◀️ resolve #42

build.gradle.kts

@@ -10,7 +10,7 @@ plugins {
 }
 
 group = "com.theapache64"
-version = "1.0.0-rc1" // TODO : Change in App.kt also
+version = "1.0.0-rc2" // TODO : Change in App.kt also
 
 repositories {
     // mavenLocal()

src/main/kotlin/com/theapache64/stackzy/App.kt

@@ -39,7 +39,8 @@ fun main() {
     //TODO: This should be read from properties file generated by build-process/gradle
     val appArgs = AppArgs(
         appName = "Stackzy",
-        version = "v1.0.0-rc1",
+        version = "v1.0.0-rc2",
+        versionCode = 20210404
     )
 
     // Passing args

src/main/kotlin/com/theapache64/stackzy/data/local/AppArgs.kt

@@ -2,5 +2,6 @@ package com.theapache64.stackzy.data.local
 
 data class AppArgs(
     val appName: String,
-    val version: String
+    val version: String,
+    val versionCode: Int
 )

src/main/kotlin/com/theapache64/stackzy/data/remote/Config.kt

@@ -9,4 +9,6 @@ data class Config(
     val shouldConsiderResultCache: Boolean,
     @Json(name = "latest_stackzy_lib_version")
     val latestStackzyLibVersion: Int,
+    @Json(name = "mandatory_version_code")
+    val mandatoryVersionCode: Int,
 )

src/main/kotlin/com/theapache64/stackzy/di/AppComponent.kt

@@ -11,6 +11,7 @@ import com.theapache64.stackzy.ui.feature.pathway.PathwayScreenComponent
 import com.theapache64.stackzy.ui.feature.selectapp.SelectAppScreenComponent
 import com.theapache64.stackzy.ui.feature.selectdevice.SelectDeviceScreenComponent
 import com.theapache64.stackzy.ui.feature.splash.SplashScreenComponent
+import com.theapache64.stackzy.ui.feature.update.UpdateScreenComponent
 import dagger.Component
 import javax.inject.Singleton
 
@@ -30,7 +31,7 @@ interface AppComponent {
     fun inject(selectAppScreenComponent: SelectAppScreenComponent)
     fun inject(appDetailScreenComponent: AppDetailScreenComponent)
     fun inject(selectDeviceScreenComponent: SelectDeviceScreenComponent)
-
+    fun inject(updateScreenComponent: UpdateScreenComponent)
     // bind repo to this component
     fun bind(): AdbRepo
 }

src/main/kotlin/com/theapache64/stackzy/ui/feature/splash/SplashScreen.kt

@@ -22,12 +22,19 @@ import com.theapache64.stackzy.ui.common.Logo
 @Composable
 fun SplashScreen(
     splashViewModel: SplashViewModel,
-    onSyncFinished: () -> Unit
+    onSyncFinished: () -> Unit,
+    onUpdateNeeded: () -> Unit
 ) {
 
     val isSyncFinished by splashViewModel.isSyncFinished.collectAsState()
     val syncFailedReason by splashViewModel.syncFailedMsg.collectAsState()
     val syncMessage by splashViewModel.syncMsg.collectAsState()
+    val shouldUpdate by splashViewModel.shouldUpdate.collectAsState()
+
+    if (shouldUpdate) {
+        onUpdateNeeded()
+        return
+    }
 
     if (isSyncFinished) {
         onSyncFinished()

src/main/kotlin/com/theapache64/stackzy/ui/feature/splash/SplashScreenComponent.kt

@@ -15,7 +15,8 @@ import javax.inject.Inject
 class SplashScreenComponent(
     appComponent: AppComponent,
     private val componentContext: ComponentContext,
-    private val onSyncFinished: () -> Unit
+    private val onSyncFinished: () -> Unit,
+    private val onUpdateNeeded: () -> Unit,
 ) : Component, ComponentContext by componentContext {
 
     @Inject
@@ -38,7 +39,8 @@ class SplashScreenComponent(
 
         SplashScreen(
             splashViewModel = splashViewModel,
-            onSyncFinished = onSyncFinished
+            onSyncFinished = onSyncFinished,
+            onUpdateNeeded = onUpdateNeeded
         )
     }
 

src/main/kotlin/com/theapache64/stackzy/ui/feature/splash/SplashViewModel.kt

@@ -1,5 +1,7 @@
 package com.theapache64.stackzy.ui.feature.splash
 
+import com.theapache64.stackzy.App
+import com.theapache64.stackzy.data.remote.Config
 import com.theapache64.stackzy.data.repo.AdbRepo
 import com.theapache64.stackzy.data.repo.ConfigRepo
 import com.theapache64.stackzy.data.repo.LibrariesRepo
@@ -98,8 +100,12 @@ class SplashViewModel @Inject constructor(
                     _syncMsg.value = "Syncing config..."
                 }
                 is Resource.Success -> {
-                    configRepo.saveConfigToLocal(it.data)
-                    onSuccess()
+                    val config = it.data
+                    val isConfigVerified = verifyConfig(config)
+                    if (isConfigVerified) {
+                        configRepo.saveConfigToLocal(config)
+                        onSuccess()
+                    }
                 }
                 is Resource.Error -> {
                     _syncFailedMsg.value = it.errorData
@@ -108,6 +114,20 @@ class SplashViewModel @Inject constructor(
         }
     }
 
