Upgrade to Kotlin 1.3.70 + other dependencies (Coroutinse, Serialization, Spring Boot)

Major refactoring of build architecture.

13 files changed, 1471 insertions, 146 deletions

diff --git a/kvision-modules/kvision-common-remote/build.gradle b/kvision-modules/kvision-common-remote/build.gradle
deleted file mode 100644
index af3703e6..00000000
--- a/kvision-modules/kvision-common-remote/build.gradle
+++ /dev/null
@@ -1,10 +0,0 @@
-apply plugin: 'kotlin-platform-common'
-apply plugin: 'kotlinx-serialization'
-
-dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-common:$kotlinVersion"
-    compile "org.jetbrains.kotlinx:kotlinx-serialization-runtime-common:$serializationVersion"
-    compile "org.jetbrains.kotlinx:kotlinx-coroutines-core-common:$coroutinesVersion"
-    testCompile "org.jetbrains.kotlin:kotlin-test-common:$kotlinVersion"
-    testCompile "org.jetbrains.kotlin:kotlin-test-annotations-common:$kotlinVersion"
-}
diff --git a/kvision-modules/kvision-common-remote/build.gradle.kts b/kvision-modules/kvision-common-remote/build.gradle.kts
new file mode 100644
index 00000000..a7daa88e
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/build.gradle.kts
@@ -0,0 +1,57 @@
+buildscript {
+    extra.set("production", (findProperty("prod") ?: findProperty("production") ?: "false") == "true")
+}
+
+plugins {
+    kotlin("multiplatform")
+    id("kotlinx-serialization")
+    id("maven-publish")
+}
+
+repositories()
+
+// Versions
+val serializationVersion: String by project
+val coroutinesVersion: String by project
+val jacksonModuleKotlinVersion: String by project
+val jqueryKotlinVersion: String by project
+
+kotlin {
+    kotlinJsTargets()
+    kotlinJvmTargets()
+    sourceSets {
+        val commonMain by getting {
+            dependencies {
+                implementation(kotlin("stdlib-common"))
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime-common:$serializationVersion")
+                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core-common:$coroutinesVersion")
+            }
+        }
+        val jsMain by getting {
+            dependencies {
+                implementation(kotlin("stdlib-js"))
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime-js:$serializationVersion")
+                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core-js:$coroutinesVersion")
+                implementation("pl.treksoft:jquery-kotlin:$jqueryKotlinVersion")
+            }
+        }
+        val jvmMain by getting {
+            dependencies {
+                implementation(kotlin("stdlib"))
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime:$serializationVersion")
+                implementation("com.fasterxml.jackson.module:jackson-module-kotlin:$jacksonModuleKotlinVersion")
+            }
+        }
+    }
+}
+
+publishing {
+    publications.withType<MavenPublication> {
+        if (name == "kotlinMultiplatform") artifactId = "kvision-common-remote"
+        pom {
+            defaultPom()
+        }
+    }
+}
+
+setupPublication()
diff --git a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/JsonRpc.kt b/kvision-modules/kvision-common-remote/src/commonMain/kotlin/pl/treksoft/kvision/remote/JsonRpc.kt
index d82189a0..d82189a0 100644
--- a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/JsonRpc.kt
+++ b/kvision-modules/kvision-common-remote/src/commonMain/kotlin/pl/treksoft/kvision/remote/JsonRpc.kt
diff --git a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/Annotations.kt b/kvision-modules/kvision-common-remote/src/commonMain/kotlin/pl/treksoft/kvision/remote/KVServiceMgr.kt
index 3fb82d2e..2d68f1d0 100644
--- a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/Annotations.kt
+++ b/kvision-modules/kvision-common-remote/src/commonMain/kotlin/pl/treksoft/kvision/remote/KVServiceMgr.kt
@@ -19,12 +19,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-package pl.treksoft.kvision.remote
 
-@UseExperimental(ExperimentalMultiplatform::class)
-@OptionalExpectation
-expect annotation class Id()
+package pl.treksoft.kvision.remote
 
-@UseExperimental(ExperimentalMultiplatform::class)
-@OptionalExpectation
-expect annotation class Transient()
+@Suppress("unused")
+interface KVServiceMgr<T : Any> {
+    fun getCalls(): Map<String, Pair<String, HttpMethod>>
+}
diff --git a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/RemoteTypes.kt b/kvision-modules/kvision-common-remote/src/commonMain/kotlin/pl/treksoft/kvision/remote/RemoteTypes.kt
index 62b2354b..d96aa30c 100644
--- a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/RemoteTypes.kt
+++ b/kvision-modules/kvision-common-remote/src/commonMain/kotlin/pl/treksoft/kvision/remote/RemoteTypes.kt
@@ -23,6 +23,14 @@ package pl.treksoft.kvision.remote
 
 import kotlinx.serialization.Serializable
 
+enum class HttpMethod {
+    GET,
+    POST,
+    PUT,
+    DELETE,
+    OPTIONS
+}
+
 class ServiceException(message: String) : Exception(message)
 
 @Serializable
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/CallAgent.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/CallAgent.kt
new file mode 100644
index 00000000..6c1e629c
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/CallAgent.kt
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision.remote
+
+import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.serialization.stringify
+import org.w3c.dom.get
+import pl.treksoft.jquery.JQueryAjaxSettings
+import pl.treksoft.jquery.JQueryXHR
+import pl.treksoft.jquery.jQuery
+import kotlin.browser.window
+import kotlin.js.Promise
+import kotlin.js.JSON as NativeJSON
+
+/**
+ * HTTP status unauthorized (401).
+ */
+const val HTTP_UNAUTHORIZED = 401
+
+/**
+ * An agent responsible for remote calls.
