improve serializers

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/Abstracts.kt

@@ -4,51 +4,51 @@ import dev.inmo.tgbotapi.utils.internal.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import kotlinx.serialization.Serializable
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface UsernameChat : Chat {
     val username: Username?
 }
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface PrivateChat : Chat, UsernameChat {
     override val id: UserId
     val firstName: String
     val lastName: String
 }
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface PublicChat : Chat {
     val title: String
 }
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface SuperPublicChat : PublicChat, UsernameChat
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface ChannelChat : SuperPublicChat {
     override val id: ChatId
 }
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface GroupChat : PublicChat
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface SupergroupChat : GroupChat, SuperPublicChat
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface ForumChat : SupergroupChat
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface PossiblyPremiumChat : Chat {
     val isPremium: Boolean
 }
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 sealed interface AbleToAddInAttachmentMenuChat : Chat {
     val addedToAttachmentMenu: Boolean
 }
 
-@Serializable(PreviewChatSerializer::class)
+@Serializable(ChatSerializer::class)
 @ClassCastsIncluded(excludeRegex = ".*Impl")
 sealed interface Chat {
     val id: IdChatIdentifier

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/ChatSerializers.kt

@@ -56,38 +56,35 @@ object ChatSerializer : KSerializer<Chat> {
     override fun deserialize(decoder: Decoder): Chat {
         val decodedJson = JsonObject.serializer().deserialize(decoder)
 
-        val type = decodedJson[typeField] ?.jsonPrimitive ?.content ?.asChatType ?: error("Field $typeField must be presented, but absent in $decodedJson")
-        val isForum = decodedJson[isForumField] ?.jsonPrimitive ?.booleanOrNull == true
+        return try {
+            formatter.decodeFromJsonElement(ExtendedChatSerializer, decodedJson)
+        } catch (e: SerializationException) {
+            val type = decodedJson[typeField] ?.jsonPrimitive ?.content ?.asChatType ?: error("Field $typeField must be presented, but absent in $decodedJson")
+            val isForum = decodedJson[isForumField] ?.jsonPrimitive ?.booleanOrNull == true
 
-        return when (type) {
-            ChatType.PrivateChatType -> formatter.decodeFromJsonElement(PrivateChatImpl.serializer(), decodedJson)
-            ChatType.GroupChatType -> formatter.decodeFromJsonElement(GroupChatImpl.serializer(), decodedJson)
-            ChatType.SupergroupChatType -> if (isForum) {
-                formatter.decodeFromJsonElement(ForumChatImpl.serializer(), decodedJson)
-            } else {
-                formatter.decodeFromJsonElement(SupergroupChatImpl.serializer(), decodedJson)
+            when (type) {
+                ChatType.PrivateChatType -> formatter.decodeFromJsonElement(PrivateChatImpl.serializer(), decodedJson)
+                ChatType.GroupChatType -> formatter.decodeFromJsonElement(GroupChatImpl.serializer(), decodedJson)
+                ChatType.SupergroupChatType -> if (isForum) {
+                    formatter.decodeFromJsonElement(ForumChatImpl.serializer(), decodedJson)
+                } else {
+                    formatter.decodeFromJsonElement(SupergroupChatImpl.serializer(), decodedJson)
+                }
+                ChatType.ChannelChatType -> formatter.decodeFromJsonElement(ChannelChatImpl.serializer(), decodedJson)
+                is ChatType.UnknownChatType -> UnknownChatType(
+                    formatter.decodeFromJsonElement(Long.serializer(), decodedJson[chatIdField] ?: JsonPrimitive(-1)).toChatId(),
+                    decodedJson.toString(),
+                    decodedJson
+                )
             }
-            ChatType.ChannelChatType -> formatter.decodeFromJsonElement(ChannelChatImpl.serializer(), decodedJson)
-            is ChatType.UnknownChatType -> UnknownChatType(
-                formatter.decodeFromJsonElement(Long.serializer(), decodedJson[chatIdField] ?: JsonPrimitive(-1)).toChatId(),
-                decodedJson.toString(),
-                decodedJson
-            )
         }
     }
 
     override fun serialize(encoder: Encoder, value: Chat) {
         when (value) {
             is ExtendedChat -> ExtendedChatSerializer.serialize(encoder, value)
-            is PrivateChatImpl -> PrivateChatImpl.serializer().serialize(encoder, value)
-            is GroupChatImpl -> GroupChatImpl.serializer().serialize(encoder, value)
-            is SupergroupChatImpl -> SupergroupChatImpl.serializer().serialize(encoder, value)
-            is ForumChatImpl -> ForumChatImpl.serializer().serialize(encoder, value)
-            is ChannelChatImpl -> ChannelChatImpl.serializer().serialize(encoder, value)
-            is CommonBot -> CommonBot.serializer().serialize(encoder, value)
+            is PreviewChat -> PreviewChatSerializer.serialize(encoder, value)
             is ExtendedBot -> ExtendedBot.serializer().serialize(encoder, value)
-            is CommonUser -> CommonUser.serializer().serialize(encoder, value)
-            is UnknownChatType -> JsonObject.serializer().serialize(encoder, value.rawJson)
         }
     }
 }
@@ -170,6 +167,7 @@ sealed class ExtendedChatSerializer : KSerializer<ExtendedChat> {
             is ExtendedSupergroupChatImpl -> ExtendedSupergroupChatImpl.serializer().serialize(encoder, value)
             is ExtendedForumChatImpl -> ExtendedForumChatImpl.serializer().serialize(encoder, value)
             is ExtendedChannelChatImpl -> ExtendedChannelChatImpl.serializer().serialize(encoder, value)
+            is ExtendedBot -> ExtendedBot.serializer().serialize(encoder, value)
             is UnknownExtendedChat -> JsonObject.serializer().serialize(encoder, value.rawJson)
         }
     }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/Extended.kt

@@ -184,8 +184,10 @@ data class ExtendedBot(
     @SerialName(canReadAllGroupMessagesField)
     val canReadAllGroupMessages: Boolean = false,
     @SerialName(supportInlineQueriesField)
-    val supportsInlineQueries: Boolean = false
-) : Bot() {
+    val supportsInlineQueries: Boolean = false,
+    @SerialName(photoField)
+    override val chatPhoto: ChatPhoto? = null
+) : Bot(), ExtendedChat {
     @SerialName(isBotField)
     private val isBot = true
 }