move AcceptJson and AcceptLanguage guard in preperation to remove them

1 files changed, 68 insertions, 0 deletions

diff --git a/server/src/helper/accept.rs b/server/src/helper/accept.rs
new file mode 100644
index 0000000..3ac53c8
--- /dev/null
+++ b/server/src/helper/accept.rs
@@ -0,0 +1,68 @@
+/*
+    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
+    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
+    Copyright (C) 2025 metamuffin <metamuffin.org>
+*/
+use rocket::{
+    http::MediaType,
+    outcome::Outcome,
+    request::{self, FromRequest},
+    Request,
+};
+use std::ops::Deref;
+
+#[derive(Debug, Default)]
+pub enum Accept {
+    #[default]
+    Other,
+    Json,
+    Image,
+    Media,
+    Html,
+}
+impl Accept {
+    pub fn from_request_ut(request: &Request) -> Self {
+        if let Some(a) = request.accept() {
+            if a.preferred().exact_eq(&MediaType::JSON) {
+                Accept::Json
+            } else {
+                Accept::Other
+            }
+        } else {
+            Accept::Other
+        }
+    }
+}
+
+pub struct AcceptJson(bool);
+impl Deref for AcceptJson {
+    type Target = bool;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl<'r> FromRequest<'r> for AcceptJson {
+    type Error = ();
+
+    fn from_request<'life0, 'async_trait>(
+        request: &'r Request<'life0>,
+    ) -> ::core::pin::Pin<
+        Box<
+            dyn ::core::future::Future<Output = request::Outcome<Self, Self::Error>>
+                + ::core::marker::Send
+                + 'async_trait,
+        >,
+    >
+    where
+        'r: 'async_trait,
+        'life0: 'async_trait,
+        Self: 'async_trait,
+    {
+        Box::pin(async move {
+            Outcome::Success(AcceptJson(matches!(
+                Accept::from_request_ut(request),
+                Accept::Json
+            )))
+        })
+    }
+}