Multiplatform kvision-common and kvision-server modules.

Support for automatic remote bindings (work in progress).

27 files changed, 1441 insertions, 232 deletions

diff --git a/Module.md b/Module.md
index 5f63c805..0fabb75e 100644
--- a/Module.md
+++ b/Module.md
@@ -70,6 +70,10 @@ CSS grid and Bootstrap responsive 12 columns gid).
 
 Bootstrap progress bar component.
 
+# Package pl.treksoft.kvision.remote
+
+A set of components for creating multiplatform automatic connectivity with backend servers.
+
 # Package pl.treksoft.kvision.routing
 
 Simple and easy to use JavaScript router wrapper.
@@ -82,6 +86,10 @@ Clasess supporting HTML tables.
 
 Toolbar and button group components.
 
+# Package pl.treksoft.kvision.types
+
+Multiplatform type definitions.
+
 # Package pl.treksoft.kvision.utils
 
 Interfaces and helper functions for Snabbdom virtual dom implementation and a few useful extension functions.
diff --git a/dokka/kvision-dokka-helper.jar b/dokka/kvision-dokka-helper.jar
index ce048ea2..d600abd6 100644
--- a/dokka/kvision-dokka-helper.jar
+++ b/dokka/kvision-dokka-helper.jar
diff --git a/kvision-common/build.gradle b/kvision-common/build.gradle
new file mode 100644
index 00000000..af3703e6
--- /dev/null
+++ b/kvision-common/build.gradle
@@ -0,0 +1,10 @@
+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-common/src/main/kotlin/pl/treksoft/kvision/remote/Jooby.kt b/kvision-common/src/main/kotlin/pl/treksoft/kvision/remote/Jooby.kt
new file mode 100644
index 00000000..918b1d1f
--- /dev/null
+++ b/kvision-common/src/main/kotlin/pl/treksoft/kvision/remote/Jooby.kt
@@ -0,0 +1,32 @@
+/*
+ * 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
+
+/**
+ * A Jooby based server.
+ */
+expect open class JoobyServer
+
+/**
+ * A server request.
+ */
+expect interface Request
diff --git a/kvision-common/src/main/kotlin/pl/treksoft/kvision/remote/ServiceManager.kt b/kvision-common/src/main/kotlin/pl/treksoft/kvision/remote/ServiceManager.kt
new file mode 100644
index 00000000..4a6be56b
--- /dev/null
+++ b/kvision-common/src/main/kotlin/pl/treksoft/kvision/remote/ServiceManager.kt
@@ -0,0 +1,99 @@
+/*
+ * 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.experimental.Deferred
+
+const val SERVICE_PREFIX = "/kv_service"
+
+/**
+ * Multiplatform service manager.
+ */
+expect open class ServiceManager<out T>(service: T? = null) {
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected inline fun <reified RET> bind(route: String, noinline function: T.(Request?) -> Deferred<RET>)
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected inline fun <reified PAR, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR, Request?) -> Deferred<RET>
+    )
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected inline fun <reified PAR1, reified PAR2, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, Request?) -> Deferred<RET>
+    )
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected inline fun <reified PAR1, reified PAR2, reified PAR3, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, PAR3, Request?) -> Deferred<RET>
+    )
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, PAR3, PAR4, Request?) -> Deferred<RET>
+    )
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified PAR5, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, PAR3, PAR4, PAR5, Request?) -> Deferred<RET>
+    )
+
+    /**
+     * Applies all defined routes to the given server.
+     * @param k a Jooby server
+     */
+    fun applyRoutes(k: JoobyServer)
+
+    /**
+     * Returns the list of defined bindings.
+     */
+    fun getCalls(): Map<String, String>
+}
diff --git a/kvision-common/src/main/kotlin/pl/treksoft/kvision/types/KDate.kt b/kvision-common/src/main/kotlin/pl/treksoft/kvision/types/KDate.kt
new file mode 100644
index 00000000..583323de
--- /dev/null
+++ b/kvision-common/src/main/kotlin/pl/treksoft/kvision/types/KDate.kt
@@ -0,0 +1,49 @@
+/*
+ * 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.Serializable
+
+expect val KDATE_FORMAT: String
+
+/**
+ * A serializable wrapper for a multiplatform Date type.
+ */
+@Serializable
+data class KDate(val time: Long) {
+    constructor() : this(now().time)
+    constructor(str: String) : this(str.toKDateF(KDATE_FORMAT).time)
+
+    override fun toString(): String {
+        return this.toStringF(KDATE_FORMAT)
+    }
+
+    companion object {
+        fun now() = nowDate()
+    }
+}
+
+internal expect fun nowDate(): KDate
+
+internal expect fun String.toKDateF(format: String): KDate
+
+internal expect fun KDate.toStringF(format: String): String
diff --git a/kvision-common/src/main/kotlin/pl/treksoft/kvision/types/KFile.kt b/kvision-common/src/main/kotlin/pl/treksoft/kvision/types/KFile.kt
new file mode 100644
index 00000000..ce4adca4
--- /dev/null
+++ b/kvision-common/src/main/kotlin/pl/treksoft/kvision/types/KFile.kt
@@ -0,0 +1,34 @@
+/*
+ * 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.Serializable
+
+/**
+ * A serializable class for a multiplatform File type.
+ */
+@Serializable
+data class KFile(
+    val name: String,
+    val size: Int,
+    val content: String? = null
+)
diff --git a/kvision-server/build.gradle b/kvision-server/build.gradle
new file mode 100644
index 00000000..8be34ecf
--- /dev/null
+++ b/kvision-server/build.gradle
@@ -0,0 +1,29 @@
+apply plugin: "io.spring.dependency-management"
+apply plugin: 'kotlin-platform-jvm'
+apply plugin: 'kotlinx-serialization'
+
+dependencyManagement {
+    imports {
+        mavenBom "org.jooby:jooby-bom:${joobyVersion}"
+    }
+}
+
+dependencies {
+    expectedBy project(":kvision-common")
