Release v4.9

.github/CODEOWNERS

@@ -1 +1 @@
-* @Together-Java/moderators @Together-Java/maintainers
+* @Together-Java/maintainers

.github/workflows/basic-checks.yml

@@ -3,7 +3,7 @@ name: Basic checks
 on: [pull_request]
 
 env:
-  JAVA_VERSION: 20
+  JAVA_VERSION: 21
 
 jobs:
   spotless:

.github/workflows/code-analysis.yml

@@ -8,7 +8,7 @@ on:
     - cron: '0 20 * * 4'
 
 env:
-  JAVA_VERSION: 20
+  JAVA_VERSION: 21
 
 jobs:
   sonar:

.github/workflows/docker-publish.yaml

@@ -7,7 +7,7 @@ on:
       - 'master'
 
 env:
-  JAVA_VERSION: 20
+  JAVA_VERSION: 21
 
 jobs:
   docker:

.github/workflows/docker-verify.yaml

@@ -3,7 +3,7 @@ name: Docker Verify
 on: [pull_request]
 
 env:
-  JAVA_VERSION: 20
+  JAVA_VERSION: 21
 
 jobs:
   docker:

.github/workflows/releases.yaml

@@ -10,7 +10,7 @@ defaults:
     shell: bash
 
 env:
-  JAVA_VERSION: 20
+  JAVA_VERSION: 21
 
 jobs:
 

README.md

@@ -1,7 +1,7 @@
 # TJ-Bot
 
 [![codefactor](https://img.shields.io/codefactor/grade/github/together-java/tj-bot)](https://www.codefactor.io/repository/github/together-java/tj-bot)
-![Java](https://img.shields.io/badge/Java-20-ff696c)
+![Java](https://img.shields.io/badge/Java-21-ff696c)
 [![license](https://img.shields.io/github/license/Together-Java/TJ-Bot)](https://github.com/Together-Java/TJ-Bot/blob/master/LICENSE)
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/Together-Java/TJ-Bot?label=release)
 

application/build.gradle

@@ -1,13 +1,13 @@
 buildscript {
     dependencies {
-        classpath 'org.xerial:sqlite-jdbc:3.44.0.0'
+        classpath 'org.xerial:sqlite-jdbc:3.45.0.0'
     }
 }
 
 plugins {
     id 'application'
     id 'com.google.cloud.tools.jib' version '3.4.0'
-    id 'com.github.johnrengelman.shadow' version '8.1.0'
+    id 'com.github.johnrengelman.shadow' version '8.1.1'
     id 'database-settings'
 }
 
@@ -18,7 +18,7 @@ repositories {
 var outputImage = 'togetherjava.org:5001/togetherjava/tjbot:' + System.getenv('BRANCH_NAME') ?: 'latest'
 
 jib {
-    from.image = 'eclipse-temurin:20'
+    from.image = 'eclipse-temurin:21'
     to {
         image = outputImage
         auth {
@@ -46,9 +46,9 @@ dependencies {
     implementation project(':utils')
     implementation project(':formatter')
 
-    implementation 'net.dv8tion:JDA:5.0.0-alpha.20'
+    implementation 'net.dv8tion:JDA:5.0.0-beta.21'
 
-    implementation 'org.apache.logging.log4j:log4j-core:2.22.0'
+    implementation 'org.apache.logging.log4j:log4j-core:2.23.0'
     runtimeOnly 'org.apache.logging.log4j:log4j-slf4j18-impl:2.18.0'
 
     implementation 'club.minnced:discord-webhooks:0.8.2'
@@ -57,7 +57,7 @@ dependencies {
 
     implementation 'io.mikael:urlbuilder:2.0.9'
 
-    implementation 'org.jsoup:jsoup:1.16.1'
+    implementation 'org.jsoup:jsoup:1.17.1'
 
     implementation 'org.scilab.forge:jlatexmath:1.0.7'
     implementation 'org.scilab.forge:jlatexmath-font-greek:1.0.7'
@@ -67,18 +67,20 @@ dependencies {
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jacksonVersion"
     implementation "com.fasterxml.jackson.dataformat:jackson-dataformat-xml:$jacksonVersion"
     implementation "com.fasterxml.jackson.core:jackson-databind:$jacksonVersion"
+    implementation "com.sigpwned:jackson-modules-java17-sealed-classes:0.0.0"
 
 	implementation 'com.github.freva:ascii-table:1.8.0'
 
     implementation 'io.github.url-detector:url-detector:0.1.23'
 
     implementation 'com.github.ben-manes.caffeine:caffeine:3.1.1'
 
-    implementation 'org.kohsuke:github-api:1.317'
+    implementation 'org.kohsuke:github-api:1.319'
 
-    testImplementation 'org.mockito:mockito-core:5.3.1'
+    testImplementation 'org.mockito:mockito-core:5.10.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-params:5.10.0'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.10.0'
 
     implementation "com.theokanning.openai-gpt3-java:api:$chatGPTVersion"

application/config.json.template

@@ -1,6 +1,6 @@
 {
     "token": "<put_your_token_here>",
-    "gistApiKey": "<your_gist_personal_access_token>",
+    "githubApiKey": "<your_github_personal_access_token>",
     "databasePath": "local-database.db",
     "projectWebsite": "https://github.com/Together-Java/TJ-Bot",
     "discordGuildInvite": "https://discord.com/invite/XXFUXzK",
@@ -86,6 +86,8 @@
         "wsf",
         "wsh"
     ],
+    "githubReferencingEnabledChannelPattern": "server-suggestions|tjbot-discussion|modernjava-discussion",
+    "githubRepositories": [403389278,587644974,601602394],
     "logInfoChannelWebhook": "<put_your_webhook_here>",
     "logErrorChannelWebhook": "<put_your_webhook_here>",
     "openaiApiKey": "<check pins in #tjbot_discussion for the key>",
@@ -108,5 +110,6 @@
         "special": [
         ]
     },
+    "memberCountCategoryPattern": "Info",
     "selectRolesChannelPattern": "select-your-roles"
 }

application/src/main/java/org/togetherjava/tjbot/commands/github/GitHubCommand.java