+ */
+open class CallAgent {
+
+    private val kvUrlPrefix = window["kv_remote_url_prefix"]
+    private val urlPrefix: String = if (kvUrlPrefix != undefined) kvUrlPrefix else ""
+    private var counter = 1
+
+    /**
+     * Makes an JSON-RPC call to the remote server.
+     * @param url an URL address
+     * @param data data to be sent
+     * @param method a HTTP method
+     * @return a promise of the result
+     */
+    @OptIn(ImplicitReflectionSerializer::class)
+    @Suppress("UnsafeCastFromDynamic", "ComplexMethod")
+    fun jsonRpcCall(
+        url: String,
+        data: List<String?> = listOf(),
+        method: HttpMethod = HttpMethod.POST
+    ): Promise<String> {
+        val jsonRpcRequest = JsonRpcRequest(counter++, url, data)
+        val jsonData = if (method == HttpMethod.GET) {
+            obj { id = jsonRpcRequest.id }
+        } else {
+            JSON.plain.stringify(jsonRpcRequest)
+        }
+        return Promise { resolve, reject ->
+            jQuery.ajax(urlPrefix + url, obj {
+                this.contentType = "application/json"
+                this.data = jsonData
+                this.method = method.name
+                this.success =
+                    { data: dynamic, _: Any, _: Any ->
+                        when {
+                            data.id != jsonRpcRequest.id -> reject(Exception("Invalid response ID"))
+                            data.error != null -> {
+                                if (data.exceptionType == "pl.treksoft.kvision.remote.ServiceException") {
+                                    reject(ServiceException(data.error.toString()))
+                                } else {
+                                    reject(Exception(data.error.toString()))
+                                }
+                            }
+                            data.result != null -> resolve(data.result)
+                            else -> reject(Exception("Invalid response"))
+                        }
+                    }
+                this.error =
+                    { xhr: JQueryXHR, _: String, errorText: String ->
+                        val message = if (xhr.responseJSON != null && xhr.responseJSON != undefined) {
+                            NativeJSON.stringify(xhr.responseJSON)
+                        } else if (xhr.responseText != undefined) {
+                            xhr.responseText
+                        } else {
+                            errorText
+                        }
+                        if (xhr.status.toInt() == HTTP_UNAUTHORIZED) {
+                            reject(SecurityException(message))
+                        } else {
+                            reject(Exception(message))
+                        }
+                    }
+                this.xhrFields = obj {
+                    this.withCredentials = true
+                }
+            })
+        }
+    }
+
+    /**
+     * Makes a remote call to the remote server.
+     * @param url an URL address
+     * @param data data to be sent
+     * @param method a HTTP method
+     * @param contentType a content type of the request
+     * @param beforeSend a function to set request parameters
+     * @return a promise of the result
+     */
+    @Suppress("UnsafeCastFromDynamic", "ComplexMethod")
+    fun remoteCall(
+        url: String,
+        data: dynamic = null,
+        method: HttpMethod = HttpMethod.GET,
+        contentType: String = "application/json",
+        beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> Boolean)? = null
+    ): Promise<dynamic> {
+        return Promise { resolve, reject ->
+            jQuery.ajax(urlPrefix + url, obj {
+                this.contentType = if (contentType != "multipart/form-data") contentType else false
+                this.data = data
+                this.method = method.name
+                this.processData = if (contentType != "multipart/form-data") undefined else false
+                this.success =
+                    { data: dynamic, _: Any, _: Any ->
+                        resolve(data)
+                    }
+                this.error =
+                    { xhr: JQueryXHR, _: String, errorText: String ->
+                        val message = if (xhr.responseJSON != null && xhr.responseJSON != undefined) {
+                            NativeJSON.stringify(xhr.responseJSON)
+                        } else if (xhr.responseText != undefined) {
+                            xhr.responseText
+                        } else {
+                            errorText
+                        }
+                        if (xhr.status.toInt() == HTTP_UNAUTHORIZED) {
+                            reject(SecurityException(message))
+                        } else {
+                            reject(Exception(message))
+                        }
+                    }
+                this.beforeSend = beforeSend
+                this.xhrFields = obj {
+                    this.withCredentials = true
+                }
+            })
+        }
+    }
+}
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/KVRemoteAgent.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/KVRemoteAgent.kt
new file mode 100644
index 00000000..62657b3d
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/KVRemoteAgent.kt
@@ -0,0 +1,577 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision.remote
+
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.asDeferred
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.channels.ReceiveChannel
+import kotlinx.coroutines.channels.SendChannel
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.launch
+import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.serialization.builtins.list
+import kotlinx.serialization.serializer
+import kotlinx.serialization.stringify
+import kotlin.reflect.KClass
+
+/**
+ * Client side agent for JSON-RPC remote calls.
