upd store

models/version.go

@@ -0,0 +1,28 @@
+package models
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+// Version — конкретная версия документа
+type Version struct {
+	ID         uuid.UUID  `gorm:"type:char(36);primaryKey"`
+	DocumentID uuid.UUID  `gorm:"type:char(36);index"`
+	ParentID   *uuid.UUID `gorm:"type:char(36);"`
+	IsSnapshot bool
+	Patch      json.RawMessage `gorm:"type:json"` // JSON Patch или nil, если Snapshot
+	Snapshot   json.RawMessage `gorm:"type:json"` // Полный JSON, если IsSnapshot = true
+	CreatedAt  time.Time
+}
+
+func (s *Version) TableName() (res string) {
+	if SchemeName != "" {
+		res = SchemeName + ".version"
+	} else {
+		res = "version"
+	}
+	return
+}