handle fs metadata.created() not present

backend/src/lib/domain/warren/models/file/mod.rs

@@ -12,7 +12,7 @@ pub struct File {
     name: FileName,
     file_type: FileType,
     mime_type: Option<FileMimeType>,
-    created_at: u64,
+    created_at: Option<u64>,
 }
 
 impl File {
@@ -20,7 +20,7 @@ impl File {
         name: FileName,
         file_type: FileType,
         mime_type: Option<FileMimeType>,
-        created_at: u64,
+        created_at: Option<u64>,
     ) -> Self {
         Self {
             name,
@@ -42,7 +42,7 @@ impl File {
         self.mime_type.as_ref()
     }
 
-    pub fn created_at(&self) -> u64 {
+    pub fn created_at(&self) -> Option<u64> {
         self.created_at
     }
 }

backend/src/lib/inbound/http/handlers/warrens/list_warren_files.rs

@@ -66,7 +66,7 @@ pub struct WarrenFileElement {
     name: String,
     file_type: FileType,
     mime_type: Option<String>,
-    created_at: u64,
+    created_at: Option<u64>,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize)]

backend/src/lib/outbound/file_system.rs

@@ -73,7 +73,11 @@ impl FileSystem {
                 }
             };
             let metadata = entry.metadata().await?;
-            let created_at = metadata.created()?.duration_since(UNIX_EPOCH)?.as_secs();
+            let created_at = metadata
+                .created()
+                .ok()
+                .map(|c| c.duration_since(UNIX_EPOCH).ok().map(|c| c.as_secs()))
+                .flatten();
 
             let mime_type = match file_type {
                 FileType::File => FileMimeType::from_name(&name),