Initial commit

core/data/src/androidMain/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

core/data/src/androidMain/kotlin/ru/tanexc/hemoanalysis/usecase/GetModelFileUseCaseImpl.android.kt

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+package ru.tanexc.hemoanalysis.usecase
+
+import android.content.Context
+import android.util.Log
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
+import ru.tanexc.hemoanalysis.Constants.INTERNAL_MODELS_DIR
+import ru.tanexc.hemoanalysis.domain.repository.ModelRepository
+import ru.tanexc.hemoanalysis.domain.usecase.GetLatestModelFileUseCase
+import java.io.File
+
+internal actual class GetLatestModelFileUseCaseImpl : GetLatestModelFileUseCase, KoinComponent {
+    private val context: Context by inject()
+    private val modelRepository: ModelRepository by inject()
+
+    actual override operator fun invoke(): ByteArray? {
+        val filename = modelRepository.getCurrentModelInfo()?.filename?: return null
+
+        val modelsDir = File(context.filesDir, INTERNAL_MODELS_DIR)
+
+        if (!modelsDir.exists()) return null
+
+        val modelFile = File(modelsDir, filename)
+
+        if (!modelFile.exists()) return null
+
+        Log.i("GetLatestModelFileUseCase", "get model bytearray ${modelFile.absolutePath}")
+
+        return modelFile.inputStream().buffered().use { inputStream ->
+            inputStream.readBytes()
+        }
+    }
+}

core/data/src/androidMain/kotlin/ru/tanexc/hemoanalysis/usecase/GetModelPathUseCaseImpl.android.kt

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+package ru.tanexc.hemoanalysis.usecase
+
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
+import ru.tanexc.hemoanalysis.domain.repository.ModelRepository
+import ru.tanexc.hemoanalysis.domain.usecase.GetModelPathUseCase
+import kotlin.getValue
+
+actual class GetModelPathUseCaseImpl actual constructor() : GetModelPathUseCase, KoinComponent {
+    private val modelRepository: ModelRepository by inject()
+
+    actual override fun invoke(): String? {
+        return modelRepository.getCurrentModelInfo()?.filename
+    }
+}

core/data/src/androidMain/kotlin/ru/tanexc/hemoanalysis/usecase/SaveModelFileUseCaseImpl.android.kt

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+package ru.tanexc.hemoanalysis.usecase
+
+import android.content.Context
+import android.util.Log
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
+import ru.tanexc.hemoanalysis.Constants.INTERNAL_MODELS_DIR
+import ru.tanexc.hemoanalysis.domain.model.Size
+import ru.tanexc.hemoanalysis.domain.usecase.BytesReader
+import ru.tanexc.hemoanalysis.domain.usecase.SaveModelFileUseCase
+import java.io.File
+
+internal actual class SaveModelFileUseCaseImpl : SaveModelFileUseCase, KoinComponent {
+    val context: Context by inject()
+
+    actual override suspend operator fun invoke(
+        filename: String,
+        bytesReader: BytesReader
+    ): Size {
+        val modelsDir = File(context.filesDir, INTERNAL_MODELS_DIR)
+        modelsDir.mkdirs()
+
+        Log.i("SaveModelFileUseCase", "saving model into ${modelsDir.absolutePath}")
+
+        val modelFile = File(modelsDir, filename)
+
+        modelFile.outputStream().buffered().use { output ->
+            var bytes = bytesReader.readNext(BUFFER_SIZE)
+
+            while (bytes.isNotEmpty()) {
+                output.write(bytes)
+                bytes = bytesReader.readNext(BUFFER_SIZE)
+            }
+        }
+
+        Log.i("SaveModelFileUseCase", "model saved into file $modelFile ${modelFile.length()}")
+
+        return Size(modelFile.length().toInt())
+    }
+
+    private val BUFFER_SIZE = 1024 * 1024
+}