add settings template

settings/src/jvmMain/kotlin/exposed/ExposedSettingsRepo.kt

@@ -0,0 +1,60 @@
+package dev.inmo.plaguposter.settings.exposed
+
+import dev.inmo.micro_utils.repos.KeyValueRepo
+import dev.inmo.micro_utils.repos.exposed.keyvalue.ExposedKeyValueRepo
+import dev.inmo.micro_utils.repos.mappers.withMapper
+import dev.inmo.plaguposter.settings.repo.SettingsRepo
+import dev.inmo.tgbotapi.types.ChatId
+import kotlinx.serialization.*
+import kotlinx.serialization.json.Json
+import org.jetbrains.exposed.sql.Database
+
+class ExposedSettingsRepo<T>(
+    parent: KeyValueRepo<ChatId, T>
+) : SettingsRepo<T>, KeyValueRepo<ChatId, T> by parent
+
+@OptIn(InternalSerializationApi::class)
+inline fun <reified T : Any> ExposedSettingsRepo(
+    parent: KeyValueRepo<Long, String>,
+    json: Json,
+    serializer: KSerializer<T> = T::class.serializer()
+) = ExposedSettingsRepo<T>(
+    parent.withMapper<ChatId, T, Long, String>(
+        { chatId },
+        { json.encodeToString(serializer, this) },
+        { ChatId(this) },
+        { json.decodeFromString(serializer, this) }
+    )
+)
+
+@OptIn(InternalSerializationApi::class)
+inline fun <reified T : Any> ExposedSettingsRepo(
+    database: Database,
+    json: Json,
+    serializer: KSerializer<T> = T::class.serializer(),
+    tableName: String = "settings_${T::class.simpleName!!}"
+) = ExposedSettingsRepo<T>(
+    ExposedKeyValueRepo(
+        database,
+        { long("chat_id") },
+        { text("settings") },
+        tableName
+    ),
+    json,
+    serializer
+)
+
+@OptIn(InternalSerializationApi::class)
+inline fun <reified T : Any> SettingsRepo(
+    parent: KeyValueRepo<Long, String>,
+    json: Json,
+    serializer: KSerializer<T> = T::class.serializer()
+) = ExposedSettingsRepo<T>(parent, json, serializer)
+
+@OptIn(InternalSerializationApi::class)
+inline fun <reified T : Any> SettingsRepo(
+    database: Database,
+    json: Json,
+    serializer: KSerializer<T> = T::class.serializer(),
+    tableName: String = "settings_${T::class.simpleName!!}"
+) = ExposedSettingsRepo(database, json, serializer, tableName)