add file save code in CaptureWithExternalCameraUseCase [#58]

domain/src/main/java/com/foke/together/domain/interactor/CaptureWithExternalCameraUseCase.kt

@@ -1,20 +1,25 @@
 package com.foke.together.domain.interactor
 
+import android.content.Context
 import com.foke.together.domain.output.ExternalCameraRepositoryInterface
 import com.foke.together.util.AppLog
+import com.foke.together.util.ImageFileUtil
+import com.foke.together.util.TimeUtil
+import dagger.hilt.android.qualifiers.ApplicationContext
 import javax.inject.Inject
 
+// TODO: CameraScreen에서  filepath를 TimeUtil.getCurrentTimeSec() 로 전달
+//  filepath를 ScameraScreen -> GenerateScreen -> ShareScreen 로 전달
+//  추후에는 filepath를 presenter에서 관리하지 않도록 해야 할듯
 class CaptureWithExternalCameraUseCase @Inject constructor(
+    @ApplicationContext private val context: Context,
     private val externalCameraRepository: ExternalCameraRepositoryInterface
 ) {
-    suspend operator fun invoke(): Result<Unit> {
+    suspend operator fun invoke(filepath: String): Result<Unit> {
         externalCameraRepository.capture()
             .onSuccess {
-                // TODO: save Bitmap to internal storage
-                AppLog.i(TAG, "capture", "success: $it")
-
-                // TODO: implement file save code here ...
-
+                // TODO: create file module in phase4
+                ImageFileUtil.saveBitmap(context, it, filepath, TimeUtil.getCurrentTimeMillis())
                 return Result.success(Unit)
             }
             .onFailure {

util/src/main/java/com/foke/together/util/ImageFileUtil.kt

@@ -19,32 +19,34 @@ object ImageFileUtil {
     suspend fun saveGraphicsLayer(
         context: Context,
         graphicsLayer: GraphicsLayer,
+        filepath: String,
         fileName: String
     ): Uri {
         var uri : Uri = Uri.EMPTY
         val bitmap = graphicsLayer.toImageBitmap()
-        bitmap.asAndroidBitmap().saveToDisk(context, fileName)
+        bitmap.asAndroidBitmap().saveToInternalStorage(context, filepath, fileName)
         return uri
     }
 
     suspend fun saveBitmap(
         context: Context,
         bitmap: Bitmap,
+        filepath: String,
         fileName: String
     ): Uri {
-        var uri : Uri = Uri.EMPTY
-        bitmap.saveToDisk(context, fileName)
+        // TODO: implement to use uri
+        val uri : Uri = Uri.EMPTY
+        bitmap.saveToInternalStorage(context, filepath, fileName)
         return uri
     }
 
-    private suspend fun Bitmap.saveToDisk(context: Context, fileName: String): Uri {
-        val file = File(
-            context.filesDir,
-            fileName + ".jpg"
-        )
+    private suspend fun Bitmap.saveToInternalStorage(context: Context, filepath: String, filename: String): Uri {
+        val baseDir = context.filesDir.absoluteFile
+        val path = File("$baseDir$filepath")
+        if (!path.exists()) { path.mkdirs() }
 
+        val file = File(filepath, "$filename.jpeg")
         file.writeBitmap(this, Bitmap.CompressFormat.JPEG, 100)
-
         return scanFilePath(context, file.path) ?: throw Exception("File could not be saved")
     }
 

util/src/main/java/com/foke/together/util/TimeUtil.kt

@@ -1,9 +1,32 @@
 package com.foke.together.util
 
+import java.text.SimpleDateFormat
+import java.util.Date
+
 object TimeUtil {
-    fun getCurrentTime(): String {
-        // TODO. Implement this function
-        //  - output format example: "2024.09.27"
-        return "2024.09.27"
+    fun getCurrentDisplayTime(): String {
+        val dateFormat = "yyyy.MM.dd"
+        val date = Date(System.currentTimeMillis())
+        val simpleDateFormat = SimpleDateFormat(dateFormat)
+        val simpleDate: String = simpleDateFormat.format(date)
+        return simpleDate
+    }
+
+    fun getCurrentTimeSec(): String {
+        val timeFormat = "yyyyMMddHHmmss"
+        // TODO: LocalDate로 변경
+        val time = Date(System.currentTimeMillis())
+        val simpleTimeFormat = SimpleDateFormat(timeFormat)
+        val simpleTime: String = simpleTimeFormat.format(time)
+        return simpleTime
+    }
+
+    fun getCurrentTimeMillis(): String {
+        val timeFormat = "yyyyMMddHHmmssSSS"
+        // TODO: LocalDate로 변경
+        val time = Date(System.currentTimeMillis())
+        val simpleTimeFormat = SimpleDateFormat(timeFormat)
+        val simpleTime: String = simpleTimeFormat.format(time)
+        return simpleTime
     }
 }