[BOOK-275] refactor: 파일 읽기 및 인코딩을 CloudOcrRecognizer에서 처리

Author: seoyoon513

core/ocr/src/main/kotlin/com/ninecraft/booket/core/ocr/analyzer/CloudOcrRecognizer.kt

@@ -1,5 +1,7 @@
 package com.ninecraft.booket.core.ocr.analyzer
 
+import android.net.Uri
+import android.util.Base64
 import com.ninecraft.booket.core.common.utils.runSuspendCatching
 import com.ninecraft.booket.core.ocr.BuildConfig
 import com.ninecraft.booket.core.ocr.model.AnnotateImageRequest
@@ -9,25 +11,35 @@ import com.ninecraft.booket.core.ocr.model.Feature
 import com.ninecraft.booket.core.ocr.model.ImageContext
 import com.ninecraft.booket.core.ocr.model.VisionImage
 import com.ninecraft.booket.core.ocr.service.CloudVisionService
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.io.File
 import javax.inject.Inject
 
 class CloudOcrRecognizer @Inject constructor(
     private val service: CloudVisionService,
 ) {
-    suspend fun recognizeText(base64Image: String): Result<CloudVisionResponse> = runSuspendCatching {
-        val request = CloudVisionRequest(
-            requests = listOf(
-                AnnotateImageRequest(
-                    image = VisionImage(base64Image),
-                    features = listOf(Feature(type = "TEXT_DETECTION")),
-                    imageContext = ImageContext(languageHints = null),
+    suspend fun recognizeText(imageUri: Uri): Result<CloudVisionResponse> = runSuspendCatching {
+        withContext(Dispatchers.IO) {
+            val filePath = imageUri.path ?: throw IllegalArgumentException("URI does not have a valid path.")
+            val file = File(filePath)
+            val byte = file.readBytes()
+            val base64Image = Base64.encodeToString(byte, Base64.NO_WRAP)
+
+            val request = CloudVisionRequest(
+                requests = listOf(
+                    AnnotateImageRequest(
+                        image = VisionImage(base64Image),
+                        features = listOf(Feature(type = "TEXT_DETECTION")),
+                        imageContext = ImageContext(languageHints = null),
+                    ),
                 ),
-            ),
-        )
+            )
 
-        service.batchAnnotateImage(
-            apiKey = BuildConfig.CLOUD_VISION_API_KEY,
-            body = request,
-        )
+            service.batchAnnotateImage(
+                apiKey = BuildConfig.CLOUD_VISION_API_KEY,
+                body = request,
+            )
+        }
     }
 }

feature/record/src/main/kotlin/com/ninecraft/booket/feature/record/ocr/OcrPresenter.kt

@@ -1,6 +1,6 @@
 package com.ninecraft.booket.feature.record.ocr
 
-import android.util.Base64
+import android.net.Uri
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -41,11 +41,11 @@ class OcrPresenter @AssistedInject constructor(
         var isLoading by rememberRetained { mutableStateOf(false) }
         var sideEffect by rememberRetained { mutableStateOf<OcrSideEffect?>(null) }
 
-        fun recognizeText(base64Image: String) {
+        fun recognizeText(imageUri: Uri) {
             scope.launch {
                 try {
                     isLoading = true
-                    recognizer.recognizeText(base64Image)
+                    recognizer.recognizeText(imageUri)
                         .onSuccess {
                             val text = it.responses.firstOrNull()?.fullTextAnnotation?.text.orEmpty()
                             recognizedText = text
@@ -100,8 +100,7 @@ class OcrPresenter @AssistedInject constructor(
                 is OcrUiEvent.OnCaptureButtonClick -> {
                     isTextDetectionFailed = false
 
-                    val base64Image = Base64.encodeToString(event.imageData, Base64.NO_WRAP)
-                    recognizeText(base64Image)
+                    recognizeText(event.imageUri)
                 }
 
                 is OcrUiEvent.OnReCaptureButtonClick -> {

feature/record/src/main/kotlin/com/ninecraft/booket/feature/record/ocr/OcrUi.kt

@@ -51,6 +51,7 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.core.content.ContextCompat
+import androidx.core.net.toUri
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.compose.LocalLifecycleOwner
@@ -260,8 +261,7 @@ private fun CameraPreview(
                             executor,
                             object : ImageCapture.OnImageSavedCallback {
                                 override fun onImageSaved(outputFileResults: ImageCapture.OutputFileResults) {
-                                    val bytes = photoFile.readBytes()
-                                    state.eventSink(OcrUiEvent.OnCaptureButtonClick(bytes))
+                                    state.eventSink(OcrUiEvent.OnCaptureButtonClick(photoFile.toUri()))
                                 }
 
                                 override fun onError(exception: ImageCaptureException) {

feature/record/src/main/kotlin/com/ninecraft/booket/feature/record/ocr/OcrUiState.kt

@@ -1,5 +1,6 @@
 package com.ninecraft.booket.feature.record.ocr
 
+import android.net.Uri
 import androidx.compose.runtime.Immutable
 import com.slack.circuit.runtime.CircuitUiEvent
 import com.slack.circuit.runtime.CircuitUiState
@@ -31,7 +32,7 @@ sealed interface OcrUiEvent : CircuitUiEvent {
     data object OnCloseClick : OcrUiEvent
     data object OnShowPermissionDialog : OcrUiEvent
     data object OnHidePermissionDialog : OcrUiEvent
-    data class OnCaptureButtonClick(val imageData: ByteArray) : OcrUiEvent
+    data class OnCaptureButtonClick(val imageUri: Uri) : OcrUiEvent
     data object OnReCaptureButtonClick : OcrUiEvent
     data object OnSelectionConfirmed : OcrUiEvent
     data object OnRecaptureDialogConfirmed : OcrUiEvent