first version

.gitignore

@@ -10,4 +10,5 @@ build/
 out/
 
 local.properties
+config.json
 secret.gradle

bot/build.gradle

@@ -0,0 +1,37 @@
+plugins {
+    id 'org.jetbrains.kotlin.jvm'
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "org.jetbrains.kotlin.kapt"
+    id 'application'
+}
+
+project.group="$group"
+project.version="$version"
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlin_serialisation_runtime_version"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+    implementation "org.jetbrains.exposed:exposed-jdbc:$kotlin_exposed_version"
+
+    implementation "dev.inmo:tgbotapi:$tgbotapi_version"
+    implementation "dev.inmo:micro_utils.repos.exposed:$microutils_version"
+
+    implementation "com.github.matfax.klassindex:library:$klassindex_version"
+    kapt "com.github.matfax.klassindex:processor:$klassindex_version"
+    implementation "org.xerial:sqlite-jdbc:$sqlite_version"
+
+    implementation project(":plugin")
+}
+
+application {
+    mainClassName = 'dev.inmo.plagubot.AppKt'
+}
+
+kapt {
+    arguments {
+        arg("com.github.matfax.klassindex.IndexSubclasses", "dev.inmo.plagubot.Plugin")
+    }
+}
+

bot/src/main/kotlin/dev/inmo/plagubot/App.kt

@@ -1,16 +1,20 @@
 package dev.inmo.plagubot
 
 import dev.inmo.micro_utils.coroutines.safelyWithoutExceptions
+import dev.inmo.plagubot.config.Config
+import dev.inmo.plagubot.config.configSerialFormat
 import dev.inmo.tgbotapi.extensions.api.bot.setMyCommands
 import dev.inmo.tgbotapi.extensions.api.telegramBot
 import dev.inmo.tgbotapi.extensions.utils.updates.retrieving.startGettingFlowsUpdatesByLongPolling
 import dev.inmo.tgbotapi.types.botCommandsLimit
 import kotlinx.coroutines.*
+import kotlinx.serialization.InternalSerializationApi
 import java.io.File
 
 /**
  * This method by default expects one argument in [args] field: path to config
  */
+@InternalSerializationApi
 suspend fun main(args: Array<String>) {
     val (configPath) = args
     val file = File(configPath)
@@ -37,5 +41,4 @@ suspend fun main(args: Array<String>) {
             }
         }
     }
-
 }

bot/src/main/kotlin/dev/inmo/plagubot/HelloPlugin.kt

@@ -0,0 +1,23 @@
+package dev.inmo.plagubot
+
+import dev.inmo.tgbotapi.bot.TelegramBot
+import dev.inmo.tgbotapi.updateshandlers.FlowsUpdatesFilter
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import org.jetbrains.exposed.sql.Database
+
+@Serializable
+@SerialName("Hello")
+data class HelloPlugin(
+    val parameter: String
+) : Plugin {
+    override suspend fun invoke(
+        bot: TelegramBot,
+        database: Database,
+        updatesFilter: FlowsUpdatesFilter,
+        scope: CoroutineScope
+    ) {
+        println(parameter)
+    }
+}

bot/src/main/kotlin/dev/inmo/plagubot/config/Config.kt

@@ -0,0 +1,42 @@
+package dev.inmo.plagubot.config
+
+import com.github.matfax.klassindex.KlassIndex
+import dev.inmo.plagubot.Plugin
+import kotlinx.serialization.*
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.modules.*
+import kotlin.reflect.KClass
+
+@InternalSerializationApi
+internal inline fun <T : Plugin> KClass<T>.includeIn(builder: PolymorphicModuleBuilder<Plugin>) = builder.subclass(this, serializer())
+
+@InternalSerializationApi
+internal val configSerialFormat: StringFormat
+    get() = Json {
+        ignoreUnknownKeys = true
+        serializersModule = SerializersModule {
+            polymorphic(Plugin::class) {
+                KlassIndex.getSubclasses(Plugin::class).flatMap { kclass ->
+                    kclass.includeIn(this)
+                    kclass.annotations.mapNotNull { it as? SerialName }.map {
+                        it.value to kclass.serializer()
+                    } + listOfNotNull(
+                        kclass.simpleName ?.let {
+                            it to kclass.serializer()
+                        }
+                    )
+                }.toMap().let {
+                    default { requiredType ->
+                        it[requiredType]
+                    }
+                }
+            }
+        }
+    }
+
+@Serializable
+data class Config(
+    val plugins: List<@Contextual Plugin>,
+    val database: DatabaseConfig,
+    val botToken: String
+)

