Added updates check

build.gradle.kts

@@ -11,6 +11,7 @@ plugins {
     id("org.jetbrains.compose") version "1.1.1"
 }
 
+// Remember to update Constants.APP_VERSION when changing this version
 val projectVersion = "0.1.0"
 val projectName = "Gitnuro"
 
@@ -23,8 +24,6 @@ repositories {
     maven { url = uri("https://maven.pkg.jetbrains.space/public/p/compose/dev") }
 }
 
-
-
 dependencies {
     implementation(compose.desktop.currentOs)
     @OptIn(org.jetbrains.compose.ExperimentalComposeLibrary::class)
@@ -37,6 +36,8 @@ dependencies {
     testImplementation(platform("org.junit:junit-bom:5.8.2"))
     testImplementation("org.junit.jupiter:junit-jupiter")
     testImplementation("io.mockk:mockk:1.12.3")
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.retrofit2:converter-scalars:2.9.0")
 }
 
 tasks.test {

src/main/kotlin/app/App.kt

@@ -48,7 +48,6 @@ class App {
 
     init {
         appComponent.inject(this)
-        println("AppStateManagerReference $appStateManager")
     }
 
     private val tabsFlow = MutableStateFlow<List<TabInformation>>(emptyList())

src/main/kotlin/app/AppConstants.kt

@@ -0,0 +1,8 @@
+package app
+
+object AppConstants {
+    // Remember to update build.gradle when changing this
+    const val APP_VERSION = "0.1.0"
+    const val APP_VERSION_CODE = 1
+    const val VERSION_CHECK_URL = "https://raw.githubusercontent.com/JetpackDuba/Gitnuro/main/latest.json"
+}

src/main/kotlin/app/di/TabComponent.kt

@@ -1,10 +1,18 @@
 package app.di
 
+import app.di.modules.NetworkModule
 import app.ui.components.TabInformation
 import dagger.Component
 
 @TabScope
-@Component(dependencies = [AppComponent::class])
+@Component(
+    modules = [
+        NetworkModule::class,
+    ],
+    dependencies = [
+        AppComponent::class
+    ],
+)
 interface TabComponent {
     fun inject(tabInformation: TabInformation)
 }

src/main/kotlin/app/di/modules/NetworkModule.kt

@@ -0,0 +1,20 @@
+package app.di.modules
+
+import app.updates.UpdatesService
+import dagger.Provides
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
+import retrofit2.converter.scalars.ScalarsConverterFactory
+import javax.inject.Singleton
+
+@dagger.Module
+class NetworkModule {
+    @Provides
+    fun provideWebService(): UpdatesService {
+        return Retrofit.Builder()
+            .baseUrl("https://github.com")
+            .addConverterFactory(ScalarsConverterFactory.create())
+            .build()
+            .create(UpdatesService::class.java)
+    }
+}

src/main/kotlin/app/ui/WelcomePage.kt

@@ -13,16 +13,19 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.BiasAlignment
 import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.graphics.painter.Painter
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import app.AppConstants
 import app.extensions.dirName
 import app.extensions.dirPath
 import app.theme.primaryTextColor
 import app.theme.secondaryTextColor
 import app.ui.dialogs.CloneDialog
+import app.updates.Update
 import app.viewmodels.TabViewModel
 import openDirectoryDialog
 import openRepositoryDialog
@@ -37,148 +40,165 @@ fun WelcomePage(
 ) {
     val appStateManager = tabViewModel.appStateManager
     var showCloneView by remember { mutableStateOf(false) }
+    var newUpdate by remember { mutableStateOf<Update?>(null) }
 
-//    Crossfade(showCloneView) {
-//        if(it) {
+    LaunchedEffect(Unit) {
+        val latestRelease = tabViewModel.latestRelease()
 
+        if(latestRelease != null && latestRelease.appCode > AppConstants.APP_VERSION_CODE) {
+            newUpdate = latestRelease
+        }
+    }
 
