chore: move '/internal/pkg' to '/pkg'

pkg/core/notifier/providers/telegrambot/telegrambot.go

@@ -0,0 +1,69 @@
+package telegrambot
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+
+	"github.com/go-resty/resty/v2"
+
+	"github.com/usual2970/certimate/pkg/core"
+)
+
+type NotifierProviderConfig struct {
+	// Telegram Bot API Token。
+	BotToken string `json:"botToken"`
+	// Telegram Chat ID。
+	ChatId int64 `json:"chatId"`
+}
+
+type NotifierProvider struct {
+	config     *NotifierProviderConfig
+	logger     *slog.Logger
+	httpClient *resty.Client
+}
+
+var _ core.Notifier = (*NotifierProvider)(nil)
+
+func NewNotifierProvider(config *NotifierProviderConfig) (*NotifierProvider, error) {
+	if config == nil {
+		return nil, errors.New("the configuration of the notifier provider is nil")
+	}
+
+	client := resty.New()
+
+	return &NotifierProvider{
+		config:     config,
+		logger:     slog.Default(),
+		httpClient: client,
+	}, nil
+}
+
+func (n *NotifierProvider) SetLogger(logger *slog.Logger) {
+	if logger == nil {
+		n.logger = slog.New(slog.DiscardHandler)
+	} else {
+		n.logger = logger
+	}
+}
+
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*core.NotifyResult, error) {
+	// REF: https://core.telegram.org/bots/api#sendmessage
+	req := n.httpClient.R().
+		SetContext(ctx).
+		SetHeader("Content-Type", "application/json").
+		SetHeader("User-Agent", "certimate").
+		SetBody(map[string]any{
+			"chat_id": n.config.ChatId,
+			"text":    subject + "\n" + message,
+		})
+	resp, err := req.Post(fmt.Sprintf("https://api.telegram.org/bot%s/sendMessage", n.config.BotToken))
+	if err != nil {
+		return nil, fmt.Errorf("telegram api error: failed to send request: %w", err)
+	} else if resp.IsError() {
+		return nil, fmt.Errorf("telegram api error: unexpected status code: %d, resp: %s", resp.StatusCode(), resp.String())
+	}
+
+	return &core.NotifyResult{}, nil
+}

pkg/core/notifier/providers/telegrambot/telegrambot_test.go

@@ -0,0 +1,64 @@
+package telegrambot_test
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"strings"
+	"testing"
+
+	provider "github.com/usual2970/certimate/pkg/core/notifier/providers/telegrambot"
+)
+
+const (
+	mockSubject = "test_subject"
+	mockMessage = "test_message"
+)
+
+var (
+	fApiToken string
+	fChatId   int64
+)
+
+func init() {
+	argsPrefix := "CERTIMATE_NOTIFIER_TELEGRAMBOT_"
+
+	flag.StringVar(&fApiToken, argsPrefix+"APITOKEN", "", "")
+	flag.Int64Var(&fChatId, argsPrefix+"CHATID", 0, "")
+}
+
+/*
+Shell command to run this test:
+
+	go test -v ./telegrambot_test.go -args \
+	--CERTIMATE_NOTIFIER_TELEGRAMBOT_APITOKEN="your-api-token" \
+	--CERTIMATE_NOTIFIER_TELEGRAMBOT_CHATID=123456
+*/
+func TestNotify(t *testing.T) {
+	flag.Parse()
+
+	t.Run("Notify", func(t *testing.T) {
+		t.Log(strings.Join([]string{
+			"args:",
+			fmt.Sprintf("APITOKEN: %v", fApiToken),
+			fmt.Sprintf("CHATID: %v", fChatId),
+		}, "\n"))
+
+		notifier, err := provider.NewNotifierProvider(&provider.NotifierProviderConfig{
+			BotToken: fApiToken,
+			ChatId:   fChatId,
+		})
+		if err != nil {
+			t.Errorf("err: %+v", err)
+			return
+		}
+
+		res, err := notifier.Notify(context.Background(), mockSubject, mockMessage)
+		if err != nil {
+			t.Errorf("err: %+v", err)
+			return
+		}
+
+		t.Logf("ok: %v", res)
+	})
+}