feat(dm): WebSocket 계약 모델을 추가한다

2026-06-18 17:41:31 +09:00
parent 0e03a1a14a
commit e76562067f
2 changed files with 283 additions and 0 deletions
--- a/app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/dm/data/DmChatSocketModels.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/dm/data/DmChatSocketModels.kt
@@ -0,0 +1,115 @@
+package kr.co.vividnext.sodalive.v2.main.chat.dm.data
+
+import androidx.annotation.Keep
+import com.google.gson.Gson
+import com.google.gson.JsonObject
+import com.google.gson.JsonSyntaxException
+import com.google.gson.annotations.SerializedName
+
+@Keep
+data class DmChatSocketEnvelope(
+    @SerializedName("type") val type: String,
+    @SerializedName("payload") val payload: JsonObject?
+)
+
+@Keep
+data class DmChatSocketRoomPayload(
+    @SerializedName("roomId") val roomId: Long
+)
+
+@Keep
+data class DmChatSocketSendTextPayload(
+    @SerializedName("roomId") val roomId: Long,
+    @SerializedName("requestId") val requestId: String,
+    @SerializedName("textMessage") val textMessage: String
+)
+
+@Keep
+data class DmChatSocketMessagePayload(
+    @SerializedName("message") val message: DmChatMessageResponse
+)
+
+@Keep
+data class DmChatSocketSendAckPayload(
+    @SerializedName("requestId") val requestId: String,
+    @SerializedName("message") val message: DmChatMessageResponse
+)
+
+@Keep
+data class DmChatSocketErrorPayload(
+    @SerializedName("requestId") val requestId: String?,
+    @SerializedName("code") val code: String?,
+    @SerializedName("message") val message: String?
+)
+
+enum class DmChatSocketClientType(val value: String) {
+    JOIN_ROOM("JOIN_ROOM"),
+    LEAVE_ROOM("LEAVE_ROOM"),
+    SEND_TEXT("SEND_TEXT"),
+    PING("PING")
+}
+
+sealed class DmChatSocketEvent {
+    data object Joined : DmChatSocketEvent()
+    data class Message(val message: DmChatMessageResponse) : DmChatSocketEvent()
+    data class SendAck(
+        val requestId: String,
+        val message: DmChatMessageResponse
+    ) : DmChatSocketEvent()
+    data class Error(
+        val requestId: String?,
+        val code: String?,
+        val message: String?
+    ) : DmChatSocketEvent()
+    data object Pong : DmChatSocketEvent()
+}
+
+class DmChatSocketParser(private val gson: Gson) {
+    fun parse(text: String): DmChatSocketEvent? = try {
+        val envelope = gson.fromJson(text, DmChatSocketEnvelope::class.java)
+        when (envelope.type) {
+            TYPE_JOINED -> DmChatSocketEvent.Joined
+            TYPE_MESSAGE -> parseMessage(envelope.payload)
+            TYPE_SEND_ACK -> parseSendAck(envelope.payload)
+            TYPE_ERROR -> parseError(envelope.payload)
+            TYPE_PONG -> DmChatSocketEvent.Pong
+            else -> null
+        }
+    } catch (e: JsonSyntaxException) {
+        null
+    } catch (e: IllegalStateException) {
+        null
+    } catch (e: NullPointerException) {
+        null
+    }
+
+    private fun parseMessage(payload: JsonObject?): DmChatSocketEvent.Message? {
+        val messagePayload = gson.fromJson(payload, DmChatSocketMessagePayload::class.java) ?: return null
+        return DmChatSocketEvent.Message(messagePayload.message)
+    }
+
+    private fun parseSendAck(payload: JsonObject?): DmChatSocketEvent.SendAck? {
+        val ackPayload = gson.fromJson(payload, DmChatSocketSendAckPayload::class.java) ?: return null
+        return DmChatSocketEvent.SendAck(
+            requestId = ackPayload.requestId,
+            message = ackPayload.message
+        )
+    }
+
+    private fun parseError(payload: JsonObject?): DmChatSocketEvent.Error? {
+        val errorPayload = gson.fromJson(payload, DmChatSocketErrorPayload::class.java) ?: return null
+        return DmChatSocketEvent.Error(
+            requestId = errorPayload.requestId,
+            code = errorPayload.code,
+            message = errorPayload.message
+        )
+    }
+
+    private companion object {
+        const val TYPE_JOINED = "JOINED"
+        const val TYPE_MESSAGE = "MESSAGE"
+        const val TYPE_SEND_ACK = "SEND_ACK"
+        const val TYPE_ERROR = "ERROR"
+        const val TYPE_PONG = "PONG"
+    }
+}