auth to server-V52

app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt

@@ -39,6 +39,12 @@ interface TecnologiaApi {
         @Part file: MultipartBody.Part
     ): Response<Unit>
 
+    @Multipart
+    @POST("api/me/banner")
+    suspend fun uploadBanner(
+        @Part file: MultipartBody.Part
+    ): Response<Unit>
+
     // 發送好友請求
     @POST("api/friends/request")
     suspend fun sendFriendRequest(

app/src/main/java/com/example/login_v3/data/repository/basic/Personal_Profile_Repository.kt

@@ -4,6 +4,7 @@ import com.example.login_v3.data.api.TecnologiaApi
 import com.example.login_v3.data.api.api_class.UserProfile
 import com.example.login_v3.data.api.api_class.UserProfileUpdateRequest
 import okhttp3.MultipartBody
+import retrofit2.Response
 import javax.inject.Inject
 
 class PersonalProfileRepository @Inject constructor(
@@ -40,10 +41,13 @@ class PersonalProfileRepository @Inject constructor(
     }
 
     // 3. 上傳頭像圖片 (POST)
-    suspend fun uploadAvatar(avatarPart: MultipartBody.Part): Result<Unit> {
+    // 通用的上傳邏輯
+    private suspend fun uploadImage(
+        filePart: MultipartBody.Part,
+        uploadAction: suspend (MultipartBody.Part) -> Response<Unit>
+    ): Result<Unit> {
         return try {
-            val response = api.uploadAvatar(avatarPart)
+            val response = uploadAction(filePart)
-
             if (response.isSuccessful) {
                 Result.success(Unit)
             } else {
@@ -53,4 +57,11 @@ class PersonalProfileRepository @Inject constructor(
             Result.failure(e)
         }
     }
+
+    // 外部呼叫時依然保有語意化的名稱
+    suspend fun uploadAvatar(avatarPart: MultipartBody.Part) =
+        uploadImage(avatarPart, api::uploadAvatar)
+
+    suspend fun uploadBanner(bannerPart: MultipartBody.Part) =
+        uploadImage(bannerPart, api::uploadBanner)
 }

app/src/main/java/com/example/login_v3/home/setting/setting_detail_page/detail_UI/setting_Profile_Page.kt

@@ -1,5 +1,6 @@
 package com.example.login_v3.home.setting.setting_detail_page.detail_UI
 
+import android.net.Uri
 import android.util.Log
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.PickVisualMediaRequest
@@ -107,14 +108,17 @@ fun Loaded_setting_profile_page(
 
     //image chooser
     val context = LocalContext.current // 務必獲取 Context，uploadAvatar 需要它來解析 Uri
-    val launcher = rememberLauncherForActivityResult(
+    //avatar
-        contract = ActivityResultContracts.PickVisualMedia()
+    val avatarLauncher = rememberLauncherForActivityResult(
-    ) { uri ->
+        contract = ActivityResultContracts.PickVisualMedia() // 這裡改掉
-        if (uri != null) {
+    ) { uri: Uri? ->
-            // ✅ 修正：呼叫上傳圖片的函式，而不是更新網址字串的函式
+        uri?.let { viewModel.uploadAvatar(context, it) }
-            viewModel.uploadAvatar(context, uri)
-            Log.d("AvatarURL", "目前的圖片網址為: ${profile.avatar_url}")
     }
+    //banner
+    val bannerLauncher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.PickVisualMedia() // 這裡改掉
+    ) { uri: Uri? ->
+        uri?.let { viewModel.uploadBanner(context, it) }
     }
 
     Column(
@@ -160,13 +164,15 @@ fun Loaded_setting_profile_page(
                             .clip(RoundedCornerShape(16.dp))
                     ){
                         // 1. 封面圖 (背景)
-                        Image(
+                        AsyncImage(
-                            painter = painterResource(id = R.drawable.thumbnail_v1),
+                            model = profile.banner_url,
-                            contentDescription = null,
+                            contentDescription = "Avatar of ${profile.display_name}",
-                            contentScale = ContentScale.Crop,
                             modifier = Modifier
                                 .fillMaxWidth()
                                 .height(180.dp)
+                            ,
+                            contentScale = ContentScale.Crop,
+                            error = painterResource(R.drawable.thumbnail_v1)
                         )
                     }
 
