feat: support pushover as notification

internal/pkg/core/notifier/providers/pushover/pushover.go

@@ -0,0 +1,102 @@
+package pushover
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+
+	"github.com/pkg/errors"
+
+	"github.com/usual2970/certimate/internal/pkg/core/notifier"
+)
+
+type NotifierConfig struct {
+	Token string `json:"token"` // 应用 API Token
+	User  string `json:"user"`  // 用户/分组 Key
+}
+
+type NotifierProvider struct {
+	config *NotifierConfig
+	logger *slog.Logger
+	// 未来将移除
+	httpClient *http.Client
+}
+
+var _ notifier.Notifier = (*NotifierProvider)(nil)
+
+func NewNotifier(config *NotifierConfig) (*NotifierProvider, error) {
+	if config == nil {
+		panic("config is nil")
+	}
+
+	return &NotifierProvider{
+		config:     config,
+		httpClient: http.DefaultClient,
+	}, nil
+}
+
+func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
+	if logger == nil {
+		n.logger = slog.Default()
+	} else {
+		n.logger = logger
+	}
+	return n
+}
+
+// Notify 发送通知
+// 参考文档：https://pushover.net/api
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+	// 请求体
+	reqBody := &struct {
+		Token   string `json:"token"`
+		User    string `json:"user"`
+		Title   string `json:"title"`
+		Message string `json:"message"`
+	}{
+		Token:   n.config.Token,
+		User:    n.config.User,
+		Title:   subject,
+		Message: message,
+	}
+
+	// Make request
+	body, err := json.Marshal(reqBody)
+	if err != nil {
+		return nil, errors.Wrap(err, "encode message body")
+	}
+
+	req, err := http.NewRequestWithContext(
+		ctx,
+		http.MethodPost,
+		"https://api.pushover.net/1/messages.json",
+		bytes.NewReader(body),
+	)
+	if err != nil {
+		return nil, errors.Wrap(err, "create new request")
+	}
+
+	req.Header.Set("Content-Type", "application/json; charset=utf-8")
+
+	// Send request to pushover service
+	resp, err := n.httpClient.Do(req)
+	if err != nil {
+		return nil, errors.Wrapf(err, "send request to pushover server")
+	}
+	defer resp.Body.Close()
+
+	result, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, errors.Wrap(err, "read response")
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("pushover returned status code %d: %s", resp.StatusCode, string(result))
+	}
+
+	return &notifier.NotifyResult{}, nil
+}

internal/pkg/core/notifier/providers/pushover/pushover_test.go

@@ -0,0 +1,62 @@
+package pushover_test
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"strings"
+	"testing"
+
+	provider "github.com/usual2970/certimate/internal/pkg/core/notifier/providers/pushover"
+)
+
+const (
+	mockSubject = "test_subject"
+	mockMessage = "test_message"
+)
+
+var (
+	fToken string
+	fUser  string
+)
+
+func init() {
+	argsPrefix := "CERTIMATE_NOTIFIER_PUSHOVER_"
+	flag.StringVar(&fToken, argsPrefix+"TOKEN", "", "")
+	flag.StringVar(&fUser, argsPrefix+"USER", "", "")
+}
+
+/*
+Shell command to run this test:
+
+	go test -v ./pushover_test.go -args \
+	--CERTIMATE_NOTIFIER_PUSHOVER_TOKEN="your-pushover-token" \
+	--CERTIMATE_NOTIFIER_PUSHOVER_USER="your-pushover-user" \
+*/
+func TestNotify(t *testing.T) {
+	flag.Parse()
+
+	t.Run("Notify", func(t *testing.T) {
+		t.Log(strings.Join([]string{
+			"args:",
+			fmt.Sprintf("TOKEN: %v", fToken),
+		}, "\n"))
+
+		notifier, err := provider.NewNotifier(&provider.NotifierConfig{
+			Token: fToken,
+			User:  fUser,
+		})
+		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)
+	})
+}