add: about command

src/main/kotlin/me/notsmatch/teambot/command/AboutCommand.kt

@@ -0,0 +1,116 @@
+package me.notsmatch.tracktablebot.command
+
+import com.jagrosh.jdautilities.command.Command
+import com.jagrosh.jdautilities.command.CommandEvent
+import com.jagrosh.jdautilities.commons.JDAUtilitiesInfo
+import com.jagrosh.jdautilities.doc.standard.CommandInfo
+import com.jagrosh.jdautilities.examples.doc.Author
+import net.dv8tion.jda.api.EmbedBuilder
+import net.dv8tion.jda.api.JDAInfo
+import net.dv8tion.jda.api.Permission
+import net.dv8tion.jda.api.entities.Guild
+import org.slf4j.LoggerFactory
+import java.awt.Color
+
+@CommandInfo(name = ["ttbotabout"], description = "Gets information about the bot.")
+@Author("notsmatch")
+class AboutCommand (
+    private val color: Color,
+    val githubUrl: String,
+    vararg perms: Permission
+) :
+    Command() {
+    private var IS_AUTHOR = true
+    private var REPLACEMENT_ICON = "+"
+    private val perms: Array<Permission>
+    private var oauthLink: String? = null
+    fun setIsAuthor(value: Boolean) {
+        IS_AUTHOR = value
+    }
+
+    fun setReplacementCharacter(value: String) {
+        REPLACEMENT_ICON = value
+    }
+
+    override fun execute(event: CommandEvent) {
+        if (oauthLink == null) {
+            oauthLink = try {
+                val info = event.jda.retrieveApplicationInfo().complete()
+                if (info.isBotPublic) info.getInviteUrl(0L, *perms) else ""
+            } catch (e: Exception) {
+                val log = LoggerFactory.getLogger("OAuth2")
+                log.error("Could not generate invite link ", e)
+                ""
+            }
+        }
+        val builder = EmbedBuilder()
+        builder.setColor(if (event.guild == null) color else event.guild.selfMember.color)
+        builder.setAuthor("All about " + event.selfUser.name + "!", null, event.selfUser.avatarUrl)
+        val join =
+            !(event.client.serverInvite == null || event.client.serverInvite.isEmpty())
+        val inv = !oauthLink!!.isEmpty()
+        val invline = ((if (join) "Join my server [`here`](" + event.client
+            .serverInvite + ")" else if (inv) "Please " else "")
+                + (if (inv) (if (join) ", or " else "") + "[`invite`](" + oauthLink + ") me to your server" else "") + "!")
+        val descr =
+            StringBuilder().append("Hello! I am **").append(event.selfUser.name).append("**")
+                .append("\nType `").append(event.client.textualPrefix)
+                .append(event.client.helpWord)
+                .append("` to see my commands! ").append(if (join || inv) invline else "")
+                .append("\nGithub: ${githubUrl}")
+        builder.setDescription(descr)
+        if (event.jda.shardInfo == null) {
+            builder.addField(
+                "Stats", """${event.jda.guilds.size} servers
+1 shard""", true
+            )
+            builder.addField(
+                "Users",
+                """${event.jda.users.size} unique
+""" + event.jda.guilds.stream().mapToInt { g: Guild -> g.members.size }.sum() + " total",
+                true
+            )
+            builder.addField(
+                "Channels",
+                """${event.jda.textChannels.size} Text
+""" + event.jda
+                    .voiceChannels.size + " Voice",
+                true
+            )
+        } else {
+            builder.addField(
+                "Stats",
+                """${event.client.totalGuilds} Servers
+Shard """ + (event.jda.shardInfo
+                    .shardId + 1)
+                        + "/" + event.jda.shardInfo.shardTotal,
+                true
+            )
+            builder.addField(
+                "This shard",
+                """${event.jda.users.size} Users
+${event.jda.guilds.size} Servers""",
+                true
+            )
+            builder.addField(
+                "",
+                """${event.jda.textChannels.size} Text Channels
+""" + event.jda
+                    .voiceChannels.size + " Voice Channels",
+                true
+            )
+        }
+        builder.setFooter("Last restart", null)
+        builder.setTimestamp(event.client.startTime)
+        event.reply(builder.build())
+    }
+
+    init {
+        name = "tbotabout"
+        help = "shows info about the bot"
+        guildOnly = false
+        this.perms = perms as Array<Permission>
+        botPermissions =
+            arrayOf(Permission.MESSAGE_EMBED_LINKS)
+    }
+}