-//        } else {
-    Row(
+    Box(
         modifier = Modifier
             .fillMaxSize()
             .background(MaterialTheme.colors.background),
-        horizontalArrangement = Arrangement.Center,
-        verticalAlignment = BiasAlignment.Vertical(-0.5f),
-
+    ) {
+        Row(
+            horizontalArrangement = Arrangement.Center,
+            verticalAlignment = Alignment.Top,
+            modifier = Modifier.align(BiasAlignment(0f, -0.5f))
         ) {
-        Column(
-            modifier = Modifier
-                .padding(end = 32.dp),
-            verticalArrangement = Arrangement.Center,
-        ) {
-            Text(
-                text = "Gitnuro",
-                fontSize = 32.sp,
-                color = MaterialTheme.colors.primaryTextColor,
-                modifier = Modifier
-                    .padding(bottom = 16.dp),
-            )
+            Column(
+                modifier = Modifier.padding(end = 32.dp),
+            ) {
+                Text(
+                    text = "Gitnuro",
+                    fontSize = 32.sp,
+                    color = MaterialTheme.colors.primaryTextColor,
+                    modifier = Modifier.padding(bottom = 16.dp),
+                )
 
-            ButtonTile(
-                modifier = Modifier
-                    .padding(bottom = 8.dp),
-                title = "Open a repository",
-                painter = painterResource("open.svg"),
-                onClick = { openRepositoryDialog(tabViewModel) }
-            )
+                ButtonTile(
+                    modifier = Modifier.padding(bottom = 8.dp),
+                    title = "Open a repository",
+                    painter = painterResource("open.svg"),
+                    onClick = { openRepositoryDialog(tabViewModel) })
 
-            ButtonTile(
-                modifier = Modifier
-                    .padding(bottom = 8.dp),
-                title = "Clone a repository",
-                painter = painterResource("download.svg"),
-                onClick = {
-                    showCloneView = true
+                ButtonTile(
+                    modifier = Modifier.padding(bottom = 8.dp),
+                    title = "Clone a repository",
+                    painter = painterResource("download.svg"),
+                    onClick = {
+                        showCloneView = true
+                    }
+                )
+
+                ButtonTile(
+                    modifier = Modifier.padding(bottom = 8.dp),
+                    title = "Start a local repository",
+                    painter = painterResource("open.svg"),
+                    onClick = {
+                        val dir = openDirectoryDialog()
+                        if (dir != null) tabViewModel.initLocalRepository(dir)
+                    }
+                )
+
+                Text(
+                    text = "About Gitnuro",
+                    fontSize = 18.sp,
+                    color = MaterialTheme.colors.primaryTextColor,
+                    modifier = Modifier.padding(top = 16.dp, bottom = 8.dp),
+                )
+
+                IconTextButton(
+                    title = "Source code",
+                    painter = painterResource("code.svg"),
+                    onClick = {
+                        Desktop.getDesktop().browse(URI("https://github.com/JetpackDuba/Gitnuro"))
+                    }
+                )
+
+                IconTextButton(
+                    title = "Report a bug",
+                    painter = painterResource("bug.svg"),
+                    onClick = {
+                        Desktop.getDesktop().browse(URI("https://github.com/JetpackDuba/Gitnuro/issues"))
+                    }
+                )
+
+                if(newUpdate != null) {
+                    IconTextButton(
+                        title = "New update ${newUpdate?.appVersion} available ",
+                        painter = painterResource("grade.svg"),
+                        iconColor = MaterialTheme.colors.secondary,
+                        onClick = {
+                            newUpdate?.downloadUrl?.let {
+                                Desktop.getDesktop().browse(URI(it))
+                            }
+                        }
+                    )
                 }
-            )
+            }
 
