add checklist

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt

@@ -310,6 +310,9 @@ const val iconColorField = "icon_color"
 const val emojiListField = "emoji_list"
 const val completedByUserField = "completed_by_user"
 const val completionDateField = "completion_date"
+const val titleEntitiesField = "title_entities"
+const val othersCanAddTasksField = "others_can_add_tasks"
+const val othersCanMarkTasksAsDoneField = "others_can_mark_tasks_as_done"
 
 const val requestContactField = "request_contact"
 const val requestLocationField = "request_location"

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/checklists/Checklist.kt

@@ -0,0 +1,62 @@
+package dev.inmo.tgbotapi.types.checklists
+
+import dev.inmo.tgbotapi.types.message.RawMessageEntity
+import dev.inmo.tgbotapi.types.message.asTextSources
+import dev.inmo.tgbotapi.types.message.textsources.TextSource
+import dev.inmo.tgbotapi.types.message.toRawMessageEntities
+import dev.inmo.tgbotapi.utils.extensions.makeSourceString
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+@Serializable(Checklist.Companion::class)
+data class Checklist(
+    val titleTextSources: List<TextSource>,
+    val tasks: List<ChecklistTask>,
+    val othersCanAddTasks: Boolean = false,
+    val othersCanCompleteTasks: Boolean = false,
+) {
+    val title: String by lazy {
+        titleTextSources.makeSourceString()
+    }
+
+    companion object : KSerializer<Checklist> {
+        @Serializable
+        private class RawChecklist(
+            val title: String,
+            val title_entities: List<RawMessageEntity> = emptyList(),
+            val tasks: List<ChecklistTask>,
+            val others_can_add_tasks: Boolean = false,
+            val others_can_mark_tasks_as_done: Boolean = false,
+        )
+        override val descriptor: SerialDescriptor = RawChecklist.serializer().descriptor
+
+        override fun serialize(
+            encoder: Encoder,
+            value: Checklist
+        ) {
+            RawChecklist.serializer().serialize(
+                encoder,
+                RawChecklist(
+                    title = value.title,
+                    title_entities = value.titleTextSources.toRawMessageEntities(),
+                    tasks = value.tasks,
+                    others_can_add_tasks = value.othersCanAddTasks,
+                    others_can_mark_tasks_as_done = value.othersCanCompleteTasks,
+                )
+            )
+        }
+
+        override fun deserialize(decoder: Decoder): Checklist {
+            val raw = RawChecklist.serializer().deserialize(decoder)
+            return Checklist(
+                titleTextSources = raw.title_entities.asTextSources(raw.title),
+                tasks = raw.tasks,
+                othersCanAddTasks = raw.others_can_add_tasks,
+                othersCanCompleteTasks = raw.others_can_mark_tasks_as_done
+            )
+        }
+    }
+}