+ */
+@Suppress("LargeClass", "TooManyFunctions")
+@OptIn(
+    ImplicitReflectionSerializer::class, ExperimentalCoroutinesApi::class
+)
+open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
+    RemoteAgent {
+
+    val callAgent = CallAgent()
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified RET : Any, T> call(noinline function: suspend T.() -> RET): RET {
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, method = method).then {
+            try {
+                @Suppress("UNCHECKED_CAST")
+                deserialize<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnum(RET::class as KClass<Any>, it) as RET
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer(), it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified RET : Any, T> call(
+        noinline function: suspend T.() -> List<RET>
+    ): List<RET> {
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, method = method).then {
+            try {
+                deserializeList<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnumList(RET::class as KClass<Any>, it) as List<RET>
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer().list, it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR) -> RET, p: PAR
+    ): RET {
+        val data = serialize(p)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data), method).then {
+            try {
+                @Suppress("UNCHECKED_CAST")
+                deserialize<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnum(RET::class as KClass<Any>, it) as RET
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer(), it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR) -> List<RET>, p: PAR
+    ): List<RET> {
+        val data = serialize(p)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data), method).then {
+            try {
+                deserializeList<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnumList(RET::class as KClass<Any>, it) as List<RET>
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer().list, it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR1, reified PAR2, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2) -> RET, p1: PAR1, p2: PAR2
+    ): RET {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2), method).then {
+            try {
+                @Suppress("UNCHECKED_CAST")
+                deserialize<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnum(RET::class as KClass<Any>, it) as RET
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer(), it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR1, reified PAR2, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2) -> List<RET>, p1: PAR1, p2: PAR2
+    ): List<RET> {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2), method).then {
+            try {
+                deserializeList<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnumList(RET::class as KClass<Any>, it) as List<RET>
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer().list, it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR1, reified PAR2, reified PAR3, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2, PAR3) -> RET, p1: PAR1, p2: PAR2, p3: PAR3
+    ): RET {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val data3 = serialize(p3)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3), method).then {
+            try {
+                @Suppress("UNCHECKED_CAST")
+                deserialize<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnum(RET::class as KClass<Any>, it) as RET
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer(), it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR1, reified PAR2, reified PAR3, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2, PAR3) -> List<RET>, p1: PAR1, p2: PAR2, p3: PAR3
+    ): List<RET> {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val data3 = serialize(p3)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3), method).then {
+            try {
+                deserializeList<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnumList(RET::class as KClass<Any>, it) as List<RET>
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer().list, it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2, PAR3, PAR4) -> RET, p1: PAR1, p2: PAR2, p3: PAR3, p4: PAR4
+    ): RET {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val data3 = serialize(p3)
+        val data4 = serialize(p4)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4), method).then {
+            try {
+                @Suppress("UNCHECKED_CAST")
+                deserialize<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnum(RET::class as KClass<Any>, it) as RET
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer(), it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    suspend inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2, PAR3, PAR4) -> List<RET>,
+        p1: PAR1,
+        p2: PAR2,
+        p3: PAR3,
+        p4: PAR4
+    ): List<RET> {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val data3 = serialize(p3)
+        val data4 = serialize(p4)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4), method).then {
+            try {
+                deserializeList<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnumList(RET::class as KClass<Any>, it) as List<RET>
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer().list, it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    @Suppress("LongParameterList")
+    suspend inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified PAR5,
+            reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2, PAR3, PAR4, PAR5) -> RET,
+        p1: PAR1,
+        p2: PAR2,
+        p3: PAR3,
+        p4: PAR4,
+        p5: PAR5
+    ): RET {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val data3 = serialize(p3)
+        val data4 = serialize(p4)
+        val data5 = serialize(p5)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5), method).then {
+            try {
+                @Suppress("UNCHECKED_CAST")
+                deserialize<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnum(RET::class as KClass<Any>, it) as RET
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer(), it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined call to a remote web service.
+     */
+    @Suppress("LongParameterList")
+    suspend inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified PAR5,
+            reified RET : Any, T> call(
+        noinline function: suspend T.(PAR1, PAR2, PAR3, PAR4, PAR5) -> List<RET>,
+        p1: PAR1,
+        p2: PAR2,
+        p3: PAR3,
+        p4: PAR4,
+        p5: PAR5
+    ): List<RET> {
+        val data1 = serialize(p1)
+        val data2 = serialize(p2)
+        val data3 = serialize(p3)
+        val data4 = serialize(p4)
+        val data5 = serialize(p5)
+        val (url, method) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5), method).then {
+            try {
+                deserializeList<RET>(it, RET::class.js.name)
+            } catch (t: NotStandardTypeException) {
+                try {
+                    @Suppress("UNCHECKED_CAST")
+                    tryDeserializeEnumList(RET::class as KClass<Any>, it) as List<RET>
+                } catch (t: NotEnumTypeException) {
+                    JSON.nonstrict.parse(RET::class.serializer().list, it)
+                }
+            }
+        }.asDeferred().await()
+    }
+
+    /**
+     * Executes defined web socket connection
+     */
+    @Suppress("ComplexMethod", "TooGenericExceptionCaught")
+    suspend inline fun <reified PAR1 : Any, reified PAR2 : Any> webSocket(
+        noinline function: suspend T.(ReceiveChannel<PAR1>, SendChannel<PAR2>) -> Unit,
+        noinline handler: suspend (SendChannel<PAR1>, ReceiveChannel<PAR2>) -> Unit
+    ) {
+        val (url, _) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        val socket = Socket()
+        val requestChannel = Channel<PAR1>()
+        val responseChannel = Channel<PAR2>()
+        try {
+            coroutineScope {
+                socket.connect(getWebSocketUrl(url))
+                lateinit var responseJob: Job
