WIP create a video type inference method and a mapping into a content type.

backend/application/src/video/api.rs

@@ -67,12 +67,50 @@ fn sanitize_and_resolve_path(video_path: &str) -> Result<std::path::PathBuf, Sta
     Ok(full_path)
 }
 
-/// Determine Content-Type based on file extension
+/// Determine Content-Type by reading file headers (magic numbers)
 fn get_content_type(path: &Path) -> &'static str {
+    use std::io::Read;
+    
+    // Read first few bytes to detect magic numbers
+    let mut file = match File::open(path) {
+        Ok(f) => f,
+        Err(_) => return "application/octet-stream",
+    };
+    
+    let mut buffer = [0u8; 16]; // Read enough bytes to detect common formats
+    let bytes_read = match file.read(&mut buffer) {
+        Ok(n) if n > 0 => n,
+        _ => return "application/octet-stream",
+    };
+    
+    // Detect AVI format (RIFF header with AVI)
+    if bytes_read >= 12 && buffer[0..4] == [82, 73, 70, 70] && buffer[8..12] == [65, 86, 73, 32] {
+        return "video/x-msvideo";
+    }
+    
+    // Detect MKV format (EB ML header)
+    if bytes_read >= 4 && buffer[0..4] == [0x1A, 0x45, 0xDF, 0xA3] {
+        return "video/x-matroska"; // Proper MIME type for MKV
+    }
+    
+    // Detect MP4/MOV format (ftyp box)
+    if bytes_read >= 8 && buffer[4..8] == [102, 116, 121, 112] {
+        return "video/mp4";
+    }
+    
+    // Detect WebM format (EB ML header like MKV but with different signature)
+    if bytes_read >= 8 && buffer[0..4] == [0x1A, 0x45, 0xDF, 0xA3] {
+        // Check for WebM signature at offset 4
+        if bytes_read >= 12 && buffer[4..8] == [119, 101, 98, 109] {
+            return "video/webm";
+        }
+    }
+    
+    // Fallback to extension-based detection for unknown formats
     match path.extension().and_then(|ext| ext.to_str()) {
-        Some("avi") => "video/x-msvideo",
-        Some("mkv") | Some("mp4") | Some("mov") | Some("webm") => "video/mp4", // Generic video type
-        _ => "application/octet-stream", // Fallback for unknown types
+        Some("mp4") | Some("mov") => "video/mp4",
+        Some("webm") => "video/webm",
+        _ => "application/octet-stream",
     }
 }
 

backend/application/src/video/mod.rs

@@ -1 +1,2 @@
-pub mod service;
+pub mod service;
+//pub mod api;