feat: Add dynamic module ViewModel and Repository

agrilinkvocpro/app/src/main/java/com/syaroful/agrilinkvocpro/di/DynamicModuleRepository.kt

@@ -0,0 +1,35 @@
+package com.syaroful.agrilinkvocpro.di
+
+import com.google.android.gms.tasks.Task
+import com.google.android.play.core.splitinstall.SplitInstallManager
+import com.google.android.play.core.splitinstall.SplitInstallRequest
+import com.google.android.play.core.splitinstall.SplitInstallStateUpdatedListener
+import javax.inject.Inject
+
+class DynamicModuleRepository @Inject constructor(
+    private val splitInstallManager: SplitInstallManager
+) {
+    private var sessionId = 0
+
+    fun isModuleDownloaded(moduleName: String): Boolean {
+        return splitInstallManager.installedModules.contains(moduleName)
+    }
+
+    fun startDownload(
+        moduleName: String,
+        listener: SplitInstallStateUpdatedListener
+    ): Task<Int> {
+        val request = SplitInstallRequest.newBuilder()
+            .addModule(moduleName)
+            .build()
+        splitInstallManager.registerListener(listener)
+        return splitInstallManager.startInstall(request)
+            .addOnSuccessListener { id -> sessionId = id }
+    }
+
+    fun unregisterListener(listener: SplitInstallStateUpdatedListener){
+        splitInstallManager.unregisterListener(listener)
+    }
+
+    fun getSessionId() = sessionId
+}

agrilinkvocpro/app/src/main/java/com/syaroful/agrilinkvocpro/viewModel/DynamicModuleViewModel.kt

@@ -0,0 +1,75 @@
+package com.syaroful.agrilinkvocpro.viewModel
+
+import androidx.lifecycle.ViewModel
+import com.google.android.play.core.splitinstall.SplitInstallException
+import com.google.android.play.core.splitinstall.SplitInstallStateUpdatedListener
+import com.google.android.play.core.splitinstall.model.SplitInstallErrorCode
+import com.google.android.play.core.splitinstall.model.SplitInstallSessionStatus
+import com.syaroful.agrilinkvocpro.DownloadState
+import com.syaroful.agrilinkvocpro.di.DynamicModuleRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import javax.inject.Inject
+
+@HiltViewModel
+class DynamicModuleViewModel @Inject constructor(
+    private val repository: DynamicModuleRepository
+) : ViewModel() {
+    private val _downloadState = MutableStateFlow<DownloadState>(DownloadState.Idle)
+    val downloadState: StateFlow<DownloadState> = _downloadState.asStateFlow()
+
+    private val listener = SplitInstallStateUpdatedListener { state ->
+        if (state.sessionId() == repository.getSessionId()) {
+            when (state.status()) {
+                SplitInstallSessionStatus.DOWNLOADING -> {
+                    val progress = if (state.totalBytesToDownload() > 0)
+                        state.bytesDownloaded().toFloat() / state.totalBytesToDownload()
+                    else 0f
+                    _downloadState.value = DownloadState.DownloadingWithProgress(progress)
+                }
+
+                SplitInstallSessionStatus.DOWNLOADED -> _downloadState.value =
+                    DownloadState.Downloaded
+
+                SplitInstallSessionStatus.INSTALLED -> _downloadState.value =
+                    DownloadState.Installed
+
+                SplitInstallSessionStatus.FAILED -> _downloadState.value =
+                    DownloadState.Failed("Installation Failed")
+
+                SplitInstallSessionStatus.CANCELED -> _downloadState.value =
+                    DownloadState.Failed("Installation Canceled")
+
+                else -> {}
+            }
+        }
+    }
+
+    fun isModuleDownloaded(moduleName: String): Boolean {
+        return repository.isModuleDownloaded(moduleName)
+    }
+
+    fun downloadModule(moduleName: String) {
+        _downloadState.value = DownloadState.Starting
+        repository.startDownload(moduleName, listener)
+            .addOnFailureListener { exception ->
+                val errorCode = (exception as? SplitInstallException)?.errorCode ?: -1
+                val errorMessage = when (errorCode) {
+                    SplitInstallErrorCode.NETWORK_ERROR -> "No Internet Connection"
+                    SplitInstallErrorCode.MODULE_UNAVAILABLE -> "Module Unavailable"
+                    SplitInstallErrorCode.ACTIVE_SESSIONS_LIMIT_EXCEEDED -> "Active Session Limit Exceeded"
+                    SplitInstallErrorCode.INSUFFICIENT_STORAGE -> "Insufficient Storage"
+                    SplitInstallErrorCode.PLAY_STORE_NOT_FOUND -> "Play Store Not Found"
+                    else -> "Unknown Error: $errorCode"
+                }
+                _downloadState.value = DownloadState.Failed(errorMessage)
+            }
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        repository.unregisterListener(listener)
+    }
+}