+                lateinit var handlerJob: Job
+                val requestJob = launch {
+                    for (par1 in requestChannel) {
+                        val param = serialize(par1)
+                        val str = JSON.plain.stringify(
+                            JsonRpcRequest(
+                                0,
+                                url,
+                                listOf(param)
+                            )
+                        )
+                        if (!socket.sendOrFalse(str)) break
+                    }
+                    responseJob.cancel()
+                    handlerJob.cancel()
+                    if (!requestChannel.isClosedForReceive) requestChannel.close()
+                    if (!responseChannel.isClosedForSend) responseChannel.close()
+                }
+                responseJob = launch {
+                    while (true) {
+                        val str = socket.receiveOrNull() ?: break
+                        val data = kotlin.js.JSON.parse<JsonRpcResponse>(str).result ?: ""
+                        val par2 = try {
+                            @Suppress("UNCHECKED_CAST")
+                            deserialize<PAR2>(data, PAR2::class.js.name)
+                        } catch (t: NotStandardTypeException) {
+                            try {
+                                @Suppress("UNCHECKED_CAST")
+                                tryDeserializeEnum(PAR2::class as KClass<Any>, data) as PAR2
+                            } catch (t: NotEnumTypeException) {
+                                JSON.nonstrict.parse(PAR2::class.serializer(), data)
+                            }
+                        }
+                        responseChannel.send(par2)
+                    }
+                    requestJob.cancel()
+                    handlerJob.cancel()
+                    if (!requestChannel.isClosedForReceive) requestChannel.close()
+                    if (!responseChannel.isClosedForSend) responseChannel.close()
+                }
+                handlerJob = launch {
+                    exceptionHelper {
+                        handler(requestChannel, responseChannel)
+                    }
+                    requestJob.cancel()
+                    responseJob.cancel()
+                    if (!requestChannel.isClosedForReceive) requestChannel.close()
+                    if (!responseChannel.isClosedForSend) responseChannel.close()
+                }
+            }
+        } catch (e: Exception) {
+            console.log(e)
+        }
+        if (!requestChannel.isClosedForReceive) requestChannel.close()
+        if (!responseChannel.isClosedForSend) responseChannel.close()
+        socket.close()
+    }
+
+    /**
+     * Executes defined web socket connection returning list objects
+     */
+    @Suppress("ComplexMethod", "TooGenericExceptionCaught")
+    suspend inline fun <reified PAR1 : Any, reified PAR2 : Any> webSocket(
+        noinline function: suspend T.(ReceiveChannel<PAR1>, SendChannel<List<PAR2>>) -> Unit,
+        noinline handler: suspend (SendChannel<PAR1>, ReceiveChannel<List<PAR2>>) -> Unit
+    ) {
+        val (url, _) =
+            serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
+                ?: throw IllegalStateException("Function not specified!")
+        val socket = Socket()
+        val requestChannel = Channel<PAR1>()
+        val responseChannel = Channel<List<PAR2>>()
+        try {
+            coroutineScope {
+                socket.connect(getWebSocketUrl(url))
+                lateinit var responseJob: Job
+                lateinit var handlerJob: Job
+                val requestJob = launch {
+                    for (par1 in requestChannel) {
+                        val param = serialize(par1)
+                        val str = JSON.plain.stringify(
+                            JsonRpcRequest(
+                                0,
+                                url,
+                                listOf(param)
+                            )
+                        )
+                        if (!socket.sendOrFalse(str)) break
+                    }
+                    responseJob.cancel()
+                    handlerJob.cancel()
+                    if (!requestChannel.isClosedForReceive) requestChannel.close()
+                    if (!responseChannel.isClosedForSend) responseChannel.close()
+                }
+                responseJob = launch {
+                    while (true) {
+                        val str = socket.receiveOrNull() ?: break
+                        val data = kotlin.js.JSON.parse<JsonRpcResponse>(str).result ?: ""
+                        val par2 = try {
+                            deserializeList<PAR2>(data, PAR2::class.js.name)
+                        } catch (t: NotStandardTypeException) {
+                            try {
+                                @Suppress("UNCHECKED_CAST")
+                                tryDeserializeEnumList(PAR2::class as KClass<Any>, data) as List<PAR2>
+                            } catch (t: NotEnumTypeException) {
+                                JSON.nonstrict.parse(PAR2::class.serializer().list, data)
+                            }
+                        }
+                        responseChannel.send(par2)
+                    }
+                    requestJob.cancel()
+                    handlerJob.cancel()
+                    if (!requestChannel.isClosedForReceive) requestChannel.close()
+                    if (!responseChannel.isClosedForSend) responseChannel.close()
+                }
+                handlerJob = launch {
+                    exceptionHelper {
+                        handler(requestChannel, responseChannel)
+                    }
+                    requestJob.cancel()
+                    responseJob.cancel()
+                    if (!requestChannel.isClosedForReceive) requestChannel.close()
+                    if (!responseChannel.isClosedForSend) responseChannel.close()
+                }
+            }
+        } catch (e: Exception) {
+            console.log(e)
+        }
+        if (!requestChannel.isClosedForReceive) requestChannel.close()
+        if (!responseChannel.isClosedForSend) responseChannel.close()
+        socket.close()
+    }
+
+    /**
+     * @suppress internal function
+     */
+    suspend fun Socket.receiveOrNull(): String? {
+        return try {
+            this.receive()
+        } catch (e: SocketClosedException) {
+            console.log("Socket was closed: ${e.reason}")
+            null
+        }
+    }
+
+    /**
+     * @suppress internal function
+     */
+    fun Socket.sendOrFalse(str: String): Boolean {
+        return try {
+            this.send(str)
+            true
+        } catch (e: SocketClosedException) {
+            console.log("Socket was closed: ${e.reason}")
+            false
+        }
+    }
+
+    /**
+     * @suppress internal function
+     */
+    @Suppress("TooGenericExceptionCaught")
+    suspend fun exceptionHelper(block: suspend () -> Unit) {
+        try {
+            block()
+        } catch (e: Exception) {
+            console.log(e)
+        }
+    }
+
+    /**
+     * @suppress
+     * Internal function
+     */
+    inline fun <reified PAR> serialize(value: PAR): String? {
+        return value?.let {
+            @Suppress("UNCHECKED_CAST")
+            trySerialize((PAR::class as KClass<Any>), it as Any)
+        }
+    }
+
+}
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/RemoteAgent.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/RemoteAgent.kt
new file mode 100644
index 00000000..fba6356c
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/RemoteAgent.kt
@@ -0,0 +1,199 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision.remote
+
+import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.builtins.list
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.serializer
+import pl.treksoft.kvision.types.JsonDateSerializer
+import pl.treksoft.kvision.types.toStringInternal
+import kotlin.js.Date
+import kotlin.reflect.KClass
+
+class NotStandardTypeException(type: String) : Exception("Not a standard type: $type!")