@@ -0,0 +1,136 @@
+package org.togetherjava.tjbot.commands.github;
+
+import net.dv8tion.jda.api.events.interaction.command.CommandAutoCompleteInteractionEvent;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.OptionType;
+import org.kohsuke.github.GHIssue;
+import org.kohsuke.github.GHIssueState;
+
+import org.togetherjava.tjbot.features.CommandVisibility;
+import org.togetherjava.tjbot.features.SlashCommandAdapter;
+import org.togetherjava.tjbot.features.utils.StringDistances;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.*;
+import java.util.function.ToIntFunction;
+import java.util.regex.Matcher;
+import java.util.stream.Stream;
+
+/**
+ * Slash command (/github-search) used to search for an issue in one of the repositories listed in
+ * the config. It also auto suggests issues/PRs on trigger.
+ */
+public final class GitHubCommand extends SlashCommandAdapter {
+    private static final Duration CACHE_EXPIRES_AFTER = Duration.ofMinutes(1);
+
+    /**
+     * Compares two GitHub Issues ascending by the time they have been updated at.
+     */
+    private static final Comparator<GHIssue> GITHUB_ISSUE_TIME_COMPARATOR = (i1, i2) -> {
+        try {
+            return i2.getUpdatedAt().compareTo(i1.getUpdatedAt());
+        } catch (IOException ex) {
+            throw new UncheckedIOException(ex);
+        }
+    };
+
+    private static final String TITLE_OPTION = "title";
+
+    private final GitHubReference reference;
+
+    private Instant lastCacheUpdate;
+    private List<String> autocompleteGHIssueCache;
+
+    /**
+     * Constructs an instance of GitHubCommand.
+     *
+     * This constructor initializes a new GitHubCommand with the specified GitHubReference. It also
+     * sets the command name to "github-search" and the command description to "Search configured
+     * GitHub repositories for an issue/pull request".
+     *
+     * @param reference The GitHubReference used for searching issue/pull request in configured
+     *        repositories.
+     */
+    public GitHubCommand(GitHubReference reference) {
+        super("github-search", "Search configured GitHub repositories for an issue/pull request",
+                CommandVisibility.GUILD);
+
+        this.reference = reference;
+
+        getData().addOption(OptionType.STRING, TITLE_OPTION,
+                "Title of the issue you're looking for", true, true);
+
+        updateCache();
+    }
+
+    @Override
+    public void onSlashCommand(SlashCommandInteractionEvent event) {
+        String titleOption = event.getOption(TITLE_OPTION).getAsString();
+        Matcher matcher = GitHubReference.ISSUE_REFERENCE_PATTERN.matcher(titleOption);
+
+        if (!matcher.find()) {
+            event.reply(
+                    "Could not parse your query. Was not able to find an issue number in it (e.g. #207).")
+                .setEphemeral(true)
+                .queue();
+
+            return;
+        }
+
+        int issueId = Integer.parseInt(matcher.group(GitHubReference.ID_GROUP));
+        // extracting issue title from "[#10] add more stuff"
+        String[] issueData = titleOption.split(" ", 2);
+        String targetIssueTitle = issueData[1];
+
+        reference.findIssue(issueId, targetIssueTitle)
+            .ifPresentOrElse(issue -> event.replyEmbeds(reference.generateReply(issue)).queue(),
+                    () -> event.reply("Could not find the issue you are looking for.")
+                        .setEphemeral(true)
+                        .queue());
+    }
+
+    @Override
+    public void onAutoComplete(CommandAutoCompleteInteractionEvent event) {
+        String title = event.getOption(TITLE_OPTION).getAsString();
+
+        if (title.isEmpty()) {
+            event.replyChoiceStrings(autocompleteGHIssueCache.stream().limit(25).toList()).queue();
+        } else {
+            Queue<String> closestSuggestions =
+                    new PriorityQueue<>(Comparator.comparingInt(suggestionScorer(title)));
+
+            closestSuggestions.addAll(autocompleteGHIssueCache);
+
+            List<String> choices = Stream.generate(closestSuggestions::poll).limit(25).toList();
+            event.replyChoiceStrings(choices).queue();
+        }
+
+        if (lastCacheUpdate.isAfter(Instant.now().minus(CACHE_EXPIRES_AFTER))) {
+            updateCache();
+        }
+    }
+
+    private ToIntFunction<String> suggestionScorer(String title) {
+        // Remove the ID [#123] and then match
+        return s -> StringDistances.editDistance(title, s.replaceFirst("\\[#\\d+] ", ""));
+    }
+
+    private void updateCache() {
+        autocompleteGHIssueCache = reference.getRepositories().stream().map(repo -> {
+            try {
+                return repo.getIssues(GHIssueState.ALL);
+            } catch (IOException ex) {
+                throw new UncheckedIOException(ex);
+            }
+        })
+            .flatMap(List::stream)
+            .sorted(GITHUB_ISSUE_TIME_COMPARATOR)
+            .map(issue -> "[#%d] %s".formatted(issue.getNumber(), issue.getTitle()))
+            .toList();
+
+        lastCacheUpdate = Instant.now();
+    }
+}