start add standard repo utils

postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentRepo.kt

@@ -3,8 +3,8 @@ package com.insanusmokrassar.postssystem.core.exposed
 import com.insanusmokrassar.postssystem.core.content.*
 import com.insanusmokrassar.postssystem.core.content.api.ContentRepo
 import com.insanusmokrassar.postssystem.core.exposed.content.*
-import com.insanusmokrassar.postssystem.core.utils.generateContentId
+import com.insanusmokrassar.postssystem.core.generateContentId
-import com.insanusmokrassar.postssystem.core.utils.pagination.*
+import com.insanusmokrassar.postssystem.utils.repos.pagination.*
 import com.insanusmokrassar.postssystem.exposed.commons.paginate
 import kotlinx.coroutines.channels.BroadcastChannel
 import kotlinx.coroutines.channels.Channel

postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsRepo.kt

@@ -1,10 +1,10 @@
 package com.insanusmokrassar.postssystem.core.exposed
 
 import com.insanusmokrassar.postssystem.core.content.ContentId
+import com.insanusmokrassar.postssystem.core.generatePostId
 import com.insanusmokrassar.postssystem.core.post.*
 import com.insanusmokrassar.postssystem.core.post.repo.PostsRepo
-import com.insanusmokrassar.postssystem.core.utils.generatePostId
+import com.insanusmokrassar.postssystem.utils.repos.pagination.*
-import com.insanusmokrassar.postssystem.core.utils.pagination.*
 import com.insanusmokrassar.postssystem.exposed.commons.paginate
 import com.soywiz.klock.*
 import kotlinx.coroutines.channels.BroadcastChannel

postssystem.core.publishing.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/exposed/ExposedPublishingKeysRepo.kt

@@ -5,6 +5,7 @@ import com.insanusmokrassar.postssystem.core.publishing.TriggerControlKey
 import com.insanusmokrassar.postssystem.core.publishing.repos.PublishingKeysRepo
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.transactions.experimental.newSuspendedTransaction
+import org.jetbrains.exposed.sql.transactions.transaction
 
 class ExposedPublishingKeysRepo(
     private val database: Database
@@ -14,9 +15,9 @@ class ExposedPublishingKeysRepo(
     override val primaryKey: PrimaryKey = PrimaryKey(postIdColumn, triggerControlKeyColumn)
 
     init {
-        newSuspendedTransaction(
+        transaction(
-        db = database
+            db = database
-    ) {
+        ) {
             SchemaUtils.createMissingTablesAndColumns(this@ExposedPublishingKeysRepo)
         }
     }

postssystem.core/build.gradle

@@ -42,6 +42,12 @@ kotlin {
 
                 api "com.soywiz.korlibs.klock:klock:$klockVersion"
                 api "com.benasher44:uuid:$uuidVersion"
+
+                if ((project.hasProperty('RELEASE_MODE') && project.property('RELEASE_MODE') == "true") || System.getenv('RELEASE_MODE') == "true") {
+                    api "com.insanusmokrassar:postssystem.utils.repos:$core_version"
+                } else {
+                    api project(":postssystem.utils.repos")
+                }
             }
         }
         commonTest {

postssystem.core/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/IdUtils.kt

@@ -1,10 +1,8 @@
-package com.insanusmokrassar.postssystem.core.utils
+package com.insanusmokrassar.postssystem.core
 
-import com.benasher44.uuid.uuid4
 import com.insanusmokrassar.postssystem.core.content.ContentId
 import com.insanusmokrassar.postssystem.core.post.PostId
-
+import com.insanusmokrassar.postssystem.utils.repos.generateId
-fun generateId() = uuid4().toString()
 
 fun generatePostId(): PostId = generateId()
 fun generateContentId(): ContentId = generateId()

postssystem.core/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/content/api/ReadContentRepo.kt