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
+    compile "org.jetbrains.kotlinx:kotlinx-serialization-runtime:$serializationVersion"
+    compile "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutinesVersion"
+    compile "org.jooby:jooby-lang-kotlin"
+    compile "org.jooby:jooby-jackson"
+    compile "com.fasterxml.jackson.module:jackson-module-kotlin:${jacksonModuleKotlinVersion}"
+    testCompile "org.jetbrains.kotlin:kotlin-test:$kotlinVersion"
+    testCompile project(":kvision-common")
+}
+
+compileKotlin {
+    targetCompatibility = javaVersion
+    sourceCompatibility = javaVersion
+    kotlinOptions {
+        jvmTarget = javaVersion
+    }
+}
diff --git a/kvision-server/src/main/kotlin/pl/treksoft/kvision/remote/Jooby.kt b/kvision-server/src/main/kotlin/pl/treksoft/kvision/remote/Jooby.kt
new file mode 100644
index 00000000..14b2b376
--- /dev/null
+++ b/kvision-server/src/main/kotlin/pl/treksoft/kvision/remote/Jooby.kt
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+@file:Suppress("EXPERIMENTAL_FEATURE_WARNING")
+
+package pl.treksoft.kvision.remote
+
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import kotlinx.coroutines.experimental.Deferred
+import org.jooby.Kooby
+import org.jooby.Session
+import org.jooby.json.Jackson
+import kotlinx.coroutines.experimental.async as coroutinesAsync
+
+/**
+ * A Jooby based server.
+ */
+actual open class JoobyServer(init: JoobyServer.() -> Unit) : Kooby() {
+    init {
+        val mapper = jacksonObjectMapper()
+        @Suppress("LeakingThis")
+        use(Jackson(mapper))
+        @Suppress("LeakingThis")
+        init.invoke(this)
+    }
+}
+
+/**
+ * A server request.
+ */
+actual typealias Request = org.jooby.Request
+
+/**
+ * A helper extension function for asynchronous request processing.
+ */
+fun <RESP> Request?.async(block: (Request) -> RESP): Deferred<RESP> = this?.let { req ->
+    coroutinesAsync {
+        block(req)
+    }
+} ?: throw IllegalStateException("Request not set!")
+
+/**
+ * A helper extension function for asynchronous request processing with session.
+ */
+fun <RESP> Request?.asyncSession(block: (Request, Session) -> RESP): Deferred<RESP> = this?.let { req ->
+    val session = req.session()
+    coroutinesAsync {
+        block(req, session)
+    }
+} ?: throw IllegalStateException("Request not set!")
diff --git a/kvision-server/src/main/kotlin/pl/treksoft/kvision/remote/ServiceManager.kt b/kvision-server/src/main/kotlin/pl/treksoft/kvision/remote/ServiceManager.kt
new file mode 100644
index 00000000..45a995ac
--- /dev/null
+++ b/kvision-server/src/main/kotlin/pl/treksoft/kvision/remote/ServiceManager.kt
@@ -0,0 +1,230 @@
+/*
+ * 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 com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import kotlinx.coroutines.experimental.Deferred
+import kotlinx.coroutines.experimental.runBlocking
+import org.jooby.Status
+
+/**
+ * Multiplatform service manager.
+ */
+@Suppress("EXPERIMENTAL_FEATURE_WARNING")
+actual open class ServiceManager<out T> actual constructor(val service: T?) {
+
+    protected val routes: MutableList<JoobyServer.() -> Unit> = mutableListOf()
+    val mapper = jacksonObjectMapper()
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected actual inline fun <reified RET> bind(
+        route: String,
+        noinline function: T.(Request?) -> Deferred<RET>
+    ) {
+        routes.add({
+            post("$SERVICE_PREFIX/$route") { req, res ->
+                if (service != null) {
+                    try {
+                        res.send(runBlocking { function.invoke(service, req).await() })
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                        res.status(500).send(e.message ?: "Error")
+                    }
+                } else {
+                    res.status(Status.BAD_REQUEST)
+                }
+            }
+        })
+    }
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected actual inline fun <reified PAR, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR, Request?) -> Deferred<RET>
+    ) {
+        routes.add({
+            post("$SERVICE_PREFIX/$route") { req, res ->
+                val param = try {
+                    req.body(PAR::class.java)
+                } catch (e: Exception) {
+                    null as PAR
+                }
+                if (service != null) {
+                    try {
+                        res.send(runBlocking { function.invoke(service, param, req).await() })
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                        res.status(500).send(e.message ?: "Error")
+                    }
+                } else {
+                    res.status(Status.BAD_REQUEST)
+                }
+            }
+        })
+    }
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected actual inline fun <reified PAR1, reified PAR2, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, Request?) -> Deferred<RET>
+    ) {
+        routes.add({
+            post("$SERVICE_PREFIX/$route") { req, res ->
+                val str = req.body(String::class.java)
+                val tree = mapper.readTree(str)
+                if (tree.size() == 2 && service != null) {
+                    val p1 = mapper.treeToValue(tree[0], PAR1::class.java)
+                    val p2 = mapper.treeToValue(tree[1], PAR2::class.java)
+                    try {
+                        res.send(runBlocking { function.invoke(service, p1, p2, req).await() })
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                        res.status(500).send(e.message ?: "Error")
+                    }
