Wizard: add shared code for iOS/Android template

fix android

libraries/tools/new-project-wizard/resources/org/jetbrains/kotlin/tools/projectWizard/templates/android/MainActivity.kt.vm

@@ -2,10 +2,25 @@ package ${package}
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+#if ($sharedPackage)
+import ${sharedPackage}.Greeting
+import android.widget.TextView
+#end
+
+#if( $sharedPackage )
+fun greet(): String {
+    return Greeting().greeting()
+}
+#end
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+
+        #if( $sharedPackage )
+        val tv: TextView = findViewById(R.id.text_view)
+        tv.text = greet()
+        #end
     }
 }

libraries/tools/new-project-wizard/resources/org/jetbrains/kotlin/tools/projectWizard/templates/android/activity_main.xml.vm

@@ -1,19 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:tools="http://schemas.android.com/tools"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        tools:context=".MainActivity">
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/main_view"
+    tools:context=".MainActivity">
 
-    <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Hello World!"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintLeft_toLeftOf="parent"
-            app:layout_constraintRight_toRightOf="parent"
-            app:layout_constraintTop_toTopOf="parent"/>
+  <TextView
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:text="Hello World!"
+      android:id="@+id/text_view"
+      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintLeft_toLeftOf="parent"
+      app:layout_constraintRight_toRightOf="parent"
+      app:layout_constraintTop_toTopOf="parent"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

libraries/tools/new-project-wizard/resources/org/jetbrains/kotlin/tools/projectWizard/templates/ios/singleplatformProject/appName/ContentView.swift.vm

@@ -1,8 +1,21 @@
 import SwiftUI
+#if (${sharedModuleName})
+import ${sharedModuleName}
+#end
+
+#if (${sharedModuleName})
+func greet() -> String {
+    return Greeting().greeting()
+}
+#end
 
 struct ContentView: View {
     var body: some View {
+#if (${sharedModuleName})
+        Text(greet())
+#else
         Text("Hello, World!")
+#end
     }
 }
 

libraries/tools/new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/core/service/TemplateEngineService.kt

@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.tools.projectWizard.core.Writer
 import org.jetbrains.kotlin.tools.projectWizard.core.div
 import org.jetbrains.kotlin.tools.projectWizard.templates.FileTemplate
 import org.jetbrains.kotlin.tools.projectWizard.templates.FileTemplateDescriptor
+import org.jetbrains.kotlin.tools.projectWizard.templates.FileTextDescriptor
 import org.jetbrains.kotlin.tools.projectWizard.templates.Template
 import java.io.StringWriter
 
@@ -30,9 +31,11 @@ abstract class TemplateEngineService : WizardService {
 
     fun Writer.writeTemplate(template: FileTemplate): TaskResult<Unit> {
         val formatter = service<FileFormattingService>()
-        val text = renderTemplate(template.descriptor, template.data).let { text ->
-            formatter.formatFile(text, template.descriptor.relativePath.fileName.toString())
+        val unformattedText = when (val descriptor = template.descriptor) {
+            is FileTemplateDescriptor -> renderTemplate(descriptor, template.data)
+            is FileTextDescriptor -> descriptor.text
         }
+        val text = formatter.formatFile(unformattedText, template.descriptor.relativePath.fileName.toString())
         return service<FileSystemWizardService>().createFile(template.rootPath / template.descriptor.relativePath, text)
     }
 }

libraries/tools/new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/core/utils.kt

@@ -33,6 +33,10 @@ operator fun Path.div(@NonNls other: String): Path =
 operator fun Path.div(other: Path): Path =
     resolve(other.toString())
 
+@JvmName("divNullable")
+operator fun Path.div(other: Path?): Path =
+    other?.let { resolve(other.toString()) } ?: this
+
 operator fun @receiver:NonNls String.div(other: Path): Path =
     Paths.get(this).resolve(other)
 

libraries/tools/new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/moduleConfigurators/IOSModuleConfigurator.kt