-            ButtonTile(
+            Column(
                 modifier = Modifier
-                    .padding(bottom = 8.dp),
-                title = "Start a local repository",
-                painter = painterResource("open.svg"),
-                onClick = {
-                    val dir = openDirectoryDialog()
-                    if (dir != null)
-                        tabViewModel.initLocalRepository(dir)
-                }
-            )
+                    .padding(start = 32.dp),
+            ) {
+                Text(
+                    text = "Recent",
+                    fontSize = 18.sp,
+                    modifier = Modifier.padding(top = 48.dp, bottom = 8.dp),
+                    color = MaterialTheme.colors.primaryTextColor,
+                )
+                LazyColumn {
+                    items(items = appStateManager.latestOpenedRepositoriesPaths) { repo ->
+                        val repoDirName = repo.dirName
+                        val repoDirPath = repo.dirPath
 
-            Text(
-                text = "About Gitnuro",
-                fontSize = 18.sp,
-                color = MaterialTheme.colors.primaryTextColor,
-                modifier = Modifier
-                    .padding(top = 16.dp, bottom = 8.dp),
-            )
-
-            IconTextButton(
-                title = "Source code",
-                painter = painterResource("code.svg"),
-                onClick = {
-                    Desktop.getDesktop().browse(URI("https://github.com/JetpackDuba/Gitnuro"))
-                }
-            )
-
-            IconTextButton(
-                title = "Report a bug",
-                painter = painterResource("bug.svg"),
-                onClick = {
-                    Desktop.getDesktop().browse(URI("https://github.com/JetpackDuba/Gitnuro/issues"))
-                }
-            )
-        }
-
-        Column(
-            modifier = Modifier
-                .padding(start = 32.dp),
-        ) {
-            Text(
-                text = "Recent",
-                fontSize = 18.sp,
-                modifier = Modifier
-                    .padding(top = 16.dp, bottom = 8.dp),
-                color = MaterialTheme.colors.primaryTextColor,
-            )
-            LazyColumn {
-                items(items = appStateManager.latestOpenedRepositoriesPaths) { repo ->
-                    val repoDirName = repo.dirName
-                    val repoDirPath = repo.dirPath
-
-                    Row(
-                        verticalAlignment = Alignment.CenterVertically,
-                    ) {
-                        TextButton(
-                            onClick = {
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                        ) {
+                            TextButton(
+                                onClick = {
                                 tabViewModel.openRepository(repo)
                             }
-                        ) {
+                            ) {
+                                Text(
+                                    text = repoDirName,
+                                    fontSize = 14.sp,
+                                    color = MaterialTheme.colors.primary,
+                                )
+                            }
+
                             Text(
-                                text = repoDirName,
+                                text = repoDirPath,
                                 fontSize = 14.sp,
-                                color = MaterialTheme.colors.primary,
+                                modifier = Modifier.padding(start = 4.dp),
+                                color = MaterialTheme.colors.secondaryTextColor
                             )
                         }
-
-                        Text(
-                            text = repoDirPath,
-                            fontSize = 14.sp,
-                            modifier = Modifier.padding(start = 4.dp),
-                            color = MaterialTheme.colors.secondaryTextColor
-                        )
                     }
                 }
             }
         }
+
+        Text(
+            "Version ${AppConstants.APP_VERSION}",
+            color = MaterialTheme.colors.primaryTextColor,
+            fontSize = 12.sp,
+            modifier = Modifier
+                .align(Alignment.BottomEnd)
+                .padding(bottom = 16.dp, end = 16.dp)
+        )
     }
 
     LaunchedEffect(showCloneView) {
-        if (showCloneView)
-            tabViewModel.cloneViewModel.reset() // Reset dialog before showing it
+        if (showCloneView) tabViewModel.cloneViewModel.reset() // Reset dialog before showing it
     }
 
 
-    if (showCloneView)
-        CloneDialog(
-            tabViewModel.cloneViewModel,
-            onClose = {
-                showCloneView = false
-                tabViewModel.cloneViewModel.reset()
-            },
-            onOpenRepository = { dir ->
-                tabViewModel.openRepository(dir)
-            },
-        )
+    if (showCloneView) CloneDialog(
+        tabViewModel.cloneViewModel,
+        onClose = {
+            showCloneView = false
+            tabViewModel.cloneViewModel.reset()
+        },
+        onOpenRepository = { dir ->
+            tabViewModel.openRepository(dir)
+        },
+    )
 }
 
