Servers: Ban and unban users +

ban list.

src/routes/servers/ban_remove.rs

@@ -0,0 +1,35 @@
+use crate::database::*;
+use crate::util::result::{Error, Result};
+
+use mongodb::bson::doc;
+
+#[delete("/<server>/bans/<target>")]
+pub async fn req(user: User, server: Ref, target: Ref) -> Result<()> {    
+    let server = server.fetch_server().await?;
+
+    let perm = permissions::PermissionCalculator::new(&user)
+        .with_server(&server)
+        .for_server()
+        .await?;
+    
+    if !perm.get_ban_members() {
+        Err(Error::MissingPermission)?
+    }
+
+    let target = target.fetch_ban(&server.id).await?;
+    get_collection("server_bans")
+        .delete_one(
+            doc! {
+                "_id.server": &server.id,
+                "_id.user": &target.id.user
+            },
+            None
+        )
+        .await
+        .map_err(|_| Error::DatabaseError {
+            operation: "delete_one",
+            with: "server_ban"
+        })?;
+    
+    Ok(())
+}