From ed80ac3154625d52238ef3cbc295044fadb8ed70 Mon Sep 17 00:00:00 2001
From: Alessandro Jean <14254807+alessandrojean@users.noreply.github.com>
Date: Thu, 24 Aug 2023 23:04:26 -0300
Subject: [PATCH] Replace mentions with links to profiles in the release
 information (#9859)

Replace mentions with links in the release information.
---
 .../tachiyomi/data/release/GithubRelease.kt     | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/data/src/main/java/tachiyomi/data/release/GithubRelease.kt b/data/src/main/java/tachiyomi/data/release/GithubRelease.kt
index 3677dc122..94394cef0 100644
--- a/data/src/main/java/tachiyomi/data/release/GithubRelease.kt
+++ b/data/src/main/java/tachiyomi/data/release/GithubRelease.kt
@@ -21,10 +21,25 @@ data class GithubRelease(
 @Serializable
 data class GitHubAssets(@SerialName("browser_download_url") val downloadLink: String)
 
+/**
+ * Regular expression that matches a mention to a valid GitHub username, like it's
+ * done in GitHub Flavored Markdown. It follows these constraints:
+ *
+ * - Alphanumeric with single hyphens (no consecutive hyphens)
+ * - Cannot begin or end with a hyphen
+ * - Max length of 39 characters
+ *
+ * Reference: https://stackoverflow.com/a/30281147
+ */
+val gitHubUsernameMentionRegex =
+    """\B@([a-z0-9](?:-(?=[a-z0-9])|[a-z0-9]){0,38}(?<=[a-z0-9]))""".toRegex(RegexOption.IGNORE_CASE)
+
 val releaseMapper: (GithubRelease) -> Release = {
     Release(
         it.version,
-        it.info,
+        it.info.replace(gitHubUsernameMentionRegex) { mention ->
+            "[${mention.value}](https://github.com/${mention.value.substring(1)})"
+        },
         it.releaseLink,
         it.assets.map(GitHubAssets::downloadLink),
     )