+                } else {
+                    res.status(Status.BAD_REQUEST)
+                }
+            }
+        })
+    }
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected actual inline fun <reified PAR1, reified PAR2, reified PAR3, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, PAR3, Request?) -> Deferred<RET>
+    ) {
+        routes.add({
+            post("$SERVICE_PREFIX/$route") { req, res ->
+                val str = req.body(String::class.java)
+                val tree = mapper.readTree(str)
+                if (tree.size() == 3 && service != null) {
+                    val p1 = mapper.treeToValue(tree[0], PAR1::class.java)
+                    val p2 = mapper.treeToValue(tree[1], PAR2::class.java)
+                    val p3 = mapper.treeToValue(tree[2], PAR3::class.java)
+                    try {
+                        res.send(runBlocking { function.invoke(service, p1, p2, p3, req).await() })
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                        res.status(500).send(e.message ?: "Error")
+                    }
+                } else {
+                    res.status(Status.BAD_REQUEST)
+                }
+            }
+        })
+    }
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected actual inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, PAR3, PAR4, Request?) -> Deferred<RET>
+    ) {
+        routes.add({
+            post("$SERVICE_PREFIX/$route") { req, res ->
+                val str = req.body(String::class.java)
+                val tree = mapper.readTree(str)
+                if (tree.size() == 4 && service != null) {
+                    val p1 = mapper.treeToValue(tree[0], PAR1::class.java)
+                    val p2 = mapper.treeToValue(tree[1], PAR2::class.java)
+                    val p3 = mapper.treeToValue(tree[2], PAR3::class.java)
+                    val p4 = mapper.treeToValue(tree[3], PAR4::class.java)
+                    try {
+                        res.send(runBlocking { function.invoke(service, p1, p2, p3, p4, req).await() })
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                        res.status(500).send(e.message ?: "Error")
+                    }
+                } else {
+                    res.status(Status.BAD_REQUEST)
+                }
+            }
+        })
+    }
+
+    /**
+     * Binds a given route with a function of the receiver.
+     * @param route a route
+     * @param function a function of the receiver
+     */
+    protected actual inline fun <reified PAR1, reified PAR2, reified PAR3, reified PAR4, reified PAR5, reified RET> bind(
+        route: String,
+        noinline function: T.(PAR1, PAR2, PAR3, PAR4, PAR5, Request?) -> Deferred<RET>
+    ) {
+        routes.add({
+            post("$SERVICE_PREFIX/$route") { req, res ->
+                val str = req.body(String::class.java)
+                val tree = mapper.readTree(str)
+                if (tree.size() == 5 && service != null) {
+                    val p1 = mapper.treeToValue(tree[0], PAR1::class.java)
+                    val p2 = mapper.treeToValue(tree[1], PAR2::class.java)
+                    val p3 = mapper.treeToValue(tree[2], PAR3::class.java)
+                    val p4 = mapper.treeToValue(tree[3], PAR4::class.java)
+                    val p5 = mapper.treeToValue(tree[4], PAR5::class.java)
+                    try {
+                        res.send(runBlocking { function.invoke(service, p1, p2, p3, p4, p5, req).await() })
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                        res.status(500).send(e.message ?: "Error")
+                    }
+                } else {
+                    res.status(Status.BAD_REQUEST)
+                }
+            }
+        })
+    }
+
+    /**
+     * Applies all defined routes to the given server.
+     * @param k a Jooby server
+     */
+    actual fun applyRoutes(k: JoobyServer) {
+        routes.forEach {
+            it.invoke(k)
+        }
+    }
+
+    /**
+     * Returns the list of defined bindings.
+     * Not used on the jvm platform.
+     */
+    actual fun getCalls(): Map<String, String> = mapOf()
+}
diff --git a/kvision-server/src/main/kotlin/pl/treksoft/kvision/types/KDate.kt b/kvision-server/src/main/kotlin/pl/treksoft/kvision/types/KDate.kt
new file mode 100644
index 00000000..1d174f88
--- /dev/null
+++ b/kvision-server/src/main/kotlin/pl/treksoft/kvision/types/KDate.kt
@@ -0,0 +1,42 @@
+/*
+ * 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 java.text.SimpleDateFormat
+import java.util.*
+
+/**
+ * A serializable wrapper for a multiplatform Date type.
+ */
+@Suppress("MayBeConstant")
+actual val KDATE_FORMAT = "yyyy-MM-dd HH:mm:ss"
+
+internal actual fun nowDate(): KDate =
+    KDate(Date().time)
+
+internal actual fun String.toKDateF(format: String): KDate =
+    KDate(SimpleDateFormat(format).parse(this).time)
+
+internal actual fun KDate.toStringF(format: String) =
+    SimpleDateFormat(format).format(this.toJava())
+
+fun KDate.toJava(): java.util.Date = java.util.Date(this.time)
diff --git a/settings.gradle b/settings.gradle
index 829fca7b..2216afa8 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,3 @@
 rootProject.name = 'kvision'
+
+include 'kvision-common', 'kvision-server'
diff --git a/src/main/kotlin/pl/treksoft/kvision/form/Form.kt b/src/main/kotlin/pl/treksoft/kvision/form/Form.kt
index 65161303..18acdf9f 100644
--- a/src/main/kotlin/pl/treksoft/kvision/form/Form.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/form/Form.kt
@@ -21,8 +21,14 @@
  */
 package pl.treksoft.kvision.form
 
