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firebase-dataconnect minimal demo app added
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‎firebase-dataconnect/demo/.gitignore‎

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.gradle/
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.idea/
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.kotlin/
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build/
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local.properties
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*.log
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*.hprof
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/dataConnectGeneratedSources/

‎firebase-dataconnect/demo/.idea/runConfigurations/spotlessApply.xml‎

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‎firebase-dataconnect/demo/build.gradle.kts‎

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import com.android.build.api.variant.ApplicationAndroidComponentsExtension
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import java.nio.charset.StandardCharsets
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plugins {
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// Use whichever versions of these dependencies suit your application.
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// The versions shown here were the latest versions as of December 03, 2024.
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// Note, however, that the version of kotlin("plugin.serialization") _must_,
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// in general, match the version of kotlin("android").
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id("com.android.application") version "8.7.3"
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id("com.google.gms.google-services") version "4.4.2"
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val kotlinVersion = "2.1.0"
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kotlin("android") version kotlinVersion
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kotlin("plugin.serialization") version kotlinVersion
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// The following code in this "plugins" block can be omitted from customer
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// facing documentation as it is an implementation detail of this application.
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id("com.diffplug.spotless") version "7.0.0.BETA4"
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}
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dependencies {
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// Use whichever versions of these dependencies suit your application.
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// The versions shown here were the latest versions as of December 03, 2024.
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implementation("com.google.firebase:firebase-dataconnect:16.0.0-beta03")
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implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
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implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0")
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implementation("org.jetbrains.kotlinx:kotlinx-serialization-core:1.7.3")
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implementation("androidx.appcompat:appcompat:1.7.0")
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implementation("androidx.activity:activity-ktx:1.9.3")
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implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.8.7")
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implementation("com.google.android.material:material:1.12.0")
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// The following code in this "dependencies" block can be omitted from customer
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// facing documentation as it is an implementation detail of this application.
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coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.3")
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implementation("io.kotest:kotest-property:5.9.1")
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implementation("io.kotest.extensions:kotest-property-arbs:2.1.2")
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}
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// The remaining code in this file can be omitted from customer facing
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// documentation. It's here just to make things compile and/or configure
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// optional components of the build (e.g. spotless code formatting).
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android {
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namespace = "com.google.firebase.dataconnect.minimaldemo"
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compileSdk = 35
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defaultConfig {
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minSdk = 21
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targetSdk = 35
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versionCode = 1
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versionName = "1.0"
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_1_8
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targetCompatibility = JavaVersion.VERSION_1_8
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isCoreLibraryDesugaringEnabled = true
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}
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buildFeatures.viewBinding = true
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kotlinOptions.jvmTarget = "1.8"
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}
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spotless {
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val ktfmtVersion = "0.53"
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kotlin {
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target("**/*.kt")
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targetExclude("build/")
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ktfmt(ktfmtVersion).googleStyle()
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}
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kotlinGradle {
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target("**/*.gradle.kts")
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targetExclude("build/")
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ktfmt(ktfmtVersion).googleStyle()
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}
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json {
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target("**/*.json")
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targetExclude("build/")
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simple().indentWithSpaces(2)
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}
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yaml {
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target("**/*.yaml")
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targetExclude("build/")
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jackson()
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.yamlFeature("INDENT_ARRAYS", true)
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.yamlFeature("MINIMIZE_QUOTES", true)
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.yamlFeature("WRITE_DOC_START_MARKER", false)
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}
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format("xml") {
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target("**/*.xml")
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targetExclude("build/")
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trimTrailingWhitespace()
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indentWithSpaces(2)
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endWithNewline()
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}
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}
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abstract class DataConnectGenerateSourcesTask : DefaultTask() {
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@get:InputDirectory abstract val inputDirectory: DirectoryProperty
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@get:OutputDirectory abstract val outputDirectory: DirectoryProperty
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@get:Internal abstract val nodeExecutableDirectory: DirectoryProperty
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@get:Internal abstract val firebaseCommand: Property<String>
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@get:Internal abstract val workDirectory: DirectoryProperty
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@get:Inject protected abstract val execOperations: ExecOperations
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@get:Inject protected abstract val providerFactory: ProviderFactory
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@get:Inject protected abstract val fileSystemOperations: FileSystemOperations
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@TaskAction
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fun run(inputChanges: InputChanges) {
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if (inputChanges.isIncremental) {
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val onlyLogFilesChanged =
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inputChanges.getFileChanges(inputDirectory).all { it.file.name.endsWith(".log") }
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if (onlyLogFilesChanged) {
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didWork = false
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return
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}
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}
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val inputDirectory: File = inputDirectory.get().asFile
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val outputDirectory: File = outputDirectory.get().asFile
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val nodeExecutableDirectory: File? = nodeExecutableDirectory.orNull?.asFile
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val firebaseCommand: String? = firebaseCommand.orNull
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val workDirectory: File = workDirectory.get().asFile
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outputDirectory.deleteRecursively()
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outputDirectory.mkdirs()
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workDirectory.deleteRecursively()
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workDirectory.mkdirs()
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val newPath: String? =
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if (nodeExecutableDirectory === null) {
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null
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} else {
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val nodeExecutableDirectoryAbsolutePath = nodeExecutableDirectory.absolutePath
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val oldPath = providerFactory.environmentVariable("PATH").orNull
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if (oldPath === null) {
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nodeExecutableDirectoryAbsolutePath
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} else {
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nodeExecutableDirectoryAbsolutePath + File.pathSeparator + oldPath
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}
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}
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val logFile =
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if (logger.isInfoEnabled) {
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null
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} else {
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File(workDirectory, "dataconnect.sdk.generate.log.txt")
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}
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val execResult =
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logFile?.outputStream().use { logStream ->
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execOperations.runCatching {
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exec {
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commandLine(firebaseCommand ?: "firebase", "--debug", "dataconnect:sdk:generate")
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workingDir(inputDirectory)
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isIgnoreExitValue = false
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if (newPath !== null) {
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environment("PATH", newPath)
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}
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if (logStream !== null) {
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standardOutput = logStream
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errorOutput = logStream
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}
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}
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}
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}
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execResult.onFailure { exception ->
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logFile?.readText(StandardCharsets.UTF_8)?.lines()?.forEach { line ->
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logger.warn("{}", line.trimEnd())
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}
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throw exception
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}
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}
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}
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abstract class CopyDirectoryTask : DefaultTask() {
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@get:InputDirectory abstract val srcDirectory: DirectoryProperty
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@get:OutputDirectory abstract val destDirectory: DirectoryProperty
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@get:Inject protected abstract val fileSystemOperations: FileSystemOperations
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@TaskAction
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fun run() {
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val srcDirectory: File = srcDirectory.get().asFile
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val destDirectory: File = destDirectory.get().asFile
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logger.info("srcDirectory: {}", srcDirectory.absolutePath)
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logger.info("destDirectory: {}", destDirectory.absolutePath)
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destDirectory.deleteRecursively()
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destDirectory.mkdirs()
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fileSystemOperations.copy {
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from(srcDirectory)
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into(destDirectory)
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}
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}
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}
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run {
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val dataConnectTaskGroupName = "Firebase Data Connect Minimal App"
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val projectDirectory = layout.projectDirectory
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val generateSourcesTask =
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tasks.register<DataConnectGenerateSourcesTask>("dataConnectGenerateSources") {
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group = dataConnectTaskGroupName
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description =
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"Run firebase dataconnect:sdk:generate to generate the Data Connect Kotlin SDK sources"
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inputDirectory = projectDirectory.dir("firebase")
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outputDirectory = projectDirectory.dir("dataConnectGeneratedSources")
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nodeExecutableDirectory =
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project.providers.gradleProperty("dataConnect.minimalApp.nodeExecutableDirectory").map {
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projectDirectory.dir(it)
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}
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firebaseCommand = project.providers.gradleProperty("dataConnect.minimalApp.firebaseCommand")
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workDirectory = layout.buildDirectory.dir(name)
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}
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val androidComponents = extensions.getByType<ApplicationAndroidComponentsExtension>()
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androidComponents.onVariants { variant ->
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val variantNameTitleCase = variant.name[0].uppercase() + variant.name.substring(1)
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val copyTaskName = "dataConnectCopy${variantNameTitleCase}GeneratedSources"
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val copyTask =
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tasks.register<CopyDirectoryTask>(copyTaskName) {
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group = dataConnectTaskGroupName
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description =
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"Copy the generated Data Connect Kotlin SDK sources into the " +
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"generated code directory for the \"${variant.name}\" variant."
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srcDirectory = generateSourcesTask.flatMap { it.outputDirectory }
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}
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variant.sources.java!!.addGeneratedSourceDirectory(copyTask, CopyDirectoryTask::destDirectory)
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}
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}