@@ -2,8 +2,8 @@ package com.insanusmokrassar.postssystem.core.content.api
 
 import com.insanusmokrassar.postssystem.core.content.ContentId
 import com.insanusmokrassar.postssystem.core.content.RegisteredContent
-import com.insanusmokrassar.postssystem.core.utils.pagination.Pagination
+import com.insanusmokrassar.postssystem.utils.repos.pagination.Pagination
-import com.insanusmokrassar.postssystem.core.utils.pagination.PaginationResult
+import com.insanusmokrassar.postssystem.utils.repos.pagination.PaginationResult
 
 /**
  * Simple read API by different properties of [com.insanusmokrassar.postssystem.core.content.Content].

postssystem.core/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/post/repo/ReadPostsRepo.kt

@@ -5,8 +5,8 @@ import com.insanusmokrassar.postssystem.core.post.PostId
 import com.insanusmokrassar.postssystem.core.post.RegisteredPost
 import com.insanusmokrassar.postssystem.core.utils.MAX_DATE
 import com.insanusmokrassar.postssystem.core.utils.MIN_DATE
-import com.insanusmokrassar.postssystem.core.utils.pagination.Pagination
+import com.insanusmokrassar.postssystem.utils.repos.pagination.Pagination
-import com.insanusmokrassar.postssystem.core.utils.pagination.PaginationResult
+import com.insanusmokrassar.postssystem.utils.repos.pagination.PaginationResult
 import com.soywiz.klock.DateTime
 
 /**

postssystem.core/src/commonTest/kotlin/com/insanusmokrassar/postssystem/core/api/ContentSerialization.kt

@@ -1,7 +1,7 @@
 package com.insanusmokrassar.postssystem.core.api
 
 import com.insanusmokrassar.postssystem.core.content.*
-import com.insanusmokrassar.postssystem.core.utils.generateContentId
+import com.insanusmokrassar.postssystem.core.generateContentId
 import kotlinx.serialization.json.Json
 import kotlin.test.Test
 import kotlin.test.assertEquals

postssystem.exposed.commons/src/main/kotlin/com/insanusmokrassar/postssystem/exposed/commons/QueryExtensions.kt

@@ -1,7 +1,22 @@
 package com.insanusmokrassar.postssystem.exposed.commons
 
-import com.insanusmokrassar.postssystem.core.utils.pagination.Pagination
+import com.insanusmokrassar.postssystem.utils.repos.pagination.*
-import com.insanusmokrassar.postssystem.core.utils.pagination.firstIndex
+import org.jetbrains.exposed.sql.*
-import org.jetbrains.exposed.sql.Query
 
-fun Query.paginate(pagination: Pagination) = limit(pagination.size, pagination.firstIndex.toLong())
+fun Query.paginate(with: Pagination, orderBy: Pair<Expression<*>, SortOrder>? = null) = limit(
+    with.size,
+    (if (orderBy ?.second == SortOrder.DESC) {
+        with.lastIndex
+    } else {
+        with.firstIndex
+    }).toLong()
+).let {
+    if (orderBy != null) {
+        it.orderBy(
+            orderBy.first,
+            orderBy.second
+        )
+    } else {
+        it
+    }
+}

