First version with MVVM

2025-01-31 21:32:28 +01:00
parent 8902b17d66
commit 450713ae38
10 changed files with 278 additions and 68 deletions
--- a/composeApp/build.gradle.kts
+++ b/composeApp/build.gradle.kts
@@ -4,11 +4,17 @@ import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig

+val lifecycle_version = "2.6.1"
+val arch_version = "2.2.0"
+
 plugins {
+
    alias(libs.plugins.kotlinMultiplatform)
    alias(libs.plugins.androidApplication)
    alias(libs.plugins.composeMultiplatform)
    alias(libs.plugins.composeCompiler)
+    
+
 }

 kotlin {
@@ -66,9 +72,18 @@ kotlin {
            implementation(compose.ui)
            implementation(compose.components.resources)
            implementation(compose.components.uiToolingPreview)
+            implementation(libs.androidx.lifecycle.livedata.core)
            implementation(libs.androidx.lifecycle.viewmodel)
            implementation(libs.androidx.lifecycle.runtime.compose)
+            implementation(libs.lifecycle.runtime.compose)
+            implementation(libs.lifecycle.viewmodel.compose)
+            implementation(libs.androidx.lifecycle.viewmodel.compose)
            implementation(projects.shared)
+            implementation(project.dependencies.platform(libs.koin.bom))
+            implementation(libs.koin.core)
+            implementation(libs.koin.compose)
+            implementation(libs.koin.compose.viewmodel)
+

        }
        desktopMain.dependencies {
@@ -106,6 +121,7 @@ android {
 }

 dependencies {
+    implementation(libs.androidx.lifecycle.livedata.core.ktx)
    debugImplementation(compose.uiTooling)
 }

--- a/composeApp/src/commonMain/kotlin/org/neutrino/ktans/App.kt
+++ b/composeApp/src/commonMain/kotlin/org/neutrino/ktans/App.kt
@@ -29,76 +29,23 @@ import service.TermService
 import service.TermServiceImpl
 import service.SearchType
 import service.DatabaseFactory
+import org.koin.compose.KoinApplication
+import org.koin.compose.koinInject
+import org.koin.core.parameter.parametersOf
+import org.neutrino.ktans.di.appModule
+import org.koin.compose.viewmodel.dsl.viewModelOf
+import org.neutrino.ktans.view.MainView

-@Composable
-fun SearchBarTextField() {
-    val query = remember { mutableStateOf("") }
-    val termService = TermServiceImpl()
-    var showResults by remember { mutableStateOf(false) }
-    var terms: List<TermFull>? = null
-
-    TextField(
-        value = query.value,
-        onValueChange = {
-            query.value = it
-            var sType = SearchType.START
-            sType = if (query.value.length > 2) {
-                SearchType.START
-            } else {
-                SearchType.EXACT
-            }
-
-            val translation = getTranslationForLanguages("an","sl") ?: return@TextField
-            println(translation)
-            terms = termService.getTranslationForTerm(it,translation,sType)
-            showResults = terms != null
-            println(terms)
-
-        },
-        placeholder = { Text("Prelož...") },
-        singleLine = true,
-        leadingIcon = { Icon(Icons.Filled.Search, contentDescription = "Search Icon") },
-        trailingIcon = {
-            if (query.value.isNotEmpty()) {
-                IconButton(onClick = { query.value = "" }) {
-                    Icon(Icons.Filled.Clear, contentDescription = "Clear Text")
-                }
-            }
-        },
-        modifier = Modifier
-            .fillMaxWidth()
-    )
-
-        Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally ) {
-            if (showResults && terms != null) {
-            for (term in terms!!) {
-                Text(term.string1)
-                Text("${term.string2},")
-            }
-        }
-        }
-}

