fix lot of thing

app/view/widgets/preview_box.py

@@ -37,11 +37,11 @@ def createThumbnail(pixmap, max_size=200):
 
 
 class OptimizedPreviewBox(MessageBoxBase):
-    def __init__(self, parent=None, url=None):
+    def __init__(self, parent=None, url=None, fileId=None):
         super().__init__(parent=parent)
-        # 处理URL，确保它是完整的URL
-        self.url = self._ensure_full_url(url)
-        logger.info(f"初始化图片预览框，URL: {self.url}")
+        self.fileId = fileId  # 保存文件ID
+        self.url = url  # 暂存原始URL，可能需要作为fallback
+        logger.info(f"初始化图片预览框，文件ID: {self.fileId}, 原始URL: {self.url}")
         self.widget.setMinimumSize(500, 500)
 
         self.original_pixmap = None
@@ -58,16 +58,9 @@ class OptimizedPreviewBox(MessageBoxBase):
         self.previewLabel.setScaledContents(False)  # 重要：禁用自动缩放
         self.viewLayout.addWidget(self.previewLabel, 0, Qt.AlignmentFlag.AlignCenter)
 
-        # 使用优化的图片加载线程
-        self.imageLoaderThread = ImageLoaderThread(self.url)
-        self.imageLoaderThread.imageLoaded.connect(self.setPreviewImg)
-        self.imageLoaderThread.errorOccurred.connect(self.handleError)
-        self.imageLoaderThread.progressUpdated.connect(self.updateProgress)
-
         # 延迟启动加载，避免阻塞UI初始化
         from PyQt6.QtCore import QTimer
-
-        QTimer.singleShot(100, self.startLoading)
+        QTimer.singleShot(100, self._initImageLoading)
 
     def _ensure_full_url(self, url):
         """确保URL是完整的，添加scheme和base URL（如果缺失）"""
@@ -87,10 +80,94 @@ class OptimizedPreviewBox(MessageBoxBase):
         logger.debug(f"将相对路径转换为完整URL: {url} -> {full_url}")
         return full_url
         
-    def startLoading(self):
-        """开始加载图片"""
-        logger.info(f"开始加载图片: {self.url}")
+    def _initImageLoading(self):
+        """初始化图片加载，优先使用getFileUrl方法获取临时URL"""
+        if self.fileId:
+            logger.info(f"使用文件URI {self.fileId} 获取临时预览URL")
+            try:
+                # 使用getFileUrl方法获取临时URL
+                from app.core.api import miaoStarsBasicApi
+                response = miaoStarsBasicApi.getFileUrl(self.fileId, redirect=False)
+                
+                # 详细记录响应内容
+                logger.debug(f"getFileUrl响应: {response}")
+                
+                # 处理getFileUrl的返回值，支持多种格式
+                if isinstance(response, str):
+                    # 直接返回URL字符串的情况
+                    preview_url = response.strip('` ')
+                    logger.info(f"成功获取临时预览URL: {preview_url}")
+                    self.url = preview_url
+                elif isinstance(response, dict):
+                    # 检查是否有code字段表示错误
+                    if response.get('code') == -1:
+                        error_msg = response.get('msg', '获取临时URL失败')
+                        logger.warning(f"获取临时URL失败: {error_msg}，将使用原始URL作为fallback")
+                    # 检查是否有urls字段（Cloudreve API返回格式）
+                    elif 'urls' in response and isinstance(response['urls'], list) and len(response['urls']) > 0:
+                        preview_url = response['urls'][0].get('url', '').strip('` ')
+                        logger.info(f"成功获取临时预览URL: {preview_url}")
+                        self.url = preview_url
+                    # 检查是否有data字段（Cloudreve V4 API标准格式）
+                    elif 'data' in response:
+                        data = response['data']
+                        if isinstance(data, dict):
+                            # 如果data是字典，检查是否包含urls数组
+                            if 'urls' in data and isinstance(data['urls'], list) and len(data['urls']) > 0:
+                                preview_url = data['urls'][0].get('url', '').strip('` ')
+                                logger.info(f"成功从data中获取临时预览URL: {preview_url}")
+                                self.url = preview_url
+                            else:
+                                # 尝试将data直接转为字符串作为fallback
+                                preview_url = str(data).strip('` ')
+                                logger.warning(f"data字段不包含urls数组，使用原始data字符串: {preview_url}")
+                                self.url = preview_url
+                        else:
+                            # data不是字典，直接转为字符串
+                            preview_url = str(data).strip('` ')
+                            logger.info(f"成功获取临时预览URL: {preview_url}")
+                            self.url = preview_url
+                else:
+                    error_msg = response.get('msg', '获取临时URL失败')
+                    logger.warning(f"获取临时URL失败: {error_msg}，将使用原始URL作为fallback")
+                    if self.url:
+                        self.url = self._ensure_full_url(self.url)
+                        logger.info(f"使用处理后的fallback URL: {self.url}")
+                    else:
+                        logger.error("没有可用的URL，无法加载图片")
+                        self.handleError("没有可用的图片URL")
+                        return
+            except Exception as e:
+                logger.error(f"获取预览URL时发生异常: {str(e)}")
+                # 尝试使用备用方式处理
+                if self.url:
+                    self.url = self._ensure_full_url(self.url)
+                    logger.info(f"异常后使用处理后的fallback URL: {self.url}")
+                else:
+                    logger.error("异常后没有可用的URL，无法加载图片")
+                    self.handleError(f"获取URL异常: {str(e)}")
+                    return
+        else:
+            # 如果没有fileId，尝试处理原始URL
+            if self.url:
+                self.url = self._ensure_full_url(self.url)
+                logger.info(f"使用处理后的原始URL: {self.url}")
+            else:
+                logger.error("没有提供文件ID或URL，无法加载图片")
+                self.handleError("没有提供图片URL")
+                return
+        
+        # 创建图片加载线程
+        self.imageLoaderThread = ImageLoaderThread(self.url)
+        self.imageLoaderThread.imageLoaded.connect(self.setPreviewImg)
+        self.imageLoaderThread.errorOccurred.connect(self.handleError)
+        self.imageLoaderThread.progressUpdated.connect(self.updateProgress)
+        
+        # 开始加载
         self.imageLoaderThread.start()
+        logger.info(f"开始加载图片: {self.url}")
+        
+    # startLoading方法已被_initImageLoading替代
 
