👓 Inits admin cli

admin/main.go

@@ -0,0 +1,157 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+
+	"github.com/spf13/viper"
+	"github.com/urfave/cli/v3"
+)
+
+var (
+	server string
+	token  string
+)
+
+func load() error {
+	viper.SetConfigName("config")
+	viper.SetConfigType("toml")
+	viper.AddConfigPath("$HOME/.local/share/door-alarm")
+	err := viper.ReadInConfig()
+	if err != nil {
+		return err
+	}
+
+	server = viper.GetString("server")
+	if server == "" {
+		return errors.New("'server' property is required")
+	}
+
+	token = viper.GetString("token")
+	if token == "" {
+		return errors.New("'token' property is required")
+	}
+
+	return nil
+}
+
+func makeReqPrint(method string, url string) error {
+	req, err := http.NewRequest(method, url, nil)
+	if err != nil {
+		return err
+	}
+
+	req.Header.Set("Authorization", token)
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+
+	if res.StatusCode != 200 {
+		fmt.Printf("<-- %d\n", res.StatusCode)
+	}
+
+	recv, err := io.ReadAll(res.Body)
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("%s", recv)
+	return nil
+}
+
+func makeReqRet(method string, url string) ([]byte, error) {
+	req, err := http.NewRequest(method, url, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Authorization", token)
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	if res.StatusCode != 200 {
+		fmt.Printf("<-- %d\n", res.StatusCode)
+	}
+
+	return io.ReadAll(res.Body)
+}
+
+func main() {
+	cmd := &cli.Command{
+		Name:  "doorctl",
+		Usage: "door-alarm server administration tool",
+		Commands: []*cli.Command{
+			{
+				Name:  "version",
+				Usage: "print version and exit",
+				Action: func(context.Context, *cli.Command) error {
+					fmt.Println("version 1.0.0")
+					return nil
+				},
+			},
+			{
+				Name:   "test",
+				Usage:  "test server connection",
+				Action: test,
+			},
+			{
+				Name:  "get",
+				Usage: "get door state",
+				Flags: []cli.Flag{
+					&cli.BoolFlag{
+						Name:  "raw",
+						Usage: "print raw server output",
+					},
+				},
+				Action: get,
+			},
+		},
+	}
+
+	err := cmd.Run(context.Background(), os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func test(context.Context, *cli.Command) error {
+	err := load()
+	if err != nil {
+		return err
+	}
+
+	url := fmt.Sprintf("%s/", server)
+	return makeReqPrint(http.MethodGet, url)
+}
+
+func get(ctx context.Context, cmd *cli.Command) error {
+	err := load()
+	if err != nil {
+		return err
+	}
+
+	opened, err := makeReqRet(http.MethodGet, "/read")
+	if err != nil {
+		return err
+	}
+
+	if cmd.Bool("raw") {
+		fmt.Println(opened)
+	} else {
+		if string(opened) == "true" {
+			fmt.Println("door is open")
+		} else {
+			fmt.Println("door is closed")
+		}
+	}
+
+	return nil
+}