postssystem.utils.repos.exposed/build.gradle

@@ -0,0 +1,49 @@
+buildscript {
+    repositories {
+        mavenLocal()
+        jcenter()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradle_bintray_plugin_version"
+    }
+}
+
+plugins {
+    id "org.jetbrains.kotlin.plugin.serialization" version "$kotlin_version"
+}
+
+project.version = "$core_version"
+project.group = "com.insanusmokrassar"
+
+apply plugin: "java-library"
+apply plugin: "kotlin"
+apply from: "./publish.gradle"
+
+repositories {
+    mavenLocal()
+    jcenter()
+    mavenCentral()
+    maven { url "https://kotlin.bintray.com/kotlinx" }
+}
+
+dependencies {
+    api "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    api "org.jetbrains.exposed:exposed-core:$exposed_version"
+    api "org.jetbrains.exposed:exposed-jdbc:$exposed_version"
+
+    if ((project.hasProperty('RELEASE_MODE') && project.property('RELEASE_MODE') == "true") || System.getenv('RELEASE_MODE') == "true") {
+        api "com.insanusmokrassar:postssystem.utils.repos:$core_version"
+        api "com.insanusmokrassar:postssystem.exposed.commons:$core_version"
+    } else {
+        api project(":postssystem.utils.repos")
+        api project(":postssystem.exposed.commons")
+    }
+
+    testImplementation "org.xerial:sqlite-jdbc:$test_sqlite_version"
+    testImplementation "org.jetbrains.kotlin:kotlin-test"
+    testImplementation "org.jetbrains.kotlin:kotlin-test-junit"
+}

postssystem.utils.repos.exposed/gradle.properties

@@ -0,0 +1,2 @@
+exposed_version=0.23.1
+test_sqlite_version=3.28.0

postssystem.utils.repos.exposed/maven.publish.gradle

@@ -0,0 +1,53 @@
+apply plugin: 'maven-publish'
+
+task javadocsJar(type: Jar) {
+    classifier = 'javadoc'
+}
+
+afterEvaluate {
+    project.publishing.publications.all {
+        // rename artifacts
+        groupId "${project.group}"
+        if (it.name.contains('kotlinMultiplatform')) {
+            artifactId = "${project.name}"
+        } else {
+            artifactId = "${project.name}-$name"
+        }
+    }
+}
+
+publishing {
+    publications.all {
+        artifact javadocsJar
+
+        pom {
+            description = "Common utils for all exposed modules"
+            name = "PostsSystem Exposed commons"
+            url = "https://git.insanusmokrassar.com/PostsSystem/Core/"
+
+            scm {
+                developerConnection = "scm:git:[fetch=]https://git.insanusmokrassar.com/PostsSystem/Core/.git[push=]https://git.insanusmokrassar.com/PostsSystem/Core/.git"
+                url = "https://git.insanusmokrassar.com/PostsSystem/Core/.git"
+            }
+
+            developers {
+                
+                    developer {
+                        id = "InsanusMokrassar"
+                        name = "Ovsiannikov Aleksei"
+                        email = "ovsyannikov.alexey95@gmail.com"
+                    }
+                
+            }
+
+            licenses {
+                
+                    license {
+                        name = "Apache Software License 2.0"
+                        url = "https://git.insanusmokrassar.com/PostsSystem/Core/src/master/LICENSE"
+                    }
+                
+            }
+        }
+    }
+}

postssystem.utils.repos.exposed/publish.gradle

@@ -0,0 +1,55 @@
+apply plugin: 'com.jfrog.bintray'
+
+apply from: "maven.publish.gradle"
+
+bintray {
+    user = project.hasProperty('BINTRAY_USER') ? project.property('BINTRAY_USER') : System.getenv('BINTRAY_USER')
+    key = project.hasProperty('BINTRAY_KEY') ? project.property('BINTRAY_KEY') : System.getenv('BINTRAY_KEY')
+    filesSpec {
+        from "${buildDir}/publications/"
+        eachFile {
+            String directorySubname = it.getFile().parentFile.name
+            if (it.getName() == "module.json") {
+                if (directorySubname == "kotlinMultiplatform") {
+                    it.setPath("${project.name}/${project.version}/${project.name}-${project.version}.module")
+                } else {
+                    it.setPath("${project.name}-${directorySubname}/${project.version}/${project.name}-${directorySubname}-${project.version}.module")
+                }
+            } else {
+                if (directorySubname == "kotlinMultiplatform" && it.getName() == "pom-default.xml") {
+                    it.setPath("${project.name}/${project.version}/${project.name}-${project.version}.pom")
+                } else {
+                    it.exclude()
+                }
+            }
+        }
+        into "${project.group}".replace(".", "/")
+    }
+    pkg {
+        repo = "InsanusMokrassar"
+        name = "${project.name}"
+        vcsUrl = "https://github.com/PostsSystem/PostsSystemCore"
+        licenses = ["Apache-2.0"]
+        version {
+            name = "${project.version}"
+            released = new Date()
+            vcsTag = "${project.version}"
+            gpg {
+                sign = true
+                passphrase = project.hasProperty('signing.gnupg.passphrase') ? project.property('signing.gnupg.passphrase') : System.getenv('signing.gnupg.passphrase')
+            }
+        }
+    }
+}
+
+bintrayUpload.doFirst {
+    publications = publishing.publications.collect {
+        if (it.name.contains('kotlinMultiplatform')) {
+            null
+        } else {
+            it.name
+        }
+    } - null
+}
+
+bintrayUpload.dependsOn publishToMavenLocal