@Composable
@Preview
 fun App() {
-    DatabaseFactory.connectAndMigrate()
-    DatabaseFactory.connectAll()
-
+    KoinApplication(application = {
+        modules(appModule())
+    }) {
        MaterialTheme {
-        var showContent by remember { mutableStateOf(false) }
-        Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally) {
-            SearchBarTextField()
-            Button(onClick = { showContent = !showContent }) {
-                Text("Click me!")
-            }
-            AnimatedVisibility(showContent) {
-                val greeting = remember { Greeting().greet() }
-                Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally) {
-                    Image(painterResource(Res.drawable.compose_multiplatform), null)
-                    Text("Compose: $greeting")
-                }
-            }
+            MainView()
        }
+
    }
 }
--- a/composeApp/src/commonMain/kotlin/org/neutrino/ktans/di/Koin.kt
+++ b/composeApp/src/commonMain/kotlin/org/neutrino/ktans/di/Koin.kt
@@ -0,0 +1,14 @@
+package org.neutrino.ktans.di
+
+import org.koin.core.module.dsl.singleOf
+import org.koin.dsl.module
+import service.TermServiceImpl
+import service.DatabaseFactory
+import org.koin.compose.viewmodel.dsl.viewModelOf
+import org.neutrino.ktans.viewmodel.MainModelView
+import org.koin.core.module.dsl.factoryOf
+
+fun appModule() = module {
+    singleOf(::TermServiceImpl)
+    viewModelOf(::MainModelView)
+}
--- a/composeApp/src/commonMain/kotlin/org/neutrino/ktans/view/MainView.kt
+++ b/composeApp/src/commonMain/kotlin/org/neutrino/ktans/view/MainView.kt
@@ -0,0 +1,114 @@
+package org.neutrino.ktans.view
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.background
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.material.Button
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.material.TextField
+import androidx.compose.material.IconButton
+import androidx.compose.material.Icon
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material.icons.filled.Clear
+import androidx.compose.runtime.Composable
+import kotlinx.coroutines.flow.observeOn
+import org.koin.compose.koinInject
+import org.neutrino.ktans.viewmodel.MainModelView
+import org.neutrino.ktans.viewmodel.Status
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.lifecycle.viewmodel.compose.viewModel
+
+@Composable
+fun RowScope.TableCell(
+    text: String,
+    weight: Float
+) {
+    Text(
+        text = text,
+        Modifier
+            .border(1.dp, Color.Black)
+            .weight(weight)
+            .padding(8.dp)
+    )
+}
+
+
+@Composable
+fun SearchBarTextField(viewModel: MainModelView) {
+    val query = remember { mutableStateOf("") }
+    Column {
+        TextField(
+            value = query.value,
+            onValueChange = {
+                query.value = it
+                viewModel.getTerms(query.value)
+                            },
+            placeholder = { Text("Prelož...") },
+            singleLine = true,
+            leadingIcon = { Icon(Icons.Filled.Search, contentDescription = "Search Icon") },
+            trailingIcon = {
+                if (query.value.isNotEmpty()) {
+                    IconButton(onClick = {
+                        query.value = ""
+                        viewModel.clearSearch()
+                    }) {
+                        Icon(Icons.Filled.Clear, contentDescription = "Clear Text")
+                    }
+                }
+                           },
+            modifier = Modifier
+                .fillMaxWidth()
+        )
+
+        Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally ) {
+            val terms by viewModel.terms.collectAsState()
+
+            if (terms != null) {
+                SelectionContainer {
+                    Column {
+                        Row(Modifier.background(Color.Gray)) {
+                            TableCell(text = "Anglicky", weight = .5f)
+                            TableCell(text = "Slovensky", weight = .5f)
+                        }
+                        val column1Weight = .5f // 50%
+                        val column2Weight = .5f // 50%
+                        // The LazyColumn will be our table. Notice the use of the weights below
+                        LazyColumn(Modifier.fillMaxSize().padding(0.dp)) {
+                            // Here is the header
+
+                            items(items = terms!!, itemContent = { t ->
+
+                                Row(Modifier.fillMaxWidth()) {
+                                    TableCell(text = t.string1, weight = column1Weight)
+                                    TableCell(text = t.string2, weight = column2Weight)
+                                }
+
+
+                            })
+                        }
+                    }
+                }
+
+            }
+        }
+    }
+}
+
+
+
+@Composable
+fun MainView(viewModel: MainModelView = koinInject<MainModelView>(),) {
+    SearchBarTextField(viewModel)
+}
+
--- a/composeApp/src/commonMain/kotlin/org/neutrino/ktans/viewmodel/MainModelView.kt
+++ b/composeApp/src/commonMain/kotlin/org/neutrino/ktans/viewmodel/MainModelView.kt
@@ -0,0 +1,32 @@
+package org.neutrino.ktans.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import models.TermFull
+import service.TermService
+import service.TermServiceImpl
+import service.DatabaseFactory.getTranslationForLanguages
+import service.SearchType
+import kotlinx.coroutines.Dispatchers
+class MainModelView(private val repository: TermServiceImpl): ViewModel() {
+    val terms : StateFlow<List<TermFull>?> get() = _terms
+    private val _terms = MutableStateFlow<List<TermFull>?>(null)
+
+    fun getTerms(term: String) {
+        viewModelScope.launch(Dispatchers.IO) {
+            var sType = SearchType.START
+            sType = if (term.length > 2) SearchType.START else SearchType.EXACT
+            val trans = getTranslationForLanguages("an","sl") ?: return@launch
+            val transTerms  = repository.getTranslationForTerm(term,trans,sType)
+            _terms.value = transTerms
+
+        }
+    }
+    fun clearSearch() {
+        _terms.value = listOf()
+    }
+}
--- a/composeApp/src/commonMain/kotlin/org/neutrino/ktans/viewmodel/State.kt
+++ b/composeApp/src/commonMain/kotlin/org/neutrino/ktans/viewmodel/State.kt
@@ -0,0 +1,32 @@
+package org.neutrino.ktans.viewmodel
+
+/**
+ * A generic class that holds a value with its loading status.
+ * @param <T>
+</T> */
+data class State<out T>(val status: Status, val data: T?, val message: String?)
+{
+    companion object {
+        fun <T> success(data: T?): State<T> {
+            return State(Status.SUCCESS, data, null)
+        }
+
+        fun <T> empty(): State<T> {
+            return State(Status.SUCCESS, null, null)
+        }
+
+        fun <T> error(msg: String?): State<T> {
+            return State(Status.ERROR, null, msg)
+        }
+
+        fun <T> loading(): State<T> {
+            return State(Status.LOADING, null, null)
+        }
+    }
+}
+
+enum class Status {
+    SUCCESS,
+    ERROR,
+    LOADING
+}
--- a/composeApp/src/desktopMain/kotlin/org/neutrino/ktans/main.kt
+++ b/composeApp/src/desktopMain/kotlin/org/neutrino/ktans/main.kt
@@ -2,12 +2,15 @@ package org.neutrino.ktans

