11315fd00b
- Add EventPublisher interface in biz layer for domain event publishing - Wire EventBusPublisher (Watermill EventBus adapter) into FileUsecase, FolderUsecase, ShareUsecase - Publish events after UploadFile, DeleteFile, CreateFolder, DeleteFolder, CreateShare - Implement CQRSHandler with logging event handlers for all 6 event types - Register event handlers via CQRSBus.RegisterHandlers using Watermill EventProcessor - Store subscriber and wmLogger in CQRSBus for EventProcessor wiring - Expose SqlDB() on Data struct for Watermill SQL pub/sub - Start Watermill router in goroutine alongside Kratos app with graceful close - Use appContext wrapper struct to pass CQRSBus through Wire DI graph
55 lines
1.8 KiB
Go
55 lines
1.8 KiB
Go
package watermark
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import (
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"context"
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"github.com/go-kratos/kratos/v2/log"
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)
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// CQRSHandler holds all Watermill event handlers.
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type CQRSHandler struct {
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log *log.Helper
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}
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// NewCQRSHandler creates a new CQRSHandler.
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func NewCQRSHandler(logger log.Logger) *CQRSHandler {
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return &CQRSHandler{log: log.NewHelper(logger)}
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}
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// OnFileUploaded handles the FileUploadedEvent.
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func (h *CQRSHandler) OnFileUploaded(ctx context.Context, event *FileUploadedEvent) error {
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h.log.Infof("event: file uploaded, bucket=%s key=%s size=%d", event.BucketName, event.ObjectKey, event.Size)
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return nil
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}
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// OnFileDeleted handles the FileDeletedEvent.
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func (h *CQRSHandler) OnFileDeleted(ctx context.Context, event *FileDeletedEvent) error {
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h.log.Infof("event: file deleted, bucket=%s key=%s", event.BucketName, event.ObjectKey)
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return nil
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}
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// OnFolderCreated handles the FolderCreatedEvent.
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func (h *CQRSHandler) OnFolderCreated(ctx context.Context, event *FolderCreatedEvent) error {
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h.log.Infof("event: folder created, id=%s name=%s owner=%s", event.FolderID, event.Name, event.OwnerID)
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return nil
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}
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// OnFolderDeleted handles the FolderDeletedEvent.
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func (h *CQRSHandler) OnFolderDeleted(ctx context.Context, event *FolderDeletedEvent) error {
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h.log.Infof("event: folder deleted, id=%s owner=%s", event.FolderID, event.OwnerID)
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return nil
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}
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// OnShareCreated handles the ShareCreatedEvent.
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func (h *CQRSHandler) OnShareCreated(ctx context.Context, event *ShareCreatedEvent) error {
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h.log.Infof("event: share created, id=%s token=%s resource=%s/%s by=%s",
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event.ShareID, event.Token, event.ResourceType, event.ResourceID, event.CreatedBy)
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return nil
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}
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// OnShareDownloaded handles the ShareDownloadedEvent.
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func (h *CQRSHandler) OnShareDownloaded(ctx context.Context, event *ShareDownloadedEvent) error {
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h.log.Infof("event: share downloaded, token=%s", event.Token)
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return nil
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}
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