‎firebase-dataconnect/demo/firebase/.firebaserc‎

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{
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"projects": {
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"default": "fakeproject"
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}
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}

‎firebase-dataconnect/demo/firebase/dataconnect/.gitignore‎

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/.dataconnect/

‎firebase-dataconnect/demo/firebase/dataconnect/connector/connector.yaml‎

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connectorId: ctry3q3tp6kzx
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generate:
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kotlinSdk:
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outputDir: ../../../dataConnectGeneratedSources
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package: com.google.firebase.dataconnect.minimaldemo.connector

‎firebase-dataconnect/demo/firebase/dataconnect/connector/operations.gql‎

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mutation InsertItem(
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$string: String,
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$int: Int,
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$int64: Int64,
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$float: Float,
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$boolean: Boolean,
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$date: Date,
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$timestamp: Timestamp,
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$any: Any,
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) @auth(level: PUBLIC) {
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key: zwda6x9zyy_insert(data: {
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string: $string,
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int: $int,
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int64: $int64,
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float: $float,
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boolean: $boolean,
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date: $date,
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timestamp: $timestamp,
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any: $any,
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})
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}
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query GetItemByKey(
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$key: zwda6x9zyy_Key!
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) @auth(level: PUBLIC) {
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item: zwda6x9zyy(key: $key) {
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string
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int
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int64
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float
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boolean
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date
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timestamp
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any
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}
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}

‎firebase-dataconnect/demo/firebase/dataconnect/dataconnect.yaml‎

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specVersion: v1beta
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serviceId: srv3ar8skbsza
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location: us-central1
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schema:
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source: ./schema
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datasource:
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postgresql: null
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connectorDirs:
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- ./connector

‎firebase-dataconnect/demo/firebase/dataconnect/schema/schema.gql‎

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type zwda6x9zyy @table {
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string: String
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int: Int
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int64: Int64
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float: Float
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boolean: Boolean
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date: Date
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timestamp: Timestamp
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any: Any
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}

‎firebase-dataconnect/demo/firebase/firebase.json‎

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{
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"dataconnect": {"source": "dataconnect"},
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"emulators": {
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"singleProjectMode": true,
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"dataconnect": {"port": 9399},
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"ui": {"enabled": true}
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}
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}

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