move code indexer related code to a new package

Author: lunny

models/models.go

@@ -254,3 +254,28 @@ func MaxBatchInsertSize(bean interface{}) int {
 func Count(bean interface{}) (int64, error) {
 	return x.Count(bean)
 }
+
+// IsTableNotEmpty returns true if table has at least one record
+func IsTableNotEmpty(tableName string) (bool, error) {
+	return x.Table(tableName).Exist()
+}
+
+// DeleteAllRecords will delete all the records of this table
+func DeleteAllRecords(tableName string) error {
+	_, err := x.Exec(fmt.Sprintf("DELETE FROM %s", tableName))
+	return err
+}
+
+// GetMaxID will return max id of the table
+func GetMaxID(tableName string) (maxID int64, err error) {
+	_, err = x.Select("MAX(id)").Table(tableName).Get(&maxID)
+	return
+}
+
+// FindByMaxID filled results as the condition from database
+func FindByMaxID(maxID int64, limit int, results interface{}) error {
+	return x.Where("id <= ?", maxID).
+		OrderBy("id DESC").
+		Limit(limit).
+		Find(results)
+}

models/repo.go

@@ -1101,10 +1101,6 @@ func MigrateRepositoryGitData(doer, u *User, repo *Repository, opts api.MigrateR
 		repo, err = CleanUpMigrateInfo(repo)
 	}
 
-	if err != nil && !repo.IsEmpty {
-		UpdateRepoIndexer(repo)
-	}
-
 	return repo, err
 }