@@ -55,7 +55,7 @@ object IOSSinglePlatformModuleConfigurator : SinglePlatformModuleConfigurator,
             +fileTemplate("$DEFAULT_APP_NAME.xcodeproj" / "project.pbxproj")
 
             +fileTemplate(DEFAULT_APP_NAME / "AppDelegate.swift")
-            +fileTemplate(DEFAULT_APP_NAME / "ContentView.swift")
+            +fileTemplate(DEFAULT_APP_NAME / "ContentView.swift.vm")
             +fileTemplate(DEFAULT_APP_NAME / "SceneDelegate.swift")
             +fileTemplate(DEFAULT_APP_NAME / "Info.plist")
 

libraries/tools/new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/plugins/kotlin/ModulesToIRsConverter.kt

@@ -75,7 +75,13 @@ class ModulesToIRsConverter(
             module.configurator == AndroidSinglePlatformModuleConfigurator
         }
 
-        rootModules.mapSequence { module ->
+        allModules.mapSequenceIgnore { module ->
+            forModuleEachDependency(module) { from, to, dependencyType ->
+                with(dependencyType) {
+                    runArbitraryTaskBeforeIRsCreated(from, to)
+                }
+            }
+        } andThen rootModules.mapSequence { module ->
             createBuildFileForModule(
                 module,
                 initialState.copy(parentModuleHasTransitivelySpecifiedKotlinVersion = parentModuleHasKotlinVersion)
@@ -112,17 +118,25 @@ class ModulesToIRsConverter(
         else -> Success(emptyList())
     }
 
+    private fun <T : Any> forModuleEachDependency(
+        from: Module,
+        action: suspend ComputeContext<NoState>.(from: Module, to: Module, dependencyType: ModuleDependencyType) -> TaskResult<T>
+    ): TaskResult<List<T>> {
+        return from.dependencies.mapComputeM { dependency ->
+            val to = data.moduleByPath.getValue(dependency.path)
+            val (dependencyType) = ModuleDependencyType.getPossibleDependencyType(from, to)
+                .toResult { InvalidModuleDependencyError(from, to) }
+            action(from, to, dependencyType)
+        }.sequence()
+    }
+
     private fun Writer.createSinglePlatformModule(
         module: Module,
         configurator: SinglePlatformModuleConfigurator,
         state: ModulesToIrsState
     ): TaskResult<List<BuildFileIR>> = computeM {
         val modulePath = calculatePathForModule(module, state.parentPath)
-        val (moduleDependencies) = module.dependencies.mapCompute { dependency ->
-            val to = data.moduleByPath.getValue(dependency.path)
-            val (dependencyType) = ModuleDependencyType.getPossibleDependencyType(module, to)
-                .toResult { InvalidModuleDependencyError(module, to) }
-
+        val (moduleDependencies) = forModuleEachDependency(module) { from, to, dependencyType ->
             with(dependencyType) {
                 @Suppress("DEPRECATION")
                 with(unsafeSettingWriter) {
@@ -134,9 +148,9 @@ class ModulesToIRsConverter(
                     ).ensure()
                 }
                 irsToAddToModules.getOrPut(to) { mutableListOf() } += createToIRs(module, to, data).get()
-                createDependencyIrs(module, to, data)
+                createDependencyIrs(module, to, data).asSuccess()
             }
-        }.sequence().map { it.flatten() }
+        }.map { it.flatten() }
         mutateProjectStructureByModuleConfigurator(module, modulePath)
         val buildFileIR = run {
             if (!configurator.needCreateBuildFile) return@run null

libraries/tools/new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/settings/buildsystem/ModuleDependency.kt