postssystem.utils.repos.exposed/publish_config.kpsb

@@ -0,0 +1 @@
+{"bintrayConfig":{"repo":"InsanusMokrassar","packageName":"${project.name}","packageVcs":"https://github.com/PostsSystem/PostsSystemCore"},"licenses":[{"id":"Apache-2.0","title":"Apache Software License 2.0","url":"https://git.insanusmokrassar.com/PostsSystem/Core/src/master/LICENSE"}],"mavenConfig":{"name":"PostsSystem Exposed commons","description":"Common utils for all exposed modules","url":"https://git.insanusmokrassar.com/PostsSystem/Core/","vcsUrl":"https://git.insanusmokrassar.com/PostsSystem/Core/.git","developers":[{"id":"InsanusMokrassar","name":"Ovsiannikov Aleksei","eMail":"ovsyannikov.alexey95@gmail.com"}]},"type":"Multiplatform"}

postssystem.utils.repos.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/utils/repos/exposed/keyvalue/AbstractExposedKeyValueRepo.kt

@@ -0,0 +1,48 @@
+package com.insanusmokrassar.postssystem.utils.repos.exposed.keyvalue
+
+import com.insanusmokrassar.postssystem.utils.repos.StandardKeyValueRepo
+import kotlinx.coroutines.channels.BroadcastChannel
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.asFlow
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.transactions.transaction
+
+abstract class AbstractExposedKeyValueRepo<Key, Value>(
+    database: Database,
+    keyColumn: Column<Key>,
+    valueColumn: Column<Value>
+) : StandardKeyValueRepo<Key, Value>, AbstractExposedReadKeyValueRepo<Key, Value>(
+    database,
+    keyColumn,
+    valueColumn
+) {
+    private val onNewValueChannel = BroadcastChannel<Pair<Key, Value>>(Channel.BUFFERED)
+    private val onValueRemovedChannel = BroadcastChannel<Key>(Channel.BUFFERED)
+
+    override val onNewValue: Flow<Pair<Key, Value>> = onNewValueChannel.asFlow()
+    override val onValueRemoved: Flow<Key> = onValueRemovedChannel.asFlow()
+
+    override suspend fun set(k: Key, v: Value) {
+        transaction(database) {
+            if (select { keyColumn.eq(k) }.limit(1).any()) {
+                update({ keyColumn.eq(k) }) {
+                    it[valueColumn] = v
+                }
+            } else {
+                insert {
+                    it[keyColumn] = k
+                    it[valueColumn] = v
+                }
+            }
+        }
+        onNewValueChannel.send(k to v)
+    }
+
+    override suspend fun unset(k: Key) {
+        transaction(database) {
+            deleteWhere { keyColumn.eq(k) }
+        }
+        onValueRemovedChannel.send(k)
+    }
+}

postssystem.utils.repos.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/utils/repos/exposed/keyvalue/AbstractExposedReadKeyValueRepo.kt

