update published posts repo

gradle.properties

@@ -12,14 +12,14 @@ kotlin_coroutines_version=1.4.2
 kotlin_serialisation_core_version=1.0.1
 kotlin_exposed_version=0.28.1
 
-ktor_version=1.4.2
+ktor_version=1.4.3
 klockVersion=2.0.0
 uuidVersion=0.2.3
 
 exposed_version=0.28.1
 test_sqlite_version=3.32.3.2
 
-microutils_version=0.4.7
+microutils_version=0.4.9
 
 javax_activation_version=1.1.1
 

publishing/api/src/commonMain/kotlin/dev/inmo/postssystem/core/publishing/PublishingTrigger.kt

@@ -1,14 +1,15 @@
 package dev.inmo.postssystem.core.publishing
 
+import dev.inmo.micro_utils.repos.create
 import dev.inmo.postssystem.core.post.PostId
 import dev.inmo.postssystem.core.post.RegisteredPost
 import dev.inmo.postssystem.core.post.repo.PostsRepo
-import dev.inmo.postssystem.core.publishing.repos.PublishedPostsWriteRepo
-import dev.inmo.postssystem.core.publishing.repos.PublishingKeysRepo
+import dev.inmo.postssystem.core.publishing.repos.*
 import kotlinx.coroutines.flow.*
+import kotlinx.serialization.Serializable
 
 interface PublishingTrigger {
-    val postingTriggeredFlow: SharedFlow<RegisteredPost>
+    val postingTriggeredFlow: SharedFlow<PublishedPost>
 
     suspend fun triggerPosting(
         triggerControlKey: TriggerControlKey
@@ -20,23 +21,17 @@ class BusinessPublishingTrigger(
     private val publishedPostsRepo: PublishedPostsWriteRepo,
     private val publishingKeysRepo: PublishingKeysRepo
 ) : PublishingTrigger {
-    private val _postingTriggeredFlow: MutableSharedFlow<RegisteredPost> = MutableSharedFlow()
-    override val postingTriggeredFlow: SharedFlow<RegisteredPost> = _postingTriggeredFlow.asSharedFlow()
+    private val _postingTriggeredFlow: MutableSharedFlow<PublishedPost> = MutableSharedFlow()
+    override val postingTriggeredFlow: SharedFlow<PublishedPost> = _postingTriggeredFlow.asSharedFlow()
 
     override suspend fun triggerPosting(triggerControlKey: TriggerControlKey): PostId? {
         val postId = publishingKeysRepo.getPostIdByTriggerControlKey(triggerControlKey) ?: return null
         publishingKeysRepo.unsetPostTriggerControlKey(postId)
 
         return postsRepo.getPostById(postId) ?.let { post ->
-            publishedPostsRepo.registerPublishedPost(post) ?.let { publishedPost ->
-                if (postsRepo.deletePost(postId)) {
-                    _postingTriggeredFlow.emit(post)
-                    postId
-                } else {
-                    publishedPostsRepo.unpublishPost(publishedPost.id)
-                    null
-                }
+            publishedPostsRepo.create(post).firstOrNull() ?.also {
+                _postingTriggeredFlow.emit(it)
             }
-        }
+        } ?.id
     }
 }

publishing/api/src/commonMain/kotlin/dev/inmo/postssystem/core/publishing/repos/PublishedPostsRepo.kt

@@ -1,36 +1,40 @@
 package dev.inmo.postssystem.core.publishing.repos
 
+import com.soywiz.klock.DateTime
+import dev.inmo.micro_utils.pagination.*
+import dev.inmo.micro_utils.repos.*
+import dev.inmo.postssystem.core.UnixMillis
 import dev.inmo.postssystem.core.post.PostId
 import dev.inmo.postssystem.core.post.RegisteredPost
 import dev.inmo.postssystem.core.post.repo.PostsRepo
-import dev.inmo.postssystem.core.post.repo.ReadPostsRepo
 import kotlinx.coroutines.flow.Flow
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.Transient
 
-interface PublishedPostsReadRepo : ReadPostsRepo
-interface PublishedPostsWriteRepo {
-    val postPublishedFlow: Flow<RegisteredPost>
-    val postUnpublishedFlow: Flow<RegisteredPost>
-
-    suspend fun registerPublishedPost(registeredPost: RegisteredPost): RegisteredPost?
-    suspend fun unpublishPost(postId: PostId): Boolean?
+typealias PublishedPostId = String
+@Serializable
+data class PublishedPost(
+    val id: PublishedPostId,
+    val post: RegisteredPost,
+    private val publicationTime: UnixMillis
+) {
+    @Transient
+    val publicationDateTime = DateTime(publicationTime)
 }
 