@@ -14,8 +14,8 @@ import org.jetbrains.kotlin.tools.projectWizard.ir.buildsystem.ModuleDependencyI
 import org.jetbrains.kotlin.tools.projectWizard.ir.buildsystem.gradle.*
 import org.jetbrains.kotlin.tools.projectWizard.moduleConfigurators.*
 import org.jetbrains.kotlin.tools.projectWizard.plugins.buildSystem.isGradle
+import org.jetbrains.kotlin.tools.projectWizard.plugins.kotlin.ModuleSubType
 import org.jetbrains.kotlin.tools.projectWizard.plugins.kotlin.ModulesToIrConversionData
-import org.jetbrains.kotlin.tools.projectWizard.plugins.kotlin.isIOS
 import org.jetbrains.kotlin.tools.projectWizard.plugins.printer.GradlePrinter
 import org.jetbrains.kotlin.tools.projectWizard.plugins.projectPath
 import org.jetbrains.kotlin.tools.projectWizard.plugins.templates.TemplatesPlugin
@@ -58,6 +58,12 @@ sealed class ModuleDependencyType(
     ): TaskResult<Unit> =
         UNIT_SUCCESS
 
+    open fun Writer.runArbitraryTaskBeforeIRsCreated(
+        from: Module,
+        to: Module,
+    ): TaskResult<Unit> =
+        UNIT_SUCCESS
+
     open fun Reader.createToIRs(from: Module, to: Module, data: ModulesToIrConversionData): TaskResult<List<BuildSystemIR>> =
         Success(emptyList())
 
@@ -69,7 +75,12 @@ sealed class ModuleDependencyType(
     object AndroidSinglePlatformToMPP : ModuleDependencyType(
         from = AndroidSinglePlatformModuleConfigurator::class,
         to = MppModuleConfigurator::class
-    )
+    ) {
+        override fun Writer.runArbitraryTaskBeforeIRsCreated(
+            from: Module,
+            to: Module,
+        ): TaskResult<Unit> = addExpectFilesForMppModuleForAndroidAndIos(to)
+    }
 
     object IOSToMppSinglePlatformToMPP : ModuleDependencyType(
         from = IOSSinglePlatformModuleConfigurator::class,
@@ -83,17 +94,35 @@ sealed class ModuleDependencyType(
             to: Module,
             toModulePath: Path,
             data: ModulesToIrConversionData
-        ): TaskResult<Unit> = inContextOfModuleConfigurator(from) {
-            IOSSinglePlatformModuleConfigurator.dependentModule.reference.update {
-                IOSSinglePlatformModuleConfigurator.DependentModuleReference(to).asSuccess()
-            }
-            val dummyFilePath = Defaults.SRC_DIR / "${to.iosTargetSafe()!!.name}Main" / to.configurator.kotlinDirectoryName / "dummyFile.kt"
-            TemplatesPlugin.addFileTemplate.execute(
-                FileTemplate(
-                    FileTemplateDescriptor("ios/dummyFile.kt", dummyFilePath),
-                    projectPath / toModulePath
+        ): TaskResult<Unit> = compute {
+            inContextOfModuleConfigurator(from) {
+                IOSSinglePlatformModuleConfigurator.dependentModule.reference.update {
+                    IOSSinglePlatformModuleConfigurator.DependentModuleReference(to).asSuccess()
+                }
+            }.ensure()
+            addDummyFileIfNeeded(to, toModulePath).ensure()
+        }
+
+        override fun Writer.runArbitraryTaskBeforeIRsCreated(
+            from: Module,
+            to: Module,
+        ): TaskResult<Unit> = addExpectFilesForMppModuleForAndroidAndIos(to)
+
+        private fun Writer.addDummyFileIfNeeded(
+            to: Module,
+            toModulePath: Path,
+        ): TaskResult<Unit> {
+            val needDummyFile = inContextOfModuleConfigurator(to) { MppModuleConfigurator.mppFiles.reference.propertyValue.isEmpty() }
+            return if (needDummyFile) {
+                val dummyFilePath =
+                    Defaults.SRC_DIR / "${to.iosTargetSafe()!!.name}Main" / to.configurator.kotlinDirectoryName / "dummyFile.kt"
+                TemplatesPlugin.addFileTemplate.execute(
+                    FileTemplate(
+                        FileTemplateDescriptor("ios/dummyFile.kt", dummyFilePath),
+                        projectPath / toModulePath
+                    )
                 )
-            )
+            } else UNIT_SUCCESS
         }
 