+
+    private val _shouldUpdate = MutableStateFlow(false)
+    val shouldUpdate: StateFlow<Boolean> = _shouldUpdate
+
+    private fun verifyConfig(config: Config): Boolean {
+        val isUpdateNeeded = App.appArgs.versionCode < config.mandatoryVersionCode // currentVersion < mandatoryVersion
+        return if (isUpdateNeeded) {
+            _shouldUpdate.value = true
+            false
+        } else {
+            true
+        }
+    }
+
     private suspend fun checkAndFixAdb(
         onSuccess: suspend () -> Unit
     ) {

src/main/kotlin/com/theapache64/stackzy/ui/feature/update/UpdateScreen.kt

@@ -0,0 +1,27 @@
+package com.theapache64.stackzy.ui.feature.update
+
+import androidx.compose.material.Button
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import com.theapache64.stackzy.App
+import com.theapache64.stackzy.ui.common.FullScreenError
+
+@Composable
+fun UpdateScreen(
+    viewModel: UpdateScreenViewModel
+) {
+    FullScreenError(
+        title = "Update",
+        message = "Looks like you're using an older version of ${App.appArgs.appName}." +
+                  "Please download the latest version and update. Thank you :)",
+        action = {
+            Button(
+                onClick = {
+                    viewModel.onUpdateClicked()
+                }
+            ) {
+                Text(text = "UPDATE")
+            }
+        }
+    )
+}

src/main/kotlin/com/theapache64/stackzy/ui/feature/update/UpdateScreenComponent.kt

@@ -0,0 +1,27 @@
+package com.theapache64.stackzy.ui.feature.update
+
+import androidx.compose.runtime.Composable
+import com.arkivanov.decompose.ComponentContext
+import com.theapache64.stackzy.di.AppComponent
+import com.theapache64.stackzy.ui.navigation.Component
+import javax.inject.Inject
+
+class UpdateScreenComponent(
+    appComponent: AppComponent,
+    private val componentContext: ComponentContext
+) : Component, ComponentContext by componentContext {
+
+    @Inject
+    lateinit var viewModel: UpdateScreenViewModel
+
+    init {
+        appComponent.inject(this)
+    }
+
+    @Composable
+    override fun render() {
+        UpdateScreen(
+            viewModel
+        )
+    }
+}

src/main/kotlin/com/theapache64/stackzy/ui/feature/update/UpdateScreenViewModel.kt

@@ -0,0 +1,17 @@
+package com.theapache64.stackzy.ui.feature.update
+
+import java.awt.Desktop
+import java.net.URI
+import javax.inject.Inject
+
+class UpdateScreenViewModel @Inject constructor(
+
+) {
+    companion object {
+        private const val LATEST_VERSION_URL = "https://github.com/theapache64/stackzy/releases/latest"
+    }
+
+    fun onUpdateClicked() {
+        Desktop.getDesktop().browse(URI(LATEST_VERSION_URL))
+    }
+}

src/main/kotlin/com/theapache64/stackzy/ui/navigation/NavHostComponent.kt

@@ -17,6 +17,7 @@ import com.theapache64.stackzy.ui.feature.pathway.PathwayScreenComponent
 import com.theapache64.stackzy.ui.feature.selectapp.SelectAppScreenComponent
 import com.theapache64.stackzy.ui.feature.selectdevice.SelectDeviceScreenComponent
 import com.theapache64.stackzy.ui.feature.splash.SplashScreenComponent
+import com.theapache64.stackzy.ui.feature.update.UpdateScreenComponent
 import com.theapache64.stackzy.util.ApkSource
 import com.toxicbakery.logging.Arbor
 import java.awt.Desktop
@@ -45,6 +46,8 @@ class NavHostComponent(
             val apkSource: ApkSource<AndroidDevice, Account>,
             val androidApp: AndroidApp
         ) : Config()
+
+        object Update : Config()
     }
 
     private val appComponent: AppComponent = DaggerAppComponent
@@ -66,7 +69,8 @@ class NavHostComponent(
             is Config.Splash -> SplashScreenComponent(
                 appComponent = appComponent,
                 componentContext = componentContext,
-                onSyncFinished = ::onSplashSyncFinished
+                onSyncFinished = ::onSplashSyncFinished,
+                onUpdateNeeded = ::onUpdateNeeded
             )
             is Config.SelectPathway -> PathwayScreenComponent(
                 appComponent = appComponent,
@@ -104,6 +108,11 @@ class NavHostComponent(
                 onLibrarySelected = ::onLibrarySelected,
                 onBackClicked = ::onBackClicked
             )
+
+            is Config.Update -> UpdateScreenComponent(
+                appComponent = appComponent,
+                componentContext = componentContext
+            )
         }
     }
 
@@ -198,6 +207,13 @@ class NavHostComponent(
         Desktop.getDesktop().browse(URI(library.website))
     }
 
+    /**
+     * Invoked when an update is necessary
+     */
+    private fun onUpdateNeeded() {
+        router.push(Config.Update)
+    }
+
     /**
      * Invoked when back arrow pressed
      */