chore: import upstream snapshot with attribution

pkg/display/url.go

@@ -0,0 +1,65 @@
+/*
+ * 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 display
+
+import (
+	"github.com/apache/answer/internal/base/constant"
+	"github.com/apache/answer/pkg/htmltext"
+	"github.com/apache/answer/pkg/uid"
+)
+
+// QuestionURL get question url
+func QuestionURL(permalink int, siteUrl, questionID, title string) string {
+	u := siteUrl + "/questions"
+	if permalink == constant.PermalinkQuestionIDAndTitle || permalink == constant.PermalinkQuestionID {
+		questionID = uid.DeShortID(questionID)
+	} else {
+		questionID = uid.EnShortID(questionID)
+	}
+	u += "/" + questionID
+	if permalink == constant.PermalinkQuestionIDAndTitle || permalink == constant.PermalinkQuestionIDAndTitleByShortID {
+		u += "/" + htmltext.UrlTitle(title)
+	}
+	return u
+}
+
+// AnswerURL get answer url
+func AnswerURL(permalink int, siteUrl, questionID, title, answerID string) string {
+	if permalink == constant.PermalinkQuestionIDAndTitle ||
+		permalink == constant.PermalinkQuestionID {
+		answerID = uid.DeShortID(answerID)
+	} else {
+		answerID = uid.EnShortID(answerID)
+	}
+	return QuestionURL(permalink, siteUrl, questionID, title) + "/" + answerID
+}
+
+// CommentURL get comment url
+func CommentURL(permalink int, siteUrl, questionID, title, answerID, commentID string) string {
+	if len(answerID) > 0 {
+		return AnswerURL(permalink, siteUrl, questionID, answerID, title) + "?commentId=" + commentID
+	}
+	return QuestionURL(permalink, siteUrl, questionID, title) + "?commentId=" + commentID
+}
+
+// UserURL get user url
+func UserURL(siteUrl, username string) string {
+	return siteUrl + "/users/" + username
+}