         override fun additionalAcceptanceChecker(from: Module, to: Module): Boolean =
@@ -152,4 +181,27 @@ sealed class ModuleDependencyType(
         fun isDependencyPossible(from: Module, to: Module): Boolean =
             getPossibleDependencyType(from, to) != null
     }
+}
+
+private fun Writer.addExpectFilesForMppModuleForAndroidAndIos(mppModule: Module): TaskResult<Unit> {
+    val expectFiles = mppFiles {
+        mppfile("Platform.kt") {
+            `class`("Platform") {
+                expectBody = "val platform: String"
+                actualFor(
+                    ModuleSubType.android,
+                    actualBody = """actual val platform: String = "Android ${'$'}{android.os.Build.VERSION.SDK_INT}""""
+                )
+
+                actualFor(
+                    ModuleSubType.iosArm64, ModuleSubType.iosX64,
+                    actualBody =
+                    """actual val platform: String = UIDevice.currentDevice.systemName() + " " +  UIDevice.currentDevice.systemVersion"""
+                ) {
+                    import("platform.UIKit.UIDevice")
+                }
+            }
+        }
+    }
+    return inContextOfModuleConfigurator(mppModule) { MppModuleConfigurator.mppFiles.reference.addValues(expectFiles) }
 }

libraries/tools/new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/templates/FileTemplateDescriptor.kt

@@ -6,16 +6,21 @@ import org.jetbrains.kotlin.tools.projectWizard.settings.buildsystem.SourcesetTy
 import java.nio.file.Path
 import java.nio.file.Paths
 
-
 // Should be used to create any kind of files in the generated project
 // Except build files as they will be generated using IR
-data class FileTemplateDescriptor(@NonNls val templateId: String, val relativePath: Path) {
+sealed class FileDescriptor {
+    abstract val relativePath: Path
+}
+
+data class FileTemplateDescriptor(@NonNls val templateId: String, override val relativePath: Path) : FileDescriptor() {
     constructor(templateId: String) : this(
         templateId,
         Paths.get(templateId).fileName.toString().removeSuffix(".vm").asPath()
     )
 }
 
+data class FileTextDescriptor(val text: String, override val relativePath: Path) : FileDescriptor()
+
 sealed class FilePath {
     abstract val sourcesetType: SourcesetType
 }
@@ -23,20 +28,20 @@ sealed class FilePath {
 data class SrcFilePath(override val sourcesetType: SourcesetType) : FilePath()
 data class ResourcesFilePath(override val sourcesetType: SourcesetType) : FilePath()
 
-data class FileTemplateDescriptorWithPath(val descriptor: FileTemplateDescriptor, val path: FilePath)
+data class FileTemplateDescriptorWithPath(val descriptor: FileDescriptor, val path: FilePath)
 
-infix fun FileTemplateDescriptor.asResourceOf(sourcesetType: SourcesetType) =
+infix fun FileDescriptor.asResourceOf(sourcesetType: SourcesetType) =
     FileTemplateDescriptorWithPath(this, ResourcesFilePath(sourcesetType))
 
-infix fun FileTemplateDescriptor.asSrcOf(sourcesetType: SourcesetType) =
+infix fun FileDescriptor.asSrcOf(sourcesetType: SourcesetType) =
     FileTemplateDescriptorWithPath(this, SrcFilePath(sourcesetType))
 
 
 data class FileTemplate(
-    val descriptor: FileTemplateDescriptor,
+    val descriptor: FileDescriptor,
     val rootPath: Path,
     val data: Map<String, Any?> = emptyMap()
 ) {
-    constructor(descriptor: FileTemplateDescriptor, rootPath: Path, vararg data: Pair<String, Any?>) :
+    constructor(descriptor: FileDescriptor, rootPath: Path, vararg data: Pair<String, Any?>) :
             this(descriptor, rootPath, data.toMap())
 }