@@ -0,0 +1,37 @@
+package com.insanusmokrassar.postssystem.utils.repos.exposed.keyvalue
+
+import com.insanusmokrassar.postssystem.exposed.commons.paginate
+import com.insanusmokrassar.postssystem.utils.repos.StandardReadKeyValueRepo
+import com.insanusmokrassar.postssystem.utils.repos.pagination.*
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.transactions.transaction
+
+abstract class AbstractExposedReadKeyValueRepo<Key, Value>(
+    protected val database: Database,
+    protected val keyColumn: Column<Key>,
+    protected val valueColumn: Column<Value>
+) : StandardReadKeyValueRepo<Key, Value>, Table() {
+    override val primaryKey: PrimaryKey = PrimaryKey(keyColumn, valueColumn)
+
+    override suspend fun get(k: Key): Value? = transaction(database) {
+        select { keyColumn.eq(k) }.limit(1).firstOrNull() ?.getOrNull(valueColumn)
+    }
+
+    override suspend fun contains(key: Key): Boolean = transaction(database) {
+        select { keyColumn.eq(key) }.limit(1).any()
+    }
+
+    override suspend fun count(): Long = transaction(database) { selectAll().count() }
+
+    override suspend fun keys(pagination: Pagination, reversed: Boolean): PaginationResult<Key> = transaction(database) {
+        selectAll().paginate(pagination, keyColumn to if (reversed) SortOrder.DESC else SortOrder.ASC).map {
+            it[keyColumn]
+        }
+    }.createPaginationResult(pagination, count())
+
+    override suspend fun values(pagination: Pagination, reversed: Boolean): PaginationResult<Value> = transaction(database) {
+        selectAll().paginate(pagination, keyColumn to if (reversed) SortOrder.DESC else SortOrder.ASC).map {
+            it[valueColumn]
+        }
+    }.createPaginationResult(pagination, count())
+}

postssystem.utils.repos/build.gradle

@@ -0,0 +1,79 @@
+buildscript {
+    repositories {
+        mavenLocal()
+        jcenter()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradle_bintray_plugin_version"
+    }
+}
+
+plugins {
+    id "org.jetbrains.kotlin.multiplatform" version "$kotlin_version"
+    id "org.jetbrains.kotlin.plugin.serialization" version "$kotlin_version"
+}
+
+project.version = "$core_version"
+project.group = "com.insanusmokrassar"
+
+apply from: "publish.gradle"
+
+repositories {
+    mavenLocal()
+    jcenter()
+    mavenCentral()
+    maven { url "https://kotlin.bintray.com/kotlinx" }
+}
+
+kotlin {
+    jvm()
+    js()
+
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation kotlin('stdlib')
+                api "org.jetbrains.kotlinx:kotlinx-coroutines-core-common:$kotlin_coroutines_version"
+                api "org.jetbrains.kotlinx:kotlinx-serialization-runtime-common:$kotlin_serialisation_runtime_version"
+
+                api "com.soywiz.korlibs.klock:klock:$klockVersion"
+                api "com.benasher44:uuid:$uuidVersion"
+            }
+        }
+        commonTest {
+            dependencies {
+                implementation kotlin('test-common')
+                implementation kotlin('test-annotations-common')
+            }
+        }
+        jvmMain {
+            dependencies {
+                implementation kotlin('stdlib-jdk8')
+                api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+                api "org.jetbrains.kotlinx:kotlinx-serialization-runtime:$kotlin_serialisation_runtime_version"
+            }
+        }
+        jvmTest {
+            dependencies {
+                implementation kotlin('test-junit')
+            }
+        }
+        jsMain {
+            dependencies {
+                implementation kotlin('stdlib-js')
+                api "org.jetbrains.kotlinx:kotlinx-coroutines-core-js:$kotlin_coroutines_version"
+                api "org.jetbrains.kotlinx:kotlinx-serialization-runtime-js:$kotlin_serialisation_runtime_version"
+            }
+        }
+        jsTest {
+            dependencies {
+                implementation kotlin('test-js')
+                implementation kotlin('test-junit')
+            }
+        }
+    }
+}