-interface PublishedPostsRepo : PublishedPostsReadRepo, PublishedPostsWriteRepo
-
-class BusinessPublishedPostsRepo(
-    private val realPostsRepoWithPublishedPosts: PostsRepo
-) : PublishedPostsRepo, ReadPostsRepo by realPostsRepoWithPublishedPosts {
-    override val postPublishedFlow: Flow<RegisteredPost>
-        get() = realPostsRepoWithPublishedPosts.postCreatedFlow
-    override val postUnpublishedFlow: Flow<RegisteredPost>
-        get() = realPostsRepoWithPublishedPosts.postDeletedFlow
-
-    override suspend fun registerPublishedPost(
-        registeredPost: RegisteredPost
-    ): RegisteredPost? = realPostsRepoWithPublishedPosts.createPost(registeredPost)
-
-    override suspend fun unpublishPost(
-        postId: PostId
-    ): Boolean? = realPostsRepoWithPublishedPosts.deletePost(postId)
-
+interface PublishedPostsReadRepo : ReadCRUDRepo<PublishedPost, PublishedPostId> {
+    suspend fun getPostPublishing(
+        postId: PostId,
+        pagination: Pagination,
+        reversed: Boolean = false
+    ): PaginationResult<PublishedPostId>
 }
+suspend inline fun PostId.isPublished(lookIn: PublishedPostsReadRepo): Boolean {
+    return lookIn.getPostPublishing(this, FirstPagePagination(1)).results.isNotEmpty()
+}
+suspend inline fun RegisteredPost.isPublished(lookIn: PublishedPostsReadRepo): Boolean {
+    return lookIn.getPostPublishing(id, FirstPagePagination(1)).results.isNotEmpty()
+}
+interface PublishedPostsWriteRepo : WriteCRUDRepo<PublishedPost, PublishedPostId, RegisteredPost>
+
+interface PublishedPostsRepo : PublishedPostsReadRepo, PublishedPostsWriteRepo, CRUDRepo<PublishedPost, PublishedPostId, RegisteredPost>

publishing/exposed/src/jvmMain/kotlin/dev/inmo/postssystem/core/publishing/exposed/ExposedPublishedPostsRepo.kt

@@ -0,0 +1,81 @@
+package dev.inmo.postssystem.core.publishing.exposed
+
+import com.soywiz.klock.DateTime
+import dev.inmo.micro_utils.coroutines.launchSynchronously
+import dev.inmo.micro_utils.pagination.*
+import dev.inmo.micro_utils.pagination.utils.reverse
+import dev.inmo.micro_utils.repos.exposed.AbstractExposedCRUDRepo
+import dev.inmo.micro_utils.repos.exposed.initTable
+import dev.inmo.postssystem.core.generateId
+import dev.inmo.postssystem.core.post.PostId
+import dev.inmo.postssystem.core.post.RegisteredPost
+import dev.inmo.postssystem.core.post.repo.ReadPostsRepo
+import dev.inmo.postssystem.core.publishing.repos.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.statements.InsertStatement
+import org.jetbrains.exposed.sql.statements.UpdateStatement
+import org.jetbrains.exposed.sql.transactions.transaction
+
+class ExposedPublishedPostsRepo(
+    override val database: Database,
+    private val postsRepo: ReadPostsRepo,
+    tableName: String = "PublishedPostsRepo",
+    private val scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) : PublishedPostsRepo,
+    AbstractExposedCRUDRepo<PublishedPost, PublishedPostId, RegisteredPost>(
+        tableName = tableName
+    ) {
+    private val idColumn = text("id")
+    private val postIdColumn = text("postId")
+    private val dateTimeColumn = double("dateTime").clientDefault {
+        DateTime.now().unixMillis
+    }
+
+    override val selectByIds: SqlExpressionBuilder.(List<PublishedPostId>) -> Op<Boolean> = { idColumn.inList(it) }
+    override val InsertStatement<Number>.asObject: PublishedPost get() = TODO()
+
+    override fun InsertStatement<Number>.asObject(value: RegisteredPost): PublishedPost = PublishedPost(
+        get(idColumn),
+        value,
+        get(dateTimeColumn)
+    )
+
+    override val selectById: SqlExpressionBuilder.(PublishedPostId) -> Op<Boolean> = { idColumn.eq(it) }
+    override val ResultRow.asObject: PublishedPost
+        get() = PublishedPost(
+            get(idColumn),
+            requireNotNull(launchSynchronously(scope) { postsRepo.getPostById(get(postIdColumn)) }) { "Post with id \"${get(postIdColumn)}\" not found" },
+            get(dateTimeColumn)
+        )
+
+    init {
+        initTable()
+    }
+
+    override fun insert(value: RegisteredPost, it: InsertStatement<Number>) {
+        it[idColumn] = generateId()
+        it[postIdColumn] = value.id
+    }
+
+    override fun update(id: PublishedPostId, value: RegisteredPost, it: UpdateStatement) {
+        it[postIdColumn] = value.id
+    }
+
+    override suspend fun getPostPublishing(
+        postId: PostId,
+        pagination: Pagination,
+        reversed: Boolean
+    ): PaginationResult<PublishedPostId> = transaction(database) {
+        val query = select { postIdColumn.eq(postId) }
+        query.paginate(pagination, postIdColumn, reversed).map {
+            it[idColumn]
+        } to query.count()
+    }.let { (results, count) ->
+        results.createPaginationResult(
+            if (reversed) pagination.reverse(count) else pagination,
+            count
+        )
+    }
+}