Protected delete

mongox/common/deleteone.go

@@ -2,10 +2,13 @@ package common
 
 import (
 	"github.com/mainnika/mongox-go-driver/mongox"
+	"github.com/mainnika/mongox-go-driver/mongox/base"
 	"github.com/mainnika/mongox-go-driver/mongox/errors"
 	"github.com/mainnika/mongox-go-driver/mongox/query"
+	"github.com/mongodb/mongo-go-driver/bson/primitive"
 	"github.com/mongodb/mongo-go-driver/mongo"
 	"github.com/mongodb/mongo-go-driver/mongo/options"
+	"time"
 )
 
 // DeleteOne removes a document from a database and then returns it into target
@@ -14,9 +17,23 @@ func DeleteOne(db *mongox.Database, target interface{}, filters ...interface{})
 	collection := db.GetCollectionOf(target)
 	opts := &options.FindOneAndDeleteOptions{}
 	composed := query.Compose(filters...)
+	protected := base.GetProtection(target)
 
 	opts.Sort = composed.Sorter()
 
+	if protected != nil {
+		if protected.X.IsZero() {
+			composed.And(primitive.M{"_x": primitive.M{"$exists": false}})
+			composed.And(primitive.M{"_v": primitive.M{"$exists": false}})
+		} else {
+			composed.And(primitive.M{"_x": protected.X})
+			composed.And(primitive.M{"_v": protected.V})
+		}
+
+		protected.X = primitive.NewObjectID()
+		protected.V = time.Now().Unix()
+	}
+
 	result := collection.FindOneAndDelete(db.Context(), composed.M(), opts)
 	if result.Err() != nil {
 		return errors.InternalErrorf("can't create find one and delete result: %s", result.Err())