feat: Sites feature backend

internal/infrastructure/useCases/UpdateSite.go

@@ -0,0 +1,110 @@
+package useCases
+
+import (
+	"RenewCMS/internal/domain/audit"
+	"RenewCMS/internal/domain/image"
+	"RenewCMS/internal/domain/site"
+	"context"
+)
+
+type UpdateSiteUseCase struct {
+	siteRepository  site.Repository
+	imageRepository image.Repository
+	recorder        audit.Recorder
+}
+
+func NewUpdateSiteUseCase(siteRepository site.Repository, imageRepository image.Repository, recorder audit.Recorder) *UpdateSiteUseCase {
+	return &UpdateSiteUseCase{siteRepository, imageRepository, recorder}
+}
+
+func (u *UpdateSiteUseCase) Update(ctx context.Context, id uint32, patch site.Patch) (site.Site, error) {
+	before, err := u.siteRepository.Get(id)
+	if err != nil {
+		return site.Site{}, err
+	}
+
+	event := audit.NewEvent(audit.ActionSiteEdit, audit.CategorySites)
+	event.Target = siteTarget(before)
+	after, err := u.apply(before, patch)
+	if err != nil {
+		recordFailure(ctx, u.recorder, event, err)
+		return site.Site{}, err
+	}
+
+	changes := u.changes(before, after)
+	if len(changes) == 0 {
+		return before, nil
+	}
+	saved, err := u.siteRepository.Update(after)
+	if err != nil {
+		recordFailure(ctx, u.recorder, event, err)
+		return site.Site{}, err
+	}
+	event.Target = siteTarget(saved)
+	event.Changes = changes
+	u.recorder.Record(ctx, event)
+	return saved, nil
+}
+
+func (u *UpdateSiteUseCase) apply(before site.Site, patch site.Patch) (site.Site, error) {
+	after := before
+	if patch.IsDefault != nil {
+		return site.Site{}, site.ErrUseSetDefault
+	}
+	if patch.Key != nil && *patch.Key != before.Key {
+		return site.Site{}, site.ErrKeyImmutable
+	}
+	if patch.Name != nil {
+		after.Name = *patch.Name
+	}
+	if patch.BaseURL != nil {
+		baseURL, err := site.NormalizeBaseURL(*patch.BaseURL)
+		if err != nil {
+			return site.Site{}, err
+		}
+		after.BaseURL = baseURL
+	}
+	if patch.DefaultRobots != nil {
+		after.DefaultRobots = *patch.DefaultRobots
+	}
+	if patch.Locale.Set {
+		locale, err := site.NormalizeLocale(patch.Locale.Value)
+		if err != nil {
+			return site.Site{}, err
+		}
+		after.Locale = locale
+	}
+	if patch.DefaultSocialImageID.Set {
+		if err := ensureImageExists(u.imageRepository, patch.DefaultSocialImageID.Value); err != nil {
+			return site.Site{}, err
+		}
+		after.DefaultSocialImageID = patch.DefaultSocialImageID.Value
+	}
+	return after, nil
+}
+
+func (u *UpdateSiteUseCase) changes(before site.Site, after site.Site) []audit.Change {
+	changes := []audit.Change{}
+	changes = appendTextChange(changes, audit.FieldName, before.Name, after.Name)
+	changes = appendTextChange(changes, audit.FieldBaseURL, before.BaseURL, after.BaseURL)
+	changes = appendTextChange(changes, audit.FieldDefaultRobots, before.DefaultRobots, after.DefaultRobots)
+	changes = appendTextChange(changes, audit.FieldLocale, localeLabel(before.Locale), localeLabel(after.Locale))
+	if !sameImage(before.DefaultSocialImageID, after.DefaultSocialImageID) {
+		changes = append(changes, audit.TextChange(audit.FieldSocialImage, imageLabel(u.imageRepository, before.DefaultSocialImageID), imageLabel(u.imageRepository, after.DefaultSocialImageID)))
+	}
+	return changes
+}
+
+func appendTextChange(changes []audit.Change, field string, before string, after string) []audit.Change {
+	if before == after {
+		return changes
+	}
+	return append(changes, audit.TextChange(field, before, after))
+}
+
+func sameImage(a *uint32, b *uint32) bool {
+	if a == nil || b == nil {
+		return a == b
+	}
+	return *a == *b
+}