postssystem.utils.repos/maven.publish.gradle

@@ -0,0 +1,60 @@
+apply plugin: 'maven-publish'
+
+task javadocsJar(type: Jar) {
+    classifier = 'javadoc'
+}
+
+afterEvaluate {
+    project.publishing.publications.all {
+        // rename artifacts
+        groupId "${project.group}"
+        if (it.name.contains('kotlinMultiplatform')) {
+            artifactId = "${project.name}"
+        } else {
+            artifactId = "${project.name}-$name"
+        }
+    }
+}
+
+publishing {
+    publications.all {
+        artifact javadocsJar
+
+        pom {
+            description = "PostsSystem Core Repos utility subproject"
+            name = "PostsSystem Core Repos"
+            url = "https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore"
+
+            scm {
+                developerConnection = "scm:git:[fetch=]https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore.git[push=]https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore.git"
+                url = "https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore.git"
+            }
+
+            developers {
+                
+                    developer {
+                        id = "InsanusMokrassar"
+                        name = "Ovsiannikov Aleksei"
+                        email = "ovsyannikov.alexey95@gmail.com"
+                    }
+                
+
+                    developer {
+                        id = "mi-ast"
+                        name = "Michail Astafiev"
+                        email = "astaf65@gmail.com"
+                    }
+                
+            }
+
+            licenses {
+                
+                    license {
+                        name = "Apache Software License 2.0"
+                        url = "https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore/src/master/LICENSE"
+                    }
+                
+            }
+        }
+    }
+}

postssystem.utils.repos/publish.gradle

@@ -0,0 +1,55 @@
+apply plugin: 'com.jfrog.bintray'
+
+apply from: "maven.publish.gradle"
+
+bintray {
+    user = project.hasProperty('BINTRAY_USER') ? project.property('BINTRAY_USER') : System.getenv('BINTRAY_USER')
+    key = project.hasProperty('BINTRAY_KEY') ? project.property('BINTRAY_KEY') : System.getenv('BINTRAY_KEY')
+    filesSpec {
+        from "${buildDir}/publications/"
+        eachFile {
+            String directorySubname = it.getFile().parentFile.name
+            if (it.getName() == "module.json") {
+                if (directorySubname == "kotlinMultiplatform") {
+                    it.setPath("${project.name}/${project.version}/${project.name}-${project.version}.module")
+                } else {
+                    it.setPath("${project.name}-${directorySubname}/${project.version}/${project.name}-${directorySubname}-${project.version}.module")
+                }
+            } else {
+                if (directorySubname == "kotlinMultiplatform" && it.getName() == "pom-default.xml") {
+                    it.setPath("${project.name}/${project.version}/${project.name}-${project.version}.pom")
+                } else {
+                    it.exclude()
+                }
+            }
+        }
+        into "${project.group}".replace(".", "/")
+    }
+    pkg {
+        repo = "InsanusMokrassar"
+        name = "${project.name}"
+        vcsUrl = "https://github.com/PostsSystem/PostsSystemCore"
+        licenses = ["Apache-2.0"]
+        version {
+            name = "${project.version}"
+            released = new Date()
+            vcsTag = "${project.version}"
+            gpg {
+                sign = true
+                passphrase = project.hasProperty('signing.gnupg.passphrase') ? project.property('signing.gnupg.passphrase') : System.getenv('signing.gnupg.passphrase')
+            }
+        }
+    }
+}
+
+bintrayUpload.doFirst {
+    publications = publishing.publications.collect {
+        if (it.name.contains('kotlinMultiplatform')) {
+            null
+        } else {
+            it.name
+        }
+    } - null
+}
+
+bintrayUpload.dependsOn publishToMavenLocal

