Channel subscription, message sending, channel delete.

src/routes/channels/delete_channel.rs

@@ -0,0 +1,37 @@
+use crate::database::*;
+use crate::util::result::{Error, Result};
+
+use mongodb::bson::doc;
+
+#[delete("/<target>")]
+pub async fn req(user: User, target: Ref) -> Result<()> {
+    let target = target.fetch_channel().await?;
+
+    let perm = permissions::channel::calculate(&user, &target).await;
+    if !perm.get_view() {
+        Err(Error::LabelMe)?
+    }
+
+    match target {
+        Channel::SavedMessages { .. } => Err(Error::NoEffect),
+        Channel::DirectMessage { .. } => {
+            get_collection("channels")
+                .update_one(
+                    doc! {
+                        "_id": target.id()
+                    },
+                    doc! {
+                        "$set": {
+                            "active": false
+                        }
+                    },
+                    None
+                )
+                .await
+                .map_err(|_| Error::DatabaseError { operation: "update_one", with: "channel" })?;
+            
+            Ok(())
+        },
+        _ => unimplemented!()
+    }
+}

src/routes/channels/mod.rs

@@ -1,9 +1,11 @@
 use rocket::Route;
 
 mod fetch_channel;
+mod delete_channel;
 
 pub fn routes() -> Vec<Route> {
     routes![
-        fetch_channel::req
+        fetch_channel::req,
+        delete_channel::req
     ]
 }