feat(newsletter): implement image fetching from WordPress storage (#32)

Author: Theo-lbg

app/src/main/java/com/xpeho/xpeapp/data/service/FirebaseService.kt

@@ -1,13 +1,9 @@
 package com.xpeho.xpeapp.data.service
 
-import android.graphics.BitmapFactory
 import android.util.Log
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.graphics.asImageBitmap
 import com.google.firebase.FirebaseException
 import com.google.firebase.auth.FirebaseAuth
 import com.google.firebase.firestore.FirebaseFirestore
-import com.google.firebase.storage.FirebaseStorage
 import com.xpeho.xpeapp.data.FEATURE_FLIPPING_COLLECTION
 import com.xpeho.xpeapp.data.NEWSLETTERS_COLLECTION
 import com.xpeho.xpeapp.data.model.FeatureFlipping
@@ -84,20 +80,4 @@ class FirebaseService {
         return newslettersList.sortedByDescending { it.date }
     }
 
-    suspend fun getLastNewsletterPreview(previewPath: String?): ImageBitmap? {
-        var imageBitmap: ImageBitmap? = null
-
-        if (previewPath != null) {
-            try {
-                val storageRef = FirebaseStorage.getInstance().reference.child(previewPath)
-                val bytes = storageRef.getBytes(Long.MAX_VALUE).await()
-                val bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.size)
-                imageBitmap = bitmap.asImageBitmap()
-            } catch (e: FirebaseException) {
-                Log.e("getLastNewsletterPreview", "Error fetching image: ", e)
-            }
-        }
-
-        return imageBitmap
-    }
 }

app/src/main/java/com/xpeho/xpeapp/data/service/WordpressRepository.kt

@@ -325,6 +325,26 @@ class WordpressRepository(
         )
     }
 
+    /// Storage features methods
+    // getImage
+    suspend fun getImage(imageName: String): ByteArray? {
+        return handleServiceExceptions(
+            tryBody = {
+                val response = api.fetchImageStorage(imageName)
+                if (response.isSuccessful) {
+                    response.body()?.bytes()
+                } else {
+                    null
+                }
+            },
+            catchBody = { e ->
+                Log.e("WordpressRepository: getImage", "Network error: ${e.message}")
+                null
+            }
+        )
+    }
+
+
     // Exceptions handling
 
     @Suppress("ReturnCount")

app/src/main/java/com/xpeho/xpeapp/data/service/WordpressService.kt

@@ -107,5 +107,10 @@ interface WordpressService {
         @Query("page") page: String = "",
         ): List<AgendaBirthday>
 
+    // Storage Feature
+    // Fetch images from storage
+    @GET("xpeho/v1/image-storage/{imageName}")
+    suspend fun fetchImageStorage(
+        @Path("imageName", encoded = true) imageName: String,
+    ): Response<okhttp3.ResponseBody>
 }
-

app/src/main/java/com/xpeho/xpeapp/ui/viewModel/newsletter/NewslettersViewModel.kt

@@ -1,5 +1,8 @@
 package com.xpeho.xpeapp.ui.viewModel.newsletter
 
+import android.graphics.BitmapFactory.decodeByteArray
+import android.util.Log
+import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.graphics.ImageBitmap
@@ -12,6 +15,7 @@ import kotlinx.coroutines.launch
 class NewsletterViewModel : ViewModel() {
 
     private val firebaseService = XpeApp.appModule.firebaseService
+    private val wordpressRepository = XpeApp.appModule.wordpressRepository
 
     val state = mutableStateOf(
         listOf<Newsletter>()
@@ -24,12 +28,23 @@ class NewsletterViewModel : ViewModel() {
         getNewsletters()
     }
 
+    // Get the newsletters from Firestore and the preview image from WordPress
     private fun getNewsletters() {
         isLoading.value = true
         viewModelScope.launch {
             state.value = firebaseService.fetchNewsletters()
             lastNewsletter.value = state.value.firstOrNull()
-            lastNewsletterPreview.value = firebaseService.getLastNewsletterPreview(lastNewsletter.value?.picture)
+            val previewPath = lastNewsletter.value?.picture
+            var imageBitmap: ImageBitmap? = null
+            if (previewPath != null) {
+                val imageBytes = wordpressRepository.getImage(previewPath)
+                if (imageBytes != null) {
+                    imageBitmap = decodeByteArray(imageBytes, 0, imageBytes.size).asImageBitmap()
+                } else {
+                    Log.e("Newsletters WordPress Image", "getImage a retourné null pour le chemin $previewPath")
+                }
+            }
+            lastNewsletterPreview.value = imageBitmap
             isLoading.value = false
         }
     }