add target and telegram target

features/content/binary/common/build.gradle

@@ -12,6 +12,7 @@ kotlin {
             dependencies {
                 api project(":postssystem.features.common.common")
                 api project(":postssystem.features.content.common")
+                api "dev.inmo:micro_utils.mime_types:$microutils_version"
             }
         }
     }

features/content/binary/common/src/commonMain/kotlin/dev/inmo/postssystem/features/content/binary/common/BinaryContent.kt

@@ -1,9 +1,14 @@
 package dev.inmo.postssystem.features.content.binary.common
 
+import dev.inmo.micro_utils.common.ByteArrayAllocator
+import dev.inmo.micro_utils.common.FileName
+import dev.inmo.micro_utils.mime_types.MimeType
 import dev.inmo.postssystem.features.content.common.Content
 import kotlinx.serialization.Serializable
 
 @Serializable
 data class BinaryContent(
-    val bytes: ByteArray
+    val filename: FileName,
+    val mimeType: MimeType,
+    val bytesAllocator: ByteArrayAllocator
 ) : Content

features/content/common/src/commonMain/kotlin/dev/inmo/postssystem/features/content/common/Content.kt

@@ -2,7 +2,8 @@ package dev.inmo.postssystem.features.content.common
 
 import kotlinx.serialization.Serializable
 
-typealias ContentId = String
+@Serializable
+value class ContentId(val string: String)
 
 /**
  * Content which is planned to be registered in database

features/content/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/content/server/ServerContentStorage.kt

@@ -0,0 +1,6 @@
+package dev.inmo.postssystem.features.content.server
+
+import dev.inmo.micro_utils.repos.CRUDRepo
+import dev.inmo.postssystem.features.content.common.*
+
+interface ServerContentStorage : ServerReadContentStorage, ServerWriteContentStorage, CRUDRepo<RegisteredContent, ContentId, Content>

features/content/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/content/server/ServerReadContentStorage.kt

@@ -0,0 +1,7 @@
+package dev.inmo.postssystem.features.content.server
+
+import dev.inmo.micro_utils.repos.ReadCRUDRepo
+import dev.inmo.postssystem.features.content.common.ContentId
+import dev.inmo.postssystem.features.content.common.RegisteredContent
+
+interface ServerReadContentStorage : ReadCRUDRepo<RegisteredContent, ContentId>

features/content/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/content/server/ServerWriteContentStorage.kt

@@ -0,0 +1,6 @@
+package dev.inmo.postssystem.features.content.server
+
+import dev.inmo.micro_utils.repos.WriteCRUDRepo
+import dev.inmo.postssystem.features.content.common.*
+
+interface ServerWriteContentStorage : WriteCRUDRepo<RegisteredContent, ContentId, Content>

features/publication/client/build.gradle

@@ -0,0 +1,18 @@
+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(":postssystem.features.publication.common")
+                api project(":postssystem.features.common.client")
+            }
+        }
+    }
+}

features/publication/client/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.postssystem.features.publication.client"/>

features/publication/common/build.gradle

@@ -0,0 +1,19 @@
+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(":postssystem.features.common.common")
+                api project(":postssystem.features.content.common")
+                api project(":postssystem.features.posts.common")
+            }
+        }
+    }
+}

features/publication/common/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.postssystem.features.publication.common"/>

features/publication/server/build.gradle

@@ -0,0 +1,19 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+}
+
+apply from: "$mppJavaProjectPresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api project(":postssystem.features.publication.common")
+                api project(":postssystem.features.common.server")
+                api project(":postssystem.features.content.server")
+                api project(":postssystem.features.posts.server")
+            }
+        }
+    }
+}

features/publication/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/publication/server/PublicationManager.kt

@@ -0,0 +1,33 @@
+package dev.inmo.postssystem.features.publication.server
+
+import dev.inmo.micro_utils.coroutines.asyncSafelyWithoutExceptions
+import dev.inmo.postssystem.features.content.server.ServerReadContentStorage
+import dev.inmo.postssystem.features.posts.common.PostId
+import dev.inmo.postssystem.features.posts.server.ServerReadPostsStorage
+import kotlinx.coroutines.*
+
+class PublicationManager (
+    private val targets: List<PublicationTarget>,
+    private val postsRepo: ServerReadPostsStorage,
+    private val contentRepo: ServerReadContentStorage,
+    private val scope: CoroutineScope
+) {
+    suspend fun publish(
+        postId: PostId
+    ) {
+        val post = postsRepo.getById(postId) ?: return
+        val content = post.content.map {
+            scope.async {
+                contentRepo.getById(it)
+            }
+        }.awaitAll().filterNotNull()
+
+        val publicationPost = PublicationPost(post, content)
+
+        targets.map {
+            scope.asyncSafelyWithoutExceptions {
+                it.publish(publicationPost)
+            }
+        }.awaitAll()
+    }
+}

features/publication/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/publication/server/PublicationPost.kt

@@ -0,0 +1,11 @@
+package dev.inmo.postssystem.features.publication.server
+
+import dev.inmo.postssystem.features.content.common.RegisteredContent
+import dev.inmo.postssystem.features.posts.common.RegisteredPost
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class PublicationPost(
+    val post: RegisteredPost,
+    val content: List<RegisteredContent>
+)

features/publication/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/publication/server/PublicationTarget.kt

