feat: editor write path

internal/infrastructure/useCases/articleVersions.go

@@ -0,0 +1,83 @@
+package useCases
+
+import (
+	"RenewCMS/internal/domain/article"
+	"RenewCMS/internal/domain/audit"
+	"RenewCMS/internal/domain/builtintype"
+	"RenewCMS/internal/domain/language"
+	"RenewCMS/internal/domain/localization"
+	"RenewCMS/internal/domain/role"
+	"cmp"
+	"slices"
+)
+
+func (c ContentCaller) isAnonymous() bool {
+	return c.UserID == 0
+}
+
+func (c ContentCaller) capabilitiesFor(art article.Article) []string {
+	capabilities := []string{article.CapabilityRead}
+	if c.Grants.Permits(role.KeyContentUpdate, builtintype.KeyArticle, c.UserID, art.CreatedBy) {
+		capabilities = append(capabilities, article.CapabilityEdit)
+	}
+	if c.Grants.Permits(role.KeyContentPublish, builtintype.KeyArticle, c.UserID, art.CreatedBy) {
+		capabilities = append(capabilities, article.CapabilityPublish)
+	}
+	if c.Grants.Permits(role.KeyContentDelete, builtintype.KeyArticle, c.UserID, art.CreatedBy) {
+		capabilities = append(capabilities, article.CapabilityDelete)
+	}
+	if c.Grants.HoldsFor(role.KeyContentCreate, builtintype.KeyArticle) {
+		capabilities = append(capabilities, article.CapabilityCreateTranslation)
+	}
+	return capabilities
+}
+
+func (c ContentCaller) readableVersions(versions []article.Article) []article.Article {
+	readable := make([]article.Article, 0, len(versions))
+	for _, version := range versions {
+		if c.seesArticle(version) {
+			readable = append(readable, version)
+		}
+	}
+	return readable
+}
+
+func sortByCreation(versions []article.Article) []article.Article {
+	ordered := slices.Clone(versions)
+	slices.SortFunc(ordered, func(left article.Article, right article.Article) int {
+		if byTime := left.CreatedAt.Compare(right.CreatedAt); byTime != 0 {
+			return byTime
+		}
+		return cmp.Compare(left.ID, right.ID)
+	})
+	return ordered
+}
+
+func sortByLanguage(versions []article.Article, rows []localization.Row) []article.Article {
+	defaultTag := localization.DefaultTag(rows)
+	ordered := slices.Clone(versions)
+	slices.SortFunc(ordered, func(left article.Article, right article.Article) int {
+		if byTag := localization.CompareTags(defaultTag, left.Lang, right.Lang); byTag != 0 {
+			return byTag
+		}
+		return cmp.Compare(left.ID, right.ID)
+	})
+	return ordered
+}
+
+func languagesOf(versions []article.Article) []string {
+	tags := make([]string, 0, len(versions))
+	for _, version := range versions {
+		tags = append(tags, version.Lang)
+	}
+	return tags
+}
+
+func articleEvent(action string, art article.Article) audit.Event {
+	event := audit.NewEvent(action, audit.CategoryArticles)
+	event.Target = articleTarget(art)
+	if art.Lang != language.Unassigned {
+		event.Params[audit.ParamLang] = art.Lang
+	}
+	return event
+}