Invite bot to server / group for #8.

src/routes/channels/group_add_member.rs

@@ -1,6 +1,5 @@
 use crate::util::result::{Error, Result};
-use crate::util::variables::MAX_GROUP_SIZE;
-use crate::{database::*, notifications::events::ClientboundNotification};
+use crate::database::*;
 
 use mongodb::bson::doc;
 
@@ -20,51 +19,5 @@ pub async fn req(user: User, target: Ref, member: Ref) -> Result<()> {
         Err(Error::MissingPermission)?
     }
 
-    if let Channel::Group { id, recipients, .. } = &channel {
-        if recipients.len() >= *MAX_GROUP_SIZE {
-            Err(Error::GroupTooLarge {
-                max: *MAX_GROUP_SIZE,
-            })?
-        }
-
-        if recipients.iter().find(|x| *x == &member.id).is_some() {
-            Err(Error::AlreadyInGroup)?
-        }
-
-        get_collection("channels")
-            .update_one(
-                doc! {
-                    "_id": &id
-                },
-                doc! {
-                    "$push": {
-                        "recipients": &member.id
-                    }
-                },
-                None,
-            )
-            .await
-            .map_err(|_| Error::DatabaseError {
-                operation: "update_one",
-                with: "channel",
-            })?;
-
-        ClientboundNotification::ChannelGroupJoin {
-            id: id.clone(),
-            user: member.id.clone(),
-        }
-        .publish(id.clone());
-
-        Content::SystemMessage(SystemMessage::UserAdded {
-            id: member.id,
-            by: user.id,
-        })
-        .send_as_system(&channel)
-        .await
-        .ok();
-
-        Ok(())
-    } else {
-        Err(Error::InvalidOperation)
-    }
+    channel.add_to_group(member.id, user.id).await
 }