+
+class NotEnumTypeException : Exception("Not the Enum type!")
+
+/**
+ * Interface for client side agent for JSON-RPC remote calls.
+ */
+interface RemoteAgent {
+
+    /**
+     * @suppress
+     * Internal function
+     */
+    @OptIn(ImplicitReflectionSerializer::class)
+    @Suppress("ComplexMethod", "TooGenericExceptionCaught", "NestedBlockDepth")
+    fun trySerialize(kClass: KClass<Any>, value: Any): String {
+        return if (value is List<*>) {
+            if (value.size > 0) {
+                when {
+                    value[0] is String ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(String.serializer().list as KSerializer<Any>, value)
+                    value[0] is Date ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(JsonDateSerializer.list as KSerializer<Any>, value)
+                    value[0] is Int ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Int.serializer().list as KSerializer<Any>, value)
+                    value[0] is Long ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Long.serializer().list as KSerializer<Any>, value)
+                    value[0] is Boolean ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Boolean.serializer().list as KSerializer<Any>, value)
+                    value[0] is Float ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Float.serializer().list as KSerializer<Any>, value)
+                    value[0] is Double ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Double.serializer().list as KSerializer<Any>, value)
+                    value[0] is Char ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Char.serializer().list as KSerializer<Any>, value)
+                    value[0] is Short ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Short.serializer().list as KSerializer<Any>, value)
+                    value[0] is Byte ->
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(Byte.serializer().list as KSerializer<Any>, value)
+                    value[0] is Enum<*> -> "[" + value.joinToString(",") { "\"$it\"" } + "]"
+                    else -> try {
+                        @Suppress("UNCHECKED_CAST")
+                        JSON.plain.stringify(kClass.serializer().list as KSerializer<Any>, value)
+                    } catch (e: Throwable) {
+                        try {
+                            @Suppress("UNCHECKED_CAST")
+                            JSON.plain.stringify(value[0]!!::class.serializer().list as KSerializer<Any>, value)
+                        } catch (e: Throwable) {
+                            try {
+                                @Suppress("UNCHECKED_CAST")
+                                JSON.plain.stringify(String.serializer().list as KSerializer<Any>, value)
+                            } catch (e: Throwable) {
+                                value.toString()
+                            }
+                        }
+                    }
+                }
+            } else {
+                "[]"
+            }
+        } else {
+            when (value) {
+                is Enum<*> -> "\"$value\""
+                is String -> value
+                is Char -> "\"$value\""
+                is Date -> "\"${value.toStringInternal()}\""
+                else -> try {
+                    @Suppress("UNCHECKED_CAST")
+                    JSON.plain.stringify(kClass.serializer(), value)
+                } catch (e: Throwable) {
+                    value.toString()
+                }
+            }
+        }
+    }
+
+    /**
+     * @suppress
+     * Internal function
+     */
+    @Suppress("UNCHECKED_CAST", "ComplexMethod")
+    fun <RET> deserialize(value: String, jsType: String): RET {
+        return when (jsType) {
+            "String" -> JSON.plain.parse(String.serializer(), value) as RET
+            "Number" -> JSON.plain.parse(Double.serializer(), value) as RET
+            "Long" -> JSON.plain.parse(Long.serializer(), value) as RET
+            "Boolean" -> JSON.plain.parse(Boolean.serializer(), value) as RET
+            "BoxedChar" -> JSON.plain.parse(Char.serializer(), value) as RET
+            "Short" -> JSON.plain.parse(Short.serializer(), value) as RET
+            "Date" -> JSON.plain.parse(JsonDateSerializer, value) as RET
+            "Byte" -> JSON.plain.parse(Byte.serializer(), value) as RET
+            else -> throw NotStandardTypeException(jsType)
+        }
+    }
+
+    /**
+     * @suppress
+     * Internal function
+     */
+    @Suppress("UNCHECKED_CAST", "ComplexMethod")
+    fun <RET> deserializeList(value: String, jsType: String): List<RET> {
+        return when (jsType) {
+            "String" -> JSON.plain.parse(String.serializer().list, value) as List<RET>
+            "Number" -> JSON.plain.parse(Double.serializer().list, value) as List<RET>
+            "Long" -> JSON.plain.parse(Long.serializer().list, value) as List<RET>
+            "Boolean" -> JSON.plain.parse(Boolean.serializer().list, value) as List<RET>
+            "BoxedChar" -> JSON.plain.parse(Char.serializer().list, value) as List<RET>
+            "Short" -> JSON.plain.parse(Short.serializer().list, value) as List<RET>
+            "Date" -> JSON.plain.parse(JsonDateSerializer.list, value) as List<RET>
+            "Byte" -> JSON.plain.parse(Byte.serializer().list, value) as List<RET>
+            else -> throw NotStandardTypeException(jsType)
+        }
+    }
+
+    /**
+     * @suppress
+     * Internal function
+     */
+    @Suppress("TooGenericExceptionCaught", "ThrowsCount")
+    fun tryDeserializeEnum(kClass: KClass<Any>, value: String): Any {
+        return try {
+            if (kClass.asDynamic().jClass.`$metadata$`.interfaces[0].name == "Enum") {
+                findEnumValue(kClass, JSON.plain.parse(String.serializer(), value)) ?: throw NotEnumTypeException()
+            } else {
+                throw NotEnumTypeException()
+            }
+        } catch (e: Throwable) {
+            throw NotEnumTypeException()
+        }
+    }
+
+    /**
+     * @suppress
+     * Internal function
+     */
+    @Suppress("TooGenericExceptionCaught", "ThrowsCount")
+    fun tryDeserializeEnumList(kClass: KClass<Any>, value: String): List<Any> {
+        return try {
+            if (kClass.asDynamic().jClass.`$metadata$`.interfaces[0].name == "Enum") {
+                JSON.plain.parse(String.serializer().list, value).map {
+                    findEnumValue(kClass, JSON.plain.parse(String.serializer(), it)) ?: throw NotEnumTypeException()
+                }
+            } else {
+                throw NotEnumTypeException()
+            }
+        } catch (e: Throwable) {
+            throw NotEnumTypeException()
+        }
+    }
+
+    fun findEnumValue(kClass: KClass<Any>, value: String): Any? {
+        return (kClass.asDynamic().jClass.values() as Array<Any>).find {
+            it.asDynamic().name == value
+        }
+    }
+}
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Security.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Security.kt
new file mode 100644
index 00000000..fd2b5cb0
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Security.kt
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision.remote
+
+import kotlinx.coroutines.asDeferred
+import kotlinx.serialization.Serializable
+
+/**
+ * A security exception.
