add gc

common/src/commonMain/kotlin/DateTimeSerializer.kt

@@ -0,0 +1,7 @@
+package dev.inmo.plaguposter.common
+
+import com.soywiz.klock.DateTime
+import kotlinx.serialization.Serializer
+
+@Serializer(DateTime::class)
+object DateTimeSerializer

gradle/libs.versions.toml

@@ -4,8 +4,8 @@ kotlin = "1.7.10"
 kotlin-serialization = "1.4.0"
 
 plagubot = "2.3.0"
-tgbotapi = "3.2.0"
-microutils = "0.12.6"
+tgbotapi = "3.2.1"
+microutils = "0.12.11"
 kslog = "0.5.1"
 krontab = "0.8.0"
 

posts/src/commonMain/kotlin/models/Post.kt

@@ -1,5 +1,7 @@
 package dev.inmo.plaguposter.posts.models
 
+import com.soywiz.klock.DateTime
+import dev.inmo.plaguposter.common.DateTimeSerializer
 import dev.inmo.tgbotapi.types.ChatId
 import kotlinx.serialization.Serializable
 
@@ -16,5 +18,7 @@ data class NewPost(
 @Serializable
 data class RegisteredPost(
     val id: PostId,
+    @Serializable(DateTimeSerializer::class)
+    val created: DateTime,
     override val content: List<PostContentInfo>
 ) : Post

posts/src/commonMain/kotlin/repo/ReadPostsRepo.kt

@@ -1,5 +1,6 @@
 package dev.inmo.plaguposter.posts.repo
 
+import com.soywiz.klock.DateTime
 import dev.inmo.micro_utils.repos.ReadCRUDRepo
 import dev.inmo.plaguposter.posts.models.*
 import dev.inmo.tgbotapi.types.ChatId
@@ -7,4 +8,5 @@ import dev.inmo.tgbotapi.types.MessageIdentifier
 
 interface ReadPostsRepo : ReadCRUDRepo<RegisteredPost, PostId> {
     suspend fun getIdByChatAndMessage(chatId: ChatId, messageId: MessageIdentifier): PostId?
+    suspend fun getPostCreationTime(postId: PostId): DateTime?
 }

posts/src/jvmMain/kotlin/exposed/ExposedPostsRepo.kt

@@ -1,6 +1,7 @@
 package dev.inmo.plaguposter.posts.exposed
 
 import com.benasher44.uuid.uuid4
+import com.soywiz.klock.DateTime
 import dev.inmo.micro_utils.repos.KeyValuesRepo
 import dev.inmo.micro_utils.repos.exposed.AbstractExposedCRUDRepo
 import dev.inmo.micro_utils.repos.exposed.initTable
@@ -21,6 +22,9 @@ class ExposedPostsRepo(
     tableName = "posts"
 ) {
     val idColumn = text("id").clientDefault { uuid4().toString() }
+    val createdColumn = double("datetime").default(0.0).clientDefault {
+        DateTime.nowUnix()
+    }
 
     private val contentRepo by lazy {
         ExposedContentInfoRepo(
@@ -38,6 +42,7 @@ class ExposedPostsRepo(
             val id = PostId(get(idColumn))
             return RegisteredPost(
                 id,
+                DateTime(get(createdColumn)),
                 with(contentRepo) {
                     select { postIdColumn.eq(id.string) }.map {
                         it.asObject
@@ -70,6 +75,7 @@ class ExposedPostsRepo(
 
         return RegisteredPost(
             id,
+            DateTime(get(createdColumn)),
             with(contentRepo) {
                 select { postIdColumn.eq(id.string) }.map {
                     it.asObject
@@ -130,4 +136,8 @@ class ExposedPostsRepo(
             } ?.let(::PostId)
         }
     }
+
+    override suspend fun getPostCreationTime(postId: PostId): DateTime? = transaction(database) {
+        select { selectById(postId) }.limit(1).firstOrNull() ?.get(createdColumn) ?.let(::DateTime)
+    }
 }

ratings/gc/build.gradle

@@ -0,0 +1,23 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.android.library"
+}
+
+apply from: "$mppProjectWithSerializationPresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api project(":plaguposter.common")
+                api project(":plaguposter.ratings")
+                api libs.krontab
+            }
+        }
+        jvmMain {
+            dependencies {
+            }
+        }
+    }
+}