 @Composable
@@ -217,6 +237,7 @@ fun IconTextButton(
     modifier: Modifier = Modifier,
     title: String,
     painter: Painter,
+    iconColor: Color = MaterialTheme.colors.primary,
     onClick: () -> Unit,
 ) {
     TextButton(
@@ -224,17 +245,14 @@ fun IconTextButton(
         modifier = modifier.size(width = 280.dp, height = 40.dp)
     ) {
         Row(
-            modifier = Modifier
-                .fillMaxSize(),
+            modifier = Modifier.fillMaxSize(),
             verticalAlignment = Alignment.CenterVertically,
         ) {
             Image(
-                modifier = Modifier
-                    .padding(end = 8.dp)
-                    .size(24.dp),
+                modifier = Modifier.padding(end = 8.dp).size(24.dp),
                 painter = painter,
                 contentDescription = null,
-                colorFilter = ColorFilter.tint(MaterialTheme.colors.primary),
+                colorFilter = ColorFilter.tint(iconColor),
             )
 
             Text(

src/main/kotlin/app/updates/Update.kt

@@ -0,0 +1,10 @@
+package app.updates
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Update(
+    val appVersion: String,
+    val appCode: Int,
+    val downloadUrl: String,
+)

src/main/kotlin/app/updates/UpdatesRepository.kt

@@ -0,0 +1,23 @@
+package app.updates
+
+import app.AppConstants
+import app.AppPreferences
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.json.Json
+import javax.inject.Inject
+
+private val updateJson = Json {
+    this.ignoreUnknownKeys = true
+}
+
+class UpdatesRepository @Inject constructor(
+    private val updatesWebService: UpdatesService,
+) {
+    suspend fun latestRelease(): Update? = withContext(Dispatchers.IO) {
+        val latestReleaseJson = updatesWebService.release(AppConstants.VERSION_CHECK_URL)
+
+        updateJson.decodeFromString(latestReleaseJson)
+    }
+}

src/main/kotlin/app/updates/UpdatesWebService.kt

@@ -0,0 +1,9 @@
+package app.updates
+
+import retrofit2.http.GET
+import retrofit2.http.Url
+
+interface UpdatesService {
+    @GET
+    suspend fun release(@Url url: String): String
+}

src/main/kotlin/app/viewmodels/TabViewModel.kt

@@ -1,5 +1,6 @@
 package app.viewmodels
 
+import app.AppPreferences
 import app.AppStateManager
 import app.ErrorsManager
 import app.credentials.CredentialsState
@@ -7,6 +8,8 @@ import app.credentials.CredentialsStateManager
 import app.git.*
 import app.newErrorNow
 import app.ui.SelectedItem
+import app.updates.Update
+import app.updates.UpdatesRepository
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -39,6 +42,7 @@ class TabViewModel @Inject constructor(
     private val tabState: TabState,
     val appStateManager: AppStateManager,
     private val fileChangesWatcher: FileChangesWatcher,
+    private val updatesRepository: UpdatesRepository,
 ) {
     val errorsManager: ErrorsManager = tabState.errorsManager
     val selectedItem: StateFlow<SelectedItem> = tabState.selectedItem
@@ -262,6 +266,15 @@ class TabViewModel @Inject constructor(
         repositoryManager.initLocalRepo(repoDir)
         openRepository(repoDir)
     }
+
+    suspend fun latestRelease(): Update? = withContext(Dispatchers.IO) {
+        try {
+            updatesRepository.latestRelease()
+        } catch (ex: Exception) {
+            ex.printStackTrace()
+            null
+        }
+    }
 }
 
 

src/main/resources/grade.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/></svg>