     def updateProgress(self, progress):
         """更新加载进度"""
@@ -204,8 +281,8 @@ class PreviewTextBox(MessageBoxBase):
         self.loadingCard.load()
         self.viewLayout.addWidget(self.loadingCard, 0, Qt.AlignmentFlag.AlignCenter)
 
-        # 使用文本加载线程
-        self.textLoaderThread = TextLoaderThread(url)
+        # 确保在创建线程前使用处理后的URL
+        self.textLoaderThread = TextLoaderThread(self.url, fileId=_id)
         self.textLoaderThread.textLoaded.connect(self.setTextContent)
         self.textLoaderThread.errorOccurred.connect(self.handleError)
         self.textLoaderThread.progressUpdated.connect(self.updateProgress)
@@ -311,6 +388,41 @@ class PreviewTextBox(MessageBoxBase):
         
     def startLoading(self):
         """开始加载文本"""
+        # 如果有fileId，尝试获取临时URL
+        if self._id:
+            logger.info(f"使用文件URI {self._id} 获取临时文本URL")
+            response = miaoStarsBasicApi.getFileUrl(self._id, redirect=False)
+            
+            # 处理getFileUrl的返回值，支持多种格式
+            preview_url = None
+            if isinstance(response, dict):
+                # 检查是否是Cloudreve V4 API格式 (data.urls)
+                if response.get('code') == 0 and 'data' in response:
+                    data = response['data']
+                    # 格式1: data.urls数组
+                    if isinstance(data, dict) and 'urls' in data and isinstance(data['urls'], list) and len(data['urls']) > 0:
+                        preview_url = data['urls'][0].get('url', '').strip('` ')
+                    # 格式2: data直接包含URL
+                    elif isinstance(data, str):
+                        preview_url = data.strip('` ')
+                # 检查是否直接包含urls字段
+                elif 'urls' in response and isinstance(response['urls'], list) and len(response['urls']) > 0:
+                    preview_url = response['urls'][0].get('url', '').strip('` ')
+                
+            # 如果成功获取到URL
+            if preview_url:
+                self.url = preview_url
+                logger.info(f"成功获取临时文本URL: {self.url}")
+            else:
+                error_msg = response.get('msg', '获取临时URL失败')
+                logger.warning(f"获取临时URL失败: {error_msg}，将使用处理后的原始URL")
+            
+            # 更新线程的URL和fileId
+            self.textLoaderThread = TextLoaderThread(self.url, fileId=self._id)
+            self.textLoaderThread.textLoaded.connect(self.setTextContent)
+            self.textLoaderThread.errorOccurred.connect(self.handleError)
+            self.textLoaderThread.progressUpdated.connect(self.updateProgress)
+        
         logger.info(f"开始加载文本文件: {self.url}")
         self.textLoaderThread.start()