+ */
+class SecurityException(message: String) : Exception(message)
+
+/**
+ * Username and password credentials.
+ */
+@Serializable
+data class Credentials(val username: String? = null, val password: String? = null)
+
+/**
+ * Form login dispatcher.
+ */
+class LoginService(val loginEndpoint: String) {
+    val loginAgent = CallAgent()
+
+    /**
+     * Login with a form.
+     * @param credentials username and password credentials
+     */
+    suspend fun login(credentials: Credentials?): Boolean =
+        if (credentials?.username != null) {
+            loginAgent.remoteCall(loginEndpoint, obj {
+                this.username = credentials.username
+                this.password = credentials.password
+            }, HttpMethod.POST, "application/x-www-form-urlencoded").then { _: dynamic -> true }.asDeferred().await()
+        } else {
+            throw SecurityException("Credentials cannot be empty")
+        }
+}
+
+/**
+ * Form login dispatcher.
+ */
+abstract class SecurityMgr {
+
+    private var isLoggedIn = false
+
+    /**
+     * Executes given block of code after successful authentication.
+     * @param block a block of code
+     */
+    @Suppress("NestedBlockDepth", "TooGenericExceptionCaught")
+    suspend fun <T> withAuth(block: suspend () -> T): T {
+        return try {
+            block().also {
+                if (!isLoggedIn) {
+                    isLoggedIn = true
+                    afterLogin()
+                }
+            }
+        } catch (e: Exception) {
+            if (e is SecurityException || !isLoggedIn) {
+                afterError()
+                isLoggedIn = false
+                while (!isLoggedIn) {
+                    try {
+                        login()
+                        isLoggedIn = true
+                        afterLogin()
+                    } catch (e: Throwable) {
+                        console.log(e)
+                    }
+                }
+                block()
+            } else {
+                throw e
+            }
+        }
+    }
+
+    /**
+     * Login user.
+     * @return true if login is successful
+     * @throws SecurityException if login is not successful
+     */
+    abstract suspend fun login(): Boolean
+
+    /**
+     * Method called after successful login.
+     */
+    open suspend fun afterLogin() {}
+
+    /**
+     * Method called after error.
+     */
+    open suspend fun afterError() {}
+}
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Socket.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Socket.kt
new file mode 100644
index 00000000..f668d57a
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Socket.kt
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision.remote
+
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import org.w3c.dom.CloseEvent
+import org.w3c.dom.ErrorEvent
+import org.w3c.dom.MessageEvent
+import org.w3c.dom.WebSocket
+import org.w3c.dom.WebSocket.Companion.CLOSED
+import org.w3c.dom.WebSocket.Companion.CLOSING
+import org.w3c.dom.WebSocket.Companion.OPEN
+import org.w3c.dom.events.Event
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+
+//
+// Code taken from: https://discuss.kotlinlang.org/t/js-coroutines-experiements/8245/2
+//
+
+/**
+ * Websocket closed exception class.
+ */
+class SocketClosedException(val reason: String) : Throwable(reason)
+
+/**
+ * A websocket client implementation.
+ */
+class Socket {
+    private var eventQueue: Channel<Event> = Channel(Channel.UNLIMITED)
+    private lateinit var ws: WebSocket
+    val state: Short
+        get() = ws.readyState
+
+    private fun onWsEvent(event: Event) {
+        GlobalScope.launch { eventQueue.send(event) }
+    }
+
+    /**
+     * Connect to a websocket.
+     */
+    suspend fun connect(url: String, retryDelay: Long = 1000) {
+        while (true) {
+            val connected = suspendCoroutine<Boolean> { cont ->
+                while (eventQueue.poll() != null) {/*drain*/
+                }
+                ws = WebSocket(url)
+                ws.onopen = {
+                    ws.onclose = ::onWsEvent
+                    ws.onerror = ::onWsEvent
+                    cont.resume(true)
+                }
+                ws.onmessage = ::onWsEvent
+                ws.onerror = {
+                    logError(it)
+                }
+                ws.onclose = {
+                    cont.resume(false)
+                }
+            }
+            if (connected)
+                break
+            else
+                delay(retryDelay)
+        }
+    }
+
+    /**
+     * Receive a string from a websocket.
+     */
+    @Suppress("ThrowsCount", "MagicNumber")
+    suspend fun receive(): String {
+        return when (val event = eventQueue.receive()) {
+            is MessageEvent -> {
+                event.data as String
+            }
+            is CloseEvent -> {
+                val reason = getReason(event.code)
+                throw SocketClosedException(reason)
+            }
+            is ErrorEvent -> {
+                logError(event)
+                close()
+                throw SocketClosedException(event.message)
+            }
+            else -> {
+                val reason = getReason(4001)
+                console.error(reason)
+                close()
+                throw SocketClosedException(reason)
+            }
+        }
+    }
+
+    /**
+     * Send string to a websocket.
