feat: custom content types backend

internal/infrastructure/useCases/entrySupport.go

@@ -0,0 +1,29 @@
+package useCases
+
+import (
+	"RenewCMS/internal/domain/contenttype"
+	"RenewCMS/internal/domain/entry"
+)
+
+type TypedEntry struct {
+	entry.Entry
+	ContentTypeKey string
+}
+
+func typedEntry(owner contenttype.ContentType, record entry.Entry) TypedEntry {
+	record.Data = entry.Project(owner.Fields, record.Data)
+	return TypedEntry{Entry: record, ContentTypeKey: owner.Key}
+}
+
+func ensureUnique(entries entry.Repository, owner contenttype.ContentType, data map[string]any, excludeID uint32) error {
+	for _, candidate := range entry.UniqueValues(owner.Fields, data) {
+		taken, err := entries.FindByFieldValue(owner.ID, candidate.Key, candidate.Value, excludeID)
+		if err != nil {
+			return err
+		}
+		if len(taken) > 0 {
+			return entry.UniqueViolation(candidate.Key)
+		}
+	}
+	return nil
+}