Move message classes to ferretirc.net.messages

2026-08-12 13:26:44 +01:00
parent 5d7847ee89
commit fcac3d5431
4 changed files with 79 additions and 67 deletions
@@ -0,0 +1,69 @@
+package com.shr4pnel.ferretirc.net.messages
+
+import io.ktor.network.selector.SelectorManager
+import kotlinx.coroutines.Dispatchers
+
+/**
+ * IRC Messages sent by the client
+ */
+sealed class ClientMessage(val strName: String) {
+    abstract fun toWireIntermediate(): String
+    fun toWire() = "${toWireIntermediate()}\r\n".encodeToByteArray()
+
+    companion object Util {
+        val selectorManager = SelectorManager(Dispatchers.IO)
+    }
+
+    class Ping(val token: String? = null) : ClientMessage("PING") {
+        init {
+            require(token?.isNotEmpty() ?: true) {
+                "Token to PING should be null or a non-empty string"
+            }
+        }
+
+        override fun toWireIntermediate() = "$strName ${token.orEmpty()}"
+    }
+
+    sealed class Cap : ClientMessage("CAP") {
+        val validSubcommands = listOf("LS", "LIST", "REQ", "END")
+
+        override fun toWireIntermediate() = when (this) {
+            is LS -> "CAP LS $version"
+            is REQ -> TODO()
+            is END -> "CAP END"
+            is LIST -> TODO()
+        }
+
+        class LS(val version: Int = 302) : Cap()
+        class LIST : Cap()
+        class REQ(val version: Int?) : Cap()
+        class END : Cap()
+    }
+
+    class Nick(val nickname: String) : ClientMessage("NICK") {
+        override fun toWireIntermediate() = "NICK $nickname"
+
+        init {
+            require(nickname.length < 10) { "\"$nickname\" exceeds IRCs maximum nickname length of 9" }
+            require(!nickname.startsWith(":") && !nickname.startsWith("#")) { "\"$nickname\" may not begin with : or #" } // TODO THIS SHOULD BLACKLIST ALL PREFIXES NAMED IN CHANTYPES PARAMETER
+            require(!nickname.contains(" ")) { "$nickname may not contain a space" }
+        }
+    }
+
+    class User(val username: String, val realName: String) : ClientMessage("USER") {
+        // TODO GET USERNAME INITIALISATION CHECK PARAMETERS FROM USERLEN RPL_ISUPPORT
+        init {
+            require(username.isNotEmpty()) { "Username may not be blank" }
+        }
+
+        override fun toWireIntermediate() = "USER $username 0 * :$realName"
+    }
+
+    class Pass(val password: String) : ClientMessage("PASS") {
+        override fun toWireIntermediate() = "PASS $password"
+    }
+
+    class UNIMPLEMENTED() : ClientMessage("") {
+        override fun toWireIntermediate() = ""
+    }
+}