chore: import upstream snapshot with attribution

pkg/converter/user.go

@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package converter
+
+import (
+	"regexp"
+
+	"github.com/segmentfault/pacman/utils"
+)
+
+func DeleteUserDisplay(userID string) string {
+	return utils.EnShortID(StringToInt64(userID), 100)
+}
+
+func GetMentionUsernameList(text string) []string {
+	re := regexp.MustCompile(`\[@([^\]]+)\]\(/users/[^\)]+\)`)
+	matches := re.FindAllStringSubmatch(text, -1)
+
+	var usernames []string
+	for _, match := range matches {
+		if len(match) > 1 {
+			usernames = append(usernames, match[1])
+		}
+	}
+	return usernames
+}