D2094.diff
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	diff --git a/Cargo.toml b/Cargo.toml
	--- a/Cargo.toml
	+++ b/Cargo.toml
	@@ -1,6 +1,6 @@
	[package]
	name = "limiting-factor"
	-version = "0.6.0"
	+version = "0.7.0"
	authors = [
	"Sébastien Santoro <dereckson@espace-win.org>",
	]
	diff --git a/src/api/replies.rs b/src/api/replies.rs
	--- a/src/api/replies.rs
	+++ b/src/api/replies.rs
	@@ -135,6 +135,33 @@
	}

	/* -------------------------------------------------------------
	+ API Delete Response
	+
	+ :: Implementation for QueryResult (Diesel ORM)
	+ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
	+
	+#[cfg(feature = "pgsql")]
	+/// This trait allows to consume an object into an HTTP response.
	+///
	+/// This response is a odd case for DELETE queries, which return
	+/// a scalar with the rows deleted count value, or an error.
	+pub trait ApiDeleteResponse<T> {
	+ /// Consumes the value and creates a JSON or a Status result response.
	+ fn into_delete_json_response(self) -> ApiJsonResponse<()>;
	+}
	+
	+#[cfg(feature = "pgsql")]
	+impl ApiDeleteResponse<usize> for QueryResult<usize> {
	+ fn into_delete_json_response(self) -> ApiJsonResponse<()> {
	+ match self {
	+ Ok(0) => Err(Status::NotFound),
	+ Ok(1) => Ok(Json(())),
	+ _ => Err(Status::BadRequest),
	+ }
	+ }
	+}
	+
	+/* -------------------------------------------------------------
	Failure response

	:: Implementation for diesel::result::Error