-import org.w3c.files.File
-import kotlin.js.Date
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Mapper
+import kotlinx.serialization.json.JSON
+import kotlinx.serialization.serializer
+import pl.treksoft.kvision.form.upload.Upload
+import pl.treksoft.kvision.types.KDate
+import pl.treksoft.kvision.types.KFile
+import pl.treksoft.kvision.utils.getContent
 import kotlin.js.Json
 import kotlin.reflect.KProperty1
 
@@ -41,16 +47,45 @@ internal data class FieldParams<in F : FormControl>(
  * @constructor Creates a form with a given modelFactory function
  * @param K model class type
  * @param panel optional instance of [FormPanel]
- * @param modelFactory function transforming a Map<String, Any?> to a data model of class K
+ * @param serializer a serializer for model type
  */
 @Suppress("TooManyFunctions")
-class Form<K>(private val panel: FormPanel<K>? = null, private val modelFactory: (Map<String, Any?>) -> K) {
+class Form<K : Any>(private val panel: FormPanel<K>? = null, private val serializer: KSerializer<K>) {
 
+    internal val modelFactory: (Map<String, Any?>) -> K
     internal val fields: MutableMap<String, FormControl> = mutableMapOf()
     internal val fieldsParams: MutableMap<String, Any> = mutableMapOf()
     internal var validatorMessage: ((Form<K>) -> String?)? = null
     internal var validator: ((Form<K>) -> Boolean?)? = null
 
+    init {
+        modelFactory = {
+            val map = it.flatMap { entry ->
+                when (entry.value) {
+                    is KDate -> {
+                        listOf(entry.key to entry.value, "${entry.key}.time" to (entry.value as KDate).time)
+                    }
+                    is List<*> -> {
+