 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
+import service.DatabaseFactory

 fun main() = application {
    Window(
        onCloseRequest = ::exitApplication,
        title = "KTrans",
    ) {
+        DatabaseFactory.connectAndMigrate()
+        DatabaseFactory.connectAll()
        App()
    }
 }
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,16 +11,27 @@ androidx-espresso-core = "3.6.1"
 androidx-lifecycle = "2.8.4"
 androidx-material = "1.12.0"
 androidx-test-junit = "1.2.1"
+androidxLifecycleLivedataKtx = "2.6.1"
+androidxRuntimeLivedata = "x.x.x"
 assertjVersion = "3.26.3"
 compose-multiplatform = "1.7.0"
+coreKtx = "1.9.0"
 exposedVersion = "0.55.0"
 flywayVersion = "10.20.1"
 h2 = "2.3.232"
 hikariCpVersion = "5.1.0"
+koin = "4.0.2"
+koin-bom = "4.0.2"
+koinComposeMultiplatform = "4.0.2"
+koin-compose = "1.0.4"
+hiltNavigationCompose = "1.2.0"
 junit = "4.13.2"
 junitVersion = "5.11.3"
 kformat = "0.11"
+koinAndroidxCompose = "4.0.2)"
+koinCore = "3.1.2"
 kotlin = "2.1.0"
+ksp = "2.1.0-1.0.29"
 kotlinSerializationCompilerPluginEmbeddable = "1.9.22"
 kotlinx-coroutines = "1.9.0"
 kotlinxSerializationCore = "1.8.0"
@@ -45,12 +56,38 @@ ktorServerCore = "3.0.2"
 ktorServerCors = "3.0.2"
 ktorServerNetty = "3.0.2"
 ktorServerRequestValidation = "3.0.2"
+lifecycleLivedataCore = "2.8.7"
+lifecycleLivedataKtx = "2.8.7"
+lifecycleLivedataKtxVersion = "x.x.x"
+lifecycleRuntimeCompose = "2.8.7"
+lifecycle = "2.3.1"
+lifecycleRuntimeComposeVersion = "2.6.1"
+lifecycleViewmodelKtx = "2.6.1"
+lifecycleViewmodelCompose = "2.8.4"
 logback = "1.5.12"
 material = "1.7.6"
 psqlVersion = "42.7.4"
 restAssuredVersion = "5.5.0"
+runtimeLivedata = "1.7.6"
+runtimeLivedataVersion = "1.0.0-beta01"
+symbolProcessingApi = "2.1.0-1.0.29"
+lifecycleLivedataCoreKtx = "2.8.7"

