feat: activity log producers

internal/infrastructure/useCases/UpdateArticle.go

@@ -1,28 +1,69 @@
 package useCases
 
-import "RenewCMS/internal/domain/article"
+import (
+	"RenewCMS/internal/domain/article"
+	"RenewCMS/internal/domain/audit"
+	"context"
+)
 
 type UpdateArticleUseCase struct {
 	articleRepository article.Repository
 	bodyRenderer      article.BodyRenderer
+	recorder          audit.Recorder
 }
 
-func NewUpdateArticleUseCase(articleRepository article.Repository, bodyRenderer article.BodyRenderer) *UpdateArticleUseCase {
-	return &UpdateArticleUseCase{articleRepository, bodyRenderer}
+func NewUpdateArticleUseCase(articleRepository article.Repository, bodyRenderer article.BodyRenderer, recorder audit.Recorder) *UpdateArticleUseCase {
+	return &UpdateArticleUseCase{articleRepository, bodyRenderer, recorder}
 }
 
-func (g *UpdateArticleUseCase) UpdateBody(id uint32, body string, format article.BodyFormat) (article.Article, error) {
+func (g *UpdateArticleUseCase) UpdateBody(ctx context.Context, id uint32, body string, format article.BodyFormat) (article.Article, error) {
+	before, err := g.articleRepository.Get(id)
+	if err != nil {
+		return article.Article{}, err
+	}
 	updated, err := g.articleRepository.UpdateBody(id, body)
 	if err != nil {
+		g.recordFailure(ctx, audit.ActionArticleEdit, before, err)
 		return article.Article{}, err
 	}
+	g.recordChange(ctx, audit.ActionArticleEdit, before, updated)
 	return renderArticle(g.bodyRenderer, updated, format)
 }
 
-func (g *UpdateArticleUseCase) UpdateIsOnline(id uint32, isOnline bool, format article.BodyFormat) (article.Article, error) {
-	updated, err := g.articleRepository.UpdateIsOnline(id, isOnline)
+func (g *UpdateArticleUseCase) UpdateIsOnline(ctx context.Context, id uint32, isOnline bool, format article.BodyFormat) (article.Article, error) {
+	before, err := g.articleRepository.Get(id)
 	if err != nil {
 		return article.Article{}, err
 	}
+	updated, err := g.articleRepository.UpdateIsOnline(id, isOnline)
+	if err != nil {
+		g.recordFailure(ctx, publishAction(isOnline), before, err)
+		return article.Article{}, err
+	}
+	g.recordChange(ctx, publishAction(isOnline), before, updated)
 	return renderArticle(g.bodyRenderer, updated, format)
 }
+
+func publishAction(isOnline bool) string {
+	if isOnline {
+		return audit.ActionArticlePublish
+	}
+	return audit.ActionArticleUnpublish
+}
+
+func (g *UpdateArticleUseCase) recordChange(ctx context.Context, action string, before article.Article, after article.Article) {
+	changes := audit.ArticleChanges(before, after)
+	if len(changes) == 0 {
+		return
+	}
+	event := audit.NewEvent(action, audit.CategoryArticles)
+	event.Target = articleTarget(after)
+	event.Changes = changes
+	g.recorder.Record(ctx, event)
+}
+
+func (g *UpdateArticleUseCase) recordFailure(ctx context.Context, action string, before article.Article, cause error) {
+	event := audit.NewEvent(action, audit.CategoryArticles)
+	event.Target = articleTarget(before)
+	recordFailure(ctx, g.recorder, event, cause)
+}