@@ -0,0 +1,5 @@
+package dev.inmo.postssystem.features.publication.server
+
+fun interface PublicationTarget {
+    suspend fun publish(post: PublicationPost)
+}

gradle.properties

@@ -19,6 +19,8 @@ logback_version=1.2.10
 uuid_version=0.3.1
 klock_version=2.4.10
 
+tgbotapi_version=0.38.1
+
 # Server
 
 kotlin_exposed_version=0.37.2

server/build.gradle

@@ -21,6 +21,10 @@ dependencies {
     api project(":postssystem.features.content.server")
     api project(":postssystem.features.content.text.server")
     api project(":postssystem.features.content.binary.server")
+    api project(":postssystem.features.publication.server")
+
+    api project(":postssystem.targets.telegram.publication.server")
+
     api "io.ktor:ktor-server-netty:$ktor_version"
     api "io.ktor:ktor-websockets:$ktor_version"
     api "org.jetbrains.exposed:exposed-jdbc:$kotlin_exposed_version"

server/src/main/java/dev/inmo/postssystem/server/DI.kt

@@ -29,6 +29,9 @@ import dev.inmo.postssystem.features.content.binary.common.BinaryContentSerializ
 import dev.inmo.postssystem.features.content.common.ContentSerializersModuleConfigurator
 import dev.inmo.postssystem.features.content.common.OtherContentSerializerModuleConfigurator
 import dev.inmo.postssystem.features.content.text.common.TextContentSerializerModuleConfigurator
+import dev.inmo.postssystem.features.publication.server.PublicationManager
+import dev.inmo.postssystem.features.publication.server.PublicationTarget
+import dev.inmo.postssystem.targets.telegram.publication.server.PublicationTargetTelegram
 import io.ktor.application.featureOrNull
 import io.ktor.application.log
 import io.ktor.routing.Route
@@ -129,6 +132,11 @@ fun getDIModule(
         }
         singleWithBinds<RolesStorage<Role>> { RolesAggregator(getAll()) }
 
+        // Publication targets
+        singleWithRandomQualifier<PublicationTarget> { PublicationTargetTelegram(get(), get()) }
+
+        single { PublicationManager(getAll(), get(), get(), get()) }
+
         // Roles checkers
         single<RolesChecker<Role>>(StringQualifier(RolesManagerRolesChecker.key)) { RolesManagerRolesChecker }
 

settings.gradle

@@ -45,6 +45,12 @@ String[] includes = [
     ":features:posts:client",
     ":features:posts:server",
 
+    ":features:publication:common",
+    ":features:publication:client",
+    ":features:publication:server",
+
+    ":targets:telegram:publication:server",
+
     ":server",
     ":client",
 ]

targets/telegram/publication/server/build.gradle

@@ -0,0 +1,22 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+}
+
+apply from: "$mppJavaProjectPresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api project(":postssystem.features.common.server")
+                api project(":postssystem.features.publication.server")
+
+                api project(":postssystem.features.content.binary.server")
+                api project(":postssystem.features.content.text.server")
+
+                api "dev.inmo:tgbotapi:$tgbotapi_version"
+            }
+        }
+    }
+}

targets/telegram/publication/server/src/jvmMain/kotlin/dev/inmo/postssystem/targets/telegram/publication/server/PublicationTargetTelegram.kt

@@ -0,0 +1,54 @@
+package dev.inmo.postssystem.targets.telegram.publication.server
+
+import dev.inmo.micro_utils.mime_types.KnownMimeTypes
+import dev.inmo.postssystem.features.content.binary.common.BinaryContent
+import dev.inmo.postssystem.features.content.text.common.TextContent
+import dev.inmo.postssystem.features.publication.server.PublicationPost
+import dev.inmo.postssystem.features.publication.server.PublicationTarget
+import dev.inmo.tgbotapi.bot.TelegramBot
+import dev.inmo.tgbotapi.extensions.utils.shortcuts.executeUnsafe
+import dev.inmo.tgbotapi.requests.abstracts.MultipartFile
+import dev.inmo.tgbotapi.requests.abstracts.asMultipartFile
+import dev.inmo.tgbotapi.requests.send.SendTextMessage
+import dev.inmo.tgbotapi.requests.send.media.*
+import dev.inmo.tgbotapi.types.ChatId
+import dev.inmo.tgbotapi.utils.StorageFile
+import kotlinx.coroutines.delay
+
+class PublicationTargetTelegram(
+    private val bot: TelegramBot,
+    private val targetChatId: ChatId
+) : PublicationTarget {
+    override suspend fun publish(post: PublicationPost) {
+        post.content.mapNotNull {
+            val content = it.content
+            when (content) {
+                is BinaryContent -> {
+                    val storageFile by lazy {
+                        StorageFile(content.filename.name, content.bytesAllocator()).asMultipartFile()
+                    }
+                    when (content.mimeType) {
+                        is KnownMimeTypes.Image.Jpeg,
+                        is KnownMimeTypes.Image.Png -> {
+                            SendPhoto(targetChatId, storageFile)
+                        }
+                        is KnownMimeTypes.Video.Mp4 -> {
+                            SendVideo(targetChatId, storageFile)
+                        }
+                        is KnownMimeTypes.Audio.Mpeg -> {
+                            SendAudio(targetChatId, storageFile)
+                        }
+                        else -> null
+                    }
+                }
+                is TextContent -> {
+                    SendTextMessage(targetChatId, content.text)
+                }
+                else -> null
+            }
+        }.forEach { request ->
+            bot.executeUnsafe(request, 3, 1000L)
+            delay(100L)
+        }
+    }
+}