Add audits

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/coredata/audit_order_field.go

@@ -0,0 +1,53 @@
+// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package coredata
+
+import (
+	"fmt"
+)
+
+type AuditOrderField string
+
+const (
+	AuditOrderFieldCreatedAt  AuditOrderField = "CREATED_AT"
+	AuditOrderFieldValidFrom  AuditOrderField = "VALID_FROM"
+	AuditOrderFieldValidUntil AuditOrderField = "VALID_UNTIL"
+	AuditOrderFieldState      AuditOrderField = "STATE"
+)
+
+func (p AuditOrderField) Column() string {
+	return string(p)
+}
+
+func (p AuditOrderField) String() string {
+	return string(p)
+}
+
+func (p AuditOrderField) MarshalText() ([]byte, error) {
+	return []byte(p.String()), nil
+}
+
+func (p *AuditOrderField) UnmarshalText(text []byte) error {
+	val := string(text)
+	switch val {
+	case string(AuditOrderFieldCreatedAt),
+		string(AuditOrderFieldValidFrom),
+		string(AuditOrderFieldValidUntil),
+		string(AuditOrderFieldState):
+		*p = AuditOrderField(val)
+		return nil
+	}
+	return fmt.Errorf("invalid AuditOrderField value: %q", val)
+}