ratings/gc/src/commonMain/kotlin/PackageInfo.kt

@@ -0,0 +1 @@
+package dev.inmo.plaguposter.ratings.gc

ratings/gc/src/jvmMain/kotlin/Plugin.kt

@@ -0,0 +1,62 @@
+package dev.inmo.plaguposter.ratings.gc
+
+import com.soywiz.klock.milliseconds
+import com.soywiz.klock.seconds
+import dev.inmo.krontab.KrontabTemplate
+import dev.inmo.krontab.toSchedule
+import dev.inmo.krontab.utils.asFlow
+import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptions
+import dev.inmo.micro_utils.repos.deleteById
+import dev.inmo.micro_utils.repos.id
+import dev.inmo.plagubot.Plugin
+import dev.inmo.plaguposter.posts.repo.PostsRepo
+import dev.inmo.plaguposter.ratings.models.Rating
+import dev.inmo.plaguposter.ratings.repo.RatingsRepo
+import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
+import dev.inmo.tgbotapi.types.MilliSeconds
+import dev.inmo.tgbotapi.types.Seconds
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.*
+import org.jetbrains.exposed.sql.Database
+import org.koin.core.Koin
+import org.koin.core.module.Module
+
+object Plugin : Plugin {
+    @Serializable
+    internal data class Config(
+        val autoclear: AutoClearOptions? = null,
+        val immediateDrop: Rating? = null,
+    ) {
+        @Serializable
+        data class AutoClearOptions(
+            val rating: Rating,
+            val autoClearKrontab: KrontabTemplate,
+            val skipPostAge: Seconds? = null
+        )
+    }
+    override fun Module.setupDI(database: Database, params: JsonObject) {
+        single { get<Json>().decodeFromJsonElement(Config.serializer(), params["gc"] ?: return@single null) }
+    }
+
+    override suspend fun BehaviourContext.setupBotPlugin(koin: Koin) {
+        val ratingsRepo = koin.get<RatingsRepo>()
+        val postsRepo = koin.get<PostsRepo>()
+        val config = koin.get<Config>()
+
+        config.immediateDrop ?.let { toDrop ->
+            ratingsRepo.onNewValue.subscribeSafelyWithoutExceptions(this) {
+                postsRepo.deleteById(it.id)
+            }
+        }
+        config.autoclear ?.let { autoclear ->
+            autoclear.autoClearKrontab.toSchedule().asFlow().subscribeSafelyWithoutExceptions(scope) {
+                val dropCreatedBefore = it - (autoclear.skipPostAge ?: 0).seconds
+                ratingsRepo.getPostsWithRatingLessEq(autoclear.rating).keys.forEach {
+                    if ((postsRepo.getPostCreationTime(it) ?: return@forEach) < dropCreatedBefore) {
+                        postsRepo.deleteById(it)
+                    }
+                }
+            }
+        }
+    }
+}

ratings/gc/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.plaguposter.ratings.gc"/>

ratings/selector/src/commonMain/kotlin/models/RatingConfig.kt

@@ -17,7 +17,8 @@ import kotlin.random.Random
 data class RatingConfig(
     val min: Rating?,
     val max: Rating?,
-    val prefer: Prefer
+    val prefer: Prefer,
+    val otherwise: RatingConfig? = null
 ) {
     suspend fun select(repo: RatingsRepo, exclude: List<PostId>): PostId? {
         var reversed: Boolean = false
@@ -70,7 +71,7 @@ data class RatingConfig(
             Prefer.Max,
             Prefer.Min -> posts.firstOrNull()
             Prefer.Random -> posts.randomOrNull()
-        }
+        } ?: otherwise ?.select(repo, exclude)
     }
 
     @Serializable(Prefer.Serializer::class)

runner/build.gradle

@@ -16,6 +16,7 @@ dependencies {
     api project(":plaguposter.ratings")
     api project(":plaguposter.ratings.source")
     api project(":plaguposter.ratings.selector")
+    api project(":plaguposter.ratings.gc")
 
     api libs.psql
 }

runner/config.json

@@ -12,7 +12,8 @@
     "dev.inmo.plaguposter.ratings.Plugin",
     "dev.inmo.plaguposter.ratings.source.Plugin",
     "dev.inmo.plaguposter.ratings.selector.Plugin",
-    "dev.inmo.plaguposter.triggers.selector_with_timer.Plugin"
+    "dev.inmo.plaguposter.triggers.selector_with_timer.Plugin",
+    "dev.inmo.plaguposter.ratings.gc.Plugin"
   ],
   "posts": {
     "targetChat": 12345678,
@@ -66,5 +67,12 @@
   },
   "timer_trigger": {
     "krontab": "0 30 2/4 * *"
+  },
+  "gc": {
+    "autoclear": {
+      "rating": -2,
+      "autoClearKrontab": "0 0 0 * *",
+      "skipPostAge": 86400
+    }
   }
 }

settings.gradle

@@ -7,6 +7,7 @@ String[] includes = [
     ":ratings",
     ":ratings:source",
     ":ratings:selector",
+    ":ratings:gc",
     ":triggers:command",
     ":triggers:selector_with_timer",
 //    ":settings",