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use std::collections::HashMap;
use crate::group::{Group, GroupId};
use crate::scribble_group::ScribbleGroup;
use crate::server::{UserId, GameClient, GameServerError};
pub struct Lobby {
groups: HashMap<GroupId, Box<Group>>,
}
#[allow(dead_code)]
impl Lobby {
pub fn new() -> Self {
Self {
groups: HashMap::new(),
}
}
fn generate_group(group_type: &str, id: GroupId, name: &str) -> Option<Box<Group>> {
match group_type {
"scribble" => {
Some(Box::new(ScribbleGroup::new(id, name.to_string())))
},
_ => None,
}
}
pub fn add_group(&mut self, group: Box<Group>) {
self.groups.insert(group.id(), group);
}
pub fn add_client(&mut self, group_type: &str, group_id: GroupId, group_name: &str,
user_id: UserId, client: GameClient) -> Result<(), GameServerError> {
if !self.groups.contains_key(&group_id) {
let mut group = match Self::generate_group(group_type, group_id, group_name) {
Some(x) => x,
_ => return Err(GameServerError::GroupCreationError(format!("failed to generate '{}' group", group_type))),
};
group.run();
self.groups.insert(group_id, group);
}
let group = self.groups.get_mut(&group_id).unwrap();
group.add_client(user_id, client)
}
pub fn iter<'b>(&'b self) -> GroupIterator<'b> {
GroupIterator { groups: self.groups.values() }
}
}
#[allow(dead_code)]
pub struct GroupIterator<'a> {
groups: std::collections::hash_map::Values<'a, GroupId, Box<Group>>
}
impl<'a> Iterator for GroupIterator<'a> {
type Item = &'a Box<Group>;
fn next(&mut self) -> Option<Self::Item> {
self.groups.next()
}
}
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