmt.Println(config.NameForID(c.ID), "type:"+c.Type, c.Value)
+			}
+
+			fmt.Println("")
+		}
+	}
+}

cmd/config_delete.go

@@ -0,0 +1,70 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/evcc-io/evcc/api"
+	"github.com/evcc-io/evcc/core/loadpoint"
+	"github.com/evcc-io/evcc/util/config"
+	"github.com/evcc-io/evcc/util/templates"
+	"github.com/spf13/cobra"
+)
+
+// configDeleteCmd represents the configure command
+var configDeleteCmd = &cobra.Command{
+	Use:   "delete <id>",
+	Short: "Delete device",
+	Run:   runConfigDelete,
+	Args:  cobra.ExactArgs(1),
+}
+
+func init() {
+	configCmd.AddCommand(configDeleteCmd)
+}
+
+func runConfigDelete(cmd *cobra.Command, args []string) {
+	// load config
+	if err := loadConfigFile(&conf, !cmd.Flag(flagIgnoreDatabase).Changed); err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	// setup environment
+	if err := configureEnvironment(cmd, &conf); err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	id, err := config.IDForName(args[0])
+	if err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	c, err := config.ConfigByID(id)
+	if err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	fmt.Println(config.NameForID(c.ID), "type:"+c.Type, c.Value)
+
+	switch c.Class {
+	case templates.Charger:
+		deleteDevice[api.Charger](c)
+	case templates.Meter:
+		deleteDevice[api.Meter](c)
+	case templates.Vehicle:
+		deleteDevice[api.Vehicle](c)
+	case templates.Tariff:
+		deleteDevice[api.Tariff](c)
+	case templates.Circuit:
+		deleteDevice[api.Circuit](c)
+	case templates.Loadpoint:
+		deleteDevice[loadpoint.API](c)
+	}
+}
+
+func deleteDevice[T any](c config.Config) {
+	var zero T
+	dev := config.NewConfigurableDevice[T](&c, zero)
+	if err := dev.Delete(); err != nil {
+		log.FATAL.Fatal(err)
+	}
+}

util/config/config.go

@@ -3,6 +3,8 @@ package config
 import (
 	"encoding/json"
 	"fmt"
+	"strconv"
+	"strings"
 
 	"dario.cat/mergo"
 	"github.com/evcc-io/evcc/util/templates"
@@ -175,6 +177,11 @@ func NameForID(id int) string {
 	return fmt.Sprintf("db:%d", id)
 }
 
+// IDForName returns a unique config name for the given id
+func IDForName(name string) (int, error) {
+	return strconv.Atoi(strings.TrimPrefix(name, "db:"))
+}
+
 // ConfigurationsByClass returns devices by class from the database
 func ConfigurationsByClass(class templates.Class) ([]Config, error) {
 	var devices []Config