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