bot/src/main/kotlin/dev/inmo/plagubot/config/DatabaseConfig.kt

@@ -9,7 +9,7 @@ import java.sql.Connection
 
 @Serializable
 data class DatabaseConfig(
-    val url: String,
+    val url: String = "jdbc:sqlite:file:test?mode=memory&cache=shared",
     val driver: String = JDBC::class.qualifiedName!!,
     val username: String = "",
     val password: String = "",
@@ -37,12 +37,4 @@ data class DatabaseConfig(
             database // init database
         }
     }
-
-    @Deprecated(
-        "Deprecated due to the replacement by lateinit database field with the same functionality",
-        ReplaceWith("database")
-    )
-    fun connect(): Database {
-        return database
-    }
 }

build.gradle

@@ -9,30 +9,11 @@ buildscript {
     }
 }
 
-plugins {
-    id 'org.jetbrains.kotlin.jvm' version "$kotlin_version"
-    id "org.jetbrains.kotlin.plugin.serialization" version "$kotlin_version"
-    id 'application'
-}
-
-project.group="dev.inmo"
-project.version="$version"
-
-repositories {
-    jcenter()
-    mavenCentral()
-}
-
-dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlin_serialisation_runtime_version"
-
-    implementation "dev.inmo:tgbotapi:$tgbotapi_version"
-    implementation "dev.inmo:micro_utils.repos.exposed:$microutils_version"
-    api "org.xerial:sqlite-jdbc:$sqlite_version"
-}
-
-application {
-    mainClassName = 'dev.inmo.plagubot.AppKt'
+allprojects {
+    repositories {
+        jcenter()
+        mavenCentral()
+        mavenLocal()
+        maven { url 'https://jitpack.io' }
+    }
 }

gradle.properties

@@ -7,8 +7,11 @@ kotlin.incremental=true
 kotlin_version=1.4.10
 kotlin_coroutines_version=1.4.1
 kotlin_serialisation_runtime_version=1.0.1
+kotlin_exposed_version=0.28.1
 tgbotapi_version=0.30.3
 microutils_version=0.3.2
+klassindex_version=4.1.0-rc.1
 sqlite_version=3.30.1
 
+group=dev.inmo
 version=0.0.1

plugin/build.gradle

@@ -0,0 +1,15 @@
+plugins {
+    id 'org.jetbrains.kotlin.jvm'
+    id "org.jetbrains.kotlin.plugin.serialization"
+}
+
+project.group="$group"
+project.version="$version"
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlin_serialisation_runtime_version"
+
+    implementation "dev.inmo:tgbotapi:$tgbotapi_version"
+    implementation "dev.inmo:micro_utils.repos.exposed:$microutils_version"
+}

settings.gradle

@@ -1 +1,3 @@
+include ":bot", ":plugin"
+
 rootProject.name = 'plagubot'

src/main/kotlin/dev/inmo/plagubot/Config.kt

@@ -1,19 +0,0 @@
-package dev.inmo.plagubot
-
-import dev.inmo.plagubot.config.DatabaseConfig
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.serialization.*
-import kotlinx.serialization.json.Json
-
-val configSerialFormat: StringFormat
-    get() = Json {
-        ignoreUnknownKeys = true
-    }
-
-@Serializable
-data class Config(
-    val plugins: List<@Contextual Plugin>,
-    val database: DatabaseConfig,
-    val botToken: String
-)

template.config.json

@@ -0,0 +1,16 @@
+{
+  "database": {
+    "url": "jdbc:sqlite:file:test?mode=memory&cache=shared IT IS JUST EXAMPLE",
+    "driver": "org.sqlite.JDBC",
+    "username": "OPTIONAL username",
+    "password": "OPTIONAL password",
+    "initAutomatically": false
+  },
+  "botToken": "1234567890:ABCDEFGHIJKLMNOP_qrstuvwxyz12345678",
+  "plugins": [
+    {
+      "type": "Hello",
+      "parameter": "Example"
+    }
+  ]
+}