+     */
+    @Suppress("MagicNumber")
+    fun send(obj: String) {
+        when {
+            isClosed() -> {
+                console.error(getReason(4002))
+                throw SocketClosedException(getReason(4002))
+            }
+            else -> ws.send(obj)
+        }
+    }
+
+    /**
+     * Close a websocket.
+     */
+    @Suppress("MagicNumber")
+    fun close(code: Short = 1000) {
+        when (state) {
+            OPEN -> ws.close(code, getReason(1000))
+        }
+    }
+
+    /**
+     * Returns if a websocket is closed.
+     */
+    fun isClosed(): Boolean {
+        return when (state) {
+            CLOSED, CLOSING -> true
+            else -> false
+        }
+    }
+
+    private fun logError(event: Event) = console.error("An error %o occurred when connecting to ${ws.url}", event)
+
+    @Suppress("ComplexMethod", "MagicNumber")
+    private fun getReason(code: Short): String {
+        return when (code.toInt()) { // See http://tools.ietf.org/html/rfc6455#section-7.4.1
+            1000 -> "Normal closure"
+            1001 -> "An endpoint is \"going away\", such as a server going down or " +
+                    "a browser having navigated away from a page."
+            1002 -> "An endpoint is terminating the connection due to a protocol error"
+            1003 -> "An endpoint is terminating the connection because it has received a type of data it cannot " +
+                    "accept (e.g., an endpoint that understands only text data MAY send this if it receives a " +
+                    "binary message)."
+            1004 -> "Reserved. The specific meaning might be defined in the future."
+            1005 -> "No status code was actually present."
+            1006 -> "The connection was closed abnormally, e.g., without sending or receiving a Close control frame"
+            1007 -> "An endpoint is terminating the connection because it has received data within a message that " +
+                    "was not consistent with the type of the message (e.g., non-UTF-8 " +
+                    "[http://tools.ietf.org/html/rfc3629] data within a text message)."
+            1008 -> "An endpoint is terminating the connection because it has received a message that " +
+                    "\"violates its policy\". This reason is given either if there is no other sutible reason, or " +
+                    "if there is a need to hide specific details about the policy."
+            1009 -> "An endpoint is terminating the connection because it has received a message that is too big " +
+                    "for it to process."
+            1010 -> "An endpoint (client ) is terminating the connection because it has expected the server to " +
+                    "negotiate one or more extension, but the server didn't return them in the response message of " +
+                    "the WebSocket handshake. <br /> Specifically, the extensions that are needed are: "
+            1011 -> "A server is terminating the connection because it encountered an unexpected condition that " +
+                    "prevented it from fulfilling the request."
+            1015 -> "The connection was closed due to a failure to perform a TLS handshake (e.g., the server " +
+                    "certificate can't be verified)."
+            4001 -> "Unexpected event"
+            4002 -> "You are trying to use closed socket"
+            else -> "Unknown reason"
+        }
+    }
+}
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Utils.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Utils.kt
new file mode 100644
index 00000000..98fbaea8
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/Utils.kt
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision.remote
+
+import kotlinx.serialization.SerializationStrategy
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonConfiguration
+import kotlinx.serialization.modules.serializersModuleOf
+import pl.treksoft.kvision.types.JsonDateSerializer
+import kotlin.browser.window
+import kotlin.js.Date
+
+/**
+ * JavaScript Object type
+ */
+external class Object
+
+/**
+ * Helper function for creating JavaScript objects.
+ */
+fun obj(init: dynamic.() -> Unit): dynamic {
+    return (Object()).apply(init)
+}
+
+/**
+ * JSON utility functions
+ */
+object JSON {
+
+    val plain = Json(context = serializersModuleOf(Date::class, JsonDateSerializer))
+
+    val nonstrict = Json(
+        configuration = JsonConfiguration.Stable.copy(ignoreUnknownKeys = true),
+        context = serializersModuleOf(Date::class, JsonDateSerializer)
+    )
+
+    /**
+     * An extension function to convert Serializable object to JS dynamic object
+     * @param serializer a serializer for T
+     */
+    fun <T> T.toObj(serializer: SerializationStrategy<T>): dynamic {
+        return kotlin.js.JSON.parse(plain.stringify(serializer, this))
+    }
+}
+
+/**
+ * Creates a websocket URL from current window.location and given path.
+ */
+fun getWebSocketUrl(url: String): String {
+    val location = window.location
+    val scheme = if (location.protocol == "https:") "wss" else "ws"
+    val port = if (location.port == "8088") ":8080"
+    else if (location.port != "0" && location.port != "") ":${location.port}" else ""
+    return "$scheme://${location.hostname}$port$url"
+}
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/types/Date.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/types/Date.kt
new file mode 100644
index 00000000..715eab6c
--- /dev/null
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/types/Date.kt
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision.types
+
+import kotlinx.serialization.Decoder
+import kotlinx.serialization.Encoder
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.SerialDescriptor
+import kotlin.js.Date
+import kotlin.math.absoluteValue
+
+
+/**
+ * JSON date serializer.
+ */
+internal object JsonDateSerializer : KSerializer<Date> {
+    override val descriptor: SerialDescriptor = SerialDescriptor("kotlin.js.Date")
+
+    override fun deserialize(decoder: Decoder): Date {
+        return decoder.decodeString().toDateInternal()
+    }
+
+    override fun serialize(encoder: Encoder, value: Date) {
+        encoder.encodeString(value.toStringInternal())
+    }
+}
+
+@Suppress("ComplexMethod", "MagicNumber")
+internal fun String.toDateInternal(): Date {
+    val dt = this.split(':', 'T', '-', '+')
+    val utcCheck = this[length - 1] == 'Z'
+    val ds = if (utcCheck) dt[5].dropLast(1).split(".") else dt[5].split(".")
