1.3.21.3.2

native/sync-android/src/lib.rs

@@ -0,0 +1,106 @@
+#![cfg(target_os = "android")]
+
+//! Android 平台适配层
+//!
+//! 提供相册同步辅助功能：
+//! - 文件类型过滤（仅图片/视频）
+//! - 路径验证
+//!
+//! 实际的扫描由 Dart 侧通过平台通道完成，
+//! 上传和状态管理由 sync-core 的 sync_album 处理
+
+use std::path::Path;
+
+/// 图片扩展名
+const IMAGE_EXTENSIONS: &[&str] = &[
+    "jpg", "jpeg", "png", "gif", "bmp", "webp", "heic", "heif", "raw", "tiff", "svg",
+];
+
+/// 视频扩展名
+const VIDEO_EXTENSIONS: &[&str] = &[
+    "mp4", "mov", "avi", "mkv", "wmv", "flv", "3gp", "webm",
+];
+
+pub struct AndroidAdapter;
+
+impl Default for AndroidAdapter {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl AndroidAdapter {
+    pub fn new() -> Self {
+        Self
+    }
+
+    /// 判断文件是否为媒体文件（图片或视频）
+    pub fn is_media_file(path: &str) -> bool {
+        let ext = Path::new(path)
+            .extension()
+            .and_then(|e| e.to_str())
+            .map(|e| e.to_lowercase())
+            .unwrap_or_default();
+
+        IMAGE_EXTENSIONS.contains(&ext.as_str()) || VIDEO_EXTENSIONS.contains(&ext.as_str())
+    }
+
+    /// 判断文件是否为图片
+    pub fn is_image_file(path: &str) -> bool {
+        let ext = Path::new(path)
+            .extension()
+            .and_then(|e| e.to_str())
+            .map(|e| e.to_lowercase())
+            .unwrap_or_default();
+
+        IMAGE_EXTENSIONS.contains(&ext.as_str())
+    }
+
+    /// 判断文件是否为视频
+    pub fn is_video_file(path: &str) -> bool {
+        let ext = Path::new(path)
+            .extension()
+            .and_then(|e| e.to_str())
+            .map(|e| e.to_lowercase())
+            .unwrap_or_default();
+
+        VIDEO_EXTENSIONS.contains(&ext.as_str())
+    }
+
+    /// 从路径列表中过滤出媒体文件
+    pub fn filter_media_files(paths: &[String]) -> Vec<String> {
+        paths.iter()
+            .filter(|p| Self::is_media_file(p))
+            .cloned()
+            .collect()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_is_media_file() {
+        assert!(AndroidAdapter::is_image_file("/sdcard/DCIM/IMG_001.jpg"));
+        assert!(AndroidAdapter::is_image_file("/sdcard/DCIM/IMG_001.JPEG"));
+        assert!(AndroidAdapter::is_video_file("/sdcard/DCIM/VID_001.mp4"));
+        assert!(!AndroidAdapter::is_media_file("/sdcard/Download/doc.pdf"));
+        assert!(AndroidAdapter::is_media_file("/sdcard/Pictures/photo.webp"));
+        assert!(AndroidAdapter::is_media_file("/sdcard/DCIM/photo.heic"));
+    }
+
+    #[test]
+    fn test_filter_media_files() {
+        let paths = vec![
+            "/sdcard/DCIM/IMG_001.jpg".to_string(),
+            "/sdcard/Download/doc.pdf".to_string(),
+            "/sdcard/DCIM/VID_001.mp4".to_string(),
+            "/sdcard/Music/song.mp3".to_string(),
+        ];
+        let filtered = AndroidAdapter::filter_media_files(&paths);
+        assert_eq!(filtered.len(), 2);
+        assert!(filtered.contains(&"/sdcard/DCIM/IMG_001.jpg".to_string()));
+        assert!(filtered.contains(&"/sdcard/DCIM/VID_001.mp4".to_string()));
+    }
+}