 [libraries]
+androidx-core-ktx-v190 = { module = "androidx.core:core-ktx", version.ref = "coreKtx" }
+androidx-lifecycle-livedata-core = { module = "androidx.lifecycle:lifecycle-livedata-core", version.ref = "lifecycleLivedataCore" }
+androidx-lifecycle-livedata-ktx-v261 = { module = "androidx.lifecycle:lifecycle-livedata-ktx", version.ref = "androidxLifecycleLivedataKtx" }
+androidx-lifecycle-livedata-ktx-v287 = { module = "androidx.lifecycle:lifecycle-livedata-ktx", version.ref = "lifecycleLivedataKtx" }
+androidx-lifecycle-livedata-ktx-vxxx = { module = "androidx.lifecycle:lifecycle-livedata-ktx", version.ref = "lifecycleLivedataKtxVersion" }
+androidx-lifecycle-runtime-compose-v261 = { module = "androidx.lifecycle:lifecycle-runtime-compose", version.ref = "lifecycleRuntimeComposeVersion" }
+androidx-lifecycle-runtime-ktx = { module = "androidx.lifecycle:lifecycle-runtime-ktx", version.ref = "androidxLifecycleLivedataKtx" }
+androidx-lifecycle-viewmodel-compose = { module = "androidx.lifecycle:lifecycle-viewmodel-compose", version.ref = "lifecycleViewmodelCompose" }
+androidx-lifecycle-viewmodel-ktx = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "lifecycleLivedataCore" }
+androidx-lifecycle-viewmodel-ktx-v261 = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
+androidx-lifecycle-viewmodel-savedstate = { module = "androidx.lifecycle:lifecycle-viewmodel-savedstate", version.ref = "androidxLifecycleLivedataKtx" }
+androidx-runtime-livedata = { module = "androidx.compose.runtime:runtime-livedata", version.ref = "runtimeLivedata" }
+androidx-runtime-livedata-v100beta01 = { module = "androidx.compose.runtime:runtime-livedata", version.ref = "runtimeLivedataVersion" }
+androidx-runtime-livedata-vxxx = { module = "androidx.compose.runtime:runtime-livedata", version.ref = "androidxRuntimeLivedata" }
 assertj-core = { module = "org.assertj:assertj-core", version.ref = "assertjVersion" }
 exposed-core = { module = "org.jetbrains.exposed:exposed-core", version.ref = "exposedVersion" }
 exposed-dao = { module = "org.jetbrains.exposed:exposed-dao", version.ref = "exposedVersion" }
@@ -59,17 +96,23 @@ exposed-json = { module = "org.jetbrains.exposed:exposed-json", version.ref = "e
 flyway-core = { module = "org.flywaydb:flyway-core", version.ref = "flywayVersion" }
 h2 = { module = "com.h2database:h2", version.ref = "h2" }
 hikaricp = { module = "com.zaxxer:HikariCP", version.ref = "hikariCpVersion" }
+insert-koin-koin-compose = { module = "io.insert-koin:koin-compose" }
 io-ktor-ktor-server-core = { module = "io.ktor:ktor-server-core", version.ref = "ktor" }
 io-ktor-ktor-server-netty = { module = "io.ktor:ktor-server-netty" }
 junit-jupiter-api = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junitVersion" }
 junit-jupiter-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junitVersion" }
 kformat = { module = "de.m3y.kformat:kformat", version.ref = "kformat" }
+
+
+koin-compose = { module = "io.insert-koin:koin-compose" }
+koin-compose-viewmodel = { module = "io.insert-koin:koin-compose-viewmodel", version.ref = "koinComposeMultiplatform" }
 kotlin-serialization-compiler-plugin-embeddable = { module = "org.jetbrains.kotlin:kotlin-serialization-compiler-plugin-embeddable", version.ref = "kotlinSerializationCompilerPluginEmbeddable" }
 kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
 kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
 kotlin-test-junit = { module = "org.jetbrains.kotlin:kotlin-test-junit", version.ref = "kotlin" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "androidx-core-ktx" }
+androidx-lifecycle-livedata-ktx = { group = "androidx.lifecycle", name = "lifecycle-livedata-ktx", version.ref = "lifecycle" }
 androidx-test-junit = { group = "androidx.test.ext", name = "junit", version.ref = "androidx-test-junit" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "androidx-espresso-core" }
 androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "androidx-appcompat" }
@@ -113,6 +156,8 @@ ktor-server-netty-v302 = { module = "io.ktor:ktor-server-netty", version.ref = "
 ktor-server-request-validation = { module = "io.ktor:ktor-server-request-validation", version.ref = "ktorServerRequestValidation" }
 ktor-server-test-host-jvm = { module = "io.ktor:ktor-server-test-host-jvm" }
 ktor-server-websockets = { module = "io.ktor:ktor-server-websockets", version.ref = "ktor" }
+lifecycle-runtime-compose = { module = "androidx.lifecycle:lifecycle-runtime-compose", version.ref = "lifecycleRuntimeCompose" }
+lifecycle-viewmodel-compose = { module = "org.jetbrains.androidx.lifecycle:lifecycle-viewmodel-compose", version.ref = "lifecycleViewmodelCompose" }
 logback = { module = "ch.qos.logback:logback-classic", version.ref = "logback" }
 ktor-server-core = { module = "io.ktor:ktor-server-core-jvm", version.ref = "ktor" }
 ktor-server-netty = { module = "io.ktor:ktor-server-netty-jvm", version.ref = "ktor" }
@@ -120,6 +165,10 @@ ktor-server-tests = { module = "io.ktor:ktor-server-tests-jvm", version.ref = "k
 material = { module = "androidx.compose.material:material", version.ref = "material" }
 postgresql = { module = "org.postgresql:postgresql", version.ref = "psqlVersion" }
 rest-assured = { module = "io.rest-assured:rest-assured", version.ref = "restAssuredVersion" }
+symbol-processing-api = { module = "com.google.devtools.ksp:symbol-processing-api", version.ref = "symbolProcessingApi" }
+koin-bom = { module = "io.insert-koin:koin-bom", version.ref = "koin-bom" }
+koin-core = { module = "io.insert-koin:koin-core" }
+androidx-lifecycle-livedata-core-ktx = { group = "androidx.lifecycle", name = "lifecycle-livedata-core-ktx", version.ref = "lifecycleLivedataCoreKtx" }

 [plugins]
 androidApplication = { id = "com.android.application", version.ref = "agp" }
--- a/shared/build.gradle.kts
+++ b/shared/build.gradle.kts
@@ -3,6 +3,8 @@ import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig

+
+
 val ktorVersion = "3.0.2"
 val exposedVersion = "0.55.0"
 val h2Version = "2.3.232"
@@ -18,7 +20,6 @@ plugins {
    alias(libs.plugins.kotlinMultiplatform)
    alias(libs.plugins.androidLibrary)
    kotlin("plugin.serialization")
-
 }

 repositories {
@@ -94,6 +95,8 @@ kotlin {
            implementation(libs.flyway.core)
            implementation(libs.logback)
            implementation(libs.kformat)
+            implementation(project.dependencies.platform(libs.koin.bom))
+            implementation(libs.koin.core)

        }
    }