postssystem.utils.repos/publish_config.kpsb

@@ -0,0 +1 @@
+{"bintrayConfig":{"repo":"InsanusMokrassar","packageName":"${project.name}","packageVcs":"https://github.com/PostsSystem/PostsSystemCore"},"licenses":[{"id":"Apache-2.0","title":"Apache Software License 2.0","url":"https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore/src/master/LICENSE"}],"mavenConfig":{"name":"PostsSystem Core Repos","description":"PostsSystem Core Repos utility subproject","url":"https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore","vcsUrl":"https://git.insanusmokrassar.com/PostsSystem/PostsSystemCore.git","developers":[{"id":"InsanusMokrassar","name":"Ovsiannikov Aleksei","eMail":"ovsyannikov.alexey95@gmail.com"},{"id":"mi-ast","name":"Michail Astafiev","eMail":"astaf65@gmail.com"}]},"type":"Multiplatform"}

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/IdUtils.kt

@@ -0,0 +1,5 @@
+package com.insanusmokrassar.postssystem.utils.repos
+
+import com.benasher44.uuid.uuid4
+
+fun generateId() = uuid4().toString()

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/OneToManyKeyValueRepo.kt

@@ -0,0 +1,23 @@
+package com.insanusmokrassar.postssystem.utils.repos
+
+import com.insanusmokrassar.postssystem.utils.repos.pagination.Pagination
+import com.insanusmokrassar.postssystem.utils.repos.pagination.PaginationResult
+
+interface OneToManyReadKeyValueRepo<Key, Value> : Repo {
+    suspend fun get(k: Key, pagination: Pagination, reversed: Boolean = false): PaginationResult<Value>
+    suspend fun keys(pagination: Pagination, reversed: Boolean = false): PaginationResult<Key>
+    suspend fun contains(k: Key): Boolean
+    suspend fun contains(k: Key, v: Value): Boolean
+    suspend fun count(k: Key): Long
+    suspend fun count(): Long
+}
+
+interface OneToManyWriteKeyValueRepo<Key, Value> :
+    Repo {
+    suspend fun add(k: Key, v: Value)
+    suspend fun remove(k: Key, v: Value)
+    suspend fun clear(k: Key)
+}
+
+interface OneToManyKeyValueRepo<Key, Value> : OneToManyReadKeyValueRepo<Key, Value>,
+    OneToManyWriteKeyValueRepo<Key, Value>

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/Repo.kt

@@ -0,0 +1,4 @@
+package com.insanusmokrassar.postssystem.utils.repos
+
+interface Repo {
+}

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/StandardCRUDRepo.kt

@@ -0,0 +1,34 @@
+package com.insanusmokrassar.postssystem.utils.repos
+
+import com.insanusmokrassar.postssystem.utils.repos.pagination.Pagination
+import com.insanusmokrassar.postssystem.utils.repos.pagination.PaginationResult
+import kotlinx.coroutines.flow.Flow
+
+interface ReadStandardCRUDRepo<ObjectType, IdType> :
+    Repo {
+    suspend fun getByPagination(pagination: Pagination): PaginationResult<ObjectType>
+    suspend fun getById(id: IdType): ObjectType?
+    suspend fun contains(id: IdType): Boolean
+}
+
+typealias UpdatedValuePair<IdType, ValueType> = Pair<IdType, ValueType>
+val <IdType> UpdatedValuePair<IdType, *>.id
+    get() = first
+val <ValueType> UpdatedValuePair<*, ValueType>.value
+    get() = second
+
+interface WriteStandardCRUDRepo<ObjectType, IdType, InputValueType> :
+    Repo {
+    val newObjectsFlow: Flow<ObjectType>
+    val updatedObjectsFlow: Flow<ObjectType>
+    val deletedObjectsIdsFlow: Flow<IdType>
+
+    suspend fun create(vararg values: InputValueType): List<ObjectType>
+    suspend fun update(id: IdType, value: InputValueType): ObjectType?
+    suspend fun update(vararg values: UpdatedValuePair<IdType, InputValueType>): List<ObjectType>
+    suspend fun deleteById(vararg ids: IdType)
+}
+
+interface StandardCRUDRepo<ObjectType, IdType, InputValueType>
+    : ReadStandardCRUDRepo<ObjectType, IdType>,
+    WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/StandardKeyValueRepo.kt

