feat: 增加推送通知配置

backend/internal/integrations/push/bark.go

@@ -0,0 +1,69 @@
+package push
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+)
+
+const defaultBarkServer = "https://api.day.app"
+
+// BarkConfig 是 iOS Bark 推送的配置。
+type BarkConfig struct {
+	DeviceKey string
+	Server    string // 可选，默认 https://api.day.app
+}
+
+// BarkProvider 实现了通过 Bark 发送 iOS 推送。
+type BarkProvider struct {
+	deviceKey string
+	server    string
+	client    *http.Client
+}
+
+// NewBarkProvider 创建 Bark 推送 Provider。
+// DeviceKey 为空时返回 ErrProviderConfigInvalid。
+func NewBarkProvider(cfg BarkConfig) (*BarkProvider, error) {
+	if strings.TrimSpace(cfg.DeviceKey) == "" {
+		return nil, ErrProviderConfigInvalid
+	}
+	server := strings.TrimSpace(cfg.Server)
+	if server == "" {
+		server = defaultBarkServer
+	}
+	server = strings.TrimRight(server, "/")
+	return &BarkProvider{
+		deviceKey: strings.TrimSpace(cfg.DeviceKey),
+		server:    server,
+		client:    &http.Client{Timeout: 10 * time.Second},
+	}, nil
+}
+
+func (p *BarkProvider) Name() string { return "bark" }
+
+func (p *BarkProvider) Send(ctx context.Context, msg Message) error {
+	title := url.PathEscape(msg.Title)
+	body := url.PathEscape(msg.Content)
+	reqURL := fmt.Sprintf("%s/%s/%s/%s", p.server, p.deviceKey, title, body)
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, reqURL, nil)
+	if err != nil {
+		return fmt.Errorf("bark: create request: %w", err)
+	}
+
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return fmt.Errorf("bark: send failed: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 400 {
+		bodyBytes, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("bark: http %d: %s", resp.StatusCode, string(bodyBytes))
+	}
+	return nil
+}