upgrade question post time

internal/migrations/migrations.go

@@ -59,6 +59,7 @@ var migrations = []Migration{
 	NewMigration("add user pin hide features", addRolePinAndHideFeatures, true),
 	NewMigration("update accept answer rank", updateAcceptAnswerRank, true),
 	NewMigration("update user pin hide features", updateRolePinAndHideFeatures, true),
+	NewMigration("update question post time", updateQuestionPostTime, true),
 }
 
 // GetCurrentDBVersion returns the current db version

internal/migrations/v12.go

@@ -0,0 +1,33 @@
+package migrations
+
+import (
+	"fmt"
+
+	"github.com/answerdev/answer/internal/entity"
+	"github.com/segmentfault/pacman/log"
+	"xorm.io/xorm"
+)
+
+func updateQuestionPostTime(x *xorm.Engine) error {
+	questionList := make([]entity.Question, 0)
+	err := x.Find(&questionList, &entity.Question{})
+	if err != nil {
+		return fmt.Errorf("get questions failed: %w", err)
+	}
+	for _, item := range questionList {
+		if item.PostUpdateTime.IsZero() {
+			if !item.UpdatedAt.IsZero() {
+				item.PostUpdateTime = item.UpdatedAt
+			} else if !item.CreatedAt.IsZero() {
+				item.PostUpdateTime = item.CreatedAt
+			}
+			if _, err = x.Update(item, &entity.Question{ID: item.ID}); err != nil {
+				log.Errorf("update %+v config failed: %s", item, err)
+				return fmt.Errorf("update question failed: %w", err)
+			}
+		}
+
+	}
+
+	return nil
+}