@@ -0,0 +1,24 @@
+package com.insanusmokrassar.postssystem.utils.repos
+
+import com.insanusmokrassar.postssystem.utils.repos.pagination.Pagination
+import com.insanusmokrassar.postssystem.utils.repos.pagination.PaginationResult
+import kotlinx.coroutines.flow.Flow
+
+interface StandardReadKeyValueRepo<Key, Value> : Repo {
+    suspend fun get(k: Key): Value?
+    suspend fun values(pagination: Pagination, reversed: Boolean): PaginationResult<Value>
+    suspend fun keys(pagination: Pagination, reversed: Boolean): PaginationResult<Key>
+    suspend fun contains(key: Key): Boolean
+    suspend fun count(): Long
+}
+
+interface StandardWriteKeyValueRepo<Key, Value> : Repo {
+    val onNewValue: Flow<Pair<Key, Value>>
+    val onValueRemoved: Flow<Key>
+
+    suspend fun set(k: Key, v: Value)
+    suspend fun unset(k: Key)
+}
+
+interface StandardKeyValueRepo<Key, Value> : StandardReadKeyValueRepo<Key, Value>,
+    StandardWriteKeyValueRepo<Key, Value>

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/pagination/Pagination.kt

@@ -1,4 +1,4 @@
-package com.insanusmokrassar.postssystem.core.utils.pagination
+package com.insanusmokrassar.postssystem.utils.repos.pagination
 
 import kotlin.math.ceil
 
@@ -45,4 +45,8 @@ fun calculatePagesNumber(datasetSize: Long, pageSize: Int): Int {
 /**
  * Calculates pages count for given [datasetSize]
  */
-fun calculatePagesNumber(datasetSize: Int, pageSize: Int): Int = calculatePagesNumber(datasetSize.toLong(), pageSize)
+fun calculatePagesNumber(datasetSize: Int, pageSize: Int): Int =
+    calculatePagesNumber(
+        datasetSize.toLong(),
+        pageSize
+    )

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/pagination/PaginationResult.kt

@@ -1,4 +1,4 @@
-package com.insanusmokrassar.postssystem.core.utils.pagination
+package com.insanusmokrassar.postssystem.utils.repos.pagination
 
 import kotlinx.serialization.Serializable
 

postssystem.utils.repos/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/repos/pagination/SimplePagination.kt

@@ -1,4 +1,4 @@
-package com.insanusmokrassar.postssystem.core.utils.pagination
+package com.insanusmokrassar.postssystem.utils.repos.pagination
 
 import kotlinx.serialization.Serializable
 
@@ -8,16 +8,18 @@ const val defaultLargePageSize = 10
 const val defaultExtraLargePageSize = 15
 
 @Suppress("NOTHING_TO_INLINE", "FunctionName")
-inline fun FirstPagePagination(size: Int = defaultMediumPageSize) = SimplePagination(
+inline fun FirstPagePagination(size: Int = defaultMediumPageSize) =
-    page = 0,
+    SimplePagination(
-    size = size
+        page = 0,
-)
+        size = size
+    )
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun Pagination.nextPage() = SimplePagination(
+inline fun Pagination.nextPage() =
-    page + 1,
+    SimplePagination(
-    size
+        page + 1,
-)
+        size
+    )
 
 @Serializable
 data class SimplePagination(

settings.gradle

@@ -1,5 +1,7 @@
 rootProject.name='postssystem'
+include ':postssystem.utils.repos'
 include ':postssystem.exposed.commons'
+include ':postssystem.utils.repos.exposed'
 include ':postssystem.core'
 include ':postssystem.core.exposed'
 include ':postssystem.core.publishing'