@@ -189,7 +195,7 @@ fun Loaded_setting_profile_page(
                                 .clip(CircleShape)
                                 .clickable {
                                     // 假設你拿到了一個新網址
-                                    launcher.launch(PickVisualMediaRequest(ActivityResultContracts.PickVisualMedia.ImageOnly))
+                                    avatarLauncher.launch(PickVisualMediaRequest(ActivityResultContracts.PickVisualMedia.ImageOnly))
                                 }
                             ,
                             contentScale = ContentScale.Crop,

app/src/main/java/com/example/login_v3/home/setting/setting_detail_page/viewmodel/Profile_Viewmodel.kt

@@ -81,38 +81,50 @@ class PersonalProfileViewModel @Inject constructor(
     }
 
     // upload image
-    fun uploadAvatar(context: Context, uri: Uri) {
+    // 1. 定義一個通用的處理邏輯
+    private fun handleImageUpload(
+        context: Context,
+        uri: Uri,
+        isAvatar: Boolean // 用來區分檔案名稱或特定邏輯
+    ) {
         viewModelScope.launch {
-            // 如果你想要在上傳時讓 UI 顯示 Loading，可以在這開啟
+            _uiState.value = ProfileUiState.Loading
-            // _uiState.value = ProfileUiState.Loading
 
             try {
-                // 1. 從 Uri 取得 InputStream 並讀取 Bytes
+                // 從 Uri 讀取檔案
-                val inputStream = context.contentResolver.openInputStream(uri)
+                val bytes = context.contentResolver.openInputStream(uri)?.use { it.readBytes() }
-                val bytes = inputStream?.use { it.readBytes() } ?: return@launch
+                if (bytes == null) {
+                    _uiState.value = ProfileUiState.Error("無法讀取檔案")
+                    return@launch
+                }
 
-                // 2. 封裝成 RequestBody (指定為圖片格式)
                 val requestFile = bytes.toRequestBody("image/*".toMediaTypeOrNull())
 
-                // 3. 建立 MultipartBody.Part
+                // 根據類型決定檔名（雖然通常後端只看 Part Name，但給正確副檔名比較保險）
-                // 注意："avatar" 必須跟後端 @Part("avatar") 裡面的名稱一模一樣
+                val fileName = if (isAvatar) "avatar.jpg" else "banner.jpg"
-                val body = MultipartBody.Part.createFormData("file", "avatar.jpg", requestFile)
+                val body = MultipartBody.Part.createFormData("file", fileName, requestFile)
 
-                // 4. 呼叫 Repository
+                // 根據類型呼叫對應的 Repository 方法
+                val result = if (isAvatar) {
                     repository.uploadAvatar(body)
-                    .onSuccess {
+                } else {
-                        // 上傳成功後，最保險的做法是重新 fetch 一次個人資料
+                    repository.uploadBanner(body)
-                        // 這樣 UI 上的頭像網址才會更新成後端最新儲存的網址
-                        fetchProfile()
                 }
-                    .onFailure { e ->
+
-                        // 處理錯誤，例如發送一個錯誤訊息給 UI
+                result.onSuccess {
+                    fetchProfile() // 成功後統一刷新資料
+                }.onFailure { e ->
                     _uiState.value = ProfileUiState.Error(e.localizedMessage ?: "上傳失敗")
                 }
+
             } catch (e: Exception) {
-                _uiState.value = ProfileUiState.Error("讀取檔案出錯: ${e.message}")
+                _uiState.value = ProfileUiState.Error("處理檔案時發生錯誤: ${e.message}")
             }
         }
     }
 
+    // 2. 對外暴露的簡潔方法
+    fun uploadAvatar(context: Context, uri: Uri) = handleImageUpload(context, uri, true)
+    fun uploadBanner(context: Context, uri: Uri) = handleImageUpload(context, uri, false)
+
 }