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

backend/exposition/src/lib.rs

@@ -7,6 +7,7 @@ use actix_web::{get, web, HttpResponse, Responder};
 use actix_web_httpauth::middleware::HttpAuthentication;
 
 pub mod user;
+pub mod video;
 
 #[get("/health")]
 async fn health() -> impl Responder {

backend/exposition/src/video/mod.rs

@@ -0,0 +1 @@
+pub mod video_format_content_type_mapper;

backend/exposition/src/video/video_format_content_type_mapper.rs

@@ -0,0 +1,11 @@
+use surveillant_systeme_domain::video::model::VideoFormat;
+
+pub fn map_to_content_type(video_format: &VideoFormat) -> &'static str {
+    match video_format {
+        VideoFormat::AVI => "video/x-msvideo",
+        VideoFormat::MKV => "video/x-matroska",
+        VideoFormat::MP4 => "video/mp4",
+        VideoFormat::WEBM => "video/webm",
+        VideoFormat::UNKNOWN => "application/octet-stream"
+    }
+}