Servers: Ban and unban users +

ban list.

src/routes/servers/ban_create.rs

@@ -0,0 +1,56 @@
+use crate::database::*;
+use crate::util::result::{Error, Result};
+
+use mongodb::bson::doc;
+use validator::Validate;
+use rocket_contrib::json::Json;
+use serde::{Serialize, Deserialize};
+
+#[derive(Validate, Serialize, Deserialize)]
+pub struct Data {
+    #[validate(length(min = 1, max = 1024))]
+    reason: Option<String>,
+}
+
+#[put("/<server>/bans/<target>", data = "<data>")]
+pub async fn req(user: User, server: Ref, target: Ref, data: Json<Data>) -> Result<()> {
+    let data = data.into_inner();
+    data.validate()
+        .map_err(|error| Error::FailedValidation { error })?;
+    
+    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_user().await?;
+    let mut document = doc! {
+        "_id": {
+            "server": &server.id,
+            "user": &target.id
+        }
+    };
+
+    if let Some(reason) = data.reason {
+        document.insert("reason", reason);
+    }
+
+    get_collection("server_bans")
+        .insert_one(
+            document,
+            None
+        )
+        .await
+        .map_err(|_| Error::DatabaseError {
+            operation: "insert_one",
+            with: "server_ban"
+        })?;
+    
+    server.remove_member(&target.id).await
+}