Initial commit

src/application/dtos/file_dto.rs

@@ -0,0 +1,45 @@
+use serde::Serialize;
+use crate::domain::entities::file::File;
+
+/// DTO for file responses
+#[derive(Debug, Serialize)]
+pub struct FileDto {
+    /// File ID
+    pub id: String,
+    
+    /// File name
+    pub name: String,
+    
+    /// Path to the file (relative)
+    pub path: String,
+    
+    /// Size in bytes
+    pub size: u64,
+    
+    /// MIME type
+    pub mime_type: String,
+    
+    /// Parent folder ID
+    pub folder_id: Option<String>,
+    
+    /// Creation timestamp
+    pub created_at: u64,
+    
+    /// Last modification timestamp
+    pub modified_at: u64,
+}
+
+impl From<File> for FileDto {
+    fn from(file: File) -> Self {
+        Self {
+            id: file.id,
+            name: file.name,
+            path: file.path.to_string_lossy().to_string(),
+            size: file.size,
+            mime_type: file.mime_type,
+            folder_id: file.folder_id,
+            created_at: file.created_at,
+            modified_at: file.modified_at,
+        }
+    }
+}