Fix "Dashboard shows deleted comments" (#1995)

models/migrations/v35.go

@@ -0,0 +1,25 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package migrations
+
+import (
+	"fmt"
+
+	"github.com/go-xorm/xorm"
+)
+
+func addCommentIDToAction(x *xorm.Engine) error {
+	// Action see models/action.go
+	type Action struct {
+		CommentID int64 `xorm:"INDEX"`
+		IsDeleted bool  `xorm:"INDEX NOT NULL DEFAULT false"`
+	}
+
+	if err := x.Sync2(new(Action)); err != nil {
+		return fmt.Errorf("Sync2: %v", err)
+	}
+
+	return nil
+}