Servers: Add route for creating channels.

Notifications: Subscribe to guild channels.

src/routes/channels/delete_channel.rs

@@ -108,6 +108,12 @@ pub async fn req(user: User, target: Ref) -> Result<()> {
 
             Ok(())
         }
-        Channel::TextChannel { .. } => unimplemented!()
+        Channel::TextChannel { .. } => {
+            if perm.get_manage_channel() {
+                target.delete().await
+            } else {
+                Err(Error::MissingPermission)
+            }
+        }
     }
 }

src/routes/channels/group_create.rs

@@ -24,6 +24,7 @@ pub struct Data {
 
 #[post("/create", data = "<info>")]
 pub async fn req(user: User, info: Json<Data>) -> Result<JsonValue> {
+    let info = info.into_inner();
     info.validate()
         .map_err(|error| Error::FailedValidation { error })?;
 
@@ -62,12 +63,9 @@ pub async fn req(user: User, info: Json<Data>) -> Result<JsonValue> {
     let id = Ulid::new().to_string();
     let channel = Channel::Group {
         id,
-        nonce: Some(info.nonce.clone()),
-        name: info.name.clone(),
-        description: info
-            .description
-            .clone()
-            .unwrap_or_else(|| "A group.".to_string()),
+        nonce: Some(info.nonce),
+        name: info.name,
+        description: info.description,
         owner: user.id,
         recipients: set.into_iter().collect::<Vec<String>>(),
         icon: None,