+    val tzCheck = this[length - 6]
+    return if (!utcCheck && tzCheck != '-' && tzCheck != '+') {
+        Date(
+            dt[0].toInt(),
+            dt[1].toInt() - 1,
+            dt[2].toInt(),
+            dt[3].toInt(),
+            dt[4].toInt(),
+            ds[0].toInt(),
+            if (ds.size == 2) ds[1].toInt() else 0
+        )
+    } else {
+        val sign = if (utcCheck || tzCheck == '+') 1 else -1
+        Date(
+            Date.UTC(
+                dt[0].toInt(),
+                dt[1].toInt() - 1,
+                dt[2].toInt(),
+                if (utcCheck) {
+                    dt[3].toInt()
+                } else {
+                    dt[3].toInt() - sign * dt[6].toInt()
+                },
+                dt[4].toInt(),
+                ds[0].toInt(),
+                if (ds.size == 2) ds[1].toInt() else 0
+            )
+        )
+    }
+}
+
+internal fun Date.toStringInternal(): String {
+    @Suppress("MagicNumber")
+    val tz = this.getTimezoneOffset() / 60
+    val sign = if (tz > 0) "-" else "+"
+    return "" + this.getFullYear() + "-" + ("0" + (this.getMonth() + 1)).takeLast(2) + "-" +
+            ("0" + this.getDate()).takeLast(2) + "T" + ("0" + this.getHours()).takeLast(2) + ":" +
+            ("0" + this.getMinutes()).takeLast(2) + ":" + ("0" + this.getSeconds()).takeLast(2) + "." +
+            this.getMilliseconds() + sign + ("0${tz.absoluteValue}").takeLast(2) + ":00"
+}
diff --git a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/KVServiceManager.kt b/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/KVServiceManager.kt
deleted file mode 100644
index 71c7d641..00000000
--- a/kvision-modules/kvision-common-remote/src/main/kotlin/pl/treksoft/kvision/remote/KVServiceManager.kt
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package pl.treksoft.kvision.remote
-
-import kotlinx.coroutines.channels.ReceiveChannel
-import kotlinx.coroutines.channels.SendChannel
-import kotlin.reflect.KClass
-
-enum class HttpMethod {
-    GET,
-    POST,
-    PUT,
-    DELETE,
-    OPTIONS
-}
-
-/**
- * Multiplatform service manager.
- */
-expect open class KVServiceManager<T : Any>(serviceClass: KClass<T>) {
-
-    /**
-     * Binds a given route with a function of the receiver.
-     * @param function a function of the receiver
-     * @param method a HTTP method
-     * @param route a route
-     */
-    protected inline fun <reified RET> bind(
-        noinline function: suspend T.() -> RET,
-        method: HttpMethod = HttpMethod.POST,
-        route: String? = null
-    )
-
-    /**
-     * Binds a given route with a function of the receiver.
-     * @param function a function of the receiver
-     * @param method a HTTP method
-     * @param route a route
-     */
-    protected inline fun <reified PAR, reified RET> bind(
-        noinline function: suspend T.(PAR) -> RET,
-        method: HttpMethod = HttpMethod.POST,
-        route: String? = null
-    )
-
-    /**
-     * Binds a given route with a function of the receiver.
-     * @param function a function of the receiver
-     * @param method a HTTP method
-     * @param route a route
-     */
-    protected inline fun <reified PAR1, reified PAR2, reified RET> bind(
-        noinline function: suspend T.(PAR1, PAR2) -> RET,
-        method: HttpMethod = HttpMethod.POST,
-        route: String? = null
-    )
-
-    /**
-     * Binds a given route with a function of the receiver.
-     * @param function a function of the receiver
-     * @param method a HTTP method
-     * @param route a route
-     */
-    protected inline fun <reified PAR1, reified PAR2, reified PAR3, reified RET> bind(
-        noinline function: suspend T.(PAR1, PAR2, PAR3) -> RET,
-        method: HttpMethod = HttpMethod.POST,
-        route: String? = null
-    )
-
-    /**
-     * Binds a given route with a function of the receiver.
-     * @param function a function of the receiver
-     * @param method a HTTP method
-     * @param route a route
-     */
-    protected inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified RET> bind(
-        noinline function: suspend T.(PAR1, PAR2, PAR3, PAR4) -> RET,
-        method: HttpMethod = HttpMethod.POST,
-        route: String? = null
-    )
-
-    /**
-     * Binds a given route with a function of the receiver.
-     * @param function a function of the receiver
-     * @param method a HTTP method
-     * @param route a route
-     */
-    protected inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified PAR5, reified RET> bind(
-        noinline function: suspend T.(PAR1, PAR2, PAR3, PAR4, PAR5) -> RET,
-        method: HttpMethod = HttpMethod.POST,
-        route: String? = null
-    )
-
-    /**
-     * Binds a given function of the receiver as a tabulator component source
-     * @param function a function of the receiver
-     */
-    protected inline fun <reified RET> bindTabulatorRemote(
-        noinline function: suspend T.(Int?, Int?, List<RemoteFilter>?, List<RemoteSorter>?, String?) -> RemoteData<RET>
-    )
-
-    /**
-     * Binds a given function of the receiver as a web socket connection
-     * @param function a function of the receiver
-     */
-    protected inline fun <reified PAR1 : Any, reified PAR2 : Any> bind(
-        noinline function: suspend T.(ReceiveChannel<PAR1>, SendChannel<PAR2>) -> Unit,
-        route: String? = null
-    )
-}